diff --git a/.eslintrc b/.eslintrc
index 69c945431e..a3bc6debda 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -28,7 +28,6 @@
         "no-new": 2,
         "no-octal-escape": 2,
         "no-octal": 2,
-        "no-param-reassign": 2,
         "no-process-env": 2,
         "no-proto": 2,
         "no-implied-eval": 2,
diff --git a/Gruntfile.js b/Gruntfile.js
index 7d8ea5a997..40752c9d90 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -130,7 +130,7 @@ module.exports = function(grunt) {
 
   grunt.registerTask('test:prepare:translations', function() {
     require('babel/register');
-    var i18n  = require('./website/src/libs/i18n'),
+    var i18n  = require('./website/src/libs/api-v3/i18n'),
         fs    = require('fs');
     fs.writeFileSync('test/spec/mocks/translations.js',
       "if(!window.env) window.env = {};\n" +
diff --git a/package.json b/package.json
index 81c577c43b..f13295e9e6 100644
--- a/package.json
+++ b/package.json
@@ -12,9 +12,9 @@
     "babel-core": "^5.8.34",
     "babelify": "^6.x.x",
     "body-parser": "^1.14.1",
-    "compression": "^1.6.0",
     "bower": "~1.3.12",
     "browserify": "~12.0.1",
+    "compression": "^1.6.0",
     "connect-ratelimit": "0.0.7",
     "cookie-parser": "^1.4.0",
     "cookie-session": "^1.2.0",
@@ -63,7 +63,7 @@
     "nconf": "~0.8.2",
     "newrelic": "~1.23.0",
     "nib": "~1.0.1",
-    "nodemailer": "~0.5.2",
+    "nodemailer": "^1.9.0",
     "pageres": "^1.0.1",
     "passport": "~0.2.1",
     "passport-facebook": "2.0.0",
diff --git a/tasks/gulp-console.js b/tasks/gulp-console.js
index 46f4ea44ea..96af26a27a 100644
--- a/tasks/gulp-console.js
+++ b/tasks/gulp-console.js
@@ -2,7 +2,6 @@ import mongoose from 'mongoose';
 import autoinc  from 'mongoose-id-autoinc';
 import logger  from '../website/src/libs/api-v3/logger';
 import nconf    from 'nconf';
-import utils    from '../website/src/libs/utils';
 import repl     from 'repl';
 import gulp     from 'gulp';
 
@@ -19,8 +18,6 @@ let improveRepl = (context) => {
     process.stdout.write('\u001B[2J\u001B[0;0f');
   }});
 
-  utils.setupConfig();
-
   context.Challenge = require('../website/src/models/challenge').model;
   context.Group     = require('../website/src/models/group').model;
   context.User      = require('../website/src/models/user').model;
diff --git a/test/api/v3/unit/libs/buildManifest.test.js b/test/api/v3/unit/libs/buildManifest.test.js
new file mode 100644
index 0000000000..d03e19c9eb
--- /dev/null
+++ b/test/api/v3/unit/libs/buildManifest.test.js
@@ -0,0 +1,18 @@
+import {
+  getManifestFiles,
+} from '../../../../../website/src/libs/api-v3/buildManifest';
+
+describe('Build Manifest', () => {
+  describe('getManifestFiles', () => {
+    it('returns an html string', () => {
+      let htmlCode = getManifestFiles('app');
+
+      expect(htmlCode.startsWith('<script') || htmlCode.startsWith('<link')).to.be.true;
+    });
+
+    it('throws an error in case the page does not exist', () => {
+      let getManifestFilesFn = () => { getManifestFiles('strange name here') };
+      expect(getManifestFilesFn).to.throw(Error);
+    });
+  });
+});
diff --git a/test/api/v3/unit/libs/email.test.js b/test/api/v3/unit/libs/email.test.js
new file mode 100644
index 0000000000..353ac0ad09
--- /dev/null
+++ b/test/api/v3/unit/libs/email.test.js
@@ -0,0 +1,217 @@
+import request from 'request';
+import nconf from 'nconf';
+import nodemailer from 'nodemailer';
+import Q from 'q';
+import logger from '../../../../../website/src/libs/api-v3/logger';
+
+function getUser () {
+  return {
+    _id: 'random _id',
+    auth: {
+      local: {
+        username: 'username',
+        email: 'email@email',
+      },
+      facebook: {
+        emails: [{
+          value: 'email@facebook'
+        }],
+        displayName: 'fb display name',
+      }
+    },
+    profile: {
+      name: 'profile name',
+    },
+    preferences: {
+      emailNotifications: {
+        unsubscribeFromAll: false
+      },
+    },
+  };
+};
+
+describe('emails', () => {
+  let pathToEmailLib = '../../../../../website/src/libs/api-v3/email';
+
+  beforeEach(() => {
+    delete require.cache[require.resolve(pathToEmailLib)];
+  });
+
+  describe('sendEmail', () => {
+    it('can send an email using the default transport', () => {
+      let sendMailSpy = sandbox.stub().returns(Q.defer().promise);
+
+      sandbox.stub(nodemailer, 'createTransport').returns({
+        sendMail: sendMailSpy,
+      });
+
+      let attachEmail = require(pathToEmailLib);
+      attachEmail.send();
+      expect(sendMailSpy).to.be.calledOnce;
+    });
+
+    it('logs errors', (done) => {
+      let deferred = Q.defer();
+      let sendMailSpy = sandbox.stub().returns(deferred.promise);
+
+      sandbox.stub(nodemailer, 'createTransport').returns({
+        sendMail: sendMailSpy,
+      });
+      sandbox.stub(logger, 'error');
+
+      let attachEmail = require(pathToEmailLib);
+      attachEmail.send();
+      expect(sendMailSpy).to.be.calledOnce;
+      deferred.reject();
+      deferred.promise.catch((err) => {
+        expect(logger.error).to.be.calledOnce;
+        done();
+      });
+    });
+  });
+
+  describe('getUserInfo', () => {
+    it('returns an empty object if no field request', () => {
+      let attachEmail = require(pathToEmailLib);
+      let getUserInfo = attachEmail.getUserInfo;
+      expect(getUserInfo({}, [])).to.be.empty;
+    });
+
+    it('returns correct user data', () => {
+      let attachEmail = require(pathToEmailLib);
+      let getUserInfo = attachEmail.getUserInfo;
+      let user = getUser();
+      let data = getUserInfo(user, ['name', 'email', '_id', 'canSend']);
+
+      expect(data).to.have.property('name', user.profile.name);
+      expect(data).to.have.property('email', user.auth.local.email);
+      expect(data).to.have.property('_id', user._id);
+      expect(data).to.have.property('canSend', true);
+    });
+
+    it('returns correct user data [facebook users]', () => {
+      let attachEmail = require(pathToEmailLib);
+      let getUserInfo = attachEmail.getUserInfo;
+      let user = getUser();
+      delete user.profile['name'];
+      delete user.auth['local'];
+
+      let data = getUserInfo(user, ['name', 'email', '_id', 'canSend']);
+      
+      expect(data).to.have.property('name', user.auth.facebook.displayName);
+      expect(data).to.have.property('email', user.auth.facebook.emails[0].value);
+      expect(data).to.have.property('_id', user._id);
+      expect(data).to.have.property('canSend', true);
+    });
+
+    it('has fallbacks for missing data', () => {
+      let attachEmail = require(pathToEmailLib);
+      let getUserInfo = attachEmail.getUserInfo;
+      let user = getUser();
+      delete user.profile['name'];
+      delete user.auth.local['email']
+      delete user.auth['facebook'];
+
+      let data = getUserInfo(user, ['name', 'email', '_id', 'canSend']);
+      
+      expect(data).to.have.property('name', user.auth.local.username);
+      expect(data).not.to.have.property('email');
+      expect(data).to.have.property('_id', user._id);
+      expect(data).to.have.property('canSend', true);
+    });
+  });
+
+  describe('sendTxnEmail', () => {
+    beforeEach(() => {
+      sandbox.stub(request, 'post');
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('can send a txn email to one recipient', () => {
+      sandbox.stub(nconf, 'get').withArgs('IS_PROD').returns(true);
+      let attachEmail = require(pathToEmailLib);
+      let sendTxnEmail = attachEmail.sendTxn;
+      let emailType = 'an email type';
+      let mailingInfo = {
+        name: 'my name',
+        email: 'my@email',
+      };
+
+      sendTxnEmail(mailingInfo, emailType);
+      expect(request.post).to.be.calledWith(sinon.match({
+        json: {
+          data: {
+            emailType: sinon.match.same(emailType),
+            to: sinon.match((value) => {
+              return Array.isArray(value) && value[0].name === mailingInfo.name;
+            }, 'matches mailing info array'),
+          }
+        }
+      }));
+    });
+
+    it('does not send email if address is missing', () => {
+      sandbox.stub(nconf, 'get').withArgs('IS_PROD').returns(true);
+      let attachEmail = require(pathToEmailLib);
+      let sendTxnEmail = attachEmail.sendTxn;
+      let emailType = 'an email type';
+      let mailingInfo = {
+        name: 'my name',
+        //email: 'my@email',
+      };
+
+      sendTxnEmail(mailingInfo, emailType);
+      expect(request.post).not.to.be.called;
+    });
+
+    it('uses getUserInfo in case of user data', () => {
+      sandbox.stub(nconf, 'get').withArgs('IS_PROD').returns(true);
+      let attachEmail = require(pathToEmailLib);
+      let sendTxnEmail = attachEmail.sendTxn;
+      let emailType = 'an email type';
+      let mailingInfo = getUser();
+
+      sendTxnEmail(mailingInfo, emailType);
+      expect(request.post).to.be.calledWith(sinon.match({
+        json: {
+          data: {
+            emailType: sinon.match.same(emailType),
+            to: sinon.match(val => val[0]._id === mailingInfo._id),
+          }
+        }
+      }));
+    });
+
+    it('sends email with some default variables', () => {
+      sandbox.stub(nconf, 'get').withArgs('IS_PROD').returns(true);
+      let attachEmail = require(pathToEmailLib);
+      let sendTxnEmail = attachEmail.sendTxn;
+      let emailType = 'an email type';
+      let mailingInfo = {
+        name: 'my name',
+        email: 'my@email',
+      };
+      let variables = [1,2,3];
+
+      sendTxnEmail(mailingInfo, emailType, variables);
+      expect(request.post).to.be.calledWith(sinon.match({
+        json: {
+          data: {
+            variables: sinon.match((value) => {
+              return value[0].name === 'BASE_URL';
+            }, 'matches variables'),
+            personalVariables: sinon.match((value) => {
+              return (value[0].rcpt === mailingInfo.email 
+                && value[0].vars[0].name === 'RECIPIENT_NAME' 
+                && value[0].vars[1].name === 'RECIPIENT_UNSUB_URL'
+              );
+            }, 'matches personal variables'),
+          }
+        }
+      }));
+    });
+  });
+});
diff --git a/test/api/v3/unit/libs/encryption.test.js b/test/api/v3/unit/libs/encryption.test.js
new file mode 100644
index 0000000000..dcab9bffd3
--- /dev/null
+++ b/test/api/v3/unit/libs/encryption.test.js
@@ -0,0 +1,15 @@
+import { 
+  encrypt,
+  decrypt,
+} from '../../../../../website/src/libs/api-v3/encryption';
+
+describe('encryption', () => {
+  it('can encrypt and decrypt', () => {
+    let data = 'some secret text';
+    let encrypted = encrypt(data);
+    let decrypted = decrypt(encrypted);
+
+    expect(encrypted).not.to.equal(data);
+    expect(data).to.equal(decrypted);
+  });
+});
diff --git a/test/api/v3/unit/libs/i18n.test.js b/test/api/v3/unit/libs/i18n.test.js
new file mode 100644
index 0000000000..5bafc201dc
--- /dev/null
+++ b/test/api/v3/unit/libs/i18n.test.js
@@ -0,0 +1,46 @@
+import {
+  translations,
+  localePath,
+  langCodes,
+} from '../../../../../website/src/libs/api-v3/i18n';
+import fs from 'fs';
+import path from 'path';
+
+describe('i18n', () => {
+  let listOfLocales = [];
+
+  before((done) => {
+    fs.readdir(localePath, (err, files) => {
+      if (err) return done(err);
+
+      files.forEach((file) => {
+        if (fs.statSync(path.join(localePath, file)).isDirectory() === false) return;
+        listOfLocales.push(file);
+      });
+
+      listOfLocales = listOfLocales.sort();
+      done();
+    });
+  });
+
+  describe('translations', () => {
+    it('includes a translation object for each locale', () => {
+      listOfLocales.forEach((locale) => {
+        expect(translations[locale]).to.be.an('object');
+      });
+    });
+  });
+
+  describe('localePath', () => {
+    it('is an absolute path to common/locales/', () => {
+      expect(localePath).to.match(/.*\/common\/locales\//);
+      expect(localePath)
+    });
+  });
+
+  describe('langCodes', () => {
+    it('is a list of all the language codes', () => {
+      expect(langCodes.sort()).to.eql(listOfLocales);
+    });
+  });
+});
diff --git a/test/api/v3/unit/middlewares/getUserLanguage.test.js b/test/api/v3/unit/middlewares/getUserLanguage.test.js
new file mode 100644
index 0000000000..2cbf1d2c87
--- /dev/null
+++ b/test/api/v3/unit/middlewares/getUserLanguage.test.js
@@ -0,0 +1,241 @@
+import {
+  generateRes,
+  generateReq,
+  generateNext,
+} from '../../../../helpers/api-unit.helper';
+import getUserLanguage from '../../../../../website/src/middlewares/api-v3/getUserLanguage';
+import Q from 'q';
+import { model as User } from '../../../../../website/src/models/user';
+import { translations } from '../../../../../website/src/libs/api-v3/i18n';
+import accepts from 'accepts';
+
+describe('getUserLanguage', () => {
+  let res, req, next;
+
+  beforeEach(() => {
+    res = generateRes();
+    req = generateReq();
+    next = generateNext();
+  });
+
+  context('query parameter', () => {
+    it('uses the language in the query parameter if avalaible', () => {
+      req.query = {
+        lang: 'es',
+      };
+
+      getUserLanguage(req, res, next);
+      expect(req.language).to.equal('es');
+    });
+
+    it('falls back to english if the query parameter language does not exists', () => {
+      req.query = {
+        lang: 'bla',
+      };
+
+      getUserLanguage(req, res, next);
+      expect(req.language).to.equal('en');
+    });
+
+    it('uses query even if the request includes a user and session', () => {
+      req.query = {
+        lang: 'es',
+      };
+
+      req.locals = {
+        user: {
+          preferences: {
+            language: 'it',
+          },
+        },
+      };
+
+      req.session = {
+        userId: 123
+      };
+
+      getUserLanguage(req, res, next);
+      expect(req.language).to.equal('es');
+    });
+  });
+
+  context('authorized request', () => {
+    it('uses the user preferred language if avalaible', () => {
+      req.locals = {
+        user: {
+          preferences: {
+            language: 'it',
+          },
+        },
+      };
+
+      getUserLanguage(req, res, next);
+      expect(req.language).to.equal('it');
+    });
+
+    it('falls back to english if the user preferred language is not avalaible', (done) => {
+      req.locals = {
+        user: {
+          preferences: {
+            language: 'bla',
+          },
+        },
+      };
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('en');
+        done();
+      });
+    });
+
+    it('uses the user preferred language even if a session is included in request', () => {
+      req.locals = {
+        user: {
+          preferences: {
+            language: 'it',
+          },
+        },
+      };
+
+      req.session = {
+        userId: 123
+      };
+
+      getUserLanguage(req, res, next);
+      expect(req.language).to.equal('it');
+    });
+  });
+
+  context('request with session', () => {
+    it('uses the user preferred language if avalaible', (done) => {
+      sandbox.stub(User, 'findOne').returns({
+        exec() {
+          return Q.resolve({
+            preferences: {
+              language: 'it',
+            }
+          });
+        }
+      });
+
+      req.session = {
+        userId: 123
+      };
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('it');
+        done();
+      });
+    });
+  });
+
+  context('browser fallback', () => {
+    it('uses browser specificed language', (done) => {
+      req.headers['accept-language'] = 'pt';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('pt');
+        done();
+      });
+    });
+
+    it('uses first language in series if browser specifies multiple', (done) => {
+      req.headers['accept-language'] = 'he, pt, it';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('he');
+        done();
+      });
+    });
+
+    it('skips invalid lanaguages and uses first language in series if browser specifies multiple', (done) => {
+      req.headers['accept-language'] = 'blah, he, pt, it';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('he');
+        done();
+      });
+    });
+
+    it('uses normal version of language if specialized locale is passed in', (done) => {
+      req.headers['accept-language'] = 'fr-CA';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('fr');
+        done();
+      });
+    });
+
+    it('uses normal version of language if specialized locale is passed in', (done) => {
+      req.headers['accept-language'] = 'fr-CA';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('fr');
+        done();
+      });
+    });
+
+    it('uses es if es is passed in', (done) => {
+      req.headers['accept-language'] = 'es';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('es');
+        done();
+      });
+    });
+
+    it('uses es_419 if applicable es-languages are passed in', (done) => {
+      req.headers['accept-language'] = 'es-mx';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('es_419');
+        done();
+      });
+    });
+
+    it('uses es_419 if multiple es languages are passed in', (done) => {
+      req.headers['accept-language'] = 'es-GT, es-MX, es-CR';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('es_419');
+        done();
+      });
+    });
+
+    it('zh', (done) => {
+      req.headers['accept-language'] = 'zh-TW';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('zh_TW');
+        done();
+      });
+    });
+
+    it('uses english if browser specified language is not compatible', (done) => {
+      req.headers['accept-language'] = 'blah';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('en');
+        done();
+      });
+    });
+
+    it('uses english if browser does not specify', (done) => {
+      req.headers['accept-language'] = '';
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('en');
+        done();
+      });
+    });
+
+    it('uses english if browser does not supply an accept-language header', (done) => {
+      delete req.headers['accept-language'];
+
+      getUserLanguage(req, res, () => {
+        expect(req.language).to.equal('en');
+        done();
+      });
+    });
+  });
+});
diff --git a/test/common/algos.mocha.coffee b/test/common/algos.mocha.coffee
new file mode 100644
index 0000000000..e914ab9194
--- /dev/null
+++ b/test/common/algos.mocha.coffee
@@ -0,0 +1,925 @@
+_ = require 'lodash'
+expect = require 'expect.js'
+sinon = require 'sinon'
+moment = require 'moment'
+shared = require '../../common/script/index.js'
+shared.i18n.translations = require('../../website/src/libs/api-v2/i18n.js').translations
+test_helper = require './test_helper'
+test_helper.addCustomMatchers()
+$w = (s)->s.split(' ')
+
+### Helper Functions ####
+newUser = (addTasks=true)->
+  buffs = {per:0, int:0, con:0, str:0, stealth: 0, streaks: false}
+  user =
+    auth:
+      timestamps: {}
+    stats: {str:1, con:1, per:1, int:1, mp: 32, class: 'warrior', buffs: buffs}
+    items:
+      lastDrop:
+        count: 0
+      hatchingPotions: {}
+      eggs: {}
+      food: {}
+      gear:
+        equipped: {}
+        costume: {}
+        owned: {}
+      quests: {}
+    party:
+      quest:
+        progress:
+          down: 0
+    preferences: {
+      autoEquip: true
+    }
+    dailys: []
+    todos: []
+    rewards: []
+    flags: {}
+    achievements:
+      ultimateGearSets: {}
+    contributor:
+      level: 2
+    _tmp: {}
+
+  shared.wrap(user)
+  user.ops.reset(null, ->)
+  if addTasks
+    _.each ['habit', 'todo', 'daily'], (task)->
+      user.ops.addTask {body: {type: task, id: shared.uuid()}}
+  user
+
+rewrapUser = (user)->
+  user._wrapped = false
+  shared.wrap(user)
+  user
+
+expectStrings = (obj, paths) ->
+  _.each paths, (path) -> expect(obj[path]).to.be.ok()
+
+# options.daysAgo: days ago when the last cron was executed
+# cronAfterStart: moves the lastCron to be after the dayStart.
+#  This way the daysAgo works as expected if the test case
+#  makes the assumption that the lastCron was after dayStart.
+beforeAfter = (options={}) ->
+  user = newUser()
+  [before, after] = [user, _.cloneDeep(user)]
+  # avoid closure on the original user
+  rewrapUser(after)
+  before.preferences.dayStart = after.preferences.dayStart = options.dayStart if options.dayStart
+  before.preferences.timezoneOffset = after.preferences.timezoneOffset = (options.timezoneOffset or moment().zone())
+  if options.limitOne
+    before["#{options.limitOne}s"] = [before["#{options.limitOne}s"][0]]
+    after["#{options.limitOne}s"] = [after["#{options.limitOne}s"][0]]
+  lastCron = moment(options.now || +new Date).subtract( {days:options.daysAgo} ) if options.daysAgo
+  lastCron.add( {hours:options.dayStart, minutes:1} ) if options.daysAgo and options.cronAfterStart
+  lastCron = +lastCron if options.daysAgo
+  _.each [before,after], (obj) ->
+    obj.lastCron = lastCron if options.daysAgo
+  {before:before, after:after}
+#TODO calculate actual points
+
+expectLostPoints = (before, after, taskType) ->
+  if taskType in ['daily','habit']
+    expect(after.stats.hp).to.be.lessThan before.stats.hp
+    expect(after["#{taskType}s"][0].history).to.have.length(1)
+  else expect(after.history.todos).to.have.length(1)
+  expect(after).toHaveExp 0
+  expect(after).toHaveGP 0
+  expect(after["#{taskType}s"][0].value).to.be.lessThan before["#{taskType}s"][0].value
+
+expectGainedPoints = (before, after, taskType) ->
+  expect(after.stats.hp).to.be 50
+  expect(after.stats.exp).to.be.greaterThan before.stats.exp
+  expect(after.stats.gp).to.be.greaterThan before.stats.gp
+  expect(after["#{taskType}s"][0].value).to.be.greaterThan before["#{taskType}s"][0].value
+  expect(after["#{taskType}s"][0].history).to.have.length(1) if taskType is 'habit'
+  # daily & todo histories handled on cron
+
+expectNoChange = (before,after) ->
+  _.each $w('stats items gear dailys todos rewards preferences'), (attr)->
+    expect(after[attr]).to.eql before[attr]
+
+expectClosePoints = (before, after, taskType) ->
+  expect( Math.abs(after.stats.exp - before.stats.exp) ).to.be.lessThan 0.0001
+  expect( Math.abs(after.stats.gp - before.stats.gp) ).to.be.lessThan 0.0001
+  expect( Math.abs(after["#{taskType}s"][0].value - before["#{taskType}s"][0].value) ).to.be.lessThan 0.0001
+
+expectDayResetNoDamage = (b,a) ->
+  [before,after] = [_.cloneDeep(b), _.cloneDeep(a)]
+  _.each after.dailys, (task,i) ->
+    expect(task.completed).to.be false
+    expect(before.dailys[i].value).to.be task.value
+    expect(before.dailys[i].streak).to.be task.streak
+    expect(task.history).to.have.length(1)
+  _.each after.todos, (task,i) ->
+    expect(task.completed).to.be false
+    expect(before.todos[i].value).to.be.greaterThan task.value
+  expect(after.history.todos).to.have.length(1)
+  # hack so we can compare user before/after obj equality sans effected paths
+  _.each [before,after], (obj) ->
+    delete obj.stats.buffs
+    _.each $w('dailys todos history lastCron'), (path) -> delete obj[path]
+  delete after._tmp
+  expectNoChange(before, after)
+
+cycle = (array)->
+  n = -1
+  (seed=0)->
+    n++
+    return array[n % array.length]
+
+repeatWithoutLastWeekday = ()->
+  repeat = {su:true,m:true,t:true,w:true,th:true,f:true,s:true}
+  if shared.startOfWeek(moment().zone(0)).isoWeekday() == 1 # Monday
+    repeat.su = false
+  else
+    repeat.s = false
+  {repeat: repeat}
+
+###### Specs ######
+
+describe 'User', ->
+  it 'sets correct user defaults', ->
+    user = newUser()
+    base_gear = { armor: 'armor_base_0', weapon: 'weapon_base_0', head: 'head_base_0', shield: 'shield_base_0' }
+    buffs = {per:0, int:0, con:0, str:0, stealth: 0, streaks: false}
+    expect(user.stats).to.eql { str: 1, con: 1, per: 1, int: 1, hp: 50, mp: 32, lvl: 1, exp: 0, gp: 0, class: 'warrior', buffs: buffs }
+    expect(user.items.gear).to.eql { equipped: base_gear, costume: base_gear, owned: {weapon_warrior_0: true} }
+    expect(user.preferences).to.eql { autoEquip: true, costume: false }
+
+  it 'calculates max MP', ->
+    user = newUser()
+    expect(user).toHaveMaxMP 32
+    user.stats.int = 10
+    expect(user).toHaveMaxMP 50
+    user.stats.lvl = 5
+    expect(user).toHaveMaxMP 54
+    user.stats.class = 'wizard'
+    user.items.gear.equipped.weapon = 'weapon_wizard_1'
+    expect(user).toHaveMaxMP 63
+
+  it 'handles perfect days', ->
+    user = newUser()
+    user.dailys = []
+    _.times 3, ->user.dailys.push shared.taskDefaults({type:'daily', startDate: moment().subtract(7, 'days')})
+    cron = -> user.lastCron = moment().subtract(1,'days');user.fns.cron()
+
+    cron()
+    expect(user.stats.buffs.str).to.be 0
+    expect(user.achievements.perfect).to.not.be.ok()
+
+    user.dailys[0].completed = true
+    cron()
+    expect(user.stats.buffs.str).to.be 0
+    expect(user.achievements.perfect).to.not.be.ok()
+
+    _.each user.dailys, (d)->d.completed = true
+    cron()
+    expect(user.stats.buffs.str).to.be 1
+    expect(user.achievements.perfect).to.be 1
+
+    # Handle greyed-out dailys
+    yesterday = moment().subtract(1,'days')
+    user.dailys[0].repeat[shared.dayMapping[yesterday.day()]] = false
+    _.each user.dailys[1..], (d)->d.completed = true
+    cron()
+    expect(user.stats.buffs.str).to.be 1
+    expect(user.achievements.perfect).to.be 2
+
+  describe 'Resting in the Inn', ->
+    user = null
+    cron = null
+
+    beforeEach ->
+      user = newUser()
+      user.preferences.sleep = true
+      cron = -> user.lastCron = moment().subtract(1, 'days');user.fns.cron()
+      user.dailys = []
+      _.times 2, -> user.dailys.push shared.taskDefaults({type:'daily', startDate: moment().subtract(7, 'days')})
+
+    it 'remains in the inn on cron', ->
+      cron()
+      expect(user.preferences.sleep).to.be true
+
+    it 'resets dailies', ->
+       user.dailys[0].completed = true
+       cron()
+       expect(user.dailys[0].completed).to.be false
+
+    it 'resets checklist on incomplete dailies', ->
+       user.dailys[0].checklist = [
+         {
+           "text" : "1",
+           "id" : "checklist-one",
+           "completed" : true
+         },
+         {
+           "text" : "2",
+           "id" : "checklist-two",
+           "completed" : true
+         },
+         {
+           "text" : "3",
+           "id" : "checklist-three",
+           "completed" : false
+         }
+       ]
+       cron()
+       _.each user.dailys[0].checklist, (box)->
+         expect(box.completed).to.be false
+
+    it 'resets checklist on complete dailies', ->
+       user.dailys[0].checklist = [
+         {
+           "text" : "1",
+           "id" : "checklist-one",
+           "completed" : true
+         },
+         {
+           "text" : "2",
+           "id" : "checklist-two",
+           "completed" : true
+         },
+         {
+           "text" : "3",
+           "id" : "checklist-three",
+           "completed" : false
+         }
+       ]
+       user.dailys[0].completed = true
+       cron()
+       _.each user.dailys[0].checklist, (box)->
+         expect(box.completed).to.be false
+
+    it 'does not reset checklist on grey incomplete dailies', ->
+      yesterday = moment().subtract(1,'days')
+      user.dailys[0].repeat[shared.dayMapping[yesterday.day()]] = false
+      user.dailys[0].checklist = [
+        {
+          "text" : "1",
+          "id" : "checklist-one",
+          "completed" : true
+        },
+        {
+          "text" : "2",
+          "id" : "checklist-two",
+          "completed" : true
+        },
+        {
+          "text" : "3",
+          "id" : "checklist-three",
+          "completed" : true
+        }
+      ]
+
+      cron()
+      _.each user.dailys[0].checklist, (box)->
+        expect(box.completed).to.be true
+
+    it 'resets checklist on complete grey complete dailies', ->
+      yesterday = moment().subtract(1,'days')
+      user.dailys[0].repeat[shared.dayMapping[yesterday.day()]] = false
+      user.dailys[0].checklist = [
+        {
+          "text" : "1",
+          "id" : "checklist-one",
+          "completed" : true
+        },
+        {
+          "text" : "2",
+          "id" : "checklist-two",
+          "completed" : true
+        },
+        {
+          "text" : "3",
+          "id" : "checklist-three",
+          "completed" : true
+        }
+      ]
+      user.dailys[0].completed = true
+
+      cron()
+      _.each user.dailys[0].checklist, (box)->
+        expect(box.completed).to.be false
+
+    it 'does not damage user for incomplete dailies', ->
+      expect(user).toHaveHP 50
+      user.dailys[0].completed = true
+      user.dailys[1].completed = false
+      cron()
+      expect(user).toHaveHP 50
+
+    it 'gives credit for complete dailies', ->
+      user.dailys[0].completed = true
+      expect(user.dailys[0].history).to.be.empty
+      cron()
+      expect(user.dailys[0].history).to.not.be.empty
+
+    it 'damages user for incomplete dailies after checkout', ->
+      expect(user).toHaveHP 50
+      user.dailys[0].completed = true
+      user.dailys[1].completed = false
+      user.preferences.sleep = false
+      cron()
+      expect(user.stats.hp).to.be.lessThan 50
+
+  describe 'Death', ->
+    user = undefined
+    it 'revives correctly', ->
+      user = newUser()
+      user.stats = { gp: 10, exp: 100, lvl: 2, hp: 0, class: 'warrior' }
+      user.ops.revive()
+      expect(user).toHaveGP 0
+      expect(user).toHaveExp 0
+      expect(user).toHaveLevel 1
+      expect(user).toHaveHP 50
+      expect(user.items.gear.owned).to.eql { weapon_warrior_0: false }
+
+    it "doesn't break unbreakables", ->
+      ce = shared.countExists
+      user = newUser()
+      # breakables (includes default weapon_warrior_0):
+      user.items.gear.owned['shield_warrior_1'] = true
+      # unbreakables because off-class or 0 value:
+      user.items.gear.owned['shield_rogue_1'] = true
+      user.items.gear.owned['head_special_nye'] = true
+      expect(ce user.items.gear.owned).to.be 4
+      user.stats.hp = 0
+      user.ops.revive()
+      expect(ce(user.items.gear.owned)).to.be 3
+      user.stats.hp = 0
+      user.ops.revive()
+      expect(ce(user.items.gear.owned)).to.be 2
+      user.stats.hp = 0
+      user.ops.revive()
+      expect(ce(user.items.gear.owned)).to.be 2
+      expect(user.items.gear.owned).to.eql { weapon_warrior_0: false, shield_warrior_1: false, shield_rogue_1: true, head_special_nye: true }
+
+    it "handles event items", ->
+      shared.content.gear.flat.head_special_nye.event.start = '2012-01-01'
+      shared.content.gear.flat.head_special_nye.event.end = '2012-02-01'
+      expect(shared.content.gear.flat.head_special_nye.canOwn(user)).to.be true
+      delete user.items.gear.owned['head_special_nye']
+      expect(shared.content.gear.flat.head_special_nye.canOwn(user)).to.be false
+
+      shared.content.gear.flat.head_special_nye.event.start = moment().subtract(5,'days')
+      shared.content.gear.flat.head_special_nye.event.end = moment().add(5,'days')
+      expect(shared.content.gear.flat.head_special_nye.canOwn(user)).to.be true
+
+  describe 'Rebirth', ->
+    user = undefined
+    it 'removes correct gear', ->
+      user = newUser()
+      user.stats.lvl = 100
+      user.items.gear.owned = {
+        "weapon_warrior_0": true,
+        "weapon_warrior_1": true,
+        "armor_warrior_1": false,
+        "armor_mystery_201402": true,
+        "back_mystery_201402": false,
+        "head_mystery_201402": true,
+        "weapon_armoire_basicCrossbow": true,
+        }
+      user.ops.rebirth()
+      expect(user.items.gear.owned).to.eql {
+        "weapon_warrior_0": true,
+        "weapon_warrior_1": false,
+        "armor_warrior_1": false,
+        "armor_mystery_201402": true,
+        "back_mystery_201402": false,
+        "head_mystery_201402": true,
+        "weapon_armoire_basicCrossbow": false,
+        }
+
+  describe 'store', ->
+    it 'buys a Quest scroll', ->
+      user = newUser()
+      user.stats.gp = 205
+      user.ops.buyQuest {params: {key: 'dilatoryDistress1'}}
+      expect(user.items.quests).to.eql {dilatoryDistress1: 1}
+      expect(user).toHaveGP 5
+
+    it 'does not buy Quests without enough Gold', ->
+      user = newUser()
+      user.stats.gp = 1
+      user.ops.buyQuest {params: {key: 'dilatoryDistress1'}}
+      expect(user.items.quests).to.eql {}
+      expect(user).toHaveGP 1
+
+    it 'does not buy nonexistent Quests', ->
+      user = newUser()
+      user.stats.gp = 9999
+      user.ops.buyQuest {params: {key: 'snarfblatter'}}
+      expect(user.items.quests).to.eql {}
+      expect(user).toHaveGP 9999
+
+    it 'does not buy Gem-premium Quests', ->
+      user = newUser()
+      user.stats.gp = 9999
+      user.ops.buyQuest {params: {key: 'kraken'}}
+      expect(user.items.quests).to.eql {}
+      expect(user).toHaveGP 9999
+
+  describe 'Gem purchases', ->
+    it 'does not purchase items without enough Gems', ->
+      user = newUser()
+      user.ops.purchase {params: {type: 'eggs', key: 'Cactus'}}
+      user.ops.purchase {params: {type: 'gear', key: 'headAccessory_special_foxEars'}}
+      user.ops.unlock {query: {path: 'items.gear.owned.headAccessory_special_bearEars,items.gear.owned.headAccessory_special_cactusEars,items.gear.owned.headAccessory_special_foxEars,items.gear.owned.headAccessory_special_lionEars,items.gear.owned.headAccessory_special_pandaEars,items.gear.owned.headAccessory_special_pigEars,items.gear.owned.headAccessory_special_tigerEars,items.gear.owned.headAccessory_special_wolfEars'}}
+      expect(user.items.eggs).to.eql {}
+      expect(user.items.gear.owned).to.eql { weapon_warrior_0: true }
+
+    it 'purchases an egg', ->
+      user = newUser()
+      user.balance = 1
+      user.ops.purchase {params: {type: 'eggs', key: 'Cactus'}}
+      expect(user.items.eggs).to.eql { Cactus: 1}
+      expect(user.balance).to.eql 0.25
+
+    it 'purchases fox ears', ->
+      user = newUser()
+      user.balance = 1
+      user.ops.purchase {params: {type: 'gear', key: 'headAccessory_special_foxEars'}}
+      expect(user.items.gear.owned).to.eql { weapon_warrior_0: true, headAccessory_special_foxEars: true }
+      expect(user.balance).to.eql 0.5
+
+    it 'unlocks all the animal ears at once', ->
+      user = newUser()
+      user.balance = 2
+      user.ops.unlock {query: {path: 'items.gear.owned.headAccessory_special_bearEars,items.gear.owned.headAccessory_special_cactusEars,items.gear.owned.headAccessory_special_foxEars,items.gear.owned.headAccessory_special_lionEars,items.gear.owned.headAccessory_special_pandaEars,items.gear.owned.headAccessory_special_pigEars,items.gear.owned.headAccessory_special_tigerEars,items.gear.owned.headAccessory_special_wolfEars'}}
+      expect(user.items.gear.owned).to.eql { weapon_warrior_0: true, headAccessory_special_bearEars: true, headAccessory_special_cactusEars: true, headAccessory_special_foxEars: true, headAccessory_special_lionEars: true, headAccessory_special_pandaEars: true, headAccessory_special_pigEars: true, headAccessory_special_tigerEars: true, headAccessory_special_wolfEars: true}
+      expect(user.balance).to.eql 0.75
+
+  describe 'spells', ->
+    _.each shared.content.spells, (spellClass)->
+      _.each spellClass, (spell)->
+        it "#{spell.text} has valid values", ->
+          expect(spell.target).to.match(/^(task|self|party|user)$/)
+          expect(spell.mana).to.be.an('number')
+          if spell.lvl
+            expect(spell.lvl).to.be.an('number')
+            expect(spell.lvl).to.be.above(0)
+          expect(spell.cast).to.be.a('function')
+
+  describe 'drop system', ->
+    user = null
+    MIN_RANGE_FOR_POTION = 0
+    MAX_RANGE_FOR_POTION = .3
+    MIN_RANGE_FOR_EGG = .4
+    MAX_RANGE_FOR_EGG = .6
+    MIN_RANGE_FOR_FOOD = .7
+    MAX_RANGE_FOR_FOOD = 1
+
+    beforeEach ->
+      user = newUser()
+      user.flags.dropsEnabled = true
+      @task_id = shared.uuid()
+      user.ops.addTask({body: {type: 'daily', id: @task_id}})
+
+    it 'drops a hatching potion', ->
+      for random in [MIN_RANGE_FOR_POTION..MAX_RANGE_FOR_POTION] by .1
+        sinon.stub(user.fns, 'predictableRandom').returns random
+        user.ops.score {params: { id: @task_id, direction: 'up'}}
+        expect(user.items.eggs).to.be.empty
+        expect(user.items.hatchingPotions).to.not.be.empty
+        expect(user.items.food).to.be.empty
+        user.fns.predictableRandom.restore()
+
+    it 'drops a pet egg', ->
+      for random in [MIN_RANGE_FOR_EGG..MAX_RANGE_FOR_EGG] by .1
+        sinon.stub(user.fns, 'predictableRandom').returns random
+        user.ops.score {params: { id: @task_id, direction: 'up'}}
+        expect(user.items.eggs).to.not.be.empty
+        expect(user.items.hatchingPotions).to.be.empty
+        expect(user.items.food).to.be.empty
+        user.fns.predictableRandom.restore()
+
+    it 'drops food', ->
+      for random in [MIN_RANGE_FOR_FOOD..MAX_RANGE_FOR_FOOD] by .1
+        sinon.stub(user.fns, 'predictableRandom').returns random
+        user.ops.score {params: { id: @task_id, direction: 'up'}}
+        expect(user.items.eggs).to.be.empty
+        expect(user.items.hatchingPotions).to.be.empty
+        expect(user.items.food).to.not.be.empty
+        user.fns.predictableRandom.restore()
+
+    it 'does not get a drop', ->
+      sinon.stub(user.fns, 'predictableRandom').returns 0.5
+      user.ops.score {params: { id: @task_id, direction: 'up'}}
+      expect(user.items.eggs).to.eql {}
+      expect(user.items.hatchingPotions).to.eql {}
+      expect(user.items.food).to.eql {}
+      user.fns.predictableRandom.restore()
+
+  describe 'Quests', ->
+    _.each shared.content.quests, (quest)->
+      it "#{quest.text()} has valid values", ->
+        expect(quest.notes()).to.be.an('string')
+        expect(quest.completion()).to.be.an('string') if quest.completion
+        expect(quest.previous).to.be.an('string') if quest.previous
+        expect(quest.value).to.be.greaterThan 0 if quest.canBuy()
+        expect(quest.drop.gp).to.not.be.lessThan 0
+        expect(quest.drop.exp).to.not.be.lessThan 0
+        expect(quest.category).to.match(/pet|unlockable|gold|world/)
+        if quest.drop.items
+          expect(quest.drop.items).to.be.an(Array)
+        if quest.boss
+          expect(quest.boss.name()).to.be.an('string')
+          expect(quest.boss.hp).to.be.greaterThan 0
+          expect(quest.boss.str).to.be.greaterThan 0
+        else if quest.collect
+          _.each quest.collect, (collect)->
+            expect(collect.text()).to.be.an('string')
+            expect(collect.count).to.be.greaterThan 0
+
+  describe 'Achievements', ->
+    _.each shared.content.classes, (klass) ->
+      user = newUser()
+      user.stats.gp = 10000
+      _.each shared.content.gearTypes, (type) ->
+        _.each [1..5], (i) ->
+          user.ops.buy {params:'#{type}_#{klass}_#{i}'}
+      it 'does not get ultimateGear ' + klass, ->
+        expect(user.achievements.ultimateGearSets[klass]).to.not.be.ok()
+      _.each shared.content.gearTypes, (type) ->
+        user.ops.buy {params:'#{type}_#{klass}_6'}
+      xit 'gets ultimateGear ' + klass, ->
+        expect(user.achievements.ultimateGearSets[klass]).to.be.ok()
+
+    it 'does not remove existing Ultimate Gear achievements', ->
+      user = newUser()
+      user.achievements.ultimateGearSets = {'healer':true,'wizard':true,'rogue':true,'warrior':true}
+      user.items.gear.owned.shield_warrior_5 = false
+      user.items.gear.owned.weapon_rogue_6 = false
+      user.ops.buy {params:'shield_warrior_5'}
+      expect(user.achievements.ultimateGearSets).to.eql {'healer':true,'wizard':true,'rogue':true,'warrior':true}
+
+  describe 'unlocking features', ->
+    it 'unlocks drops at level 3', ->
+      user = newUser()
+      user.stats.lvl = 3
+      user.fns.updateStats(user.stats)
+      expect(user.flags.dropsEnabled).to.be.ok()
+
+    it 'unlocks Rebirth at level 50', ->
+      user = newUser()
+      user.stats.lvl = 50
+      user.fns.updateStats(user.stats)
+      expect(user.flags.rebirthEnabled).to.be.ok()
+
+    describe 'level-awarded Quests', ->
+      it 'gets Attack of the Mundane at level 15', ->
+        user = newUser()
+        user.stats.lvl = 15
+        user.fns.updateStats(user.stats)
+        expect(user.flags.levelDrops.atom1).to.be.ok()    
+        expect(user.items.quests.atom1).to.eql 1
+
+      it 'gets Vice at level 30', ->
+        user = newUser()
+        user.stats.lvl = 30
+        user.fns.updateStats(user.stats)
+        expect(user.flags.levelDrops.vice1).to.be.ok()
+        expect(user.items.quests.vice1).to.eql 1
+
+      it 'gets Golden Knight at level 40', ->
+        user = newUser()
+        user.stats.lvl = 40
+        user.fns.updateStats(user.stats)
+        expect(user.flags.levelDrops.goldenknight1).to.be.ok()
+        expect(user.items.quests.goldenknight1).to.eql 1
+
+      it 'gets Moonstone Chain at level 60', ->
+        user = newUser()
+        user.stats.lvl = 60
+        user.fns.updateStats(user.stats)
+        expect(user.flags.levelDrops.moonstone1).to.be.ok()
+        expect(user.items.quests.moonstone1).to.eql 1
+
+describe 'Simple Scoring', ->
+  beforeEach ->
+    {@before, @after} = beforeAfter()
+
+  it 'Habits : Up', ->
+    @after.ops.score {params: {id: @after.habits[0].id, direction: 'down'}, query: {times: 5}}
+    expectLostPoints(@before, @after,'habit')
+
+  it 'Habits : Down', ->
+    @after.ops.score {params: {id: @after.habits[0].id, direction: 'up'}, query: {times: 5}}
+    expectGainedPoints(@before, @after,'habit')
+
+  it 'Dailys : Up', ->
+    @after.ops.score {params: {id: @after.dailys[0].id, direction: 'up'}}
+    expectGainedPoints(@before, @after,'daily')
+
+  it 'Dailys : Up, Down', ->
+    @after.ops.score {params: {id: @after.dailys[0].id, direction: 'up'}}
+    @after.ops.score {params: {id: @after.dailys[0].id, direction: 'down'}}
+    expectClosePoints(@before, @after, 'daily')
+
+  it 'Todos : Up', ->
+    @after.ops.score {params: {id: @after.todos[0].id, direction: 'up'}}
+    expectGainedPoints(@before, @after,'todo')
+
+  it 'Todos : Up, Down', ->
+    @after.ops.score {params: {id: @after.todos[0].id, direction: 'up'}}
+    @after.ops.score {params: {id: @after.todos[0].id, direction: 'down'}}
+    expectClosePoints(@before, @after, 'todo')
+
+describe 'Cron', ->
+
+  it 'computes shouldCron', ->
+    user = newUser()
+
+    paths = {};user.fns.cron {paths}
+    expect(user.lastCron).to.not.be.ok # it setup the cron property now
+
+    user.lastCron = +moment().subtract(1,'days')
+
+    paths = {};user.fns.cron {paths}
+    expect(user.lastCron).to.be.greaterThan 0
+
+#    user.lastCron = +moment().add(1,'days')
+#    paths = {};algos.cron user, {paths}
+#    expect(paths.lastCron).to.be true # busted cron (was set to after today's date)
+
+  it 'only dailies & todos are affected', ->
+    {before,after} = beforeAfter({daysAgo:1})
+    before.dailys = before.todos = after.dailys = after.todos = []
+    after.fns.cron()
+    before.stats.mp=after.stats.mp #FIXME
+    expect(after.lastCron).to.not.be before.lastCron # make sure cron was run
+    delete after.stats.buffs;delete before.stats.buffs
+    expect(before.stats).to.eql after.stats
+    beforeTasks = before.habits.concat(before.dailys).concat(before.todos).concat(before.rewards)
+    afterTasks = after.habits.concat(after.dailys).concat(after.todos).concat(after.rewards)
+    expect(beforeTasks).to.eql afterTasks
+
+  describe 'preening', ->
+    beforeEach ->
+      @clock = sinon.useFakeTimers(Date.parse("2013-11-20"), "Date")
+
+    afterEach ->
+      @clock.restore()
+
+    it 'should preen user history', ->
+      {before,after} = beforeAfter({daysAgo:1})
+      history = [
+        # Last year should be condensed to one entry, avg: 1
+        {date:'09/01/2012', value: 0}
+        {date:'10/01/2012', value: 0}
+        {date:'11/01/2012', value: 2}
+        {date:'12/01/2012', value: 2}
+
+        # Each month of this year should be condensed to 1/mo, averages follow
+        {date:'01/01/2013', value: 1} #2
+        {date:'01/15/2013', value: 3}
+
+        {date:'02/01/2013', value: 2} #3
+        {date:'02/15/2013', value: 4}
+
+        {date:'03/01/2013', value: 3} #4
+        {date:'03/15/2013', value: 5}
+
+        {date:'04/01/2013', value: 4} #5
+        {date:'04/15/2013', value: 6}
+
+        {date:'05/01/2013', value: 5} #6
+        {date:'05/15/2013', value: 7}
+
+        {date:'06/01/2013', value: 6} #7
+        {date:'06/15/2013', value: 8}
+
+        {date:'07/01/2013', value: 7} #8
+        {date:'07/15/2013', value: 9}
+
+        {date:'08/01/2013', value: 8} #9
+        {date:'08/15/2013', value: 10}
+
+        {date:'09/01/2013', value: 9} #10
+        {date:'09/15/2013', value: 11}
+
+        {date:'010/01/2013', value: 10} #11
+        {date:'010/15/2013', value: 12}
+
+        # This month should condense each week
+        {date:'011/01/2013', value: 12}
+        {date:'011/02/2013', value: 13}
+        {date:'011/03/2013', value: 14}
+        {date:'011/04/2013', value: 15}
+      ]
+      after.history = {exp: _.cloneDeep(history), todos: _.cloneDeep(history)}
+      after.habits[0].history = _.cloneDeep(history)
+      after.fns.cron()
+
+      # remove history entries created by cron
+      after.history.exp.pop()
+      after.history.todos.pop()
+
+      _.each [after.history.exp, after.history.todos, after.habits[0].history], (arr) ->
+        expect(_.map(arr, (x)->x.value)).to.eql [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
+
+  describe 'Todos', ->
+    it '1 day missed', ->
+      {before,after} = beforeAfter({daysAgo:1})
+      before.dailys = after.dailys = []
+      after.fns.cron()
+
+      # todos don't effect stats
+      expect(after).toHaveHP 50
+      expect(after).toHaveExp 0
+      expect(after).toHaveGP 0
+
+      # but they devalue
+      expect(before.todos[0].value).to.be 0  # sanity check for task setup
+      expect(after.todos[0].value).to.be -1  # the actual test
+      expect(after.history.todos).to.have.length 1
+
+    it '2 days missed', ->
+      {before,after} = beforeAfter({daysAgo:2})
+      before.dailys = after.dailys = []
+      after.fns.cron()
+
+      # todos devalue by only one day's worth of devaluation
+      expect(before.todos[0].value).to.be 0  # sanity check for task setup
+      expect(after.todos[0].value).to.be -1  # the actual test
+
+  # I used hard-coded dates here instead of 'now' so the tests don't fail
+  #  when you run them between midnight and dayStart. Nothing worse than
+  #  intermittent failures.
+  describe 'cron day calculations', ->
+    dayStart = 4
+    fstr = "YYYY-MM-DD HH:mm:ss"
+
+    it 'startOfDay before dayStart', ->
+      # If the time is before dayStart, then we expect the start of the day to be yesterday at dayStart
+      start = shared.startOfDay {now: moment('2014-10-09 02:30:00'), dayStart}
+      expect(start.format(fstr)).to.eql '2014-10-08 04:00:00'
+
+    it 'startOfDay after dayStart', ->
+      # If the time is after dayStart, then we expect the start of the day to be today at dayStart
+      start = shared.startOfDay {now: moment('2014-10-09 05:30:00'), dayStart}
+      expect(start.format(fstr)).to.eql '2014-10-09 04:00:00'
+
+    it 'daysSince cron before, now after', ->
+      # If the lastCron was before dayStart, then a time on the same day after dayStart
+      #  should be 1 day later than lastCron
+      lastCron = moment('2014-10-09 02:30:00')
+      days = shared.daysSince(lastCron, {now: moment('2014-10-09 11:30:00'), dayStart})
+      expect(days).to.eql 1
+
+    it 'daysSince cron before, now before', ->
+      # If the lastCron was before dayStart, then a time on the same day also before dayStart
+      #  should be 0 days later than lastCron
+      lastCron = moment('2014-10-09 02:30:00')
+      days = shared.daysSince(lastCron, {now: moment('2014-10-09 03:30:00'), dayStart})
+      expect(days).to.eql 0
+
+    it 'daysSince cron after, now after', ->
+      # If the lastCron was after dayStart, then a time on the same day also after dayStart
+      #  should be 0 days later than lastCron
+      lastCron = moment('2014-10-09 05:30:00')
+      days = shared.daysSince(lastCron, {now: moment('2014-10-09 06:30:00'), dayStart})
+      expect(days).to.eql 0
+
+    it 'daysSince cron after, now tomorrow before', ->
+      # If the lastCron was after dayStart, then a time on the following day but before dayStart
+      #  should be 0 days later than lastCron
+      lastCron = moment('2014-10-09 12:30:00')
+      days = shared.daysSince(lastCron, {now: moment('2014-10-10 01:30:00'), dayStart})
+      expect(days).to.eql 0
+
+    it 'daysSince cron after, now tomorrow after', ->
+      # If the lastCron was after dayStart, then a time on the following day and after dayStart
+      #  should be 1 day later than lastCron
+      lastCron = moment('2014-10-09 12:30:00')
+      days = shared.daysSince(lastCron, {now: moment('2014-10-10 10:30:00'), dayStart})
+      expect(days).to.eql 1
+
+    xit 'daysSince, last cron before new dayStart', ->
+      # If lastCron was after dayStart (at 1am) with dayStart set at 0, changing dayStart to 4am
+      #  should not trigger another cron the same day
+
+      # dayStart is 0
+      lastCron = moment('2014-10-09 01:00:00')
+      # dayStart is 4
+      days = shared.daysSince(lastCron, {now: moment('2014-10-09 05:00:00'), dayStart})
+      expect(days).to.eql 0
+
+  describe 'dailies', ->
+
+    describe 'new day', ->
+
+      ###
+      This section runs through a "cron matrix" of all permutations (that I can easily account for). It sets
+      task due days, user custom day start, timezoneOffset, etc - then runs cron, jumps to tomorrow and runs cron,
+      and so on - testing each possible outcome along the way
+      ###
+
+      runCron = (options) ->
+        _.each [480, 240, 0, -120], (timezoneOffset) -> # test different timezones
+          now = shared.startOfWeek({timezoneOffset}).add(options.currentHour||0, 'hours')
+          {before,after} = beforeAfter({now, timezoneOffset, daysAgo:1, cronAfterStart:options.cronAfterStart||true, dayStart:options.dayStart||0, limitOne:'daily'})
+          before.dailys[0].repeat = after.dailys[0].repeat = options.repeat if options.repeat
+          before.dailys[0].streak = after.dailys[0].streak = 10
+          before.dailys[0].completed = after.dailys[0].completed = true if options.checked
+          before.dailys[0].startDate = after.dailys[0].startDate = moment().subtract(30, 'days')
+          if options.shouldDo
+            expect(shared.shouldDo(now.toDate(), after.dailys[0], {timezoneOffset, dayStart:options.dayStart, now})).to.be.ok()
+          after.fns.cron {now}
+          before.stats.mp=after.stats.mp #FIXME
+          switch options.expect
+            when 'losePoints' then expectLostPoints(before,after,'daily')
+            when 'noChange' then expectNoChange(before,after)
+            when 'noDamage' then expectDayResetNoDamage(before,after)
+          {before,after}
+
+      # These test cases were written assuming that lastCron was run after dayStart
+      #  even if currentHour < dayStart and lastCron = yesterday at currentHour.
+      #  cronAfterStart makes sure that lastCron is moved to be after dayStart.
+      cronMatrix =
+        steps:
+
+          'due yesterday':
+            defaults: {daysAgo:1, cronAfterStart:true, limitOne: 'daily'}
+            steps:
+
+              '(simple)': {expect:'losePoints'}
+
+              'due today':
+                # NOTE: a strange thing here, moment().startOf('week') is Sunday, but moment.zone(myTimeZone).startOf('week') is Monday.
+                defaults: {repeat:{su:true,m:true,t:true,w:true,th:true,f:true,s:true}}
+                steps:
+                  'pre-dayStart':
+                    defaults: {currentHour:3, dayStart:4, shouldDo:true}
+                    steps:
+                      'checked': {checked: true, expect:'noChange'}
+                      'un-checked': {checked: false, expect:'noChange'}
+                  'post-dayStart':
+                    defaults: {currentHour:5, dayStart:4, shouldDo:true}
+                    steps:
+                      'checked': {checked:true, expect:'noDamage'}
+                      'unchecked': {checked:false, expect: 'losePoints'}
+
+              'NOT due today':
+                defaults: {repeat:{su:true,m:false,t:true,w:true,th:true,f:true,s:true}}
+                steps:
+                  'pre-dayStart':
+                    defaults: {currentHour:3, dayStart:4, shouldDo:true}
+                    steps:
+                      'checked': {checked: true, expect:'noChange'}
+                      'un-checked': {checked: false, expect:'noChange'}
+                  'post-dayStart':
+                    defaults: {currentHour:5, dayStart:4, shouldDo:false}
+                    steps:
+                      'checked': {checked:true, expect:'noDamage'}
+                      'unchecked': {checked:false, expect: 'losePoints'}
+
+          'not due yesterday':
+            defaults: repeatWithoutLastWeekday()
+            steps:
+              '(simple)': {expect:'noDamage'}
+              'post-dayStart': {currentHour:5,dayStart:4, expect:'noDamage'}
+              'pre-dayStart': {currentHour:3, dayStart:4, expect:'noChange'}
+
+      recurseCronMatrix = (obj, options={}) ->
+        if obj.steps
+          _.each obj.steps, (step, text) ->
+            o = _.cloneDeep options
+            o.text ?= ''; o.text += " #{text} "
+            recurseCronMatrix step, _.defaults(o,obj.defaults)
+        else
+          it "#{options.text}", -> runCron(_.defaults(obj,options))
+      recurseCronMatrix(cronMatrix)
+
+describe 'Helper', ->
+
+  it 'calculates gold coins', ->
+    expect(shared.gold(10)).to.eql 10
+    expect(shared.gold(1.957)).to.eql 1
+    expect(shared.gold()).to.eql 0
+
+  it 'calculates silver coins', ->
+    expect(shared.silver(10)).to.eql 0
+    expect(shared.silver(1.957)).to.eql 95
+    expect(shared.silver(0.01)).to.eql "01"
+    expect(shared.silver()).to.eql "00"
+
+  it 'calculates experience to next level', ->
+    expect(shared.tnl 1).to.eql 150
+    expect(shared.tnl 2).to.eql 160
+    expect(shared.tnl 10).to.eql 260
+    expect(shared.tnl 99).to.eql 3580
+
+  it 'calculates the start of the day', ->
+    fstr = 'YYYY-MM-DD HH:mm:ss'
+    today = '2013-01-01 00:00:00'
+    # get the timezone for the day, so the test case doesn't fail
+    #  if you run it during daylight savings time because by default
+    #  it uses moment().zone() which is the current minute offset
+    zone = moment(today).zone()
+    expect(shared.startOfDay({now: new Date(2013, 0, 1, 0)}, timezoneOffset:zone).format(fstr)).to.eql today
+    expect(shared.startOfDay({now: new Date(2013, 0, 1, 5)}, timezoneOffset:zone).format(fstr)).to.eql today
+    expect(shared.startOfDay({now: new Date(2013, 0, 1, 23, 59, 59), timezoneOffset:zone}).format(fstr)).to.eql today
diff --git a/test/common/algos.mocha.js b/test/common/algos.mocha.js
index 06ebd3044d..6a568c115c 100644
--- a/test/common/algos.mocha.js
+++ b/test/common/algos.mocha.js
@@ -10,7 +10,7 @@ moment = require('moment');
 
 shared = require('../../common/script/index.js');
 
-shared.i18n.translations = require('../../website/src/libs/i18n.js').translations;
+shared.i18n.translations = require('../../website/src/libs/api-v2/i18n.js').translations;
 
 test_helper = require('./test_helper');
 
diff --git a/test/common/dailies.coffee b/test/common/dailies.coffee
new file mode 100644
index 0000000000..da00c88871
--- /dev/null
+++ b/test/common/dailies.coffee
@@ -0,0 +1,418 @@
+_ = require 'lodash'
+expect = require 'expect.js'
+sinon = require 'sinon'
+moment = require 'moment'
+shared = require '../../common/script/index.js'
+shared.i18n.translations = require('../../website/src/libs/api-v2/i18n.js').translations
+
+repeatWithoutLastWeekday = ()->
+  repeat = {su:true,m:true,t:true,w:true,th:true,f:true,s:true}
+  if shared.startOfWeek(moment().zone(0)).isoWeekday() == 1 # Monday
+    repeat.su = false
+  else
+    repeat.s = false
+  {repeat: repeat}
+
+### Helper Functions ####
+# @TODO: Refactor into helper file
+newUser = (addTasks=true)->
+  buffs = {per:0, int:0, con:0, str:0, stealth: 0, streaks: false}
+  user =
+    auth:
+      timestamps: {}
+    stats: {str:1, con:1, per:1, int:1, mp: 32, class: 'warrior', buffs: buffs}
+    items:
+      lastDrop:
+        count: 0
+      hatchingPotions: {}
+      eggs: {}
+      food: {}
+      gear:
+        equipped: {}
+        costume: {}
+    party:
+      quest:
+        progress:
+          down: 0
+    preferences: {}
+    dailys: []
+    todos: []
+    rewards: []
+    flags: {}
+    achievements: {}
+    contributor:
+      level: 2
+  shared.wrap(user)
+  user.ops.reset(null, ->)
+  if addTasks
+    _.each ['habit', 'todo', 'daily'], (task)->
+      user.ops.addTask {body: {type: task, id: shared.uuid()}}
+  user
+
+cron = (usr, missedDays=1) ->
+  usr.lastCron = moment().subtract(missedDays,'days')
+  usr.fns.cron()
+
+describe 'daily/weekly that repeats everyday (default)', ->
+  user = null
+  daily = null
+  weekly = null
+
+  describe 'when startDate is in the future', ->
+    beforeEach ->
+      user = newUser()
+      user.dailys = [
+        shared.taskDefaults({type:'daily', startDate: moment().add(7, 'days'), frequency: 'daily'})
+        shared.taskDefaults({type:'daily', startDate: moment().add(7, 'days'), frequency: 'weekly', repeat: {su:true,m:true,t:true,w:true,th:true,f:true,s:true}})
+      ]
+      daily = user.dailys[0]
+      weekly = user.dailys[1]
+
+    it 'does not damage user for not completing it', ->
+      cron(user)
+      expect(user.stats.hp).to.be 50
+
+    it 'does not change value on cron if daily is incomplete', ->
+      cron(user)
+      expect(daily.value).to.be 0
+      expect(weekly.value).to.be 0
+
+    it 'does not reset checklists if daily is not marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      weekly.checklist = checklist
+      cron(user)
+
+      expect(daily.checklist[0].completed).to.be true
+      expect(daily.checklist[1].completed).to.be true
+      expect(daily.checklist[2].completed).to.be false
+
+      expect(weekly.checklist[0].completed).to.be true
+      expect(weekly.checklist[1].completed).to.be true
+      expect(weekly.checklist[2].completed).to.be false
+
+    it 'resets checklists if daily is marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      weekly.checklist = checklist
+      daily.completed = true
+      weekly.completed = true
+      cron(user)
+
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+      _.each weekly.checklist, (box)->
+        expect(box.completed).to.be false
+
+    it 'is due on startDate', ->
+      daily_due_today = shared.shouldDo moment(), daily
+      daily_due_on_start_date = shared.shouldDo moment().add(7, 'days'), daily
+
+      expect(daily_due_today).to.be false
+      expect(daily_due_on_start_date).to.be true
+
+      weekly_due_today = shared.shouldDo moment(), weekly
+      weekly_due_on_start_date = shared.shouldDo moment().add(7, 'days'), weekly
+
+      expect(weekly_due_today).to.be false
+      expect(weekly_due_on_start_date).to.be true
+
+  describe 'when startDate is in the past', ->
+    beforeEach ->
+      user = newUser()
+      user.dailys = [
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(7, 'days'), frequency: 'daily'})
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(7, 'days'), frequency: 'weekly'})
+      ]
+      daily = user.dailys[0]
+      weekly = user.dailys[1]
+
+    it 'does damage user for not completing it', ->
+      cron(user)
+      expect(user.stats.hp).to.be.lessThan 50
+
+    it 'decreases value on cron if daily is incomplete', ->
+      cron(user, 1)
+      expect(daily.value).to.be -1
+      expect(weekly.value).to.be -1
+
+    it 'decreases value on cron once only if daily is incomplete and multiple days are missed', ->
+      cron(user, 7)
+      expect(daily.value).to.be -1
+      expect(weekly.value).to.be -1
+
+    it 'resets checklists if daily is not marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      weekly.checklist = checklist
+      cron(user)
+
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+      _.each weekly.checklist, (box)->
+        expect(box.completed).to.be false
+
+    it 'resets checklists if daily is marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      daily.completed = true
+      weekly.checklist = checklist
+      weekly.completed = true
+      cron(user)
+
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+      _.each weekly.checklist, (box)->
+        expect(box.completed).to.be false
+
+  describe 'when startDate is today', ->
+    beforeEach ->
+      user = newUser()
+      user.dailys = [
+        # Must set start date to yesterday, because cron mock sets last cron to yesterday
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(1, 'days'), frequency: 'daily'})
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(1, 'days'), frequency: 'weekly'})
+      ]
+      daily = user.dailys[0]
+      weekly = user.dailys[1]
+
+    it 'does damage user for not completing it', ->
+      cron(user)
+      expect(user.stats.hp).to.be.lessThan 50
+
+    it 'decreases value on cron if daily is incomplete', ->
+      cron(user)
+      expect(daily.value).to.be.lessThan 0
+      expect(weekly.value).to.be.lessThan 0
+
+    it 'resets checklists if daily is not marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      weekly.checklist = checklist
+      cron(user)
+
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+      _.each weekly.checklist, (box)->
+        expect(box.completed).to.be false
+
+    it 'resets checklists if daily is marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        },
+        {
+          'text' : '2',
+          'id' : 'checklist-two',
+          'completed' : true
+        },
+        {
+          'text' : '3',
+          'id' : 'checklist-three',
+          'completed' : false
+        }
+      ]
+      daily.checklist = checklist
+      daily.completed = true
+      weekly.checklist = checklist
+      weekly.completed = true
+      cron(user)
+
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+      _.each weekly.checklist, (box)->
+        expect(box.completed).to.be false
+
+describe 'daily that repeats every x days', ->
+  user = null
+  daily = null
+
+  beforeEach ->
+    user = newUser()
+    user.dailys = [ shared.taskDefaults({type:'daily', startDate: moment(), frequency: 'daily'}) ]
+    daily = user.dailys[0]
+
+  _.times 11, (due) ->
+
+    it 'where x equals ' + due, ->
+      daily.everyX = due
+
+      _.times 30, (day) ->
+        isDue = shared.shouldDo moment().add(day, 'days'), daily
+        expect(isDue).to.be true if day % due == 0
+        expect(isDue).to.be false if day % due != 0
+
+describe 'daily that repeats every X days when multiple days are missed', ->
+  everyX = 3
+  startDateDaysAgo = everyX * 3
+  user = null
+  daily = null
+
+  describe 'including missing a due date', ->
+    missedDays = everyX * 2 + 1
+
+    beforeEach ->
+      user = newUser()
+      user.dailys = [
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(startDateDaysAgo, 'days'), frequency: 'daily', everyX: everyX})
+      ]
+      daily = user.dailys[0]
+
+    it 'decreases value on cron once only if daily is incomplete', ->
+      cron(user, missedDays)
+      expect(daily.value).to.be -1
+
+    it 'resets checklists if daily is incomplete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        }
+      ]
+      daily.checklist = checklist
+      cron(user, missedDays)
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+    it 'resets checklists if daily is marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        }
+      ]
+      daily.checklist = checklist
+      daily.completed = true
+      cron(user, missedDays)
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
+
+  describe 'but not missing a due date', ->
+    missedDays = everyX - 1
+
+    beforeEach ->
+      user = newUser()
+      user.dailys = [
+        shared.taskDefaults({type:'daily', startDate: moment().subtract(startDateDaysAgo, 'days'), frequency: 'daily', everyX: everyX})
+      ]
+      daily = user.dailys[0]
+
+    it 'does not decrease value on cron', ->
+      cron(user, missedDays)
+      expect(daily.value).to.be 0
+
+    it 'does not reset checklists if daily is incomplete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        }
+      ]
+      daily.checklist = checklist
+      cron(user, missedDays)
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be true
+
+    it 'resets checklists if daily is marked as complete', ->
+      checklist = [
+        {
+          'text' : '1',
+          'id' : 'checklist-one',
+          'completed' : true
+        }
+      ]
+      daily.checklist = checklist
+      daily.completed = true
+      cron(user, missedDays)
+      _.each daily.checklist, (box)->
+        expect(box.completed).to.be false
diff --git a/test/common/dailies.js b/test/common/dailies.js
index 92d80ee5ad..6e8f1cfe40 100644
--- a/test/common/dailies.js
+++ b/test/common/dailies.js
@@ -10,7 +10,7 @@ moment = require('moment');
 
 shared = require('../../common/script/index.js');
 
-shared.i18n.translations = require('../../website/src/libs/i18n.js').translations;
+shared.i18n.translations = require('../../website/src/libs/api-v2/i18n.js').translations;
 
 repeatWithoutLastWeekday = function() {
   var repeat;
diff --git a/test/common/user.fns.ultimateGear.test.js b/test/common/user.fns.ultimateGear.test.js
index 9dc80eaea5..17ab5a0684 100644
--- a/test/common/user.fns.ultimateGear.test.js
+++ b/test/common/user.fns.ultimateGear.test.js
@@ -1,5 +1,5 @@
 var shared = require('../../common/script/index.js');
-shared.i18n.translations = require('../../website/src/libs/i18n.js').translations
+shared.i18n.translations = require('../../website/src/libs/api-v2/i18n.js').translations
 
 require('./test_helper');
 
diff --git a/test/helpers/api-integration.helper.js b/test/helpers/api-integration.helper.js
index 3e1ae734cc..92e67294df 100644
--- a/test/helpers/api-integration.helper.js
+++ b/test/helpers/api-integration.helper.js
@@ -8,7 +8,7 @@ import {MongoClient as mongo} from 'mongodb';
 import {v4 as generateUUID} from 'uuid';
 import superagent from 'superagent';
 import i18n from '../../common/script/src/i18n';
-i18n.translations = require('../../website/src/libs/i18n.js').translations;
+i18n.translations = require('../../website/src/libs/api-v3/i18n').translations;
 
 const API_TEST_SERVER_PORT = 3003;
 
diff --git a/test/helpers/api-unit.helper.js b/test/helpers/api-unit.helper.js
index 95a34316e1..62516f2751 100644
--- a/test/helpers/api-unit.helper.js
+++ b/test/helpers/api-unit.helper.js
@@ -3,7 +3,7 @@ import { model as User } from '../../website/src/models/user'
 import { model as Group } from '../../website/src/models/group'
 import i18n from '../../common/script/src/i18n';
 require('coffee-script');
-i18n.translations = require('../../website/src/libs/i18n.js').translations;
+i18n.translations = require('../../website/src/libs/api-v3/i18n.js').translations;
 
 afterEach(() => {
   sandbox.restore();
@@ -35,6 +35,7 @@ export function generateReq(options={}) {
   let defaultReq = {
     body: {},
     query: {},
+    headers: {},
   };
 
   return defaults(options, defaultReq);
diff --git a/test/helpers/content.helper.js b/test/helpers/content.helper.js
index db95a1f0b3..9c6b3fcdad 100644
--- a/test/helpers/content.helper.js
+++ b/test/helpers/content.helper.js
@@ -2,7 +2,7 @@ require('./globals.helper');
 import {each} from 'lodash';
 
 import i18n from '../../common/script/src/i18n';
-i18n.translations = require('../../website/src/libs/i18n.js').translations;
+i18n.translations = require('../../website/src/libs/api-v3/i18n').translations;
 
 export const STRING_ERROR_MSG = 'Error processing the string. Please see Help > Report a Bug.';
 export const STRING_DOES_NOT_EXIST_MSG = /^String '.*' not found.$/;
diff --git a/test/server_side/controllers/groups.test.js b/test/server_side/controllers/groups.test.js
index 9e970c4afc..9574ed7640 100644
--- a/test/server_side/controllers/groups.test.js
+++ b/test/server_side/controllers/groups.test.js
@@ -8,7 +8,7 @@ var Group = require('../../../website/src/models/group').model;
 var groupsController = require('../../../website/src/controllers/api-v2/groups');
 
 describe('Groups Controller', function() {
-  var utils = require('../../../website/src/libs/utils');
+  var utils = require('../../../website/src/libs/api-v2/utils');
 
   describe('#invite', function() {
     var res, req, user, group;
diff --git a/test/server_side/webhooks.test.js b/test/server_side/webhooks.test.js
index ef6636bf93..45e042db8a 100644
--- a/test/server_side/webhooks.test.js
+++ b/test/server_side/webhooks.test.js
@@ -4,7 +4,7 @@ chai.use(require("sinon-chai"))
 var expect = chai.expect
 var rewire = require('rewire');
 
-var webhook = rewire('../../website/src/libs/webhook');
+var webhook = rewire('../../website/src/libs/api-v2/webhook');
 
 describe('webhooks', function() {
   var postSpy;
diff --git a/website/src/controllers/api-v2/auth.js b/website/src/controllers/api-v2/auth.js
index 73a8a8e38d..dd379cc095 100644
--- a/website/src/controllers/api-v2/auth.js
+++ b/website/src/controllers/api-v2/auth.js
@@ -3,14 +3,14 @@ var validator = require('validator');
 var passport = require('passport');
 var shared = require('../../../../common');
 var async = require('async');
-var utils = require('../../libs/utils');
+var utils = require('../../libs/api-v2/utils');
 var nconf = require('nconf');
 var request = require('request');
 var FirebaseTokenGenerator = require('firebase-token-generator');
 var User = require('../../models/user').model;
 var EmailUnsubscription = require('../../models/emailUnsubscription').model;
 var analytics = utils.analytics;
-var i18n = require('./../../libs/i18n');
+var i18n = require('./../../libs/api-v2/i18n');
 
 var isProd = nconf.get('NODE_ENV') === 'production';
 
diff --git a/website/src/controllers/api-v2/challenges.js b/website/src/controllers/api-v2/challenges.js
index 21104f2885..89d68495d6 100644
--- a/website/src/controllers/api-v2/challenges.js
+++ b/website/src/controllers/api-v2/challenges.js
@@ -9,7 +9,7 @@ var Group = require('./../../models/group').model;
 var Challenge = require('./../../models/challenge').model;
 var logging = require('./../../libs/api-v2/logging');
 var csv = require('express-csv');
-var utils = require('../../libs/utils');
+var utils = require('../../libs/api-v2/utils');
 var api = module.exports;
 var pushNotify = require('./../pushNotifications');
 
diff --git a/website/src/controllers/api-v2/groups.js b/website/src/controllers/api-v2/groups.js
index 0fc969c3af..0355148856 100644
--- a/website/src/controllers/api-v2/groups.js
+++ b/website/src/controllers/api-v2/groups.js
@@ -9,7 +9,7 @@ var _ = require('lodash');
 var nconf = require('nconf');
 var async = require('async');
 var Q = require('q');
-var utils = require('./../../libs/utils');
+var utils = require('./../../libs/api-v2/utils');
 var shared = require('../../../../common');
 var User = require('./../../models/user').model;
 var Group = require('./../../models/group').model;
@@ -19,7 +19,7 @@ var isProd = nconf.get('NODE_ENV') === 'production';
 var api = module.exports;
 var pushNotify = require('./../pushNotifications');
 var analytics = utils.analytics;
-var firebase = require('../../libs/firebase');
+var firebase = require('../../libs/api-v2/firebase');
 
 /*
   ------------------------------------------------------------------------
diff --git a/website/src/controllers/api-v2/members.js b/website/src/controllers/api-v2/members.js
index c528b92cd7..1c3bb448ac 100644
--- a/website/src/controllers/api-v2/members.js
+++ b/website/src/controllers/api-v2/members.js
@@ -5,7 +5,7 @@ var api = module.exports;
 var async = require('async');
 var _ = require('lodash');
 var shared = require('../../../../common');
-var utils = require('../../libs/utils');
+var utils = require('../../libs/api-v2/utils');
 var nconf = require('nconf');
 var pushNotify = require('./../pushNotifications');
 
diff --git a/website/src/controllers/api-v2/unsubscription.js b/website/src/controllers/api-v2/unsubscription.js
index 772d0580e9..65f37f6298 100644
--- a/website/src/controllers/api-v2/unsubscription.js
+++ b/website/src/controllers/api-v2/unsubscription.js
@@ -1,6 +1,6 @@
 var User = require('../../models/user').model;
 var EmailUnsubscription = require('../../models/emailUnsubscription').model;
-var utils = require('../../libs/utils');
+var utils = require('../../libs/api-v2/utils');
 var i18n = require('../../../../common').i18n;
 
 var api = module.exports = {};
diff --git a/website/src/controllers/api-v2/user.js b/website/src/controllers/api-v2/user.js
index cd747e7d5c..519ae0c557 100644
--- a/website/src/controllers/api-v2/user.js
+++ b/website/src/controllers/api-v2/user.js
@@ -5,7 +5,7 @@ var nconf = require('nconf');
 var async = require('async');
 var shared = require('../../../../common');
 var User = require('./../../models/user').model;
-var utils = require('./../../libs/utils');
+var utils = require('./../../libs/api-v2/utils');
 var analytics = utils.analytics;
 var Group = require('./../../models/group').model;
 var Challenge = require('./../../models/challenge').model;
@@ -13,7 +13,7 @@ var moment = require('moment');
 var logging = require('./../../libs/api-v2/logging');
 var acceptablePUTPaths;
 var api = module.exports;
-var firebase = require('../../libs/firebase');
+var firebase = require('../../libs/api-v2/firebase');
 var webhook = require('../../libs/api-v2/webhook');
 
 // api.purchase // Shared.ops
diff --git a/website/src/controllers/payments/index.js b/website/src/controllers/payments/index.js
index 866c33381b..074fab2369 100644
--- a/website/src/controllers/payments/index.js
+++ b/website/src/controllers/payments/index.js
@@ -1,7 +1,7 @@
 var _ = require('lodash');
 var shared = require('../../../../common');
 var nconf = require('nconf');
-var utils = require('./../../libs/utils');
+var utils = require('./../../libs/api-v2/utils');
 var moment = require('moment');
 var isProduction = nconf.get("NODE_ENV") === "production";
 var stripe = require('./stripe');
diff --git a/website/src/index.js b/website/src/index.js
index b1f47d8970..2440dde36f 100644
--- a/website/src/index.js
+++ b/website/src/index.js
@@ -9,13 +9,13 @@ var logger = require('./libs/api-v3/logger');
 // Initialize configuration
 var setupNconf = require('./libs/api-v3/setupNconf');
 setupNconf();
-var utils = require('./libs/utils');
-utils.setupConfig();
 
 var IS_PROD = nconf.get('IS_PROD');
 var IS_DEV = nconf.get('IS_DEV');
 var cores = Number(nconf.get('WEB_CONCURRENCY')) || 0;
 
+if (IS_DEV) Error.stackTraceLimit = Infinity;
+
 // Setup the cluster module
 if (cores !== 0 && cluster.isMaster && (IS_DEV || IS_PROD)) {
   // Fork workers. If config.json has CORES=x, use that - otherwise, use all cpus-1 (production)
diff --git a/website/src/libs/api-v2/analytics.js b/website/src/libs/api-v2/analytics.js
index dff60a358a..6c1ccd3020 100644
--- a/website/src/libs/api-v2/analytics.js
+++ b/website/src/libs/api-v2/analytics.js
@@ -1,7 +1,7 @@
-require('../i18n');
+require('./i18n');
 
 var _ = require('lodash');
-var Content = require('../../../common').content;
+var Content = require('../../../../common').content;
 var Amplitude = require('amplitude');
 var googleAnalytics = require('universal-analytics');
 
diff --git a/website/src/libs/buildManifest.js b/website/src/libs/api-v2/buildManifest.js
similarity index 91%
rename from website/src/libs/buildManifest.js
rename to website/src/libs/api-v2/buildManifest.js
index e2b337860f..458bd8ac1e 100644
--- a/website/src/libs/buildManifest.js
+++ b/website/src/libs/api-v2/buildManifest.js
@@ -2,7 +2,7 @@ var fs = require('fs');
 var path = require('path');
 var nconf = require('nconf');
 var _ = require('lodash');
-var manifestFiles = require("../../public/manifest.json");
+var manifestFiles = require("../../../public/manifest.json");
 
 var IS_PROD = nconf.get('NODE_ENV') === 'production';
 var buildFiles = [];
@@ -15,7 +15,7 @@ var walk = function(folder){
     if(fs.statSync(file).isDirectory()){
       walk(file);
     }else{
-      var relFolder = path.relative(path.join(__dirname, "/../../build"), folder);
+      var relFolder = path.relative(path.join(__dirname, "/../../../build"), folder);
       var old = fileName.replace(/-.{8}(\.[\d\w]+)$/, '$1');
 
       if(relFolder){
@@ -28,7 +28,7 @@ var walk = function(folder){
   });
 };
 
-walk(path.join(__dirname, "/../../build"));
+walk(path.join(__dirname, "/../../../build"));
 
 var getBuildUrl = module.exports.getBuildUrl = function(url){
   if(buildFiles[url]) return '/' + buildFiles[url];
diff --git a/website/src/libs/firebase.js b/website/src/libs/api-v2/firebase.js
similarity index 100%
rename from website/src/libs/firebase.js
rename to website/src/libs/api-v2/firebase.js
diff --git a/website/src/libs/i18n.js b/website/src/libs/api-v2/i18n.js
similarity index 96%
rename from website/src/libs/i18n.js
rename to website/src/libs/api-v2/i18n.js
index 335b4d5789..e8295deb03 100644
--- a/website/src/libs/i18n.js
+++ b/website/src/libs/api-v2/i18n.js
@@ -1,12 +1,12 @@
 var fs = require('fs'),
     path = require('path'),
     _ = require('lodash'),
-    User = require('../models/user').model,
+    User = require('../../models/user').model,
     accepts = require('accepts'),
-    shared = require('../../../common'),
+    shared = require('../../../../common'),
     translations = {};
 
-var localePath = path.join(__dirname, "/../../../common/locales/")
+var localePath = path.join(__dirname, "/../../../../common/locales/")
 
 var loadTranslations = function(locale){
   var files = fs.readdirSync(path.join(localePath, locale));
diff --git a/website/src/libs/utils.js b/website/src/libs/api-v2/utils.js
similarity index 100%
rename from website/src/libs/utils.js
rename to website/src/libs/api-v2/utils.js
diff --git a/website/src/libs/api-v3/analyticsService.js b/website/src/libs/api-v3/analyticsService.js
index 6e460097eb..81be37322e 100644
--- a/website/src/libs/api-v3/analyticsService.js
+++ b/website/src/libs/api-v3/analyticsService.js
@@ -10,7 +10,6 @@ import {
 import { content as Content } from '../../../../common';
 
 require('coffee-script');
-require('../../libs/i18n');
 
 const AMPLIUDE_TOKEN = nconf.get('AMPLITUDE_KEY');
 const GA_TOKEN = nconf.get('GA_ID');
diff --git a/website/src/libs/api-v3/buildManifest.js b/website/src/libs/api-v3/buildManifest.js
new file mode 100644
index 0000000000..94d6d49a2d
--- /dev/null
+++ b/website/src/libs/api-v3/buildManifest.js
@@ -0,0 +1,62 @@
+import fs from 'fs';
+import path from 'path';
+import nconf from 'nconf';
+
+const MANIFEST_FILE_PATH = path.join(__dirname, '/../../../public/manifest.json');
+const BUILD_FOLDER_PATH = path.join(__dirname, '/../../../build');
+let manifestFiles = require(MANIFEST_FILE_PATH);
+
+const IS_PROD = nconf.get('IS_PROD');
+let buildFiles = [];
+
+function _walk (folder) {
+  let files = fs.readdirSync(folder);
+
+  files.forEach((fileName) => {
+    let file = `${folder}/${fileName}`;
+
+    if (fs.statSync(file).isDirectory()) {
+      _walk(file);
+    } else {
+      let relFolder = path.relative(BUILD_FOLDER_PATH, folder);
+      let original = fileName.replace(/-.{8}(\.[\d\w]+)$/, '$1'); // Match the hash part of the filename
+
+      if (relFolder) {
+        original = `${relFolder}/${original}`;
+        fileName = `${relFolder}/${fileName}`;
+      }
+
+      buildFiles[original] = fileName;
+    }
+  });
+}
+
+// Walks through all the files in the build directory
+// and creates a map of original files names and hashed files names
+_walk(BUILD_FOLDER_PATH);
+
+export function getBuildUrl (url) {
+  return `/${buildFiles[url] || url}`;
+}
+
+export function getManifestFiles (page) {
+  let files = manifestFiles[page];
+
+  if (!files) throw new Error(`Page "${page}" not found!`);
+
+  let htmlCode = '';
+
+  if (IS_PROD) {
+    htmlCode += `<link rel="stylesheet" type="text/css" href="${getBuildUrl(page + '.css')}">`; // eslint-disable-line prefer-template
+    htmlCode += `<script type="text/javascript" src="${getBuildUrl(page + '.js')}"></script>`; // eslint-disable-line prefer-template
+  } else {
+    files.css.forEach((file) => {
+      htmlCode += `<link rel="stylesheet" type="text/css" href="${getBuildUrl(file)}">`;
+    });
+    files.js.forEach((file) => {
+      htmlCode += `<script type="text/javascript" src="${getBuildUrl(file)}"></script>`;
+    });
+  }
+
+  return htmlCode;
+}
\ No newline at end of file
diff --git a/website/src/libs/api-v3/email.js b/website/src/libs/api-v3/email.js
new file mode 100644
index 0000000000..65cbcce02a
--- /dev/null
+++ b/website/src/libs/api-v3/email.js
@@ -0,0 +1,158 @@
+import { createTransport } from 'nodemailer';
+import nconf from 'nconf';
+import logger from './logger';
+import { encrypt } from './encryption';
+import request from 'request';
+
+const IS_PROD = nconf.get('IS_PROD');
+const EMAIL_SERVER = {
+  url: nconf.get('EMAIL_SERVER:url'),
+  auth: {
+    user: nconf.get('EMAIL_SERVER:authUser'),
+    password: nconf.get('EMAIL_SERVER:authPassword'),
+  },
+};
+const BASE_URL = nconf.get('BASE_URL');
+
+let smtpTransporter = createTransport({
+  service: nconf.get('SMTP_SERVICE'),
+  auth: {
+    user: nconf.get('SMTP_USER'),
+    pass: nconf.get('SMTP_PASS'),
+  },
+});
+
+// Send email directly from the server using the smtpTransporter,
+// used only to send password reset emails because users unsubscribed on Mandrill wouldn't get them
+export function send (mailData) {
+  return smtpTransporter
+    .sendMail(mailData)
+    .catch((error) => logger.error(error));
+}
+
+export function getUserInfo (user, fields = []) {
+  let info = {};
+
+  if (fields.indexOf('name') !== -1) {
+    info.name = user.profile && user.profile.name;
+
+    if (!info.name) {
+      if (user.auth.local && user.auth.local.username) {
+        info.name = user.auth.local.username;
+      } else if (user.auth.facebook) {
+        info.name = user.auth.facebook.displayName || user.auth.facebook.username;
+      }
+    }
+  }
+
+  if (fields.indexOf('email') !== -1) {
+    if (user.auth.local && user.auth.local.email) {
+      info.email = user.auth.local.email;
+    } else if (user.auth.facebook && user.auth.facebook.emails && user.auth.facebook.emails[0] && user.auth.facebook.emails[0].value) {
+      info.email = user.auth.facebook.emails[0].value;
+    }
+  }
+
+  if (fields.indexOf('_id') !== -1) {
+    info._id = user._id;
+  }
+
+  if (fields.indexOf('canSend') !== -1) {
+    if (user.preferences && user.preferences.emailNotifications) {
+      info.canSend = user.preferences.emailNotifications.unsubscribeFromAll !== true;
+    }
+  }
+
+  return info;
+}
+
+// Send a transactional email using Mandrill through the external email server
+export function sendTxn (mailingInfoArray, emailType, variables, personalVariables) {
+  mailingInfoArray = Array.isArray(mailingInfoArray) ? mailingInfoArray : [mailingInfoArray];
+
+  variables = [
+    {name: 'BASE_URL', content: BASE_URL},
+  ].concat(variables || []);
+
+  // It's important to pass at least a user with its `preferences` as we need to check if he unsubscribed
+  mailingInfoArray = mailingInfoArray.map((mailingInfo) => {
+    return mailingInfo._id ? getUserInfo(mailingInfo, ['_id', 'email', 'name', 'canSend']) : mailingInfo;
+  }).filter((mailingInfo) => {
+    // Always send reset-password emails
+    // Don't check canSend for non registered users as already checked before
+    return mailingInfo.email && (!mailingInfo._id || mailingInfo.canSend || emailType === 'reset-password');
+  });
+
+  // Personal variables are personal to each email recipient, if they are missing
+  // we manually create a structure for them with RECIPIENT_NAME and RECIPIENT_UNSUB_URL
+  // otherwise we just add RECIPIENT_NAME and RECIPIENT_UNSUB_URL to the existing personal variables
+  if (!personalVariables || personalVariables.length === 0) {
+    personalVariables = mailingInfoArray.map((mailingInfo) => {
+      return {
+        rcpt: mailingInfo.email,
+        vars: [
+          {
+            name: 'RECIPIENT_NAME',
+            content: mailingInfo.name,
+          },
+          {
+            name: 'RECIPIENT_UNSUB_URL',
+            content: `/unsubscribe?code=${encrypt(JSON.stringify({
+              _id: mailingInfo._id,
+              email: mailingInfo.email,
+            }))}`,
+          },
+        ],
+      };
+    });
+  } else {
+    let temporaryPersonalVariables = {};
+
+    mailingInfoArray.forEach((mailingInfo) => {
+      temporaryPersonalVariables[mailingInfo.email] = {
+        name: mailingInfo.name,
+        _id: mailingInfo._id,
+      };
+    });
+
+    personalVariables.forEach((singlePersonalVariables) => {
+      singlePersonalVariables.vars.push(
+        {
+          name: 'RECIPIENT_NAME',
+          content: temporaryPersonalVariables[singlePersonalVariables.rcpt].name,
+        },
+        {
+          name: 'RECIPIENT_UNSUB_URL',
+          content: `/unsubscribe?code=${encrypt(JSON.stringify({
+            _id: temporaryPersonalVariables[singlePersonalVariables.rcpt]._id,
+            email: singlePersonalVariables.rcpt,
+          }))}`,
+        }
+      );
+    });
+  }
+
+  if (IS_PROD && mailingInfoArray.length > 0) {
+    request.post({
+      url: `${EMAIL_SERVER.url}/job`,
+      auth: {
+        user: EMAIL_SERVER.auth.user,
+        pass: EMAIL_SERVER.auth.password,
+      },
+      json: {
+        type: 'email',
+        data: {
+          emailType,
+          to: mailingInfoArray,
+          variables,
+          personalVariables,
+        },
+        options: {
+          priority: 'high',
+          attempts: 5,
+          backoff: {delay: 10 * 60 * 1000, type: 'fixed'},
+        },
+      },
+    }, (err) => logger.error(err));
+  }
+}
diff --git a/website/src/libs/api-v3/encryption.js b/website/src/libs/api-v3/encryption.js
new file mode 100644
index 0000000000..0f5f9d83dd
--- /dev/null
+++ b/website/src/libs/api-v3/encryption.js
@@ -0,0 +1,25 @@
+import {
+  createCipher,
+  createDecipher,
+} from 'crypto';
+import nconf from 'nconf';
+
+// TODO check this is secure
+const algorithm = 'aes-256-ctr';
+const SESSION_SECRET = nconf.get('SESSION_SECRET');
+
+export function encrypt (text) {
+  let cipher = createCipher(algorithm,  SESSION_SECRET);
+  let crypted = cipher.update(text, 'utf8', 'hex');
+
+  crypted += cipher.final('hex');
+  return crypted;
+}
+
+export function decrypt (text) {
+  let decipher = createDecipher(algorithm, SESSION_SECRET);
+  let dec = decipher.update(text, 'hex', 'utf8');
+
+  dec += decipher.final('utf8');
+  return dec;
+}
\ No newline at end of file
diff --git a/website/src/libs/api-v3/firebase.js b/website/src/libs/api-v3/firebase.js
new file mode 100644
index 0000000000..92d6c28fc1
--- /dev/null
+++ b/website/src/libs/api-v3/firebase.js
@@ -0,0 +1,67 @@
+import Firebase from 'firebase';
+import nconf from 'nconf';
+const FIREBASE_CONFIG = nconf.get('FIREBASE');
+const FIREBASE_ENABLED = FIREBASE_CONFIG.ENABLED === 'true';
+
+let firebaseRef;
+
+if (FIREBASE_ENABLED) {
+  firebaseRef = new Firebase(`https://${FIREBASE_CONFIG.APP}.firebaseio.com`);
+
+  // TODO what happens if an op is sent before client is authenticated?
+  firebaseRef.authWithCustomToken(FIREBASE_CONFIG.SECRET, (err) => {
+    // TODO it's ok to kill the server here? what if FB is offline?
+    if (err) throw new Error('Impossible to authenticate Firebase');
+  });
+}
+
+export function updateGroupData (group) {
+  if (!FIREBASE_ENABLED) return;
+  // TODO is throw ok? we don't have callbacks
+  if (!group) throw new Error('group obj is required.');
+  // Return in case of tavern (comparison working because we use string for _id)
+  if (group._id === 'habitrpg') return;
+
+  firebaseRef.child(`rooms/${group._id}`)
+    .set({
+      name: group.name,
+    });
+}
+
+export function addUserToGroup (groupId, userId) {
+  if (!FIREBASE_ENABLED) return;
+  if (!userId || !groupId) throw new Error('groupId, userId are required.');
+  if (groupId === 'habitrpg') return;
+
+  firebaseRef.child(`members/${groupId}/${userId}`).set(true);
+  firebaseRef.child(`users/${userId}/rooms/${groupId}`).set(true);
+}
+
+export function removeUserFromGroup (groupId, userId) {
+  if (!FIREBASE_ENABLED) return;
+  if (!userId || !groupId) throw new Error('groupId, userId are required.');
+  if (groupId === 'habitrpg') return;
+
+  firebaseRef.child(`members/${groupId}/${userId}`).remove();
+  firebaseRef.child(`users/${userId}/rooms/${groupId}`).remove();
+}
+
+export function deleteGroup (groupId) {
+  if (!FIREBASE_ENABLED) return;
+  if (!groupId) throw new Error('groupId is required.');
+  if (groupId === 'habitrpg') return;
+
+  firebaseRef.child(`members/${groupId}`).remove();
+  // FIXME not really necessary as long as we only store room data,
+  // as empty objects are automatically deleted (/members/... in future...)
+  firebaseRef.child(`rooms/${groupId}`).remove();
+}
+
+// FIXME not really necessary as long as we only store room data,
+// as empty objects are automatically deleted
+export function deleteUser (userId) {
+  if (!FIREBASE_ENABLED) return;
+  if (!userId) throw new Error('userId is required.');
+
+  firebaseRef.child(`users/${userId}`).remove();
+}
\ No newline at end of file
diff --git a/website/src/libs/api-v3/i18n.js b/website/src/libs/api-v3/i18n.js
new file mode 100644
index 0000000000..ed2134f7bf
--- /dev/null
+++ b/website/src/libs/api-v3/i18n.js
@@ -0,0 +1,118 @@
+import fs from 'fs';
+import path from 'path';
+import _ from 'lodash';
+import shared from '../../../../common';
+
+export const localePath = path.join(__dirname, '/../../../../common/locales/');
+
+// Store translations
+export let translations = {};
+// Store MomentJS localization files
+export let momentLangs = {};
+
+// Handle differencies in language codes between MomentJS and /locales
+let momentLangsMapping = {
+  en: 'en-gb',
+  en_GB: 'en-gb', // eslint-disable-line camelcase
+  no: 'nn',
+  zh: 'zh-cn',
+  es_419: 'es', // eslint-disable-line camelcase
+};
+
+function _loadTranslations (locale) {
+  let files = fs.readdirSync(path.join(localePath, locale));
+
+  translations[locale] = {};
+
+  files.forEach((file) => {
+    if (path.extname(file) !== '.json') return;
+
+    // We use require to load and parse a JSON file
+    _.merge(translations[locale], require(path.join(localePath, locale, file))); // eslint-disable-line global-require
+  });
+}
+
+// First fetch English strings so we can merge them with missing strings in other languages
+_loadTranslations('en');
+
+// Then load all other languages
+fs.readdirSync(localePath).forEach((file) => {
+  if (file === 'en' || fs.statSync(path.join(localePath, file)).isDirectory() === false) return;
+  _loadTranslations(file);
+
+  // Merge missing strings from english
+  _.defaults(translations[file], translations.en);
+});
+
+// Add translations to shared
+shared.i18n.translations = translations;
+
+export let langCodes = Object.keys(translations);
+
+export let avalaibleLanguages = langCodes.map((langCode) => {
+  return {
+    code: langCode,
+    name: translations[langCode].languageName,
+  };
+});
+
+langCodes.forEach((code) => {
+  let lang = _.find(avalaibleLanguages, {code});
+
+  lang.momentLangCode = momentLangsMapping[code] || code;
+
+  try {
+    // MomentJS lang files are JS files that has to be executed in the browser so we load them as plain text files
+    // We wrap everything in a try catch because the file might not exist
+    let f = fs.readFileSync(path.join(__dirname, `/../../../node_modules/moment/locale/${lang.momentLangCode}.js`), 'utf8');
+
+    momentLangs[code] = f;
+  } catch (e) { // eslint-disable-lint no-empty
+    // TODO implement some type of error loggin?
+    // The catch block is mandatory so can't be removed
+  }
+});
+
+// Remove en_GB from langCodes checked by browser to avoid it being
+// used in place of plain original 'en' (it's an optional language that can be enabled only in setting)
+export let defaultLangCodes = _.without(langCodes, 'en_GB');
+
+// A map of languages that have different versions and the relative versions
+export let multipleVersionsLanguages = {
+  es: {
+    'es-419': 'es_419',
+    'es-mx': 'es_419',
+    'es-gt': 'es_419',
+    'es-cr': 'es_419',
+    'es-pa': 'es_419',
+    'es-do': 'es_419',
+    'es-ve': 'es_419',
+    'es-co': 'es_419',
+    'es-pe': 'es_419',
+    'es-ar': 'es_419',
+    'es-ec': 'es_419',
+    'es-cl': 'es_419',
+    'es-uy': 'es_419',
+    'es-py': 'es_419',
+    'es-bo': 'es_419',
+    'es-sv': 'es_419',
+    'es-hn': 'es_419',
+    'es-ni': 'es_419',
+    'es-pr': 'es_419',
+  },
+  zh: {
+    'zh-tw': 'zh_TW',
+  },
+};
+
+// Export en strings only, temporary solution for mobile
+// This is copied from middlewares/locals#t()
+// TODO review if this can be removed since the old mobile app is no longer active
+// stringName and vars are the allowed parameters
+export function enTranslations (...args) {
+  let language = _.find(avalaibleLanguages, {code: 'en'});
+
+  // language.momentLang = ((!isStaticPage && i18n.momentLangs[language.code]) || undefined);
+  args.push(language.code);
+  return shared.i18n.t(...args);
+}
diff --git a/website/src/libs/api-v3/logger.js b/website/src/libs/api-v3/logger.js
index 4583610d25..3ab20ad685 100644
--- a/website/src/libs/api-v3/logger.js
+++ b/website/src/libs/api-v3/logger.js
@@ -12,7 +12,9 @@ if (IS_PROD) {
   // log errors to console too
 } else {
   logger
-    .add(winston.transports.Console);
+    .add(winston.transports.Console, {
+      colorize: true,
+    });
 }
 
 export default logger;
diff --git a/website/src/middlewares/domain.js b/website/src/middlewares/api-v2/domain.js
similarity index 100%
rename from website/src/middlewares/domain.js
rename to website/src/middlewares/api-v2/domain.js
diff --git a/website/src/middlewares/errorHandler.js b/website/src/middlewares/api-v2/errorHandler.js
similarity index 100%
rename from website/src/middlewares/errorHandler.js
rename to website/src/middlewares/api-v2/errorHandler.js
diff --git a/website/src/middlewares/api-v3/domain.js b/website/src/middlewares/api-v3/domain.js
new file mode 100644
index 0000000000..63272381da
--- /dev/null
+++ b/website/src/middlewares/api-v3/domain.js
@@ -0,0 +1,16 @@
+// TODO in api-v2 this module also checked memory usage every x minutes and
+// threw an error in case of low memory avalible (possible memory leak)
+// it's yet to be decided whether to keep it or not
+import domainMiddleware from 'domain-middleware';
+
+export default function implementDomainMiddleware (server, mongoose) {
+  return domainMiddleware({
+    server: {
+      close () {
+        server.close();
+        mongoose.connection.close();
+      },
+    },
+    killTimeout: 10000,
+  });
+}
\ No newline at end of file
diff --git a/website/src/middlewares/api-v3/getUserLanguage.js b/website/src/middlewares/api-v3/getUserLanguage.js
new file mode 100644
index 0000000000..234a78a29c
--- /dev/null
+++ b/website/src/middlewares/api-v3/getUserLanguage.js
@@ -0,0 +1,79 @@
+import { model as User } from '../../models/user';
+import accepts from 'accepts';
+import _ from 'lodash';
+import {
+  translations,
+  defaultLangCodes,
+  multipleVersionsLanguages,
+} from '../../libs/api-v3/i18n';
+
+function _getUniqueListOfLanguages (languages) {
+  let acceptableLanguages = _(languages).map((lang) => {
+    return lang.slice(0, 2);
+  }).uniq().value();
+
+  let uniqueListOfLanguages = _.intersection(acceptableLanguages, defaultLangCodes);
+
+  return uniqueListOfLanguages;
+}
+
+function _checkForApplicableLanguageVariant (originalLanguageOptions) {
+  let languageVariant = _.find(originalLanguageOptions, (accepted) => {
+    let trimmedAccepted = accepted.slice(0, 2);
+
+    return multipleVersionsLanguages[trimmedAccepted];
+  });
+
+  return languageVariant;
+}
+
+function _getFromBrowser (req) {
+  let originalLanguageOptions = accepts(req).languages();
+  let uniqueListOfLanguages = _getUniqueListOfLanguages(originalLanguageOptions);
+  let baseLanguage = (uniqueListOfLanguages[0] || '').toLowerCase();
+  let languageMapping = multipleVersionsLanguages[baseLanguage];
+
+  if (languageMapping) {
+    let languageVariant = _checkForApplicableLanguageVariant(originalLanguageOptions);
+
+    if (languageVariant) {
+      languageVariant = languageVariant.toLowerCase();
+    } else {
+      return 'en';
+    }
+
+    return languageMapping[languageVariant] || baseLanguage;
+  } else {
+    return baseLanguage || 'en';
+  }
+}
+
+function _getFromUser (user, req) {
+  let preferredLang = user && user.preferences && user.preferences.language;
+  let lang = translations[preferredLang] ? preferredLang : _getFromBrowser(req);
+
+  return lang;
+}
+
+export default function getUserLanguage (req, res, next) {
+  if (req.query.lang) { // In case the language is specified in the request url, use it
+    req.language = translations[req.query.lang] ? req.query.lang : 'en';
+    return next();
+  } else if (req.locals && req.locals.user) { // If the request is authenticated, use the user's preferred language
+    req.language = _getFromUser(req.locals.user, req);
+    return next();
+  } else if (req.session && req.session.userId) { // Same thing if the user has a valid session
+    User.findOne({
+      _id: req.session.userId,
+    }, 'preferences.language')
+    .exec()
+    .then((user) => {
+      req.language = _getFromUser(user, req);
+      return next();
+    })
+    .catch(next);
+  } else { // Otherwise get from browser
+    req.language = _getFromUser(null, req);
+    return next();
+  }
+}
diff --git a/website/src/middlewares/locals.js b/website/src/middlewares/locals.js
index 2f238a6a99..223186a81a 100644
--- a/website/src/middlewares/locals.js
+++ b/website/src/middlewares/locals.js
@@ -1,9 +1,9 @@
 var nconf = require('nconf');
 var _ = require('lodash');
-var utils = require('../libs/utils');
+var utils = require('../libs/api-v2/utils');
 var shared = require('../../../common');
-var i18n = require('../libs/i18n');
-var buildManifest = require('../libs/buildManifest');
+var i18n = require('../libs/api-v2/i18n');
+var buildManifest = require('../libs/api-v2/buildManifest');
 var shared = require('../../../common');
 var forceRefresh = require('./forceRefresh');
 var tavernQuest = require('../models/group').tavernQuest;
diff --git a/website/src/models/group.js b/website/src/models/group.js
index b2da0011d7..0d3011cc38 100644
--- a/website/src/models/group.js
+++ b/website/src/models/group.js
@@ -6,7 +6,7 @@ var _ = require('lodash');
 var async = require('async');
 var logging = require('../libs/api-v2/logging');
 var Challenge = require('./../models/challenge').model;
-var firebase = require('../libs/firebase');
+var firebase = require('../libs/api-v2/firebase');
 
 // NOTE any change to groups' members in MongoDB will have to be run through the API
 // changes made directly to the db will cause Firebase to get out of sync
diff --git a/website/src/routes/api-v2/auth.js b/website/src/routes/api-v2/auth.js
index c60f44547b..d76891e40d 100644
--- a/website/src/routes/api-v2/auth.js
+++ b/website/src/routes/api-v2/auth.js
@@ -1,6 +1,6 @@
 var auth = require('../../controllers/api-v2/auth');
 var express = require('express');
-var i18n = require('../../libs/i18n');
+var i18n = require('../../libs/api-v2/i18n');
 var router = new express.Router();
 
 /* auth.auth*/
diff --git a/website/src/routes/api-v2/coupon.js b/website/src/routes/api-v2/coupon.js
index 811d81a6f2..132184a585 100644
--- a/website/src/routes/api-v2/coupon.js
+++ b/website/src/routes/api-v2/coupon.js
@@ -3,7 +3,7 @@ var express = require('express');
 var router = new express.Router();
 var auth = require('../../controllers/api-v2/auth');
 var coupon = require('../../controllers/api-v2/coupon');
-var i18n = require('../../libs/i18n');
+var i18n = require('../../libs/api-v2/i18n');
 
 router.get('/api/v2/coupons', auth.authWithUrl, i18n.getUserLanguage, coupon.ensureAdmin, coupon.getCoupons);
 router.post('/api/v2/coupons/generate/:event', auth.auth, i18n.getUserLanguage, coupon.ensureAdmin, coupon.generateCoupons);
diff --git a/website/src/routes/api-v2/swagger.js b/website/src/routes/api-v2/swagger.js
index a1500ac39a..f167884245 100644
--- a/website/src/routes/api-v2/swagger.js
+++ b/website/src/routes/api-v2/swagger.js
@@ -18,7 +18,7 @@ var nconf = require("nconf");
 var cron = user.cron;
 var _ = require('lodash');
 var content = require('../../../../common').content;
-var i18n = require('../../libs/i18n');
+var i18n = require('../../libs/api-v2/i18n');
 var forceRefresh = require('../../middlewares/forceRefresh').middleware;
 
 module.exports = function(swagger, v2) {
diff --git a/website/src/routes/api-v2/unsubscription.js b/website/src/routes/api-v2/unsubscription.js
index 942a396eef..3b31305b5a 100644
--- a/website/src/routes/api-v2/unsubscription.js
+++ b/website/src/routes/api-v2/unsubscription.js
@@ -1,6 +1,6 @@
 var express = require('express');
 var router = new express.Router();
-var i18n = require('../../libs/i18n');
+var i18n = require('../../libs/api-v2/i18n');
 var unsubscription = require('../../controllers/api-v2/unsubscription');
 
 router.get('/unsubscribe', i18n.getUserLanguage, unsubscription.unsubscribe);
diff --git a/website/src/routes/dataexport.js b/website/src/routes/dataexport.js
index 5bf02a228c..d7328434a0 100644
--- a/website/src/routes/dataexport.js
+++ b/website/src/routes/dataexport.js
@@ -3,7 +3,7 @@ var router = new express.Router();
 var dataexport = require('../controllers/dataexport');
 var auth = require('../controllers/api-v2/auth');
 var nconf = require('nconf');
-var i18n = require('../libs/i18n');
+var i18n = require('../libs/api-v2/i18n');
 var locals = require('../middlewares/locals');
 
 /* Data export */
diff --git a/website/src/routes/pages.js b/website/src/routes/pages.js
index 27bc9a3619..7c847722e7 100644
--- a/website/src/routes/pages.js
+++ b/website/src/routes/pages.js
@@ -3,7 +3,7 @@ var express = require('express');
 var router = new express.Router();
 var _ = require('lodash');
 var locals = require('../middlewares/locals');
-var i18n = require('../libs/i18n');
+var i18n = require('../libs/api-v2/i18n');
 
 // -------- App --------
 router.get('/', i18n.getUserLanguage, locals, function(req, res) {
diff --git a/website/src/routes/payments.js b/website/src/routes/payments.js
index 41c03210be..4989b113a1 100644
--- a/website/src/routes/payments.js
+++ b/website/src/routes/payments.js
@@ -3,7 +3,7 @@ var express = require('express');
 var router = new express.Router();
 var auth = require('../controllers/api-v2/auth');
 var payments = require('../controllers/payments');
-var i18n = require('../libs/i18n');
+var i18n = require('../libs/api-v2/i18n');
 
 router.get('/paypal/checkout', auth.authWithUrl, i18n.getUserLanguage, payments.paypalCheckout);
 router.get('/paypal/checkout/success', i18n.getUserLanguage, payments.paypalCheckoutSuccess);
diff --git a/website/src/server.js b/website/src/server.js
index 2562c9bb87..1142f27539 100644
--- a/website/src/server.js
+++ b/website/src/server.js
@@ -2,7 +2,6 @@
 
 import nconf from 'nconf';
 import logger from './libs/api-v3/logger';
-import utils from './libs/utils';
 import express from 'express';
 import http from 'http';
 // import path from 'path';
@@ -13,11 +12,11 @@ import passport from 'passport';
 import passportFacebook from 'passport-facebook';
 import mongoose from 'mongoose';
 import Q from 'q';
+import domainMiddleware from './middlewares/api-v3/domain';
 import attachMiddlewares from './middlewares/api-v3/index';
-utils.setupConfig();
 
 // Setup translations
-// let i18n = require('./libs/i18n');
+// let i18n = require('./libs/api-v2/i18n');
 
 const IS_PROD = nconf.get('IS_PROD');
 // const IS_DEV = nconf.get('IS_DEV');
@@ -42,7 +41,7 @@ let db = mongoose.connect(nconf.get('NODE_DB_URI'), mongooseOptions, (err) => {
 
 autoinc.init(db);
 
-import './libs/firebase';
+import './libs/api-v3/firebase';
 
 // load schemas & models
 import './models/challenge';
@@ -84,6 +83,7 @@ app.set('port', nconf.get('PORT'));
 let oldApp = express(); // api v1 and v2, and not scoped routes
 let newApp = express(); // api v3
 
+app.use(domainMiddleware(server, mongoose));
 // Route requests to the right app
 // Matches all request except the ones going to /api/v3/**
 app.all(/^(?!\/api\/v3).+/i, oldApp);
@@ -95,7 +95,7 @@ attachMiddlewares(newApp);
 
 /* OLD APP IS DISABLED UNTIL COMPATIBLE WITH NEW MODELS
 //require('./middlewares/apiThrottle')(oldApp);
-oldApp.use(require('./middlewares/domain')(server,mongoose));
+oldApp.use(require('./middlewares/api-v2/domain')(server,mongoose));
 if (!IS_PROD && !DISABLE_LOGGING) oldApp.use(require('morgan')("dev"));
 oldApp.use(require('compression')());
 oldApp.set("views", __dirname + "/../views");
@@ -153,7 +153,7 @@ oldApp.use('/common/script/public', express['static'](publicDir + "/../../common
 oldApp.use('/common/img', express['static'](publicDir + "/../../common/img", { maxAge: maxAge }));
 oldApp.use(express['static'](publicDir));
 
-oldApp.use(require('./middlewares/errorHandler'));
+oldApp.use(require('./middlewares/api-v2/errorHandler'));
 */
 
 server.on('request', app);