import stripeModule from 'stripe';
import nconf from 'nconf';
import common from '../../../../../../website/common';
import * as subscriptions from '../../../../../../website/server/libs/payments/stripe/subscriptions';
import * as oneTimePayments from '../../../../../../website/server/libs/payments/stripe/oneTimePayments';
import {
  createCheckoutSession,
  createEditCardCheckoutSession,
} from '../../../../../../website/server/libs/payments/stripe/checkout';
import {
  generateGroup,
} from '../../../../../helpers/api-unit.helper';
import { model as User } from '../../../../../../website/server/models/user';
import { model as Group } from '../../../../../../website/server/models/group';
import * as gems from '../../../../../../website/server/libs/payments/gems';

const { i18n } = common;

describe('Stripe - Checkout', () => {
  const stripe = stripeModule('test');
  const BASE_URL = nconf.get('BASE_URL');
  const redirectUrls = {
    success_url: `${BASE_URL}/redirect/stripe-success-checkout`,
    cancel_url: `${BASE_URL}/redirect/stripe-error-checkout`,
  };

  describe('createCheckoutSession', () => {
    let user;
    const sessionId = 'session-id';

    beforeEach(() => {
      user = new User();
      sandbox.stub(stripe.checkout.sessions, 'create').returns(sessionId);
      sandbox.stub(gems, 'validateGiftMessage');
    });

    it('gems', async () => {
      const amount = 999;
      const gemsBlockKey = '21gems';
      sandbox.stub(oneTimePayments, 'getOneTimePaymentInfo').returns({
        amount,
        gemsBlock: common.content.gems[gemsBlockKey],
      });

      const res = await createCheckoutSession({ user, gemsBlock: gemsBlockKey }, stripe);
      expect(res).to.equal(sessionId);

      const metadata = {
        type: 'gems',
        userId: user._id,
        gift: undefined,
        sub: undefined,
        gemsBlock: gemsBlockKey,
        server_url: BASE_URL,
      };

      expect(gems.validateGiftMessage).to.not.be.called;
      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledOnce;
      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledWith(gemsBlockKey, undefined, user);
      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        payment_method_types: ['card'],
        metadata,
        line_items: [{
          price_data: {
            product_data: {
              name: common.i18n.t('nGems', { nGems: 21 }),
            },
            unit_amount: amount,
            currency: 'usd',
          },
          quantity: 1,
        }],
        mode: 'payment',
        ...redirectUrls,
      });
    });

    it('gems gift', async () => {
      const receivingUser = new User();
      await receivingUser.save();

      const gift = {
        type: 'gems',
        uuid: receivingUser._id,
        gems: {
          amount: 4,
        },
      };
      const amount = 100;
      sandbox.stub(oneTimePayments, 'getOneTimePaymentInfo').returns({
        amount,
        gemsBlock: null,
      });

      const res = await createCheckoutSession({ user, gift }, stripe);
      expect(res).to.equal(sessionId);

      const metadata = {
        type: 'gift-gems',
        userId: user._id,
        gift: JSON.stringify(gift),
        sub: undefined,
        gemsBlock: undefined,
        server_url: BASE_URL,
      };

      expect(gems.validateGiftMessage).to.be.calledOnce;
      expect(gems.validateGiftMessage).to.be.calledWith(gift, user);

      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledOnce;
      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledWith(undefined, gift, user);
      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        payment_method_types: ['card'],
        metadata,
        line_items: [{
          price_data: {
            product_data: {
              name: common.i18n.t('nGemsGift', { nGems: 4 }),
            },
            unit_amount: amount,
            currency: 'usd',
          },
          quantity: 1,
        }],
        mode: 'payment',
        ...redirectUrls,
      });
    });

    it('subscription gift', async () => {
      const receivingUser = new User();
      await receivingUser.save();
      const subKey = 'basic_3mo';

      const gift = {
        type: 'subscription',
        uuid: receivingUser._id,
        subscription: {
          key: subKey,
        },
      };
      const amount = 1500;
      sandbox.stub(oneTimePayments, 'getOneTimePaymentInfo').returns({
        amount,
        gemsBlock: null,
        subscription: common.content.subscriptionBlocks[subKey],
      });

      const res = await createCheckoutSession({ user, gift }, stripe);
      expect(res).to.equal(sessionId);

      const metadata = {
        type: 'gift-sub',
        userId: user._id,
        gift: JSON.stringify(gift),
        sub: undefined,
        gemsBlock: undefined,
        server_url: BASE_URL,
      };

      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledOnce;
      expect(oneTimePayments.getOneTimePaymentInfo).to.be.calledWith(undefined, gift, user);
      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        payment_method_types: ['card'],
        metadata,
        line_items: [{
          price_data: {
            product_data: {
              name: common.i18n.t('nMonthsSubscriptionGift', { nMonths: 3 }),
            },
            unit_amount: amount,
            currency: 'usd',
          },
          quantity: 1,
        }],
        mode: 'payment',
        ...redirectUrls,
      });
    });

    it('subscription', async () => {
      const subKey = 'basic_3mo';
      const coupon = null;
      sandbox.stub(subscriptions, 'checkSubData').returns(undefined);
      const sub = common.content.subscriptionBlocks[subKey];

      const res = await createCheckoutSession({ user, sub, coupon }, stripe);
      expect(res).to.equal(sessionId);

      const metadata = {
        type: 'subscription',
        userId: user._id,
        gift: undefined,
        sub: JSON.stringify(sub),
        server_url: BASE_URL,
      };

      expect(subscriptions.checkSubData).to.be.calledOnce;
      expect(subscriptions.checkSubData).to.be.calledWith(sub, false, coupon);
      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        payment_method_types: ['card'],
        metadata,
        line_items: [{
          price: sub.key,
          quantity: 1,
          // @TODO proper copy
        }],
        mode: 'subscription',
        ...redirectUrls,
      });
    });

    it('throws if group does not exists', async () => {
      const groupId = 'invalid';
      sandbox.stub(Group.prototype, 'getMemberCount').resolves(4);

      const subKey = 'group_monthly';
      const coupon = null;
      const sub = common.content.subscriptionBlocks[subKey];

      await expect(createCheckoutSession({
        user, sub, coupon, groupId,
      }, stripe))
        .to.eventually.be.rejected.and.to.eql({
          httpCode: 404,
          name: 'NotFound',
          message: i18n.t('groupNotFound'),
        });
    });

    it('group plan', async () => {
      const group = generateGroup({
        name: 'test group',
        type: 'guild',
        privacy: 'public',
        leader: user._id,
      });
      const groupId = group._id;
      await group.save();
      sandbox.stub(Group.prototype, 'getMemberCount').resolves(4);

      // Add user to group
      user.guilds.push(groupId);
      await user.save();

      const subKey = 'group_monthly';
      const coupon = null;
      sandbox.stub(subscriptions, 'checkSubData').returns(undefined);
      const sub = common.content.subscriptionBlocks[subKey];

      const res = await createCheckoutSession({
        user, sub, coupon, groupId,
      }, stripe);
      expect(res).to.equal(sessionId);

      const metadata = {
        type: 'subscription',
        userId: user._id,
        gift: undefined,
        sub: JSON.stringify(sub),
        server_url: BASE_URL,
        groupId,
      };

      expect(Group.prototype.getMemberCount).to.be.calledOnce;
      expect(subscriptions.checkSubData).to.be.calledOnce;
      expect(subscriptions.checkSubData).to.be.calledWith(sub, true, coupon);
      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        payment_method_types: ['card'],
        metadata,
        line_items: [{
          price: sub.key,
          quantity: 6,
          // @TODO proper copy
        }],
        mode: 'subscription',
        ...redirectUrls,
      });
    });

    // no gift, sub or gem payment
    it('throws if type is invalid', async () => {
      await expect(createCheckoutSession({ user }, stripe))
        .to.eventually.be.rejected;
    });
  });

  describe('createEditCardCheckoutSession', () => {
    let user;
    const sessionId = 'session-id';
    const customerId = 'customerId';
    const subscriptionId = 'subscription-id';
    let subscriptionsListStub;

    beforeEach(() => {
      user = new User();
      sandbox.stub(stripe.checkout.sessions, 'create').returns(sessionId);
      subscriptionsListStub = sandbox.stub(stripe.subscriptions, 'list');
      subscriptionsListStub.resolves({ data: [{ id: subscriptionId }] });
    });

    it('throws if no valid data is supplied', async () => {
      await expect(createEditCardCheckoutSession({}, stripe))
        .to.eventually.be.rejected;
    });

    it('throws if customer does not exists', async () => {
      await expect(createEditCardCheckoutSession({ user }, stripe))
        .to.eventually.be.rejected.and.to.eql({
          httpCode: 401,
          name: 'NotAuthorized',
          message: i18n.t('missingSubscription'),
        });
    });

    it('throws if subscription does not exists', async () => {
      user.purchased.plan.customerId = customerId;
      subscriptionsListStub.resolves({ data: [] });

      await expect(createEditCardCheckoutSession({ user }, stripe))
        .to.eventually.be.rejected.and.to.eql({
          httpCode: 401,
          name: 'NotAuthorized',
          message: i18n.t('missingSubscription'),
        });
    });
    it('change card for user subscription', async () => {
      user.purchased.plan.customerId = customerId;

      const metadata = {
        type: 'edit-card-user',
        userId: user._id,
        server_url: BASE_URL,
      };

      const res = await createEditCardCheckoutSession({ user }, stripe);
      expect(res).to.equal(sessionId);
      expect(subscriptionsListStub).to.be.calledOnce;
      expect(subscriptionsListStub).to.be.calledWith({ customer: customerId });

      expect(stripe.checkout.sessions.create).to.be.calledOnce;
      expect(stripe.checkout.sessions.create).to.be.calledWith({
        mode: 'setup',
        payment_method_types: ['card'],
        metadata,
        customer: customerId,
        setup_intent_data: {
          metadata: {
            customer_id: customerId,
            subscription_id: subscriptionId,
          },
        },
        ...redirectUrls,
      });
    });

    it('throws if group does not exists', async () => {
      const groupId = 'invalid';

      await expect(createEditCardCheckoutSession({ user, groupId }, stripe))
        .to.eventually.be.rejected.and.to.eql({
          httpCode: 404,
          name: 'NotFound',
          message: i18n.t('groupNotFound'),
        });
    });

    describe('with group', () => {
      let group; let groupId;
      beforeEach(async () => {
        group = generateGroup({
          name: 'test group',
          type: 'guild',
          privacy: 'public',
          leader: user._id,
        });
        groupId = group._id;
        await group.save();
      });

      it('throws if user is not allowed to change group plan', async () => {
        const anotherUser = new User();
        anotherUser.guilds.push(groupId);
        await anotherUser.save();

        await expect(createEditCardCheckoutSession({ user: anotherUser, groupId }, stripe))
          .to.eventually.be.rejected.and.to.eql({
            httpCode: 401,
            name: 'NotAuthorized',
            message: i18n.t('onlyGroupLeaderCanManageSubscription'),
          });
      });

      it('throws if customer does not exists (group)', async () => {
        await expect(createEditCardCheckoutSession({ user, groupId }, stripe))
          .to.eventually.be.rejected.and.to.eql({
            httpCode: 401,
            name: 'NotAuthorized',
            message: i18n.t('missingSubscription'),
          });
      });

      it('throws if subscription does not exists (group)', async () => {
        group.purchased.plan.customerId = customerId;
        subscriptionsListStub.resolves({ data: [] });

        await expect(createEditCardCheckoutSession({ user, groupId }, stripe))
          .to.eventually.be.rejected.and.to.eql({
            httpCode: 401,
            name: 'NotAuthorized',
            message: i18n.t('missingSubscription'),
          });
      });

      it('change card for group plans - leader', async () => {
        group.purchased.plan.customerId = customerId;
        await group.save();

        const metadata = {
          userId: user._id,
          type: 'edit-card-group',
          server_url: BASE_URL,
          groupId,
        };

        const res = await createEditCardCheckoutSession({ user, groupId }, stripe);
        expect(res).to.equal(sessionId);
        expect(subscriptionsListStub).to.be.calledOnce;
        expect(subscriptionsListStub).to.be.calledWith({ customer: customerId });

        expect(stripe.checkout.sessions.create).to.be.calledOnce;
        expect(stripe.checkout.sessions.create).to.be.calledWith({
          mode: 'setup',
          payment_method_types: ['card'],
          metadata,
          customer: customerId,
          setup_intent_data: {
            metadata: {
              customer_id: customerId,
              subscription_id: subscriptionId,
            },
          },
          ...redirectUrls,
        });
      });

      it('change card for group plans - plan owner', async () => {
        const anotherUser = new User();
        anotherUser.guilds.push(groupId);
        await anotherUser.save();

        group.purchased.plan.customerId = customerId;
        group.purchased.plan.owner = anotherUser._id;
        await group.save();

        const metadata = {
          userId: anotherUser._id,
          type: 'edit-card-group',
          groupId,
          server_url: BASE_URL,
        };

        const res = await createEditCardCheckoutSession({ user: anotherUser, groupId }, stripe);
        expect(res).to.equal(sessionId);
        expect(subscriptionsListStub).to.be.calledOnce;
        expect(subscriptionsListStub).to.be.calledWith({ customer: customerId });

        expect(stripe.checkout.sessions.create).to.be.calledOnce;
        expect(stripe.checkout.sessions.create).to.be.calledWith({
          mode: 'setup',
          payment_method_types: ['card'],
          metadata,
          customer: customerId,
          setup_intent_data: {
            metadata: {
              customer_id: customerId,
              subscription_id: subscriptionId,
            },
          },
          ...redirectUrls,
        });
      });
    });
  });
});