const SandboxedModule = require('sandboxed-module')
const { ObjectId } = require('mongodb-legacy')
const sinon = require('sinon')
const { expect } = require('chai')
const MockRequest = require('../helpers/MockRequest')
const {
  InvalidEmailError,
} = require('../../../../app/src/Features/Errors/Errors')
const modulePath =
  '../../../../app/src/Features/Subscription/SubscriptionGroupHandler'

describe('SubscriptionGroupHandler', function () {
  beforeEach(function () {
    this.adminUser_id = '12321'
    this.newEmail = 'bob@smith.com'
    this.user_id = '3121321'
    this.email = 'jim@example.com'
    this.user = { _id: this.user_id, email: this.newEmail }
    this.subscription_id = '31DSd1123D'
    this.adding = 1
    this.paymentMethod = { cardType: 'Visa', lastFour: '1111' }
    this.PaymentProviderEntities = {
      MEMBERS_LIMIT_ADD_ON_CODE: 'additional-license',
    }
    this.localPlanInSettings = {
      membersLimit: 5,
      membersLimitAddOn: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
    }

    this.subscription = {
      admin_id: this.adminUser_id,
      manager_ids: [this.adminUser_id],
      _id: this.subscription_id,
      membersLimit: 100,
    }

    this.changeRequest = {
      timeframe: 'now',
      subscription: {
        id: 'test_id',
      },
    }

    this.termsAndConditionsUpdate = {
      termsAndConditions: 'T&C copy',
    }

    this.poNumberAndTermsAndConditionsUpdate = {
      poNumber: '4444',
      ...this.termsAndConditionsUpdate,
    }

    this.recurlySubscription = {
      id: 123,
      addOns: [
        {
          code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
          quantity: 1,
        },
      ],
      getRequestForAddOnUpdate: sinon.stub().returns(this.changeRequest),
      getRequestForGroupPlanUpgrade: sinon.stub().returns(this.changeRequest),
      getRequestForAddOnPurchase: sinon.stub().returns(this.changeRequest),
      getRequestForFlexibleLicensingGroupPlanUpgrade: sinon
        .stub()
        .returns(this.changeRequest),
      getRequestForPoNumberAndTermsAndConditionsUpdate: sinon
        .stub()
        .returns(this.poNumberAndTermsAndConditionsUpdate),
      getRequestForTermsAndConditionsUpdate: sinon
        .stub()
        .returns(this.termsAndConditionsUpdate),
      currency: 'USD',
      hasAddOn(code) {
        return this.addOns.some(addOn => addOn.code === code)
      },
      get isCollectionMethodManual() {
        return false
      },
    }

    this.SubscriptionLocator = {
      promises: {
        getUsersSubscription: sinon.stub().resolves({
          groupPlan: true,
          recurlyStatus: {
            state: 'active',
          },
        }),
        getSubscriptionByMemberIdAndId: sinon.stub(),
        getSubscription: sinon.stub().resolves(this.subscription),
      },
    }

    this.changePreview = {
      currency: 'USD',
    }

    this.SubscriptionController = {
      makeChangePreview: sinon.stub().resolves(this.changePreview),
      getPlanNameForDisplay: sinon.stub().resolves(),
    }

    this.SubscriptionUpdater = {
      promises: {
        removeUserFromGroup: sinon.stub().resolves(),
        getSubscription: sinon.stub().resolves(),
      },
    }

    this.Subscription = {
      updateOne: sinon.stub().returns({ exec: sinon.stub().resolves }),
      updateMany: sinon.stub().returns({ exec: sinon.stub().resolves }),
      findOne: sinon.stub().returns({ exec: sinon.stub().resolves }),
    }

    this.User = {
      find: sinon.stub().returns({ exec: sinon.stub().resolves }),
    }

    this.SessionManager = {
      getLoggedInUserId: sinon.stub().returns(this.user._id),
    }

    this.previewSubscriptionChange = {
      nextAddOns: [
        {
          code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
          quantity: this.recurlySubscription.addOns[0].quantity + this.adding,
        },
      ],
      subscription: {
        planName: 'test plan',
      },
    }

    this.applySubscriptionChange = {}

    this.RecurlyClient = {
      promises: {
        getSubscription: sinon.stub().resolves(this.recurlySubscription),
        getPaymentMethod: sinon.stub().resolves(this.paymentMethod),
        previewSubscriptionChange: sinon
          .stub()
          .resolves(this.previewSubscriptionChange),
        applySubscriptionChangeRequest: sinon
          .stub()
          .resolves(this.applySubscriptionChange),
        updateSubscriptionDetails: sinon.stub().resolves(),
      },
    }

    this.PlansLocator = {
      findLocalPlanInSettings: sinon.stub().returns(this.localPlanInSettings),
    }

    this.SubscriptionHandler = {
      promises: {
        syncSubscription: sinon.stub().resolves(),
      },
    }

    this.TeamInvitesHandler = {
      promises: {
        revokeInvite: sinon.stub().resolves(),
        createInvite: sinon.stub().resolves(),
      },
    }

    this.GroupPlansData = {
      enterprise: {
        collaborator: {
          USD: {
            5: {
              price_in_cents: 10000,
              additional_license_legacy_price_in_cents: 5000,
            },
          },
        },
      },
      educational: {
        collaborator: {
          USD: {
            5: {
              price_in_cents: 10000,
              additional_license_legacy_price_in_cents: 5000,
            },
          },
        },
      },
    }

    this.Modules = {
      promises: {
        hooks: {
          fire: sinon.stub(),
        },
      },
    }

    this.Modules.promises.hooks.fire
      .withArgs('generateTermsAndConditions')
      .resolves(['T&Cs'])
      .withArgs('getPaymentFromRecord')
      .resolves([
        {
          subscription: this.recurlySubscription,
          account: { hasPastDueInvoice: false },
        },
      ])
      .withArgs('previewSubscriptionChangeRequest')
      .resolves([this.previewSubscriptionChange])
      .withArgs('previewGroupPlanUpgrade')
      .resolves([{ subscriptionChange: this.previewSubscriptionChange }])

    this.Handler = SandboxedModule.require(modulePath, {
      requires: {
        './SubscriptionUpdater': this.SubscriptionUpdater,
        './SubscriptionLocator': this.SubscriptionLocator,
        './SubscriptionController': this.SubscriptionController,
        './SubscriptionHandler': this.SubscriptionHandler,
        './TeamInvitesHandler': this.TeamInvitesHandler,
        '../../models/Subscription': {
          Subscription: this.Subscription,
        },
        '../../models/User': {
          User: this.User,
        },
        './RecurlyClient': this.RecurlyClient,
        './PlansLocator': this.PlansLocator,
        './PaymentProviderEntities': this.PaymentProviderEntities,
        '../Authentication/SessionManager': this.SessionManager,
        './GroupPlansData': this.GroupPlansData,
        '../../infrastructure/Modules': this.Modules,
      },
    })
  })

  describe('removeUserFromGroup', function () {
    it('should call the subscription updater to remove the user', async function () {
      const auditLog = { ipAddress: '0:0:0:0', initiatorId: this.user._id }
      await this.Handler.promises.removeUserFromGroup(
        this.adminUser_id,
        this.user._id,
        auditLog
      )

      this.SubscriptionUpdater.promises.removeUserFromGroup
        .calledWith(this.adminUser_id, this.user._id, auditLog)
        .should.equal(true)
    })
  })

  describe('replaceUserReferencesInGroups', function () {
    beforeEach(async function () {
      this.oldId = 'ba5eba11'
      this.newId = '5ca1ab1e'
      await this.Handler.promises.replaceUserReferencesInGroups(
        this.oldId,
        this.newId
      )
    })

    it('replaces the admin_id', function () {
      this.Subscription.updateOne
        .calledWith({ admin_id: this.oldId }, { admin_id: this.newId })
        .should.equal(true)
    })

    it('replaces the manager_ids', function () {
      this.Subscription.updateMany
        .calledWith(
          { manager_ids: 'ba5eba11' },
          { $addToSet: { manager_ids: '5ca1ab1e' } }
        )
        .should.equal(true)

      this.Subscription.updateMany
        .calledWith(
          { manager_ids: 'ba5eba11' },
          { $pull: { manager_ids: 'ba5eba11' } }
        )
        .should.equal(true)
    })

    it('replaces the member ids', function () {
      this.Subscription.updateMany
        .calledWith(
          { member_ids: this.oldId },
          { $addToSet: { member_ids: this.newId } }
        )
        .should.equal(true)

      this.Subscription.updateMany
        .calledWith(
          { member_ids: this.oldId },
          { $pull: { member_ids: this.oldId } }
        )
        .should.equal(true)
    })
  })

  describe('isUserPartOfGroup', function () {
    beforeEach(function () {
      this.subscription_id = '123ed13123'
    })

    it('should return true when user is part of subscription', async function () {
      this.SubscriptionLocator.promises.getSubscriptionByMemberIdAndId.resolves(
        {
          _id: this.subscription_id,
        }
      )
      const partOfGroup = await this.Handler.promises.isUserPartOfGroup(
        this.user_id,
        this.subscription_id
      )
      partOfGroup.should.equal(true)
    })

    it('should return false when no subscription is found', async function () {
      this.SubscriptionLocator.promises.getSubscriptionByMemberIdAndId.resolves(
        null
      )
      const partOfGroup = await this.Handler.promises.isUserPartOfGroup(
        this.user_id,
        this.subscription_id
      )
      partOfGroup.should.equal(false)
    })
  })

  describe('getTotalConfirmedUsersInGroup', function () {
    describe('for existing subscriptions', function () {
      beforeEach(function () {
        this.subscription.member_ids = ['12321', '3121321']
      })
      it('should call the subscription locator and return 2 users', async function () {
        const count = await this.Handler.promises.getTotalConfirmedUsersInGroup(
          this.subscription_id
        )
        this.SubscriptionLocator.promises.getSubscription
          .calledWith(this.subscription_id)
          .should.equal(true)
        count.should.equal(2)
      })
    })
    describe('for nonexistent subscriptions', function () {
      it('should return undefined', async function () {
        const count =
          await this.Handler.promises.getTotalConfirmedUsersInGroup('fake-id')
        expect(count).not.to.exist
      })
    })
  })

  describe('getUsersGroupSubscriptionDetails', function () {
    beforeEach(function () {
      this.req = new MockRequest()
      this.PlansLocator.findLocalPlanInSettings = sinon.stub().returns({
        ...this.localPlanInSettings,
        canUseFlexibleLicensing: true,
      })
    })

    it('should throw if the subscription is not a group plan', async function () {
      this.SubscriptionLocator.promises.getUsersSubscription = sinon
        .stub()
        .resolves({ groupPlan: false })

      await expect(
        this.Handler.promises.getUsersGroupSubscriptionDetails(
          this.adminUser_id
        )
      ).to.be.rejectedWith('User subscription is not a group plan')
    })

    it('should return users group subscription details', async function () {
      const data = await this.Handler.promises.getUsersGroupSubscriptionDetails(
        this.adminUser_id
      )

      expect(data).to.deep.equal({
        userId: this.adminUser_id,
        subscription: {
          groupPlan: true,
          recurlyStatus: {
            state: 'active',
          },
        },
        plan: {
          membersLimit: 5,
          membersLimitAddOn:
            this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
          canUseFlexibleLicensing: true,
        },
        paymentProviderSubscription: this.recurlySubscription,
      })
    })
  })

  describe('add seats subscription change', function () {
    beforeEach(function () {
      this.req = new MockRequest()
      Object.assign(this.req.body, { adding: this.adding })
      this.PlansLocator.findLocalPlanInSettings = sinon.stub().returns({
        ...this.localPlanInSettings,
        canUseFlexibleLicensing: true,
      })
    })

    describe('has "additional-license" add-on', function () {
      beforeEach(function () {
        this.recurlySubscription.addOns = [
          {
            code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
            quantity: 6,
          },
        ]
        this.prevQuantity = this.recurlySubscription.addOns[0].quantity
        this.previewSubscriptionChange.nextAddOns = [
          {
            code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
            quantity: this.prevQuantity + this.adding,
          },
        ]
      })

      afterEach(function () {
        sinon.assert.notCalled(
          this.recurlySubscription.getRequestForAddOnPurchase
        )

        this.recurlySubscription.getRequestForAddOnUpdate
          .calledWith(
            this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
            this.recurlySubscription.addOns[0].quantity + this.adding
          )
          .should.equal(true)
      })

      describe('previewAddSeatsSubscriptionChange', function () {
        it('should return the subscription change preview', async function () {
          const preview =
            await this.Handler.promises.previewAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding
            )
          this.Modules.promises.hooks.fire
            .calledWith('getPaymentFromRecord', {
              groupPlan: true,
              recurlyStatus: {
                state: 'active',
              },
            })
            .should.equal(true)
          this.Modules.promises.hooks.fire
            .calledWith('previewSubscriptionChangeRequest', this.changeRequest)
            .should.equal(true)
          this.SubscriptionController.makeChangePreview
            .calledWith(
              {
                type: 'add-on-update',
                addOn: {
                  code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
                  quantity:
                    this.previewSubscriptionChange.nextAddOns[0].quantity,
                  prevQuantity: this.prevQuantity,
                },
              },
              this.previewSubscriptionChange
            )
            .should.equal(true)
          preview.should.equal(this.changePreview)
        })
      })

      describe('createAddSeatsSubscriptionChange', function () {
        it('should change the subscription', async function () {
          this.recurlySubscription = {
            ...this.recurlySubscription,
            get isCollectionMethodManual() {
              return true
            },
          }
          this.Modules.promises.hooks.fire
            .withArgs('getPaymentFromRecord')
            .resolves([
              {
                subscription: this.recurlySubscription,
                account: { hasPastDueInvoice: false },
              },
            ])

          const result =
            await this.Handler.promises.createAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding,
              '123'
            )

          this.RecurlyClient.promises.updateSubscriptionDetails
            .calledWith(
              sinon.match
                .has('poNumber')
                .and(sinon.match.has('termsAndConditions'))
            )
            .should.equal(true)
          this.Modules.promises.hooks.fire
            .calledWith(
              'applySubscriptionChangeRequestAndSync',
              this.changeRequest
            )
            .should.equal(true)
          expect(result).to.deep.equal({
            adding: this.req.body.adding,
          })
        })
      })
    })

    describe('updateSubscriptionPaymentTerms', function () {
      describe('accounts with PO number', function () {
        it('should update the subscription PO number and T&C', async function () {
          await this.Handler.promises.updateSubscriptionPaymentTerms(
            this.recurlySubscription,
            this.poNumberAndTermsAndConditionsUpdate.poNumber
          )
          this.recurlySubscription.getRequestForPoNumberAndTermsAndConditionsUpdate
            .calledWithMatch(
              this.poNumberAndTermsAndConditionsUpdate.poNumber,
              'T&Cs'
            )
            .should.equal(true)
          this.RecurlyClient.promises.updateSubscriptionDetails
            .calledWith(this.poNumberAndTermsAndConditionsUpdate)
            .should.equal(true)
        })

        it('should fail for stripe', async function () {
          this.recurlySubscription.service = 'stripe'
          await expect(
            this.Handler.promises.updateSubscriptionPaymentTerms(
              this.recurlySubscription,
              this.poNumberAndTermsAndConditionsUpdate.poNumber
            )
          ).to.be.rejectedWith(
            'Updating payment terms is not supported for Stripe subscriptions'
          )
        })
      })

      describe('accounts with no PO number', function () {
        it('should update the subscription T&C only', async function () {
          await this.Handler.promises.updateSubscriptionPaymentTerms(
            this.recurlySubscription
          )
          this.recurlySubscription.getRequestForTermsAndConditionsUpdate
            .calledWithMatch('T&Cs')
            .should.equal(true)
          this.RecurlyClient.promises.updateSubscriptionDetails
            .calledWith(this.termsAndConditionsUpdate)
            .should.equal(true)
        })
      })
    })

    describe('has no "additional-license" add-on', function () {
      beforeEach(function () {
        this.recurlySubscription.addOns = []
        this.prevQuantity = this.recurlySubscription.addOns[0]?.quantity ?? 0
        this.previewSubscriptionChange.nextAddOns = [
          {
            code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
            quantity: this.prevQuantity + this.adding,
          },
        ]
        this.PlansLocator.findLocalPlanInSettings = sinon.stub().returns({
          ...this.localPlanInSettings,
          planCode: 'group_collaborator_5_enterprise',
          canUseFlexibleLicensing: true,
        })
      })

      afterEach(function () {
        sinon.assert.notCalled(
          this.recurlySubscription.getRequestForAddOnUpdate
        )
      })

      describe('previewAddSeatsSubscriptionChange', function () {
        let preview

        afterEach(function () {
          this.Modules.promises.hooks.fire
            .calledWith('getPaymentFromRecord', {
              groupPlan: true,
              recurlyStatus: {
                state: 'active',
              },
            })
            .should.equal(true)
          this.Modules.promises.hooks.fire
            .calledWith('previewSubscriptionChangeRequest', this.changeRequest)
            .should.equal(true)
          this.SubscriptionController.makeChangePreview
            .calledWith(
              {
                type: 'add-on-update',
                addOn: {
                  code: this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
                  quantity:
                    this.previewSubscriptionChange.nextAddOns[0].quantity,
                  prevQuantity: this.prevQuantity,
                },
              },
              this.previewSubscriptionChange
            )
            .should.equal(true)
          preview.should.equal(this.changePreview)
        })

        it('should return the subscription change preview with legacy add-on price', async function () {
          this.recurlySubscription.planPrice =
            this.GroupPlansData.enterprise.collaborator.USD[5].price_in_cents /
              100 -
            1

          preview =
            await this.Handler.promises.previewAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding
            )
          this.recurlySubscription.getRequestForAddOnPurchase
            .calledWithExactly(
              this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
              this.adding,
              this.GroupPlansData.enterprise.collaborator.USD[5]
                .additional_license_legacy_price_in_cents / 100
            )
            .should.equal(true)
        })

        it('should return the subscription change preview with non-legacy add-on price', async function () {
          this.recurlySubscription.planPrice =
            this.GroupPlansData.enterprise.collaborator.USD[5].price_in_cents /
            100

          preview =
            await this.Handler.promises.previewAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding
            )
          this.recurlySubscription.getRequestForAddOnPurchase
            .calledWithExactly(
              this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
              this.adding,
              undefined
            )
            .should.equal(true)
        })

        it('should return the subscription change preview with legacy add-on price for small educational group', async function () {
          this.PlansLocator.findLocalPlanInSettings = sinon.stub().returns({
            ...this.localPlanInSettings,
            planCode: 'group_collaborator_5_educational',
            canUseFlexibleLicensing: true,
          })
          this.recurlySubscription.planPrice =
            this.GroupPlansData.enterprise.collaborator.USD[5].price_in_cents /
              100 +
            1

          preview =
            await this.Handler.promises.previewAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding
            )
          this.recurlySubscription.getRequestForAddOnPurchase
            .calledWithExactly(
              this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
              this.adding,
              this.GroupPlansData.enterprise.collaborator.USD[5]
                .additional_license_legacy_price_in_cents / 100
            )
            .should.equal(true)
        })

        it('should return the subscription change preview with non-legacy add-on price for small educational group', async function () {
          this.PlansLocator.findLocalPlanInSettings = sinon.stub().returns({
            ...this.localPlanInSettings,
            planCode: 'group_collaborator_5_educational',
            canUseFlexibleLicensing: true,
          })
          this.recurlySubscription.planPrice =
            this.GroupPlansData.enterprise.collaborator.USD[5].price_in_cents /
            100

          preview =
            await this.Handler.promises.previewAddSeatsSubscriptionChange(
              this.adminUser_id,
              this.adding
            )
          this.recurlySubscription.getRequestForAddOnPurchase
            .calledWithExactly(
              this.PaymentProviderEntities.MEMBERS_LIMIT_ADD_ON_CODE,
              this.adding,
              undefined
            )
            .should.equal(true)
        })
      })
    })
  })

  describe('ensureFlexibleLicensingEnabled', function () {
    it('should throw if the subscription can not use flexible licensing', async function () {
      await expect(
        this.Handler.promises.ensureFlexibleLicensingEnabled({
          canUseFlexibleLicensing: false,
        })
      ).to.be.rejectedWith('The group plan does not support flexible licensing')
    })

    it('should not throw if the subscription can use flexible licensing', async function () {
      await expect(
        this.Handler.promises.ensureFlexibleLicensingEnabled({
          canUseFlexibleLicensing: true,
        })
      ).to.not.be.rejected
    })
  })

  describe('ensureSubscriptionIsActive', function () {
    it('should throw if the subscription is not active', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionIsActive(this.subscription)
      ).to.be.rejectedWith('The subscription is not active')
    })

    it('should not throw if the subscription is active', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionIsActive({
          recurlyStatus: { state: 'active' },
        })
      ).to.not.be.rejected
    })
  })

  describe('ensureSubscriptionCollectionMethodIsNotManual', function () {
    it('should throw if the subscription is manually collected', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionCollectionMethodIsNotManual({
          get isCollectionMethodManual() {
            return true
          },
        })
      ).to.be.rejectedWith('This subscription is being collected manually')
    })

    it('should not throw if the subscription is automatically collected', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionCollectionMethodIsNotManual({
          get isCollectionMethodManual() {
            return false
          },
        })
      ).to.not.be.rejected
    })
  })

  describe('ensureSubscriptionHasNoPendingChanges', function () {
    it('should throw if the subscription has pending change', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasNoPendingChanges({
          pendingChange: {},
        })
      ).to.be.rejectedWith('This subscription has a pending change')
    })

    it('should not throw if the subscription has no pending change', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasNoPendingChanges({})
      ).to.not.be.rejected
    })
  })

  describe('ensureSubscriptionHasNoPastDueInvoice', function () {
    it('should throw if the subscription has past due invoice', async function () {
      this.Modules.promises.hooks.fire
        .withArgs('getPaymentFromRecord')
        .resolves([{ account: { hasPastDueInvoice: true } }])
      await expect(
        this.Handler.promises.ensureSubscriptionHasNoPastDueInvoice(
          this.subscription
        )
      ).to.be.rejectedWith('This subscription has a past due invoice')
    })

    it('should not throw if the subscription has no past due invoice', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasNoPastDueInvoice(
          this.subscription
        )
      ).to.not.be.rejected
    })
  })

  describe('ensureSubscriptionHasAdditionalLicenseAddOnWhenCollectionMethodIsManual', function () {
    it('should throw if the subscription is manually collected and has no additional license add-on', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasAdditionalLicenseAddOnWhenCollectionMethodIsManual(
          {
            isCollectionMethodManual: true,
            hasAddOn: sinon
              .stub()
              .withArgs('additional-license')
              .returns(false),
          }
        )
      ).to.be.rejectedWith(
        'This subscription is being collected manually has no "additional-license" add-on'
      )
    })

    it('should not throw if the subscription is not manually collected and has no additional license add-on and ', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasAdditionalLicenseAddOnWhenCollectionMethodIsManual(
          {
            isCollectionMethodManual: false,
            hasAddOn: sinon
              .stub()
              .withArgs('additional-license')
              .returns(false),
          }
        )
      ).to.not.be.rejected
    })

    it('should not throw if the subscription is not manually collected and has additional license add-on', async function () {
      await expect(
        this.Handler.promises.ensureSubscriptionHasAdditionalLicenseAddOnWhenCollectionMethodIsManual(
          {
            isCollectionMethodManual: true,
            hasAddOn: sinon.stub().withArgs('additional-license').returns(true),
          }
        )
      ).to.not.be.rejected
    })
  })

  describe('getGroupPlanUpgradePreview', function () {
    it('should generate preview for subscription upgrade', async function () {
      const result = await this.Handler.promises.getGroupPlanUpgradePreview(
        this.user_id
      )
      result.should.equal(this.changePreview)
    })
  })

  describe('checkBillingInfoExistence', function () {
    it('should invoke the payment method function when collection method is "automatic"', async function () {
      await this.Handler.promises.checkBillingInfoExistence(
        this.recurlySubscription,
        this.adminUser_id
      )
      this.Modules.promises.hooks.fire
        .calledWith('getPaymentMethod', this.adminUser_id)
        .should.equal(true)
    })

    it('shouldn’t invoke the payment method function when collection method is "manual"', async function () {
      const recurlySubscription = {
        ...this.recurlySubscription,
        get isCollectionMethodManual() {
          return true
        },
      }
      await this.Handler.promises.checkBillingInfoExistence(
        recurlySubscription,
        this.adminUser_id
      )
      this.RecurlyClient.promises.getPaymentMethod.should.not.have.been.called
    })
  })

  describe('updateGroupMembersBulk', function () {
    const inviterId = new ObjectId()

    let members
    let emailList
    let callUpdateGroupMembersBulk

    beforeEach(function () {
      members = [
        {
          _id: new ObjectId(),
          email: 'user1@example.com',
          emails: [{ email: 'user1@example.com' }],
        },
        {
          _id: new ObjectId(),
          email: 'user2-alias@example.com',
          emails: [
            {
              email: 'user2-alias@example.com',
            },
            {
              email: 'user2@example.com',
            },
          ],
        },
        {
          _id: new ObjectId(),
          email: 'user3@example.com',
          emails: [{ email: 'user3@example.com' }],
        },
      ]

      emailList = [
        'user1@example.com',
        'user2@example.com',
        'new-user@example.com', // primary email of existing user
        'new-user-2@example.com', // secondary email of existing user
      ]
      callUpdateGroupMembersBulk = async (options = {}) => {
        this.Subscription.findOne = sinon
          .stub()
          .returns({ exec: sinon.stub().resolves(this.subscription) })

        this.User.find = sinon
          .stub()
          .returns({ exec: sinon.stub().resolves(members) })

        return await this.Handler.promises.updateGroupMembersBulk(
          inviterId,
          this.subscription._id,
          emailList,
          options
        )
      }
    })

    it('throws an error when any of the emails is invalid', async function () {
      emailList.push('invalid@email')

      await expect(
        callUpdateGroupMembersBulk({ commit: true })
      ).to.be.rejectedWith(InvalidEmailError)
    })

    describe('with commit = false', function () {
      describe('with removeMembersNotIncluded = false', function () {
        it('should preview zero users to delete, and should not send invites', async function () {
          const result = await callUpdateGroupMembersBulk()

          expect(result).to.deep.equal({
            emailsToSendInvite: [
              'new-user@example.com',
              'new-user-2@example.com',
            ],
            emailsToRevokeInvite: [],
            membersToRemove: [],
            currentMemberCount: 3,
            newTotalCount: 5,
            membersLimit: this.subscription.membersLimit,
          })

          expect(this.TeamInvitesHandler.promises.createInvite).not.to.have.been
            .called

          expect(this.SubscriptionUpdater.promises.removeUserFromGroup).not.to
            .have.been.called
        })
      })

      describe('with removeMembersNotIncluded = true', function () {
        it('should preview the users to be deleted, and should not send invites', async function () {
          const result = await callUpdateGroupMembersBulk({
            removeMembersNotIncluded: true,
          })

          expect(result).to.deep.equal({
            emailsToSendInvite: [
              'new-user@example.com',
              'new-user-2@example.com',
            ],
            emailsToRevokeInvite: [],
            membersToRemove: [members[2]._id],
            currentMemberCount: 3,
            newTotalCount: 4,
            membersLimit: this.subscription.membersLimit,
          })

          expect(this.TeamInvitesHandler.promises.createInvite).not.to.have.been
            .called

          expect(this.SubscriptionUpdater.promises.removeUserFromGroup).not.to
            .have.been.called
        })

        it('should preview but not revoke invites to emails that are no longer invited', async function () {
          this.subscription.teamInvites = [
            { email: 'new-user@example.com' },
            { email: 'no-longer-invited@example.com' },
          ]

          const result = await callUpdateGroupMembersBulk({
            removeMembersNotIncluded: true,
          })

          expect(result.emailsToRevokeInvite).to.deep.equal([
            'no-longer-invited@example.com',
          ])

          expect(this.TeamInvitesHandler.promises.revokeInvite).not.to.have.been
            .called
        })
      })

      it('does not throw an error when the member limit is reached', async function () {
        this.subscription.membersLimit = 3
        const result = await callUpdateGroupMembersBulk()

        expect(result.membersLimit).to.equal(3)
        expect(result.newTotalCount).to.equal(5)
      })
    })

    describe('with commit = true', function () {
      describe('with removeMembersNotIncluded = false', function () {
        it('should preview zero users to delete, and should send invites', async function () {
          const result = await callUpdateGroupMembersBulk({ commit: true })

          expect(result).to.deep.equal({
            emailsToSendInvite: [
              'new-user@example.com',
              'new-user-2@example.com',
            ],
            emailsToRevokeInvite: [],
            membersToRemove: [],
            currentMemberCount: 3,
            newTotalCount: 5,
            membersLimit: this.subscription.membersLimit,
          })

          expect(this.SubscriptionUpdater.promises.removeUserFromGroup).not.to
            .have.been.called

          expect(
            this.TeamInvitesHandler.promises.createInvite.callCount
          ).to.equal(2)

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user@example.com'
          )

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user-2@example.com'
          )
        })

        it('should not send invites to emails already invited', async function () {
          this.subscription.teamInvites = [{ email: 'new-user@example.com' }]

          const result = await callUpdateGroupMembersBulk({ commit: true })

          expect(result.emailsToSendInvite).to.deep.equal([
            'new-user-2@example.com',
          ])

          expect(
            this.TeamInvitesHandler.promises.createInvite.callCount
          ).to.equal(1)

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user-2@example.com'
          )
        })

        it('should preview and not revoke invites to emails that are no longer invited', async function () {
          this.subscription.teamInvites = [
            { email: 'new-user@example.com' },
            { email: 'no-longer-invited@example.com' },
          ]

          const result = await callUpdateGroupMembersBulk({
            commit: true,
          })

          expect(result.emailsToRevokeInvite).to.deep.equal([])

          expect(this.TeamInvitesHandler.promises.revokeInvite).not.to.have.been
            .called
        })
      })

      describe('with removeMembersNotIncluded = true', function () {
        it('should remove users from group, and should send invites', async function () {
          const result = await callUpdateGroupMembersBulk({
            commit: true,
            removeMembersNotIncluded: true,
          })

          expect(result).to.deep.equal({
            emailsToSendInvite: [
              'new-user@example.com',
              'new-user-2@example.com',
            ],
            emailsToRevokeInvite: [],
            membersToRemove: [members[2]._id],
            currentMemberCount: 3,
            newTotalCount: 4,
            membersLimit: this.subscription.membersLimit,
          })

          expect(
            this.SubscriptionUpdater.promises.removeUserFromGroup.callCount
          ).to.equal(1)

          expect(
            this.SubscriptionUpdater.promises.removeUserFromGroup
          ).to.have.been.calledWith(this.subscription._id, members[2]._id, {
            initiatorId: inviterId,
          })

          expect(
            this.TeamInvitesHandler.promises.createInvite.callCount
          ).to.equal(2)

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user@example.com'
          )

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user-2@example.com'
          )
        })

        it('should send invites and revoke invites to emails no longer invited', async function () {
          this.subscription.teamInvites = [
            { email: 'new-user@example.com' },
            { email: 'no-longer-invited@example.com' },
          ]

          const result = await callUpdateGroupMembersBulk({
            commit: true,
            removeMembersNotIncluded: true,
          })

          expect(result.emailsToSendInvite).to.deep.equal([
            'new-user-2@example.com',
          ])

          expect(result.emailsToRevokeInvite).to.deep.equal([
            'no-longer-invited@example.com',
          ])

          expect(
            this.TeamInvitesHandler.promises.createInvite.callCount
          ).to.equal(1)

          expect(
            this.TeamInvitesHandler.promises.createInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'new-user-2@example.com'
          )

          expect(
            this.TeamInvitesHandler.promises.revokeInvite.callCount
          ).to.equal(1)

          expect(
            this.TeamInvitesHandler.promises.revokeInvite
          ).to.have.been.calledWith(
            inviterId,
            this.subscription,
            'no-longer-invited@example.com'
          )
        })
      })

      it('throws an error when the member limit is reached', async function () {
        this.subscription.membersLimit = 3
        await expect(
          callUpdateGroupMembersBulk({ commit: true })
        ).to.be.rejectedWith('limit reached')
      })
    })
  })
})