import { render, screen } from '@testing-library/react'
import { expect } from 'chai'
import fetchMock from 'fetch-mock'
import { cloneDeep } from 'lodash'
import EmailsRow from '../../../../../../frontend/js/features/settings/components/emails/row'
import {
  professionalUserData,
  unconfirmedUserData,
} from '../../fixtures/test-user-email-data'
import { UserEmailData } from '../../../../../../types/user-email'
import { UserEmailsProvider } from '../../../../../../frontend/js/features/settings/context/user-email-context'
import { Affiliation } from '../../../../../../types/affiliation'

function renderEmailsRow(data: UserEmailData) {
  return render(
    <UserEmailsProvider>
      <EmailsRow userEmailData={data} />
    </UserEmailsProvider>
  )
}

function getByTextContent(text: string) {
  return screen.getAllByText(
    (content, node) =>
      content === text || node?.children[0]?.textContent === text
  )
}

describe('<EmailsRow/>', function () {
  beforeEach(function () {
    window.metaAttributesCache = window.metaAttributesCache || new Map()
    window.metaAttributesCache.set('ol-ExposedSettings', {
      samlInitPath: '/saml',
      hasSamlBeta: true,
    })
  })

  describe('with unaffiliated email data', function () {
    it('renders email info', function () {
      renderEmailsRow(unconfirmedUserData)
      screen.getByText('baz@overleaf.com')
    })

    it('renders actions', function () {
      renderEmailsRow(unconfirmedUserData)
      screen.getByRole('button', { name: 'Make Primary' })
    })
  })

  describe('with affiliated email data', function () {
    it('renders email info', function () {
      renderEmailsRow(professionalUserData)
      screen.getByText('foo@overleaf.com')
      screen.getByText('Primary')
    })

    it('renders actions', function () {
      renderEmailsRow(professionalUserData)
      screen.getByRole('button', { name: 'Remove' })
    })

    it('renders institution info', function () {
      renderEmailsRow(professionalUserData)
      screen.getByText('Overleaf')
      screen.getByText('Reader, Art History')
    })
  })

  describe('with email data affiliated to an institution with SSO available', function () {
    let affiliatedEmail: UserEmailData & { affiliation: Affiliation }

    beforeEach(function () {
      window.metaAttributesCache.get('ol-ExposedSettings').hasSamlFeature = true

      // make sure the institution has SSO available
      affiliatedEmail = cloneDeep(professionalUserData)
      affiliatedEmail.affiliation.institution.confirmed = true
      affiliatedEmail.affiliation.institution.isUniversity = true
      affiliatedEmail.affiliation.institution.ssoEnabled = true
    })

    describe('when the email is not yet linked to the institution', function () {
      beforeEach(async function () {
        fetchMock.reset()
        fetchMock.get(/\/user\/emails/, [affiliatedEmail, unconfirmedUserData])
        await fetchMock.flush(true)
      })

      it('prompts the user to link to their institutional account', function () {
        renderEmailsRow(affiliatedEmail)
        getByTextContent(
          'You can now link your Overleaf account to your Overleaf institutional account.'
        )
        screen.getByRole('button', { name: 'Link Accounts' })
      })
    })

    describe('when the email is already linked to the institution', function () {
      beforeEach(async function () {
        affiliatedEmail.samlProviderId = '1'
        fetchMock.reset()
        fetchMock.get(/\/user\/emails/, [affiliatedEmail, unconfirmedUserData])
        await fetchMock.flush(true)
      })

      it('prompts the user to login using their institutional account', function () {
        renderEmailsRow(affiliatedEmail)
        getByTextContent(
          'You can log in to Overleaf through your Overleaf institutional login.'
        )
        expect(screen.queryByRole('button', { name: 'Link Accounts' })).to.be
          .null
      })
    })
  })
})