import { Fragment } from 'react'
import { useTranslation, Trans } from 'react-i18next'
import getMeta from '../../../utils/meta'
import {
  UserEmailsProvider,
  useUserEmailsContext,
} from '../context/user-email-context'
import EmailsHeader from './emails/header'
import EmailsRow from './emails/row'
import Icon from '../../../shared/components/icon'
import { Alert } from 'react-bootstrap'
import { ExposedSettings } from '../../../../../types/exposed-settings'

function EmailsSectionContent() {
  const { t } = useTranslation()
  const {
    state: { data: userEmailsData },
    isInitializing,
    isInitializingSuccess,
    isInitializingError,
  } = useUserEmailsContext()
  const userEmails = Object.values(userEmailsData.byId)

  return (
    <>
      <h3>{t('emails_and_affiliations_title')}</h3>
      <p className="small">{t('emails_and_affiliations_explanation')}</p>
      <p className="small">
        <Trans i18nKey="change_primary_email_address_instructions">
          <strong />
          {/* eslint-disable-next-line jsx-a11y/anchor-has-content */}
          <a href="/learn/how-to/Keeping_your_account_secure" />
        </Trans>
      </p>
      {isInitializing && (
        <div className="text-center">
          <Icon type="refresh" fw spin /> {t('loading')}...
        </div>
      )}
      {isInitializingSuccess && (
        <>
          <EmailsHeader />
          {userEmails?.map((userEmail, i) => (
            <Fragment key={userEmail.email}>
              <EmailsRow userEmailData={userEmail} />
              {i + 1 !== userEmails.length && (
                <div className="horizontal-divider" />
              )}
            </Fragment>
          ))}
        </>
      )}
      {isInitializingError && (
        <Alert bsStyle="danger" className="text-center">
          <Icon type="exclamation-triangle" fw />{' '}
          {t('error_performing_request')}
        </Alert>
      )}
    </>
  )
}

function EmailsSection() {
  const { hasAffiliationsFeature } = getMeta(
    'ol-ExposedSettings'
  ) as ExposedSettings
  if (!hasAffiliationsFeature) {
    return null
  }

  return (
    <>
      <UserEmailsProvider>
        <EmailsSectionContent />
      </UserEmailsProvider>
      <hr />
    </>
  )
}

export default EmailsSection