import {sendEmailVerification, User} from 'firebase/auth'
import toast from 'react-hot-toast'

export const sendVerificationEmail = async (user: User | null | undefined, t: any) => {
  // if (!privateUser?.email) {
  //   toast.error(t('settings.email.no_email', 'No email found on your account.'))
  //   return
  // }
  if (!user) {
    toast.error(
      t('settings.email.must_sign_in', 'You must be signed in to send a verification email.'),
    )
    return
  }
  if (user?.emailVerified) {
    toast.success(t('settings.email.verified', 'Email Verified ✔️'))
    return true
  }
  toast
    .promise(sendEmailVerification(user), {
      loading: t('settings.email.sending', 'Sending verification email...'),
      success: t(
        'settings.email.verification_sent',
        'Verification email sent — check your inbox and spam.',
      ),
      error: t('settings.email.verification_failed', 'Failed to send verification email.'),
    })
    .catch((e) => {
      console.error('Failed to send verification email', e)
      if (e?.code === 'auth/too-many-requests') {
        toast.error(
          t(
            'settings.email.too_many_requests',
            "You can't request more than one email per minute. Please wait before sending another request.",
          ),
        )
      }
      return
    })

  async function waitForEmailVerification(intervalMs = 2000, timeoutMs = 5 * 60 * 1000) {
    const start = Date.now()

    while (Date.now() - start < timeoutMs) {
      if (!user) return false

      // Refresh user record from Firebase
      await user.reload()

      if (user.emailVerified) {
        // IMPORTANT: force a new ID token with updated claims
        await user.getIdToken(true)
        toast.success(t('settings.email.verified', 'Email Verified ✔️'))
        return true
      }

      await new Promise((r) => setTimeout(r, intervalMs))
    }

    return false
  }

  waitForEmailVerification()
}