'use client'

import { useState } from 'react'
import { useTranslations, useLocale } from 'next-intl'

const ERROR_KEYS = ['cooldown', 'noEmail'] as const

export function SecurityTokenForm({ initialDate }: { initialDate: string | null }) {
  const t = useTranslations('SecurityToken')
  const locale = useLocale()
  const [date, setDate] = useState(initialDate)
  const [busy, setBusy] = useState(false)
  const [message, setMessage] = useState<{ ok: boolean; text: string } | null>(null)

  async function request() {
    if (busy) return
    setBusy(true)
    setMessage(null)
    try {
      const res = await fetch('/api/account/security-token', { method: 'POST', credentials: 'same-origin' })
      const data: { success?: boolean; error?: string; tokenDate?: string } = await res.json()
      if (data.success) {
        setMessage({ ok: true, text: t('success') })
        if (data.tokenDate) setDate(data.tokenDate)
      } else {
        const key = (ERROR_KEYS as readonly string[]).includes(data.error ?? '') ? data.error! : 'genericError'
        setMessage({ ok: false, text: t(key) })
      }
    } catch {
      setMessage({ ok: false, text: t('genericError') })
    } finally {
      setBusy(false)
    }
  }

  return (
    <>
      <p>{t('info')}</p>
      <br />
      <div className="centered">
        <p>
          {t('lastRequest')}:{' '}
          <span className="yellow-info">{date ? new Date(date).toLocaleString(locale) : t('never')}</span>
        </p>
        <br />
        <button onClick={request} className="sec-token-button" disabled={busy}>
          {busy ? t('requesting') : t('request')}
        </button>
        <hr />
        <div className="alert-message" style={{ display: message ? 'block' : 'none' }}>
          {message && <span className={message.ok ? 'ok-form-response' : 'red-form-response'}>{message.text}</span>}
        </div>
      </div>
    </>
  )
}