'use client'

import { useState } from 'react'
import { useTranslations } from 'next-intl'
import type { GoldOption } from '@/lib/prices'

export function GoldForm({ characters, options }: { characters: string[]; options: GoldOption[] }) {
  const t = useTranslations('Services')
  const tp = useTranslations('Paid')
  const [character, setCharacter] = useState('')
  const [amount, setAmount] = useState('')
  const [busy, setBusy] = useState(false)
  const [error, setError] = useState<string | null>(null)

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault()
    if (busy || !character || !amount) return
    setBusy(true)
    setError(null)
    try {
      const res = await fetch('/api/character/gold/checkout', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        credentials: 'same-origin',
        body: JSON.stringify({ character, gold_amount: amount }),
      })
      const data: { success?: boolean; url?: string } = await res.json()
      if (data.success && data.url) window.location.href = data.url
      else {
        setError(t('genericError'))
        setBusy(false)
      }
    } catch {
      setError(t('genericError'))
      setBusy(false)
    }
  }

  const field = 'w-full rounded border border-amber-900/60 bg-[#2c1e14] px-3 py-2'
  if (characters.length === 0) return <p className="text-amber-200/70">{t('noCharactersYet')}</p>

  return (
    <div className="mx-auto max-w-sm text-center">
      <form onSubmit={handleSubmit} className="space-y-3">
        <select value={character} onChange={(e) => setCharacter(e.target.value)} required className={field}>
          <option value="" disabled>{t('selectCharacter')}</option>
          {characters.map((c) => <option key={c} value={c}>{c}</option>)}
        </select>
        <select value={amount} onChange={(e) => setAmount(e.target.value)} required className={field}>
          <option value="" disabled>{tp('gold.selectAmount')}</option>
          {options.map((o) => (
            <option key={o.gold_amount} value={o.gold_amount}>
              {tp('gold.option', { amount: o.gold_amount, price: o.price })}
            </option>
          ))}
        </select>
        <button type="submit" disabled={busy || !character || !amount} className="w-full rounded bg-amber-600 px-4 py-2 font-semibold text-[#1b120b] disabled:opacity-60">
          {busy ? t('processing') : tp('gold.buy')}
        </button>
      </form>
      {error && <p className="mt-3 text-red-400">{error}</p>}
    </div>
  )
}
