'use client'

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

interface Props {
  characters: string[]
  checkoutEndpoint: string
  payLabel: string // ya formateado con el precio
}

/** Selector de personaje + botón de pago. Redirige al Checkout de Stripe. */
export function PaidServiceForm({ characters, checkoutEndpoint, payLabel }: Props) {
  const t = useTranslations('Services')
  const [character, setCharacter] = useState('')
  const [busy, setBusy] = useState(false)
  const [error, setError] = useState<string | null>(null)

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

  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="w-full rounded border border-amber-900/60 bg-[#2c1e14] px-3 py-2"
        >
          <option value="" disabled>
            {t('selectCharacter')}
          </option>
          {characters.map((c) => (
            <option key={c} value={c}>
              {c}
            </option>
          ))}
        </select>
        <button
          type="submit"
          disabled={busy || !character}
          className="w-full rounded bg-amber-600 px-4 py-2 font-semibold text-[#1b120b] disabled:opacity-60"
        >
          {busy ? t('processing') : payLabel}
        </button>
      </form>
      {error && <p className="mt-3 text-red-400">{error}</p>}
    </div>
  )
}