'use client'

import { useState } from 'react'
import { useTranslations } from 'next-intl'
import { useRouter } from '@/i18n/navigation'

export function PostActions({ postId, initialText }: { postId: number; initialText: string }) {
  const t = useTranslations('Forum')
  const router = useRouter()
  const [editing, setEditing] = useState(false)
  const [text, setText] = useState(initialText)
  const [busy, setBusy] = useState(false)
  const [error, setError] = useState<string | null>(null)

  async function save() {
    if (busy || !text.trim()) return
    setBusy(true)
    setError(null)
    try {
      const res = await fetch('/api/forum/post', {
        method: 'PATCH',
        headers: { 'Content-Type': 'application/json' },
        credentials: 'same-origin',
        body: JSON.stringify({ postId, text }),
      })
      const data: { success?: boolean; error?: string } = await res.json()
      if (data.success) {
        setEditing(false)
        router.refresh()
      } else {
        setError(t(data.error === 'tooShort' ? 'tooShort' : data.error === 'topicLocked' ? 'topicLocked' : 'genericError'))
      }
    } catch {
      setError(t('genericError'))
    } finally {
      setBusy(false)
    }
  }

  async function remove() {
    if (busy || !confirm(t('confirmDeletePost'))) return
    setBusy(true)
    setError(null)
    try {
      const res = await fetch('/api/forum/post', {
        method: 'DELETE',
        headers: { 'Content-Type': 'application/json' },
        credentials: 'same-origin',
        body: JSON.stringify({ postId }),
      })
      const data: { success?: boolean } = await res.json()
      if (data.success) router.refresh()
      else setError(t('genericError'))
    } catch {
      setError(t('genericError'))
    } finally {
      setBusy(false)
    }
  }

  if (editing) {
    return (
      <div className="mt-3 space-y-2">
        <textarea value={text} onChange={(e) => setText(e.target.value)} rows={4} className="nw-input" />
        <div className="flex gap-2">
          <button type="button" onClick={save} disabled={busy} className="nw-btn text-sm disabled:opacity-60">
            {busy ? t('sending') : t('save')}
          </button>
          <button
            type="button"
            onClick={() => { setEditing(false); setText(initialText); setError(null) }}
            className="nw-btn-ghost text-sm"
          >
            {t('cancel')}
          </button>
        </div>
        {error && <p className="text-sm text-red-400">{error}</p>}
      </div>
    )
  }

  return (
    <div className="mt-2 flex items-center gap-3 text-xs">
      <button type="button" onClick={() => setEditing(true)} className="text-nw-muted hover:text-nw-gold-light">
        {t('edit')}
      </button>
      <button type="button" onClick={remove} disabled={busy} className="text-nw-muted hover:text-red-400 disabled:opacity-60">
        {t('delete')}
      </button>
      {error && <span className="text-red-400">{error}</span>}
    </div>
  )
}
