'use client'

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

export function PostActions({
  postId,
  initialText,
  deleted = false,
}: {
  postId: number
  initialText: string
  deleted?: boolean
}) {
  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 restore() {
    if (busy) return
    setBusy(true)
    setError(null)
    try {
      const res = await fetch('/api/forum/post', {
        method: 'PUT',
        headers: { 'Content-Type': 'application/json' },
        credentials: 'same-origin',
        body: JSON.stringify({ postId }),
      })
      if ((await res.json()).success) router.refresh()
      else setError(t('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="separate">
        <RichTextArea value={text} onChange={setText} rows={4} />
        <br />
        <button type="button" onClick={save} disabled={busy} className="ns-tool-btn">
          {busy ? t('sending') : t('save')}
        </button>{' '}
        <button
          type="button"
          onClick={() => { setEditing(false); setText(initialText); setError(null) }}
          className="ns-tool-btn"
        >
          {t('cancel')}
        </button>
        {error && <p className="red-info2 small-font">{error}</p>}
      </div>
    )
  }

  if (deleted) {
    return (
      <div className="separate small-font">
        <button type="button" onClick={restore} disabled={busy} className="ns-tool-btn green-info">
          {t('restore')}
        </button>
        {error && <span className="red-info2"> {error}</span>}
      </div>
    )
  }

  return (
    <div className="separate small-font">
      <a role="button" tabIndex={0} onClick={() => setEditing(true)} className="second-brown" style={{ cursor: 'pointer' }}>
        {t('edit')}
      </a>
      {'  '}
      <a role="button" tabIndex={0} onClick={() => { if (!busy) remove() }} className="second-brown" style={{ cursor: 'pointer' }}>
        {t('delete')}
      </a>
      {error && <span className="red-info2"> {error}</span>}
    </div>
  )
}