import { getSession } from '@/lib/session'
import { createTopic } from '@/lib/forum-write'
import { forumExists } from '@/lib/forum'
import { plainLength } from '@/lib/forum-sanitize'

export async function POST(request: Request) {
  const session = await getSession()
  if (!session.accountId || !session.username)
    return Response.json({ success: false, error: 'notAuthenticated' }, { status: 401 })
  let b: Record<string, string> = {}
  try {
    b = await request.json()
  } catch {
    return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 })
  }
  const forumId = Number(b.forumId)
  const title = String(b.title ?? '').trim()
  const text = String(b.text ?? '')
  if (!forumId || title.length < 3) return Response.json({ success: false, error: 'errTitle' })
  if (plainLength(text) < 3) return Response.json({ success: false, error: 'emptyError' })
  if (!(await forumExists(forumId))) return Response.json({ success: false, error: 'invalidForum' })
  const topicId = await createTopic(forumId, title, session.accountId, text)
  return Response.json({ success: true, topicId })
}