import { NextResponse } from 'next/server';
import { assertChannelRoomAccess } from '@/lib/auth/room-access';
import {
  addDiceFromDonation,
  getRoom,
  notifyRoom,
  toPublicRoom,
} from '@/lib/rooms/store';

export const runtime = 'nodejs';

type Params = { params: Promise<{ roomId: string }> };

export async function POST(request: Request, { params }: Params) {
  const { roomId } = await params;
  const room = getRoom(roomId);
  if (!room) {
    return NextResponse.json({ error: '방을 찾을 수 없습니다.' }, { status: 404 });
  }

  const access = await assertChannelRoomAccess(room, request);
  if (!access.ok) return access.response;

  const body = (await request.json().catch(() => ({}))) as {
    payAmount?: number;
    donatorNickname?: string;
  };
  const payAmount = Number(body.payAmount ?? 0);
  if (!Number.isFinite(payAmount) || payAmount <= 0) {
    return NextResponse.json({ error: 'payAmount가 필요합니다.' }, { status: 400 });
  }

  if (!room.settings.chzzkEnabled) {
    return NextResponse.json(
      { error: '연동 없는 룸에서는 후원 시뮬레이션을 사용할 수 없습니다.' },
      { status: 400 },
    );
  }

  const result = addDiceFromDonation(roomId, {
    payAmount,
    donatorNickname: body.donatorNickname || '테스트후원',
    donationText: 'simulate',
    simulated: true,
  });
  if (!result) {
    return NextResponse.json({ error: '처리 실패' }, { status: 500 });
  }
  notifyRoom(roomId);
  return NextResponse.json({
    room: toPublicRoom(result.room),
    diceAdded: result.diceAdded,
  });
}