import { NextResponse } from 'next/server';
import { createRoom } from '@/lib/rooms';
import { rateLimit, getClientIdentifier } from '@/lib/rate-limit';
import { z } from 'zod';

const createRoomSchema = z.object({
  teamMode: z.enum(['1', '2']).optional().default('2'),
});

export async function POST(req: Request) {
  try {
    const clientId = getClientIdentifier(req);
    const rateLimitResult = rateLimit(`create:${clientId}`, 5, 3600000);
    
    if (!rateLimitResult.success) {
      return NextResponse.json(
        { error: 'Too many rooms created. Try again later.' },
        { status: 429 }
      );
    }

    const body = await req.json().catch(() => ({}));
    const { teamMode } = createRoomSchema.parse(body);
    
    const { code, moderatorId } = createRoom(parseInt(teamMode) as 1 | 2);
    
    return NextResponse.json({ 
      code, 
      moderatorId,
      remaining: rateLimitResult.remaining 
    });
  } catch (error) {
    console.error('Create room error:', error);
    return NextResponse.json(
      { error: 'Failed to create room' },
      { status: 400 }
    );
  }
}