import { NextResponse } from "next/server";
import { PrismaClient } from "@prisma/client";

const prisma = new PrismaClient();

export const GET = async () => {
  try {
    const files = await prisma.file.findMany({
      select: {
        id: true,
        filename: true,
        mimetype: true,
        size: true,
        createdAt: true,
        updatedAt: true,
      },
      orderBy: {
        createdAt: 'desc',
      },
    });

    const response = NextResponse.json({
      success: true,
      files,
    });
    
    // Add CORS headers
    response.headers.set('Access-Control-Allow-Origin', '*');
    response.headers.set('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
    response.headers.set('Access-Control-Allow-Headers', 'Content-Type, Authorization');
    
    return response;
  } catch (error) {
    console.error("Error listing files:", error);
    const response = NextResponse.json(
      { success: false, error: "Failed to list files" },
      { status: 500 }
    );
    
    response.headers.set('Access-Control-Allow-Origin', '*');
    return response;
  } finally {
    await prisma.$disconnect();
  }
};

export const OPTIONS = async () => {
  const response = new NextResponse(null, { status: 200 });
  response.headers.set('Access-Control-Allow-Origin', '*');
  response.headers.set('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
  response.headers.set('Access-Control-Allow-Headers', 'Content-Type, Authorization');
  return response;
};