import { NextResponse } from 'next/server';
import { getServerSession } from 'next-auth';
import { authOptions } from "@/app/api/auth/options";
import { prisma } from '@/lib/prisma';

// GET endpoint to list missions for the current user
export async function GET(request: Request) {
  try {
    const session = await getServerSession(authOptions);
    if (!session?.user?.id) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const userId = session.user.id;

    // Find all missions where the user is either the creator or a member
    const missions = await prisma.mission.findMany({
      where: {
        OR: [
          { creatorId: userId },
          { missionUsers: { some: { userId } } }
        ]
      },
      select: {
        id: true,
        name: true,
        logo: true,
        logoUrl: true,
        createdAt: true,
        updatedAt: true,
        isClosed: true,
        missionUsers: {
          where: { userId },
          select: {
            role: true
          }
        }
      },
      orderBy: { updatedAt: 'desc' }
    });

    // Transform missions to include logo URL
    const missionsWithUrls = missions.map(mission => ({
      ...mission,
      logoUrl: mission.logo ? `/api/missions/image/${mission.logo}` : null
    }));

    return NextResponse.json({ missions: missionsWithUrls });
  } catch (error) {
    console.error('Error fetching user missions:', error);
    return NextResponse.json(
      { error: 'Failed to fetch missions' },
      { status: 500 }
    );
  }
}