import { PrismaClient, Special } from '@prisma/client';
import { NextResponse } from 'next/server';

const prisma = new PrismaClient();

export async function GET() {
    const specials = await prisma.special.findMany({
        orderBy: { name: 'asc' },
        include: {
            _count: {
                select: { songs: true }
            }
        }
    });
    return NextResponse.json(specials);
}

export async function POST(request: Request) {
    const { name, maxAttempts = 7, unlockSteps = '[2,4,7,11,16,30,60]', launchDate, endDate } = await request.json();
    if (!name) {
        return NextResponse.json({ error: 'Name is required' }, { status: 400 });
    }
    const special = await prisma.special.create({
        data: {
            name,
            maxAttempts: Number(maxAttempts),
            unlockSteps,
            launchDate: launchDate ? new Date(launchDate) : null,
            endDate: endDate ? new Date(endDate) : null,
        },
    });
    return NextResponse.json(special);
}

export async function DELETE(request: Request) {
    const { id } = await request.json();
    if (!id) {
        return NextResponse.json({ error: 'ID required' }, { status: 400 });
    }
    await prisma.special.delete({ where: { id: Number(id) } });
    return NextResponse.json({ success: true });
}

export async function PUT(request: Request) {
    const { id, name, maxAttempts, unlockSteps, launchDate, endDate } = await request.json();
    if (!id) {
        return NextResponse.json({ error: 'ID required' }, { status: 400 });
    }
    const updated = await prisma.special.update({
        where: { id: Number(id) },
        data: {
            ...(name && { name }),
            ...(maxAttempts && { maxAttempts: Number(maxAttempts) }),
            ...(unlockSteps && { unlockSteps }),
            launchDate: launchDate ? new Date(launchDate) : null,
            endDate: endDate ? new Date(endDate) : null,
        },
    });
    return NextResponse.json(updated);
}