import { NextRequest, NextResponse } from 'next/server';
import { auth } from '@clerk/nextjs/server';
import { getDatabase } from '@/lib/database';

// POST - Mark goal as complete
export async function POST(
    req: NextRequest,
    { params }: { params: { id: string } }
) {
    try {
        const { userId } = await auth();
        if (!userId) {
            return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
        }

        const { id } = await params;
        const db = await getDatabase();

        // Verify goal exists and user owns it
        const existingGoal = await db.getFitnessGoalById(id);
        if (!existingGoal) {
            return NextResponse.json({ error: 'Goal not found' }, { status: 404 });
        }
        if (existingGoal.userId !== userId) {
            return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
        }

        // Mark as completed
        const completedGoal = await db.completeGoal(id);

        return NextResponse.json(completedGoal);
    } catch (error) {
        console.error('Error completing fitness goal:', error);
        return NextResponse.json(
            { error: 'Internal server error' },
            { status: 500 }
        );
    }
}