import { NextRequest, NextResponse } from 'next/server';
import prisma from '@/lib/prisma';
import { getCurrentUser } from '@/lib/auth';
import type { GetAppResponse, GetAppError404, DeleteAppResponse, DeleteAppError404 } from '@/types/api-types';

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const user = await getCurrentUser();
    if (!user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id } = await params;

    const app = await prisma.generatedApp.findUnique({
      where: { id },
      select: {
        id: true,
        userId: true,
        recordingId: true,
        title: true,
        description: true,
        htmlContent: true,
        appType: true,
        status: true,
        createdAt: true,
      }
    });

    if (!app) {
      const error: GetAppError404 = { error: 'App not found' };
      return NextResponse.json(error, { status: 404 });
    }

    // Check ownership
    if (app.userId !== user.id) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    const response: GetAppResponse = {
      id: app.id,
      recordingId: app.recordingId,
      title: app.title,
      description: app.description || '',
      htmlContent: app.htmlContent,
      appType: app.appType || '',
      status: app.status,
      createdAt: app.createdAt.toISOString(),
    };

    return NextResponse.json(response, { status: 200 });
  } catch (error) {
    console.error('Get app error:', error);
    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
  }
}

export async function DELETE(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const user = await getCurrentUser();
    if (!user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id } = await params;

    const app = await prisma.generatedApp.findUnique({
      where: { id },
      select: { userId: true }
    });

    if (!app) {
      const error: DeleteAppError404 = { error: 'App not found' };
      return NextResponse.json(error, { status: 404 });
    }

    // Check ownership
    if (app.userId !== user.id) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    // Delete app
    await prisma.generatedApp.delete({
      where: { id }
    });

    const response: DeleteAppResponse = {
      success: true,
    };

    return NextResponse.json(response, { status: 200 });
  } catch (error) {
    console.error('Delete app error:', error);
    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
  }
}