import { NextResponse } from 'next/server';
import { auth } from '@/lib/auth';
import {
  getUserNotificationSettings,
  updateUserNotificationSettings,
} from '@/lib/notification-settings-db';

// GET /api/users/[id]/notification-settings
export async function GET(
  request: Request,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const session = await auth();
    if (!session?.user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id: userId } = await params;
    const currentUserId = (session.user as any).id;

    // Users can only view their own settings
    if (userId !== currentUserId) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    const settings = getUserNotificationSettings(userId);

    return NextResponse.json({ settings });
  } catch (error) {
    console.error('[GET /api/users/[id]/notification-settings]', error);
    return NextResponse.json(
      { error: 'Failed to get settings' },
      { status: 500 }
    );
  }
}

// PATCH /api/users/[id]/notification-settings
export async function PATCH(
  request: Request,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const session = await auth();
    if (!session?.user) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
    }

    const { id: userId } = await params;
    const currentUserId = (session.user as any).id;

    // Users can only update their own settings
    if (userId !== currentUserId) {
      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
    }

    const body = await request.json();
    const { email_enabled, telegram_enabled, telegram_chat_id } = body;

    const settings = updateUserNotificationSettings(userId, {
      email_enabled,
      telegram_enabled,
      telegram_chat_id,
    });

    return NextResponse.json({ settings });
  } catch (error) {
    console.error('[PATCH /api/users/[id]/notification-settings]', error);
    return NextResponse.json(
      { error: 'Failed to update settings' },
      { status: 500 }
    );
  }
}