/**
 * Billing Items Data API Endpoint
 * GET /api/data/billing-items - Query billing items from PostgreSQL
 */

import { NextRequest, NextResponse } from 'next/server';
import postgresClient from '@/lib/services/postgres-client';

export async function GET(request: NextRequest) {
  try {
    const searchParams = request.nextUrl.searchParams;
    const limit = parseInt(searchParams.get('limit') || '100');
    const offset = parseInt(searchParams.get('offset') || '0');
    const companyId = searchParams.get('companyId');
    const projectId = searchParams.get('projectId');
    const ticketId = searchParams.get('ticketId');
    const taskId = searchParams.get('taskId');

    // Build where clause
    const where: Record<string, any> = {};
    if (companyId) {
      where.company_id = parseInt(companyId);
    }
    if (projectId) {
      where.project_id = parseInt(projectId);
    }
    if (ticketId) {
      where.ticket_id = parseInt(ticketId);
    }
    if (taskId) {
      where.task_id = parseInt(taskId);
    }

    // Query billing items
    const billingItems = await postgresClient.find(
      'billing_items',
      where,
      {
        limit,
        offset,
        orderBy: 'created_at DESC',
      }
    );

    // Get total count
    const totalCount = await postgresClient.count('billing_items', where);

    return NextResponse.json({
      billingItems,
      pagination: {
        limit,
        offset,
        total: totalCount,
        hasMore: offset + billingItems.length < totalCount,
      },
    });
  } catch (error) {
    console.error('Failed to fetch billing items:', error);
    return NextResponse.json(
      { error: 'Failed to fetch billing items' },
      { status: 500 }
    );
  }
}