// Proxy para evitar CORS
const API_BASE = 'http://34.66.240.236/api/proyecto/search';

export async function GET({ url }) {
  const q = url.searchParams.get('q') || '';
  const is_class = url.searchParams.get('is_class') || 'false';
  const mode = url.searchParams.get('mode') || 'gastos'; // 'gastos' | 'ingresos'
  const class_ = url.searchParams.get('class_') || ''; // comma-separated: entidad, objeto, finfun, acteco
  const page = url.searchParams.get('page') || '1'; // Paginación
  const per_page = url.searchParams.get('per_page') || ''; // Resultados por página

  // Build URL with all parameters
  const apiUrl = new URL(API_BASE);
  apiUrl.searchParams.set('q', q);
  apiUrl.searchParams.set('is_class', is_class);
  apiUrl.searchParams.set('page', page);
  if (per_page) apiUrl.searchParams.set('per_page', per_page);
  if (mode) apiUrl.searchParams.set('mode', mode);
  if (class_) apiUrl.searchParams.set('class_', class_);

  try {
    const response = await fetch(apiUrl.toString());

    if (!response.ok) {
      return new Response(JSON.stringify({ error: `API error: ${response.status}` }), {
        status: response.status,
        headers: { 'Content-Type': 'application/json' }
      });
    }

    const data = await response.json();

    return new Response(JSON.stringify(data), {
      headers: { 'Content-Type': 'application/json' }
    });
  } catch (err) {
    console.error('Proxy error:', err);
    return new Response(JSON.stringify({ error: 'Failed to fetch from API' }), {
      status: 500,
      headers: { 'Content-Type': 'application/json' }
    });
  }
}