import { fetchWithAuth } from '../fetchWithAuth';
import { extractApiError } from './apiError';

const API_BASE_URL = import.meta.env.VITE_EFC_API_URL;

export const fetchPedimentoCoves = async (pedimentoId, page = 1, pageSize = 10, filters = {}) => {
  const params = new URLSearchParams({
    pedimento: pedimentoId,
    page: page.toString(),
    page_size: pageSize.toString(),
  });

  if (filters.numero_cove) params.append('numero_cove__icontains', filters.numero_cove);
  if (filters.cove_descargado !== undefined && filters.cove_descargado !== '') params.append('cove_descargado', filters.cove_descargado);
  if (filters.acuse_cove_descargado !== undefined && filters.acuse_cove_descargado !== '') params.append('acuse_cove_descargado', filters.acuse_cove_descargado);
  if (filters.date_from) params.append('created_at__gte', filters.date_from);
  if (filters.date_to) params.append('created_at__lte', filters.date_to);

  const response = await fetchWithAuth(`${API_BASE_URL}/customs/coves/?${params}`);
  if (!response.ok) throw new Error(await extractApiError(response));

  const data = await response.json();
  return { results: data.results, count: data.count, next: data.next, previous: data.previous };
};

export const downloadCove = async (coveId) => {
  const response = await fetchWithAuth(`${API_BASE_URL}/customs/coves/${coveId}/download/`);
  if (!response.ok) throw new Error(await extractApiError(response));

  const blob = await response.blob();
  const url = window.URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.style.display = 'none';
  a.href = url;
  a.download = `COVE_${coveId}.pdf`;
  document.body.appendChild(a);
  a.click();
  window.URL.revokeObjectURL(url);
  document.body.removeChild(a);
};

export const downloadAcuseCove = async (coveId) => {
  const response = await fetchWithAuth(`${API_BASE_URL}/customs/coves/${coveId}/download-acuse/`);
  if (!response.ok) throw new Error(await extractApiError(response));

  const blob = await response.blob();
  const url = window.URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.style.display = 'none';
  a.href = url;
  a.download = `ACUSE_COVE_${coveId}.pdf`;
  document.body.appendChild(a);
  a.click();
  window.URL.revokeObjectURL(url);
  document.body.removeChild(a);
};