import { api } from './api.js';

export const listAttachments = (entityType, entityId) => api.get(`/attachments?entityType=${entityType}&entityId=${entityId}`);

export async function uploadAttachment(entityType, entityId, file) {
  const form = new FormData();
  form.append('entityType', entityType);
  form.append('entityId', entityId);
  form.append('file', file);
  return api.postForm('/attachments', form);
}

export const deleteAttachment = (id) => api.delete(`/attachments/${id}`);

export async function downloadAttachment(id, filename) {
  const token = localStorage.getItem('plc_token');
  const res = await fetch(api.downloadUrl(`/attachments/${id}/download`), {
    headers: token ? { Authorization: `Bearer ${token}` } : {},
  });
  if (!res.ok) throw new Error('No se pudo descargar el archivo');
  const blob = await res.blob();
  const url = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = url;
  a.download = filename;
  document.body.appendChild(a);
  a.click();
  a.remove();
  URL.revokeObjectURL(url);
}