import { request, requestBlob, requestForm, withQuery } from '../core/httpClient';
import type { FileObject } from '../types';
import { assertUploadFileSize } from '@/utils/fileUpload';
import { clearSession, dispatchSessionEvent, hasRecentUserActivity, readSession, redirectToPortalLogin } from '../session';
import { readErrorBody } from '../core/httpClient';

export const adminFilesApi = {
  uploadFileObject: async (file: File, body: { purpose: string; prefix?: string }, tenantId?: string) => {
    assertUploadFileSize(file);
    const form = new FormData();
    form.set('file', file);
    form.set('purpose', body.purpose);
    if (body.prefix) {
      form.set('prefix', body.prefix);
    }
    const headers = new Headers();
    const session = readSession('admin');
    if (session && hasRecentUserActivity()) headers.set('x-session-activity', 'user');
    if (tenantId) {
      headers.set('x-tenant-id', tenantId);
    }
    const response = await fetch('/api/admin/files/upload', { method: 'POST', headers, body: form, credentials: 'same-origin' });
    if (response.status === 401 && session) {
      const error = await readErrorBody(response.clone());
      if (error.code === 'SESSION_LOCKED') {
        dispatchSessionEvent('admin', 'locked', { message: error.message });
      } else {
        clearSession('admin');
        dispatchSessionEvent('admin', 'logout', { code: error.code, message: error.message });
        redirectToPortalLogin('admin');
      }
    }
    if (!response.ok) {
      throw new Error(await response.text());
    }
    return response.json() as Promise<FileObject>;
  },
};