import { GetToken } from '@package/config/api/Admin/auth/GetToken/page';
import { BASE_URL_ADMINISTRATION } from '@package/config/ApiPath';
import { FetchData } from '@package/config/FetchData';
import { ReturnService } from '@package/config/ReturnService';
import i18n from '@package/utils/language/i18n';
import { deleteKeyApi, deleteUser, encrypt, setKeyApi, setUser } from '@package/utils/Utilities';

interface LoginResponse {
  correct?: boolean;
  success: boolean;
  message: string;
  errorCode?: number;
}

/**
 * Authenticates a user by their username and password.
 *
 * @param {string} ae_user - The username of the user.
 * @param {string} ae_password - The password of the user.
 * @returns {Promise<LoginResponse>} A promise that resolves to a LoginResponse object indicating the success or failure of the login attempt.
 *
 * @throws Will return an error response if the token retrieval fails, the credentials are incorrect, or an unexpected error occurs.
 */
async function Login(ae_user: string, ae_password: string): Promise<LoginResponse> {
  try {
    const token = await GetToken();

    if (!token) {
      return { success: false, message: i18n.t('errorTokenAPI'), errorCode: 102 };
    }

    ae_password = encrypt(ae_password);

    const options: RequestInit = {
      method: 'post',
      mode: 'cors' as RequestMode,
      headers: {
        'Content-Type': 'application/json',
        Authorization: 'Bearer ' + token,
        lng: i18n.language,
      },
      body: JSON.stringify({
        email: ae_user,
        password: ae_password,
      }),
    };

    const data: ReturnService<any> = await FetchData(BASE_URL_ADMINISTRATION, 'user/login', options);

    if (data.correct && data.object) {
      setKeyApi(token);
      setUser(data.object.object);

      return data.object;
    } else {
      deleteKeyApi();
      deleteUser();
      return { success: false, message: data.message || i18n.t('msj_Incorrect_credentials'), errorCode: data.errorCode };
    }
  } catch (error) {
    deleteKeyApi();
    deleteUser();
    return { success: false, message: i18n.t('errorUnexpected'), errorCode: 500 };
  }
}


export { Login };