import {
  isAbsoluteURL,
  isTrustedURL,
  appendParamsToURL,
  redirectToURL
} from '../url-fns';

class LoginController {
  /*@ngInject*/
  constructor($rootScope, $log, $state, commonAuthUser) {
    this.$rootScope = $rootScope;
    this.$log = $log;
    this.$state = $state;

    this.commonAuthUser = commonAuthUser;

    this.user = {
      login: '',
      password: ''
    };

    this.isPasswordVisible = false;
  }

  redirectToAccount() {
    const { accountAppUrl } = this.commonAuthUser.config;
    const token = this.commonAuthUser.getToken();

    redirectToURL(`${accountAppUrl}/#/auth/check?token=${token}`);
  }

  redirectToTarget(){
    const { callback: callbackURL } = this.$state.params;

    if (callbackURL) {
      if (!isAbsoluteURL(callbackURL)) {
        redirectToURL(callbackURL);
        return;
      }

      if (isTrustedURL(callbackURL)) {
        redirectToURL(appendParamsToURL(callbackURL, {token: this.commonAuthUser.getToken()}));
        return;
      }
    }

    this.$state.go(this.commonAuthUser.getTargetState(), {}, { location: 'replace' });
  }

  submit(form) {
    if (form.$valid && !this.isLoading) {
      this.isLoading = true;
      this.error = null;
      this.commonAuthUser
        .login(this.user.login, this.user.password)
        .then(data => {
          this.$log.log('Logged in:', data);

          if (data.status === 'New') {
            // NOTE: redirect to account app, to allow fill in user account data
            this.redirectToAccount();
          }

          this.redirectToTarget();
        })
        .catch(response => {
          const { status, data } = response;

          this.error = (
            status === 400 || status === 401 || status === 403 ?
            'Неправильный логин или пароль' :
            'Произошла ошибка. Пожалуйста, попробуйте позже.'
          );

          this.$log.warn('Login error:', data);
        })
        .finally(() => {
          this.isLoading = false;
        });
    }
  }
}

export default {
  template: require('./auth-login.html'),
  controller: LoginController,
  controllerAs: 'vm'
};