import React from 'react'; // jshint ignore:line
import ReactDOM from 'react-dom'; // jshint ignore:line
import misago from 'misago/index';
import Button from 'misago/components/button'; // jshint ignore:line
import Form from 'misago/components/form';
import SignInModal from 'misago/components/sign-in.js';
import ajax from 'misago/services/ajax';
import auth from 'misago/services/auth'; // jshint ignore:line
import modal from 'misago/services/modal';
import snackbar from 'misago/services/snackbar';
import * as validators from 'misago/utils/validators';
import showBannedPage from 'misago/utils/banned-page';

export class ResetPasswordForm extends Form {
  constructor(props) {
    super(props);

    this.state = {
      'isLoading': false,

      'password': '',

      'validators': {
        'password': [
          validators.passwordMinLength(misago.get('SETTINGS'))
        ]
      }
    };
  }

  clean() {
    if (this.isValid()) {
      return true;
    } else {
      if (this.state.password.trim().length) {
        snackbar.error(this.state.errors.password[0]);
      } else {
        snackbar.error(gettext("Enter new password."));
      }
      return false;
    }
  }

  send() {
    return ajax.post(misago.get('CHANGE_PASSWORD_API'), {
      'password': this.state.password
    });
  }

  handleSuccess(apiResponse) {
    this.props.callback(apiResponse);
  }

  handleError(rejection) {
    if (rejection.status === 403 && rejection.ban) {
      showBannedPage(rejection.ban);
    } else {
      snackbar.apiError(rejection);
    }
  }

  render() {
    /* jshint ignore:start */
    return <div className="well well-form well-form-reset-password">
      <form onSubmit={this.handleSubmit}>
        <div className="form-group">
          <div className="control-input">

            <input type="password" className="form-control"
                   placeholder={gettext("Enter new password")}
                   disabled={this.state.isLoading}
                   onChange={this.bindInput('password')}
                   value={this.state.password} />

          </div>
        </div>

        <Button className="btn-primary btn-block"
                loading={this.state.isLoading}>
          {gettext("Change password")}
        </Button>

      </form>
    </div>;
    /* jshint ignore:end */
  }
}

export class PasswordChangedPage extends React.Component {
  getMessage() {
    return interpolate(gettext("%(username)s, your password has been changed successfully."), {
      username: this.props.user.username
    }, true);
  }

  showSignIn() {
    modal.show(SignInModal);
  }

  render() {
    /* jshint ignore:start */
    return <div className="page page-message page-message-success page-forgotten-password-changed">
      <div className="container">
        <div className="message-panel">

          <div className="message-icon">
            <span className="material-icon">
              check
            </span>
          </div>

          <div className="message-body">
            <p className="lead">
              {this.getMessage()}
            </p>
            <p>
              {gettext("You will have to sign in using new password before continuing.")}
            </p>
            <p>
              <button type="button" className="btn btn-primary" onClick={this.showSignIn}>
                {gettext("Sign in")}
              </button>
            </p>
          </div>

        </div>
      </div>
    </div>;
    /* jshint ignore:end */
  }
}

export default class extends React.Component {
  /* jshint ignore:start */
  complete = (apiResponse) => {
    auth.softSignOut();

    // nuke "redirect_to" field so we don't end
    // coming back to error page after sign in
    $('#hidden-login-form input[name="redirect_to"]').remove();

    ReactDOM.render(
      <PasswordChangedPage user={apiResponse} />,
      document.getElementById('page-mount')
    );
  }
  /* jshint ignore:end */

  render() {
    /* jshint ignore:start */
    return <ResetPasswordForm callback={this.complete} />;
    /* jshint ignore:end */
  }
}