text: /*
  Copyright 2015, 2016 OpenMarket Ltd
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  */
  
  import React, {createRef} from 'react';
  import PropTypes from 'prop-types';
  import { _t } from '../../../languageHandler';
  import CountlyAnalytics from "../../../CountlyAnalytics";
  
  const DIV_ID = 'mx_recaptcha';
  
  /**
   * A pure UI component which displays a captcha form.
   */
  export default class CaptchaForm extends React.Component {
      static propTypes = {
          sitePublicKey: PropTypes.string,
  
          // called with the captcha response
          onCaptchaResponse: PropTypes.func,
      };
  
      static defaultProps = {
          onCaptchaResponse: () => {},
      };
  
      constructor(props) {
          super(props);
  
          this.state = {
              errorText: null,
          };
  
          this._captchaWidgetId = null;
  
          this._recaptchaContainer = createRef();
  
          CountlyAnalytics.instance.track("onboarding_grecaptcha_begin");
      }
  
      componentDidMount() {
          // Just putting a script tag into the returned jsx doesn't work, annoyingly,
          // so we do this instead.
          if (global.grecaptcha) {
              // already loaded
              this._onCaptchaLoaded();
          } else {
              console.log("Loading recaptcha script...");
              window.mx_on_recaptcha_loaded = () => {this._onCaptchaLoaded();};
              const scriptTag = document.createElement('script');
              scriptTag.setAttribute(
                  'src', `https://www.recaptcha.net/recaptcha/api.js?onload=mx_on_recaptcha_loaded&render=explicit`,
              );
              this._recaptchaContainer.current.appendChild(scriptTag);
          }
      }
  
      componentWillUnmount() {
          this._resetRecaptcha();
      }
  
      _renderRecaptcha(divId) {
          if (!global.grecaptcha) {
              console.error("grecaptcha not loaded!");
              throw new Error("Recaptcha did not load successfully");
          }
  
          const publicKey = this.props.sitePublicKey;
          if (!publicKey) {
              console.error("No public key for recaptcha!");
              throw new Error(
                  "This server has not supplied enough information for Recaptcha "
                      + "authentication");
          }
  
          console.info("Rendering to %s", divId);
          this._captchaWidgetId = global.grecaptcha.render(divId, {
              sitekey: publicKey,
              callback: this.props.onCaptchaResponse,
          });
      }
  
      _resetRecaptcha() {
          if (this._captchaWidgetId !== null) {
              global.grecaptcha.reset(this._captchaWidgetId);
          }
      }
  
      _onCaptchaLoaded() {
          console.log("Loaded recaptcha script.");
          try {
              this._renderRecaptcha(DIV_ID);
              CountlyAnalytics.instance.track("onboarding_grecaptcha_loaded");
          } catch (e) {
              this.setState({
                  errorText: e.toString(),
              });
              CountlyAnalytics.instance.track("onboarding_grecaptcha_error", { error: e.toString() });
          }
      }
  
      render() {
          let error = null;
          if (this.state.errorText) {
              error = (
                  <div className="error">
                      { this.state.errorText }
                  </div>
              );
          }
  
          return (
              <div ref={this._recaptchaContainer}>
                  <p>{_t(
                      "This homeserver would like to make sure you are not a robot.",
                  )}</p>
                  <div id={DIV_ID} />
                  { error }
              </div>
          );
      }
  }
  