'v0.4.8 Geetest Inc.';

(function (window) {
  if (typeof window === 'undefined') {
    throw new Error('Geetest requires browser environment');
  }

  const document = window.document;
  const Math = window.Math;
  const head = document.getElementsByTagName('head')[0];

  function _Object(obj) {
    this._obj = obj;
  }

  _Object.prototype = {
    _each(process) {
      const _obj = this._obj;
      for (const k in _obj) {
        if (_obj.hasOwnProperty(k)) {
          process(k, _obj[k]);
        }
      }
      return this;
    },
  };

  function Config(config) {
    const self = this;
    new _Object(config)._each((key, value) => {
      self[key] = value;
    });
  }

  Config.prototype = {
    api_server: 'api.geetest.com',
    protocol: 'http://',
    typePath: '/gettype.php',
    fallback_config: {
      slide: {
        static_servers: ['static.geetest.com', 'dn-staticdown.qbox.me'],
        type: 'slide',
        slide: '/static/js/geetest.0.0.0.js',
      },
      fullpage: {
        static_servers: ['static.geetest.com', 'dn-staticdown.qbox.me'],
        type: 'fullpage',
        fullpage: '/static/js/fullpage.0.0.0.js',
      },
    },
    _get_fallback_config() {
      const self = this;
      if (isString(self.type)) {
        return self.fallback_config[self.type];
      } if (self.new_captcha) {
        return self.fallback_config.fullpage;
      }
      return self.fallback_config.slide;
    },
    _extend(obj) {
      const self = this;
      new _Object(obj)._each((key, value) => {
        self[key] = value;
      });
    },
  };
  const isNumber = function (value) {
    return typeof value === 'number';
  };
  var isString = function (value) {
    return typeof value === 'string';
  };
  const isBoolean = function (value) {
    return typeof value === 'boolean';
  };
  const isObject = function (value) {
    return typeof value === 'object' && value !== null;
  };
  const isFunction = function (value) {
    return typeof value === 'function';
  };
  const MOBILE = /Mobi/i.test(navigator.userAgent);
  const pt = MOBILE ? 3 : 0;

  const callbacks = {};
  const status = {};

  const nowDate = function () {
    const date = new Date();
    const year = date.getFullYear();
    let month = date.getMonth() + 1;
    let day = date.getDate();
    let hours = date.getHours();
    let minutes = date.getMinutes();
    let seconds = date.getSeconds();

    if (month >= 1 && month <= 9) {
      month = `0${month}`;
    }
    if (day >= 0 && day <= 9) {
      day = `0${day}`;
    }
    if (hours >= 0 && hours <= 9) {
      hours = `0${hours}`;
    }
    if (minutes >= 0 && minutes <= 9) {
      minutes = `0${minutes}`;
    }
    if (seconds >= 0 && seconds <= 9) {
      seconds = `0${seconds}`;
    }
    const currentdate = `${year
    }-${
      month
    }-${
      day
    } ${
      hours
    }:${
      minutes
    }:${
      seconds}`;
    return currentdate;
  };

  const random = function () {
    return parseInt(Math.random() * 10000) + new Date().valueOf();
  };

  const loadScript = function (url, cb) {
    const script = document.createElement('script');
    script.charset = 'UTF-8';
    script.async = true;

    // 对geetest的静态资源添加 crossOrigin
    if (/static\.geetest\.com/g.test(url)) {
      script.crossOrigin = 'anonymous';
    }

    script.onerror = function () {
      cb(true);
    };
    let loaded = false;
    script.onload = script.onreadystatechange = function () {
      if (
        !loaded
        && (!script.readyState
          || script.readyState === 'loaded'
          || script.readyState === 'complete')
      ) {
        loaded = true;
        setTimeout(() => {
          cb(false);
        }, 0);
      }
    };
    script.src = url;
    head.appendChild(script);
  };

  const normalizeDomain = function (domain) {
    // special domain: uems.sysu.edu.cn/jwxt/geetest/
    // return domain.replace(/^https?:\/\/|\/.*$/g, ''); uems.sysu.edu.cn
    return domain.replace(/^https?:\/\/|\/$/g, ''); // uems.sysu.edu.cn/jwxt/geetest
  };
  const normalizePath = function (path) {
    path = path.replace(/\/+/g, '/');
    if (path.indexOf('/') !== 0) {
      path = `/${path}`;
    }
    return path;
  };
  const normalizeQuery = function (query) {
    if (!query) {
      return '';
    }
    let q = '?';
    new _Object(query)._each((key, value) => {
      if (isString(value) || isNumber(value) || isBoolean(value)) {
        q = `${q + encodeURIComponent(key)}=${encodeURIComponent(value)}&`;
      }
    });
    if (q === '?') {
      q = '';
    }
    return q.replace(/&$/, '');
  };
  const makeURL = function (protocol, domain, path, query) {
    domain = normalizeDomain(domain);

    let url = normalizePath(path) + normalizeQuery(query);
    if (domain) {
      url = protocol + domain + url;
    }

    return url;
  };

  const load = function (config, send, protocol, domains, path, query, cb) {
    var tryRequest = function (at) {
      const url = makeURL(protocol, domains[at], path, query);
      loadScript(url, (err) => {
        if (err) {
          if (at >= domains.length - 1) {
            cb(true);
            // report gettype error
            if (send) {
              config.error_code = 508;
              const url = protocol + domains[at] + path;
              reportError(config, url);
            }
          } else {
            tryRequest(at + 1);
          }
        } else {
          cb(false);
        }
      });
    };
    tryRequest(0);
  };

  const jsonp = function (domains, path, config, callback) {
    if (isObject(config.getLib)) {
      config._extend(config.getLib);
      callback(config);
      return;
    }
    if (config.offline) {
      callback(config._get_fallback_config());
      return;
    }

    const cb = `geetest_${random()}`;
    window[cb] = function (data) {
      if (data.status == 'success') {
        callback(data.data);
      } else if (!data.status) {
        callback(data);
      } else {
        callback(config._get_fallback_config());
      }
      window[cb] = undefined;
      try {
        delete window[cb];
      } catch (e) {}
    };
    load(
      config,
      true,
      config.protocol,
      domains,
      path,
      {
        gt: config.gt,
        callback: cb,
      },
      (err) => {
        if (err) {
          callback(config._get_fallback_config());
        }
      },
    );
  };

  var reportError = function (config, url) {
    load(
      config,
      false,
      config.protocol,
      ['monitor.geetest.com'],
      '/monitor/send',
      {
        time: nowDate(),
        captcha_id: config.gt,
        challenge: config.challenge,
        pt,
        exception_url: url,
        error_code: config.error_code,
      },
      (err) => {},
    );
  };

  const throwError = function (errorType, config) {
    const errors = {
      networkError: '网络错误',
      gtTypeError: 'gt字段不是字符串类型',
    };
    if (typeof config.onError === 'function') {
      config.onError(errors[errorType]);
    } else {
      throw new Error(errors[errorType]);
    }
  };

  const detect = function () {
    return window.Geetest || document.getElementById('gt_lib');
  };

  if (detect()) {
    status.slide = 'loaded';
  }

  window.initGeetest = function (userConfig, callback) {
    const config = new Config(userConfig);

    if (userConfig.https) {
      config.protocol = 'https://';
    } else if (!userConfig.protocol) {
      config.protocol = `${window.location.protocol}//`;
    }

    // for KFC
    if (
      userConfig.gt === '050cffef4ae57b5d5e529fea9540b0d1'
      || userConfig.gt === '3bd38408ae4af923ed36e13819b14d42'
    ) {
      config.apiserver = 'yumchina.geetest.com/'; // for old js
      config.api_server = 'yumchina.geetest.com';
    }

    if (userConfig.gt) {
      window.GeeGT = userConfig.gt;
    }

    if (userConfig.challenge) {
      window.GeeChallenge = userConfig.challenge;
    }

    if (isObject(userConfig.getType)) {
      config._extend(userConfig.getType);
    }
    jsonp(
      [config.api_server || config.apiserver],
      config.typePath,
      config,
      (newConfig) => {
        const type = newConfig.type;
        const init = function () {
          config._extend(newConfig);
          callback(new window.Geetest(config));
        };

        callbacks[type] = callbacks[type] || [];
        const s = status[type] || 'init';
        if (s === 'init') {
          status[type] = 'loading';

          callbacks[type].push(init);

          load(
            config,
            true,
            config.protocol,
            newConfig.static_servers || newConfig.domains,
            newConfig[type] || newConfig.path,
            null,
            (err) => {
              if (err) {
                status[type] = 'fail';
                throwError('networkError', config);
              } else {
                status[type] = 'loaded';
                const cbs = callbacks[type];
                for (let i = 0, len = cbs.length; i < len; i += 1) {
                  const cb = cbs[i];
                  if (isFunction(cb)) {
                    cb();
                  }
                }
                callbacks[type] = [];
              }
            },
          );
        } else if (s === 'loaded') {
          init();
        } else if (s === 'fail') {
          throwError('networkError', config);
        } else if (s === 'loading') {
          callbacks[type].push(init);
        }
      },
    );
  };
}(window));