import Tracker from '../Tracker';

export default class GoogleTracker extends Tracker{

  constructor(worker, privacy, extensionfilter=[]){
    super(worker, privacy);
    this.extensionfilter = extensionfilter;
    this.onStart = this.onStart.bind(this);
    this.is_allowed = null;
    this.google_debug = false;
    this.logged_email = null;
    this.logged_fullname = null;

    this.startswith_denylist = ['/accounts/', '/settings/', '/drive/', '/shopping/', 
    '/travel/', '/flights/',   ];

    this.reset_credentials();

  }


  /**
   * [return element without detected sensitive information]
   * @return {Promise}
   */
  _clean_sensitive_content_elements(target){
    let a_account = target.querySelector('a.gb_B.gb_Da.gb_g');
    if (a_account){
      a_account.parentNode.removeChild(a_account);
    }
    return target;
  }



  /**
   * Setup the credentials for the logged user (if any)
   */
  reset_credentials(){


    if (!this.logged_fullname || !this.logged_email){
      
      let email =  document.querySelector('.gb_nb, .gb_hb, .gb_qb');
      if (email && email.innerText != ''){
        this.is_logged_in = true;
        this.logged_email = email.innerText;
      } else {
        let logged = document.querySelector('a[href*="SignOut"]');
        if (logged){
          let _str = logged.title;
          if (logged.title) {
            _str = logged.title;
          } else {
            _str = logged.getAttribute('aria-label');
          }

          if (_str) {
            let m = _str.match(/.*: (.*) [\n|.]?\((.*)\)/)
            if (m && m.length == 3){
              this.is_logged_in = true;
              this.logged_fullname = m[1].trim();
              this.logged_email = m[2].trim();
            }
          }
        }
      }

      if (~this.logged_fullname  || this.logged_fullname == ''){
        let fullname = document.querySelector('.gb_lb.gb_mb');
        if (fullname){
          this.is_logged_in = true;
          this.logged_fullname = fullname.innerText;
        } else {
          fullname = document.querySelector('.gb_fb.gb_gb');
          if (fullname){
            this.is_logged_in = true;
            this.logged_fullname = fullname.innerText;
          }
        }
      }

      // is social media path allowed
      this.is_sm_path_allowed = this.get_is_sm_path_allowed(location.pathname);

      this.fetchMetaData();
    }

  }


  /**
   * get the metadata from the file
   * @return {object} the metadata of the html
   */
  getMetadata(){
    let metadata = super.getMetadata();
    let anonym = {};

    if (this.logged_email) {
      anonym['email'] = this.logged_email;
    }

    if (this.logged_fullname) {
      anonym['fullname'] = this.logged_fullname;
    }

    metadata['anonym'] = anonym;

    return metadata;

  }

  /**
   * [return dom as string]
   * @return {Promise}
   */
  getDom(){
  	return super.getDom();
  }

  /**
   * [onStart on start event]
   * @param  {Function} fn
   */
  onStart(fn){
    setTimeout(() => {
      if (this.google_debug) console.log('START!!!!');
      fn(1000);
    }, 500);
  }

}//class