/* eslint-disable prefer-rest-params */
import DiadocMain from './diadoc-main';

let gaDiadoc = () => {};

if (!window.ga_diadoc && !process.env.TESTING) {

  ((w, d, s, src, ga_diadoc, a, m) => {
    w['GoogleAnalyticsObject'] = ga_diadoc;
    w[ga_diadoc] = w[ga_diadoc]
      || (() => (w[ga_diadoc].q = w[ga_diadoc].q || []).push(arguments));

    w[ga_diadoc].l = 1 * new Date();
    a = d.createElement(s);
    m = d.getElementsByTagName(s)[0];
    a.async = 1;
    a.src = src;
    m.parentNode.insertBefore(a, m);

    a.onload = () => {
      window.ga_diadoc('create', 'UA-17444089-1', 'auto', {
        'allowLinker': true
      });

      const userId = DiadocMain.getCurrentUserId();
      const orgId = DiadocMain.getCurrentOrgId();

      if (userId != null) {
        window.ga_diadoc('set', '&uid', userId);
        window.ga_diadoc('set', 'dimension1', userId);
      }

      if (orgId != null) {
        window.ga_diadoc('set', 'dimension2', orgId);
      }

      window.ga_diadoc('require', 'linker');
      window.ga_diadoc('linker:autoLink', ['www.diadoc.ru']);
      window.ga_diadoc('send', 'pageview');
    };

  })(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga_diadoc');

  gaDiadoc = (e, label, eventValue) => {
    const fieldsObject = eventValue === undefined ? undefined : { eventValue };
    if (window.ga_diadoc) {
      console.log(`ga->${e}`);
      window.ga_diadoc('send', 'event', 'system', e, label === undefined ? '' : label, fieldsObject);
    }
  };
  //TODO: if testing env, then write ga to localStorage
} else if (process.env.TESTING) {
  window.ga_diadoc = (send, ev, sys, action, label, count, metrics) => {
    let current = localStorage.getItem('diadoc_ga') || '';
    let tmp = action;

    if (label) tmp += `$${label}`;
    if (count) tmp += `$${JSON.stringify(count)}`;
    if (metrics) tmp += `$${JSON.stringify(metrics)}`;

    current += `${tmp}|`;
    localStorage.setItem('diadoc_ga', current);
  };

  window.ga_diadoc.reset = () => localStorage.setItem('diadoc_ga', '');
  window.ga_diadoc.getLog = () => localStorage.getItem('diadoc_ga') || '';

  gaDiadoc = (e, label, count, metrics) => {
    window.ga_diadoc('send', 'event', 'system', e, label === undefined ? '' : label, count, metrics);
  };
}


if (typeof module !== 'undefined' && module.exports) {
  module.exports = gaDiadoc;
}

if (typeof dd !== 'undefined') {
  dd.ui = { ...dd.ui, ga_diadoc: gaDiadoc };
}