/*
	Copied and pasted this script for CSS swaps w/ cookies from
	http://www.thesitewizard.com/javascripts/change-style-sheets.shtml
*/

// *** TO BE CUSTOMISED ***
var style_preference_name = 'theme';
var style_cookie_duration = 30;
var style_domain = 'docs.influxdata.com';

// *** END OF CUSTOMISABLE SECTION ***
// You do not need to customise anything below this line

function switchStyle (css_title) {
  // You may use this script on your site free of charge provided
  // you do not remove this notice or the URL below. Script from
  // http://www.thesitewizard.com/javascripts/change-style-sheets.shtml
  var i, link_tag;
  for (
    i = 0, link_tag = document.getElementsByTagName('link');
    i < link_tag.length;
    i++
  ) {
    if (
      link_tag[i].rel.indexOf('stylesheet') != -1 &&
      link_tag[i].title.includes('theme')
    ) {
      link_tag[i].disabled = true;
      if (link_tag[i].title == css_title) {
        link_tag[i].disabled = false;
      }
    }
    setPreference(style_preference_name, css_title.replace(/-theme/, ''));
  }
}

function setStyleFromCookie () {
  var css_title = `${getPreference(style_preference_name)}-theme`;
  if (css_title !== undefined) {
    switchStyle(css_title);
  }
}