var utm = 'yandex,yandex-rsy,search-yandex';(function(d, utm, c, t){
  function getCookie(name) {
    let matches = document.cookie.match(new RegExp(
      "(?:^|; )" + name.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, '\\$1') + "=([^;]*)"
    ));
    return matches ? decodeURIComponent(matches[1]) : undefined;
  }

  utm = utm ? utm : 'search';
  c = c ? c : 'utm_promo';
  t = t == null ? true : t;
  var arrUtm = [
    'search',
    'yandex',
    'yandex-rsy',
    'google',
    'mail',
    'facebook',
    'instagram',
    'youtube',
    'email',
    '',
    'vk'
  ],
    arrUtmName = {
    'search': 'Поиск',
    'yandex': 'Яндекс поиск',
    'yandex-rsy': 'Яндекс Рся',
    'google': 'Гоогл поиск',
    // 'mail': 'Рассылка',
    // 'facebook',
    // 'instagram',
    // 'youtube',
    // 'email',
    // '',
    // 'vk'
    },
  arrSearch = [
    'yandex',
    'google'
  ],
  arrDop = [
    'target',
    'smm',
    'cpc',
    'video'
  ],
  utm_promo = "10",
  refer = d.referrer, 
  utm_source = utm_medium = '',
  url = d.documentURI.split('?')[1],
  start = utm.split(',').filter(function(a) {
    return url?.includes(a);
  })
  
  
  if(start.length || refer) {
    if(url) {
      var utm_l = url.split('&');
      utm_l.forEach(function(a,b) {
        if(a.includes('utm_source')) utm_source = utm_l[b].split('=')[1];
        if(a.includes('utm_medium')) utm_medium = utm_l[b].split('=')[1];
      })
      arrUtm.forEach(function(a,b) {
        if(utm_source.includes(a) && a != '') {
          utm_promo = b+1 <= 9 ? '0'+(b+1).toString() : (b+1).toString();
        }
      })
      arrDop.forEach(function(a,b) {
        if(utm_medium.includes(a)) {
          utm_promo = utm_promo.toString() + b;
        }
      })
      if(utm_promo !== "10") {
        d.cookie = '_utm_promo_plugin = '+utm_promo+'; max-age=-1; path=/;';
        d.cookie = '_utm_promo_plugin = '+utm_promo+'; max-age=86400; path=/;';
      }
    }

    if(refer && url == undefined && getCookie('_utm_promo_plugin') == undefined) {
      search = utm.split(',').filter(function(a) {
        return a.includes('search')
      }).shift();
      if(search) search = search.split('-')[1];
      // console.log(utm, search);
      // search = search[0].split('-')[1];
      utm_promo = '9';
      
      arrSearch.forEach(function(a,b){
        if(refer.includes(a) && !search) utm_promo = utm_promo + b.toString();
        if(refer.includes(a) && search == a) utm_promo = utm_promo + b.toString();
      });
      
      if(utm_promo !== "10") {
        d.cookie = '_utm_promo_plugin = '+utm_promo+'; max-age=-1; path=/;';
        d.cookie = '_utm_promo_plugin = '+utm_promo+'; max-age=86400; path=/;';
      }
    }
  }

  if(getCookie('_utm_promo_plugin')) {
    utm_promo = getCookie('_utm_promo_plugin');
  }
  
  const obs = new MutationObserver(function(data) {
    var arr = Array.prototype.slice.call(d.forms)
    var newArr = arr.filter(function(a) {
      return a.querySelector('[name=utm_promo]') ? false : true;
    })
    var input = d.createElement('input');
    input.type = 'hidden',
    input.name = 'utm_promo',
    input.value = utm_promo;

    for (const i of newArr) {
      i.append(input.cloneNode(true));
      addDopInput(i, input);
    }
    input = null;
    newArr = null;
    arr = null;
  })

  obs.observe(d.body, {
    'childList': true,
    'subtree': true,
    'attributeOldValue': true, 
  })

  if(d.forms.length > 0) {
    var input = d.createElement('input');
    input.type = 'hidden',
    input.name = 'utm_promo',
    input.value = utm_promo;
    
    for (const i of d.forms) {
      i.append(input.cloneNode(true));
      addDopInput(i, input);
      // i.addEventListener('submit',function(e) {
      //   if(this.querySelectorAll('input')[0].value != '') {
      //     this.querySelectorAll('input')[0].value = this.querySelectorAll('input')[0].value + "  \n(Код клиента: "+utm_promo+")";
      //   }
      // })
    }
    input = null;
  }

  function addDopInput(i, input) {    
    var utm_num = utm_promo;
    if(utm_name = i.querySelector('[data-sid=utm_name]')) {
      utm_name.value = arrUtmName[arrUtm[utm_num]] ?? 'Прямой заход';
    } else {
      inputName = input.cloneNode(true);
      inputName.name = 'utm_name';
      inputName.value = arrUtmName[arrUtm[utm_num]] ?? 'Прямой заход';
      i.append(inputName);
    }
    if(utm_value = i.querySelector('[data-sid=utm_value]')) {
      utm_value.value = arrUtm[utm_num];
    } else {
      inputValue = input.cloneNode(true);
      inputValue.name = 'utm_value';
      inputValue.value = arrUtm[utm_num];
      i.append(inputValue);
    }

    if(refer.includes('yandex')) {
      if(utm_refer = i.querySelector('[data-sid=utm_refer]')) {
        utm_refer.value = arrUtm[utm_num];
      } else {
        inputRefere = input.cloneNode(true);
        inputRefere.name = 'utm_refer';
        inputRefere.value = 'Переход с поиска';
        i.append(inputRefere);
      }
    }

    if(utms = i.querySelector('[name=ORDER_PROP_21]')) {
      var name = arrUtmName[arrUtm[utm_num]] ?? 'Прямой заход';
      var referer = refer.includes('yandex') ? 'Переход с поиска' : '';
      var value = arrUtm[utm_num];
      var stringUtms = "Название метки: "+name+"\n | Значение метки: "+value+"\n | Заход: "+referer;
      utms.value = stringUtms;
    }
  }

  // var elem = '';
  // elem = document.querySelector('.'+c);
  // if(!elem) {
  //   elem = document.querySelector('#'+c);
  // }

  // if(elem && t) {
  //   elem.innerHTML = 'Промокод: <span>'+utm_promo+'</span>';
  // }
  // if(elem && !t) {
  //   elem.innerText = utm_promo;
  // }

}(document, utm, el = '', vievText = ''))