var HOST = 'https://track.jackmedia.io';
var eventURI = '/event/capture/'
var mappingId;
var variant = 'base';
var startSession;
var sessionId;
var urlP = new URLSearchParams(window.location.search);

function configureMapping(mId, v) {
    mappingId = mId;
    var preExistingSession = urlP.get('sid');
    if (preExistingSession)
      sessionId = preExistingSession;
    else
      sessionId = newSessionId(8);

    startSession = new Date().getTime();
    variant = v?v:'base';
}

function getEventSessionId() {
  return sessionId;
}

const getCookieValue = (name) => (
  document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)')?.pop() || ''
)

//looks at cookies value and make best guest as what the source of traffic is.
function isTikTokTraffic() {
  var ttClickId, ttp;
  try {
    
    ttClickId = getCookieValue('ttclid');
    if (ttClickId === null || ttClickId === undefined || ttClickId === '')
      ttClickId = urlP.get('ttclid');

    if (ttClickId)
      return true;
    
    // tik tok param is used to match website visitor events with TikTok ads
    ttp = getCookieValue('_ttp');
    if (ttp)
      return true;
    
  } catch (ex) {
      return false;
  }
  
  return false;
}

function postEvent(eventName, payload) {

    if (!mappingId) {
        console.log('Please run configureMapping with the relevant mapping id !');
        return 'error';
    }

    var fbp, fbc, fbClickId, adId, ttClickId, ttp;
    try {
      fbc = getCookieValue('_fbc');
      fbp = getCookieValue('_fbp');
      fbClickId = urlP.get('fbclid');
      
      ttClickId = getCookieValue('ttclid');
      if (ttClickId === null || ttClickId === undefined || ttClickId === '')
        ttClickId = urlP.get('ttclid');

      // tik tok param is used to match website visitor events with TikTok ads
      ttp = getCookieValue('_ttp');

      adId = urlP.get('adId');
    } catch (ex) {

    }

    if (!payload) 
        payload = {}

    payload.sid = sessionId;
    payload.start = startSession;

    //default to base variant if not provided    
    if (!payload.variant)
      payload.variant = variant;
    
    if (fbc && fbc.length > 1)
      payload.fbc = fbc;

    if (fbClickId  && fbClickId.length > 1)
      payload.fbClickId = fbClickId;

    if (ttClickId)
      payload.ttClickId = ttClickId;

    if (ttp)
      payload.ttp = ttp;

    if (fbp && fbp.length > 1)
      payload.fbp = fbp;

    if (adId && adId.length > 1)
      payload.adId = adId;

    payload.url = window.location.href;
    var post_url = HOST + eventURI + mappingId + '/' + eventName;
    if (encodeURI)
      post_url = encodeURI(post_url);

    $.ajax({
      url: post_url,
      type: 'POST',
      data: JSON.stringify(payload),
      contentType: 'application/json; charset=utf-8',
      dataType: 'json',
      success: function (response) {
        return (response && response.id) ? response.id : 'error';;
      },
      error: function (xhr) {
       return 'error';
      }
    });
};

//post to our new D3 API
function postToD3Distribution(campaignId, affiliateId, payload) {

  var post_url = `${HOST}/distributions/push/${campaignId}/${affiliateId}`;
  
  //console.log('post url', post_url);
  //console.log('payload', payload);

  //auto link the lead to the mapping;
  if (payload && mappingId)
    payload.mappingId = mappingId;

  if (payload && variant)
    payload.variant = variant;

  if (payload && sessionId)
    payload.sid = sessionId;

  $.ajax({
    url: post_url,
    type: 'POST',
    data: JSON.stringify(payload),
    contentType: 'application/json; charset=utf-8',
    dataType: 'json',
    success: function (response) {
      var resp = (response && response.status) ? response.status.toLowerCase() : '';
      if (resp == 'success' || resp == 'waitinginbound' ) {
          
          //if available - override thank you message with custom/dynamic message from server side.
          if (response.tyMessage && response.tyMessage.length > 5 && $('#thankyoumessage').length)
            $("#thankyoumessage").html(response.tyMessage);

          $("#submitting").addClass('d-none');
          $("#thankyoumessage").removeClass('d-none');
          setTimeout(function () {            
              payload.leadId = response.id;
              postEvent('step-lead', payload );
          }, 10);
      }
      else {
          $("#submitting").addClass('d-none');
          $("#thankyoumessage").removeClass('d-none');
          setTimeout(function () {
              //fire facebook custom lead events 
              postEvent('rejection', { fatal: false, description : 'rejectedbyDash'});
          }, 10);
      }
    },
    error: function (xhr, exception) {
      $("#submitting").addClass('d-none');
      $("#thankyoumessage").removeClass('d-none');
      setTimeout(function () {
          if (xhr.status === 400 ) //400 invalid and 409 duplicate.
              postEvent('invalid', { fatal: false, status: xhr.status, description : 'Rejected as invalid lead'});
          else if (xhr.status === 409)
              postEvent('duplicate', { fatal: false, status: xhr.status, description : 'Duplicate lead'});
          else
              postEvent('exception', { fatal: true, status: xhr.status, exception: exception, response: xhr.responseText});
      }, 10);
    }
  });
};


function postToD3(campaignId, affiliateId, payload) {

  var post_url = `${HOST}/leads/create/${campaignId}/${affiliateId}`;
  
  //console.log('post url', post_url);
  //console.log('payload', payload);

  //auto link the lead to the mapping;
  if (payload && mappingId)
    payload.mappingId = mappingId;

  if (payload && variant)
    payload.variant = variant;

  if (payload && sessionId)
    payload.sid = sessionId;

  $.ajax({
    url: post_url,
    type: 'POST',
    data: JSON.stringify(payload),
    contentType: 'application/json; charset=utf-8',
    dataType: 'json',
    success: function (response) {
      var resp = (response && response.status) ? response.status.toLowerCase() : '';
      if (resp == 'success' || resp == 'waitinginbound' ) {
          $("#submitting").addClass('d-none');
          $("#thankyoumessage").removeClass('d-none');
          setTimeout(function () {            
              payload.leadId = response.id;
              postEvent('step-lead', payload );
          }, 10);
      }
      else {
          $("#submitting").addClass('d-none');
          $("#thankyoumessage").removeClass('d-none');
          setTimeout(function () {
              //fire facebook custom lead events 
              postEvent('rejection', { fatal: false, description : 'rejectedbyDash'});
          }, 10);
      }
    },
    error: function (xhr, exception) {
      $("#submitting").addClass('d-none');
      $("#thankyoumessage").removeClass('d-none');
      setTimeout(function () {
          if (xhr.status === 400 ) //400 invalid and 409 duplicate.
              postEvent('invalid', { fatal: false, status: xhr.status, description : 'Rejected as invalid lead'});
          else if (xhr.status === 409)
              postEvent('duplicate', { fatal: false, status: xhr.status, description : 'Duplicate lead'});
          else
              postEvent('exception', { fatal: true, status: xhr.status, exception: exception, response: xhr.responseText});
      }, 10);
    }
  });
};


function newSessionId(length) {
  var result           = [];
  var characters       = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  var charactersLength = characters.length;
  for ( var i = 0; i < length; i++ ) {
    result.push(characters.charAt(Math.floor(Math.random() * 
charactersLength)));
 }
 return result.join('');
}