var keydownpress = false;
var keyuppress = false;
var pointer = null;
var searchingText;
var loadingContent;
var itemBg = '#FFF6D5';

Array.prototype.contains = function(key) 
{
  for (var i = 0; i < this.length; i++)
  {
    if (this[i] == key) return true;
  }
  return false;
};

String.prototype.trim = function () 
{
  return this.replace(/^\s*/, '').replace(/\s*$/, '');
};


function isIllegalKey(key)
{
  var illegalKeys = new Array(33,34,37,39);
  return (illegalKeys.contains(key)) ? true : false;
}

function detectKey(e,input)
{
  var keynum;
  
  keynum = (window.event) ? e.keyCode : e.which;       
  
  if (isIllegalKey(keynum)) return;
    
  keydownpress = (keynum == 40) ? true : false;
  keyuppress = (keynum == 38) ? true : false;   
    
  if (keynum == 13) 
  {
    if (resultContainsOneRow()) pointer = $('#searchresult ul li:first')[0];
    if (pointer == null) return;
    handleLi(pointer);
    return;
  }
    
  if (!(keydownpress || keyuppress)) pointer = null;
    
  if ((keydownpress || keyuppress) && ($('#searchresult').html() != '')) setActive();
  else
  {  
    if ($(input).val().length > 0) checkPattern($(input).val());
    else 
    {
      $('#searchresult').hide();
      pointer = null;
    }  
  }
}

function resultContainsOneRow()
{
  return ($('#searchresult ul li').size() == 2) ? true : false;
}

function setActive()
{  
  if (pointer == null)
  {
    if (keydownpress) li = $('#searchresult ul li:first');
    else if (keyuppress) li = $('#searchresult ul li:last');    
    
    $(li).css('background-color',itemBg);        
    pointer = $(li)[0];
  }
  else
  {
    var size = $('#searchresult ul li').size();
    $('#searchresult ul li').each(function(i){
      if ($(this)[0] == pointer)
      {
        setNonActive($(this));
        if ((keydownpress) && (i < size-1)){
          $(this).next().css('background-color',itemBg);
          pointer = $(this).next()[0];
        }
        if ((keydownpress) && (i == size-1)){
          $('#searchresult ul li:first').css('background-color',itemBg);
          pointer = $('#searchresult ul li:first')[0];
        }
        if ((keyuppress) && (i == 0)){
          $('#searchresult ul li:last').css('background-color',itemBg);
          pointer = $('#searchresult ul li:last')[0];
        }
        if ((keyuppress) && (i > 0)){
          $(this).prev().css('background-color',itemBg);
          pointer = $(this).prev()[0];
        }
        return false;
      }
    }); 
  }  
  setWindowStatus(pointer);
}

function setNonActive(li)
{
  $(li).css('background-color','white');
}

function callbackPatternCheck(data)
{
  if ($('.header .search input').val() == '') return;
     
  $('#searchresult')[0].innerHTML = data;
        
  if (data.indexOf('<li ') > -1)
  {
    $('#searchresult').show();
  }
  else 
  {
    $('#searchresult').hide();
    pointer = null;
  }
}

function checkPattern(value)
{
  $.ajax({
    url: 'https://www.reisen.cz//ajax/q_search.php?q='+encodeURIComponent(value),
    success: function(data){
      callbackPatternCheck(data);
      $('#loading').html(loadingContent);
      $('#loading').css('background',"url('https://www.reisen.cz/templates/default/img/wait_bg.png')");
    },
    beforeSend: function() {
	  	loadingContent = $('#loading').html();
	  	$('#loading').html('');
	  	$('#loading').css('background','none');
	  }
  });
    
  searchingText = encodeURIComponent(value);
}

function handleLi(li)
{
  var script = eval('('+getScript(li)+')');
  logResult(script['p1'],li);
  top.document.location.href = decodeURIComponent(script['p1']);
  $("#searchresult").hide(); 
}

function logResult(link,li)
{
  var order = 1;
  $('#searchresult ul li').each(function(i){
      if ($(this)[0] === pointer) order = i+1;
  });

  var data = {
    keyword : searchingText,
    link    : link,
    text    : $(li).text().replace(/\(\{.*\}\)/,''),
    count   : $('#searchresult ul li').size(),
    order   : order
  };
   
  $.post(
    'https://www.reisen.cz//ajax/q_log.php',
    data
  );
}

function handleMouseOver(li)
{
  pointer = $(li)[0];
  $(li).css('background-color',itemBg);
    
  setWindowStatus(li);      
  setLisNonActive();  
}

function getScript(li)
{  
  var script = $(li).find('script').html();
  return script;
}

function setWindowStatus(li)
{
  var script = eval('('+getScript(li)+')');
  window.status = unescape(script['p1']);
}

function setLisNonActive()
{
  if ($('#searchresult ul').size() == 0) return;
  
  $('#searchresult ul li').each(function(){
    var item = $(this)[0];
    if (($(item).css('background-color') != 'white') && (item != pointer)) setNonActive(item);
  });  
}

$(document).ready(function(){
  
  $('#search-input').focus(function(){
    checkPattern($(this).val())
  });

  $('*').click(function(e){ 
    if (e.target.id != 'search-input')
    {
      $('#searchresult').hide();
    }
    pointer = null;
    setLisNonActive();
  });
  
});