jQuery.fn.quicksearch = function (options) {
  
  this.timeout = null;
  
  this.settings = $.extend({
    
    position: 'prepend',
    attached: 'body',
    formId: 'quicksearch',
    labelText: 'Quick Search',
    labelClass: 'qs_label',
    inputText: null,
    inputClass: 'qs_input',
    loaderId: 'loader',
    loaderClass: 'loader',
    loaderImg: null,
    loaderText: 'Loading...',
    stripeRowClass: null,
    hideElement: null,
    delay: 500,
    focusOnLoad: false,
    randomElement: 'qs'+Math.floor(Math.random()*1000000)
  }, options || {});
  
  var el    = this;
    
  var form1   = new jQuery._form(this.settings);
  var key1  = new jQuery._key(this.settings);
  var loader  = new jQuery._loader(this.settings);
  var stripes = new jQuery._stripe(this.settings.stripeRowClass); 
  
  form1.initialize();
  loader.setTo('hide'); 
  
  if(this.settings.stripeRowClass != null) {
    $(el).each(function () {      
      if(el.settings.hideElement == "grandparent") {
        stripes.go(this.parentNode.parentNode);
      } else if (el.settings.hideElement == "parent") {
        stripes.go(this.parentNode);
      } else {
        stripes.go(this);
      }
    })
    stripes.reset();
  }   
  
  $('form.quicksearch').submit( function () { return false; });
  
  $('input[@rel="'+this.settings.randomElement+'"]').keydown(function(e) {
    switch(e.keyCode) {
      case 9: 
      case 13:
      case 38: 
      case 40:
        e.preventDefault();
        break;
      default:
        clearTimeout(this.timeout);       
      
        this.timeout = setTimeout(function () {
            loader.setTo('show');
            setTimeout( function () {
            
              key1.setKey();
              
              $(el).each( function () {
              
                if(el.settings.hideElement == "grandparent") {
                  var hide = $(this).parent().parent();
                } else if (el.settings.hideElement == "parent") {
                  var hide = $(this).parent();
                } else {
                  var hide = $(this)
                }
              
                if(key1.test(this)) {
                      
                  $(hide).show();
                } else {
                  $(hide).hide();
                } 
                if(el.settings.stripeRowClass != null) {                  
                  if(el.settings.hideElement == "grandparent") {
                    stripes.go(this.parentNode.parentNode);
                  } else if (el.settings.hideElement == "parent") {
                    stripes.go(this.parentNode);
                  } else {
                    stripes.go(this);
                  }
                }       
              });           
              stripes.reset();
            }, el.settings.delay);            
            setTimeout( function () { 
              loader.setTo('hide');
            }, el.settings.delay);      
        }, el.settings.delay);
        break;
    }
  });

  
  
  
}


jQuery._key = function (set) {
  
  this.key = "";
  this.settings = set;
  this.getKey = function ()  {
    return this.key;
  };
  this.setKey = function () {
    var input = $('input[@rel="'+this.settings.randomElement+'"]').val();
    var string = input.replace(/\s{2,}/g, " ").toLowerCase();
    var arr = string.split(" ");
    for(var i in arr) {
      var regexp = new RegExp(/([^A-Za-z0-9])/gi);
      if(arr[i] == "") {
        arr.splice(i,1);
      }
    }
    this.key = arr;
  };
  this.test = function (el) {
    if( this.getKey() == '' ) {
      return true;
    } else {      
      var searchStrings = this.getKey();
      var text = $._stripHtml( $(el).html() );  
      for (var i = 0; i < searchStrings.length; i++) {
        var test = text.indexOf(searchStrings[i]);  
        if (test == -1) { 
          return false;
        }
      }     
      return true;
    }
  } 
}

jQuery._form = function (set) { 
  
  this.settings = set;
  
  this.initialize = function () {
    this.placeForm();
    if(this.settings.focusOnLoad) {
      this.focusOnLoad();
    }
    if(this.settings.inputText != "" && this.settings.inputText != null) {
      this.toggleText();
    }
  };
  this.placeForm = function () {
    var formPosition  = this.settings.position;
    var formAttached  = this.settings.attached;
          
    if(formPosition == 'before') {
      $(formAttached).before( jQuery._makeForm(this.settings) );
    } else if(formPosition == 'prepend') {
      $(formAttached).prepend( jQuery._makeForm(this.settings) );
    } else if(formPosition == 'append') {
      $(formAttached).append( jQuery._makeForm(this.settings) );
    } else {
      $(formAttached).after( jQuery._makeForm(this.settings) );
    }
  };
  this.focusOnLoad = function () {
    $('input[@rel="'+this.settings.randomElement+'"]').get(0).focus();
  };
  this.toggleText = function () {
    var el = this;
    $('input[@rel="'+this.settings.randomElement+'"]').focus(function () {
      if($(this).val() == el.settings.inputText) {
        $(this).val('');
      }
    }),
    $('input[@rel="'+this.settings.randomElement+'"]').blur(function () {
      if($(this).val() == "") {
        $(this).val(el.settings.inputText);
      }
    })
  };  
};

jQuery._loader = function (set) {
  this.settings = set;
  this.setTo = function (to) {
    if(this.settings.loaderId) {
      if(to == 'hide') {
        $('input[@rel="'+this.settings.randomElement+'"]').parent().find('.loader').hide();
      } else {
        $('input[@rel="'+this.settings.randomElement+'"]').parent().find('.loader').show();
      }     
    }
  }
}

jQuery._makeForm = function (set) {
  this.settings = set;
  this.mform = function () {
    return '<form action="#" ' + 
            'id="'+ this.settings.formId + '" ' +
            'class="quicksearch">' +
            this.mlabel() +
            this.minput() +
            this.mloader() +    
            '</form>';
  };
  this.mlabel = function () {
    if(!this.isEmpty(this.settings.labelText)) {
      return '<label for="' + this.settings.inputId + '" '+
            'class="' + this.settings.labelClass + '">'
            + this.settings.labelText
            + '</label> ';  
    }
    return '';
  };
  this.minput = function () {     
    var val = (!this.isEmpty(this.settings.inputText)) ? this.settings.inputText : ""
    return '<input type="text" ' +
          'value="' + val + '" ' + 
          'rel="' + this.settings.randomElement  + '" ' +
          'class="' + this.settings.inputClass + '" ' +
          '/> ';  
  };
  this.mloader = function () {
    if(!this.isEmpty(this.settings.loaderImg)) {
      return '<img src="' + this.settings.loaderImg + '" alt="Loading" id="' + this.settings.loaderId + '" class="' + this.settings.loaderClass + '" />';
    } else {
      return '<span id="' + this.settings.loaderId + '" class="' + this.settings.loaderClass + '">' + this.settings.loaderText + '</span>';
    }
  };
  this.isEmpty = function (input) {
    return (input == null || input == undefined || input == '' || input == 0) ? true: false;
  };
  return this.mform();
}

jQuery._stripHtml = function (input) {
  var regexp = new RegExp( /\<[^\<]+\>/g );
  var output = input.replace(regexp, "");
  output = output.toLowerCase();
  return output;
}

jQuery._stripe = function (set) {
  this.i = 0;
  this.set = set;
  this.go = function (el) {
    this.removeClasses(el);
    if(el.getAttribute('style') != "display: none;") {        
      $(el).addClass(this.set[this.i%this.set.length]);
      this.i += 1;
    }
  }; 
  this.removeClasses = function (el) {
    for(var j = 0; j < this.set.length; j++) {
      if(this.i%this.set.length != j) {
        $(el).removeClass(this.set[j]);
      }
    }
  };
  this.reset = function () {
    this.i = 0;
  }
}