/**
 * @requires JABB 0.1
 */
function EBCal () {
	
    var document = window.document;
	
    this.options = {};
    this.date = null;
    this.event_id = null;
    this.category_id = null;
    this.version = "0.1";
    this.getVersion = function () {
        return this.version;
    };
	
    this.bindCalendar = function () {
        var i, len, self = this,
        cells = JABB.Utils.getElementsByClass(this.options.class_name_dates, document.getElementById(this.options.container_calendar), "td");
        //Add "click" event to calendar cells
        for (i = 0, len = cells.length; i < len; i++) {
	   JABB.Utils.addEvent(cells[i], "click", function (event) {
	       self.triggerLoading('message_1', self.options.container_events);
	       if (self.options.position === 2) {
		  document.getElementById(self.options.container_calendar).style.display = 'none';
	       }
	       self.loadEvents(this.getAttributeNode("axis").value);
	   });
        }
        //Add "click" event to calendar nav links
        var a = JABB.Utils.getElementsByClass(self.options.class_name_month, document.getElementById(self.options.container_calendar), "a");
        for (var m, y, rel, j = 0, alen  = a.length; j < alen; j++) {
	   JABB.Utils.addEvent(a[j], "click", function (event) {
	       rel = this.getAttributeNode("rel").value;
	       switch (rel.split("-")[0]) {
		  case 'next':
		      m = parseInt(self.options.month, 10) + parseInt(self.options.view, 10) > 12 ? parseInt(self.options.month) + parseInt(self.options.view, 10) - 12 : parseInt(self.options.month) + parseInt(self.options.view, 10);
		      y = parseInt(self.options.month, 10) + parseInt(self.options.view, 10) > 12 ? parseInt(self.options.year) + 1 : parseInt(self.options.year);
		      break;
		  case 'prev':
		      m = parseInt(self.options.month, 10) - parseInt(self.options.view, 10) < 1 ? parseInt(self.options.month) - parseInt(self.options.view, 10) + 12 : parseInt(self.options.month) - parseInt(self.options.view, 10);
		      y = parseInt(self.options.month, 10) - parseInt(self.options.view, 10) < 1 ? parseInt(self.options.year) - 1 : parseInt(self.options.year);
		      break;
	       }
	       self.triggerLoading('message_5', self.options.container_calendar);
	       self.loadCalendar(m, y);
	   });
	   a[j].onclick = function (e) {
	       return false;
	   }
        }
		
        // Add 'mouseover' and 'mouseout' event
        var t = JABB.Utils.getElementsByClass('calendarEvent', document.getElementById(this.options.container_calendar), "td");
        for (i = 0, len = t.length; i < len; i++) {
	   JABB.Utils.addEvent(t[i], "mouseover", function (event) {
	       if (document.getElementById('t_' + this.getAttributeNode("id").value)) {
		  document.getElementById('t_' + this.getAttributeNode("id").value).style.visibility = 'visible';
	       }
	   });
	   JABB.Utils.addEvent(t[i], "mouseout", function (event) {
	       if (document.getElementById('t_' + this.getAttributeNode("id").value)) {
		  document.getElementById('t_' + this.getAttributeNode("id").value).style.visibility = 'hidden';
	       }
	   });
        }
    };
	
    this.bindEvents = function () {
        var i, len, self = this,
        btn = JABB.Utils.getElementsByClass(this.options.class_name_events, document.getElementById(this.options.container_events), "input");			
        // Add "click" event to Book button
        for (i = 0, len = btn.length; i < len; i++) {
	   JABB.Utils.addEvent(btn[i], "click", function (event) {
	       self.triggerLoading('message_2', self.options.container_events);
	       self.loadBookingForm(this.getAttributeNode("rev").value);
	   });
        }
    };
	
    this.bindClose = function () {
        var i, len, self = this,
        btnClose = JABB.Utils.getElementsByClass(this.options.events_close, document.getElementById(this.options.container_events), "a");
        // Add "click" event to Close link
        for (i = 0, len = btnClose.length; i < len; i++) {
	   JABB.Utils.addEvent(btnClose[i], "click", function (event) {
	       if (event.preventDefault) {
		  event.preventDefault();
	       }
	       document.getElementById(self.options.container_events).innerHTML = "";
	       if (self.options.position === 2) {
		  document.getElementById(self.options.container_calendar).style.display = "";
	       }
	   });
	   btnClose[i].onclick = function (e) {
	       return false;
	   }
        }
    };
	
    this.bindBookingForm = function () {
        var self = this;
        // Add "change" event to Payment method combo box
        if (document.forms[self.options.booking_form_name] && document.forms[self.options.booking_form_name][self.options.booking_form_payment_method]) {
	   JABB.Utils.addEvent(document.forms[self.options.booking_form_name][self.options.booking_form_payment_method], "change", function () {
	       // if there will be any credit card option...
	       if (self.options.cc_data_flag) {
		  var $ccData = JABB.Utils.getElementsByClass(self.options.cc_data_wrapper, document.forms[self.options.booking_form_name], "DIV")[0],
		  $value = this.options[this.selectedIndex].value;
					
		  if ($value == 'creditcard') {
		      // show the credit cards fields
		      $ccData.style.display = "block";
						
		      // for each field add a requered class name
		      for (i = 0; i < self.options.cc_data_names.length; i++) {
			 JABB.Utils.addClass(document.forms[self.options.booking_form_name][self.options.cc_data_names[i]], 'EBCal_Required');
		      }
		  } else {
		      // hide the credit cards fields
		      $ccData.style.display = "none";
						
		      // for each field remove the requered class name
		      for (i = 0; i < self.options.cc_data_names.length; i++) {
			 JABB.Utils.removeClass(document.forms[self.options.booking_form_name][self.options.cc_data_names[i]], 'EBCal_Required');
		      }
		  }
	       }
	   });
        }
		
        //Add "click" event to Submit button
        if (document.forms[self.options.booking_form_name] && document.forms[self.options.booking_form_name][self.options.booking_form_submit_name]) {
	   JABB.Utils.addEvent(document.forms[self.options.booking_form_name][self.options.booking_form_submit_name], "click", function (event) {
	       var $this = this;
	       $this.disabled = true;
	       if (!self.validateBookingForm($this)) {
		  return;
	       }
	       if ($this.form.captcha) {
		  JABB.Ajax.getJSON(self.options.get_booking_captcha_url + "&captcha=" + $this.form.captcha.value, function (json) {
		      switch (json.code) {
			 case 100:
			     self.errorHandler('\n' + self.options.validation.error_captcha);
			     $this.disabled = false;
			     break;
			 case 200:
			     self.loadBookingSummary(JABB.Utils.serialize(document.forms[self.options.booking_form_name]));
			     self.triggerLoading('message_4', self.options.container_events);							
			     break;
		      }
		  });
	       } else {
		  self.loadBookingSummary(JABB.Utils.serialize(document.forms[self.options.booking_form_name]));
		  self.triggerLoading('message_4', self.options.container_events);					
	       }				
	   });
        }
        //Add "click" event to Cancel button
        if (document.forms[self.options.booking_form_name] && document.forms[self.options.booking_form_name][self.options.booking_form_cancel_name]) {
	   JABB.Utils.addEvent(document.forms[self.options.booking_form_name][self.options.booking_form_cancel_name], "click", function (event) {
	       this.disabled = true;
	       self.triggerLoading('message_1', self.options.container_events);
	       self.loadEvents();				
	   });
        }
        // Add "change" event to price
        var priceSelect = JABB.Utils.getElementsByClass(self.options.class_name_price, document.forms[self.options.booking_form_name], "SELECT");
        if (document.forms[self.options.booking_form_name]) {
	   for (var i = 0, len = priceSelect.length; i < len; i++) {
	       JABB.Utils.addEvent(priceSelect[i], "change", function (event) {
		  self.loadPrices();
	       });
	   }
        }
    };
	
    this.bindBookingSummary = function (post) {
        var self = this;
        //Add "click" event to Submit button
        if (document.forms[self.options.booking_summary_name] && document.forms[self.options.booking_summary_name][self.options.booking_summary_submit_name]) {
	   JABB.Utils.addEvent(document.forms[self.options.booking_summary_name][self.options.booking_summary_submit_name], "click", function (event) {
	       var $this = this;
	       $this.disabled = true;
	       if (!self.validateBookingSummary($this)) {
		  return;
	       }
	       JABB.Ajax.postJSON(self.options.get_booking_save_url + "&cid=" + self.options.calendar_id, function (json) {
		  switch (json.code) {
		      case 100:
			 self.errorHandler('\n' + self.options.message_8);
			 $this.disabled = false;
			 break;
		      case 200:
			 self.loadPaymentForm(json);
			 break;
		  }																								
	       }, post + "&" + JABB.Utils.serialize(document.forms[self.options.booking_summary_name]) + "&calendar_id=" + self.options.calendar_id + "&event_id=" + self.event_id);
	   });
        }
        //Add "click" event to Cancel button
        if (document.forms[self.options.booking_summary_name] && document.forms[self.options.booking_summary_name][self.options.booking_summary_cancel_name]) {
	   JABB.Utils.addEvent(document.forms[self.options.booking_summary_name][self.options.booking_summary_cancel_name], "click", function (event) {
	       this.disabled = true;
	       self.triggerLoading('message_2', self.options.container_events);
	       self.loadBookingForm(undefined, post, 1);
	   });
        }
    };
	
    this.bindCategory = function () {
        var self = this;
        if (document.forms[self.options.category_form_name] && document.forms[self.options.category_form_name].category_id) {
	   JABB.Utils.addEvent(document.forms[self.options.category_form_name].category_id, "change", function (event) {
	       self.category_id = this.options[this.selectedIndex].value;
	       self.loadCalendar(self.options.month, self.options.year);
	   });
        }
    };
	
    this.loadCalendar = function (m, y) {
        var self = this,
        queryStr = "&cid=" + self.options.calendar_id + "&view=" + self.options.view + "&month=" + m + "&year=" + y + "&category_id=" + self.category_id;
        JABB.Ajax.sendRequest(self.options.get_calendar_url + queryStr, function (req) {
	   document.getElementById(self.options.container_calendar).innerHTML = req.responseText;
	   document.getElementById(self.options.container_events).innerHTML = "";
	   if (self.options.position === 2) {
	       document.getElementById(self.options.container_calendar).style.display = '';
	   }
	   self.options.month = m;
	   self.options.year = y;
	   self.bindCalendar();
        });
    };
	
    this.loadEvents = function (date) {
        if (typeof date !== "undefined") {
	   this.date = date;
        }
        var self = this,
        qs = "&cid=" + self.options.calendar_id + "&date=" + self.date + "&category_id=" + self.category_id;
        JABB.Ajax.sendRequest(this.options.get_events_url + qs, function (req) {
	   document.getElementById(self.options.container_events).innerHTML = req.responseText;
	   self.bindEvents();
	   self.bindClose();
	   $("a.fancybox").fancybox();
        });
        
    };
	
    this.loadPrices = function () {
        var self = this,
        arr = [],
        price_arr = JABB.Utils.getElementsByClass(self.options.class_name_price, document.forms[self.options.booking_form_name], "SELECT");
        for (var i = 0, len = price_arr.length; i < len; i++) {
	   arr.push(price_arr[i].name + "=" + encodeURIComponent(price_arr[i].options[price_arr[i].selectedIndex].value));
        }
        JABB.Ajax.get(self.options.get_price_url + "&cid=" + self.options.calendar_id + "&" + arr.join("&"), self.options.container_price);
    };
	
    this.loadBookingForm = function (event_id, post, loadPrices) {
        if (typeof event_id !== "undefined") {
	   this.event_id = event_id;
        }
        var self = this,
        qs = "&cid=" + self.options.calendar_id + "&date=" + self.date + "&event_id=" + self.event_id;
        JABB.Ajax.sendRequest(self.options.get_booking_form_url + qs, function (req) {
	   document.getElementById(self.options.container_events).innerHTML = req.responseText;
	   self.bindBookingForm();
	   self.bindClose();
	   if (typeof loadPrices !== "undefined") {
	       self.loadPrices();
	   }
        }, post);
    };
	
    this.loadBookingSummary = function (post) {
        var self = this,
        qs = "&cid=" + self.options.calendar_id;
        JABB.Ajax.sendRequest(self.options.get_booking_summary_url + qs, function (req) {
	   document.getElementById(self.options.container_events).innerHTML = req.responseText;
	   self.bindBookingSummary(post);
	   self.bindClose();
        }, post);
    };
	
    this.loadPaymentForm = function (obj) {
        var self = this,
        qs = "&cid=" + self.options.calendar_id,
        bs, d;
        JABB.Ajax.sendRequest(self.options.get_payment_form_url + qs, function (req) {
	   bs = document.forms[self.options.booking_summary_name];
	   if (bs && bs.parentNode) {
	       d = document.createElement("div");
	       d.innerHTML = req.responseText;
	       bs.parentNode.insertBefore(d, bs);
				
	       if (typeof document.forms[self.options.payment[obj.payment]] != 'undefined' && parseFloat(obj.deposit)>0 ) {
		  document.forms[self.options.payment[obj.payment]].submit();
	       } else {
		  self.triggerLoading('message_7', self.options.container_events);
	       }
	   }
			
        }, "id=" + obj.booking_id);
    };
	
    this.toggleCreditCard = function () {
		
    };
	
    this.validateBookingForm = function (btn) {
        var re = /([0-9a-zA-Z\.\-\_]+)@([0-9a-zA-Z\.\-\_]+)\.([0-9a-zA-Z\.\-\_]+)/,
        message = "";
		
        var frm = document.forms[this.options.booking_form_name];
        for (var i = 0, len = frm.elements.length; i < len; i++) {
	   var cls = frm.elements[i].getAttributeNode("class");
	   if (cls && cls.value.indexOf("EBCal_Required") !== -1) {
	       switch (frm.elements[i].nodeName) {
		  case "INPUT":
		      switch (frm.elements[i].type) {
			 case "checkbox":
			 case "radio":
			     if (!frm.elements[i].checked && frm.elements[i].getAttribute("rev")) {
				message += "\n - " + frm.elements[i].getAttribute("rev"); 
			     }
			     break;
			 default:
			     if (frm.elements[i].value.length === 0 && frm.elements[i].getAttribute("rev")) {
				message += "\n - " + frm.elements[i].getAttribute("rev");
			     }
			     break;
		      }
		      break;
		  case "TEXTAREA":
		      if (frm.elements[i].value.length === 0 && frm.elements[i].getAttribute("rev")) {						
			 message += "\n - " + frm.elements[i].getAttribute("rev");
		      }
		      break;
		  case "SELECT":
		      switch (frm.elements[i].type) {
			 case 'select-one':
			     if (frm.elements[i].value.length === 0 && frm.elements[i].getAttribute("rev")) {
				message += "\n - " + frm.elements[i].getAttribute("rev"); 
			     }
			     break;
			 case 'select-multiple':
			     var has = false;
			     for (j = frm.elements[i].options.length - 1; j >= 0; j = j - 1) {
				if (frm.elements[i].options[j].selected) {
				    has = true;
				    break;
				}
			     }
			     if (!has && frm.elements[i].getAttribute("rev")) {
				message += "\n - " + frm.elements[i].getAttribute("rev");
			     }
			     break;
		      }
		      break;
		  default:
		      break;
	       }
	   }
	   if (cls && cls.value.indexOf("EBCal_Email") !== -1) {
	       if (frm.elements[i].nodeName === "INPUT" && frm.elements[i].value.length > 0 && frm.elements[i].value.match(re) == null) {
		  message += "\n - " + this.options.validation.error_email;
	       }
	   }
        }
        var price_arr = JABB.Utils.getElementsByClass(this.options.class_name_price, document.forms[this.options.booking_form_name], "SELECT"),
        max = frm.event_max_people.value,
        cnt = 0;
        for (var i = 0, len = price_arr.length; i < len; i++) {
	   cnt += parseInt(price_arr[i].options[price_arr[i].selectedIndex].value, 10);
        }
        if (cnt > max) {
	   message += "\n - " + this.options.validation.error_max.replace(/\[max\]/, max);
        } else if (cnt === 0) {
	   message += "\n - " + this.options.validation.error_min;
        }
        if (message.length === 0) {
	   return true;
        } else {
	   this.errorHandler(message);		
	   btn.disabled = false;
	   return false;
        }
    };
	
    this.validateBookingSummary = function (btn) {
        var po = document.getElementsByName("payment_option"),
        poLength = po.length,
        pass = false,
        message = "\n" + this.options.validation.error_payment,
        i;
			
        for (i = poLength - 1; i >= 0; i--) {
	   if (po[i].checked) {
	       pass = true;
	       break;
	   }
        }
		
        if (poLength === 0) {
	   pass = true;
        }
		
        if (pass) {
	   return true;
        } else {
	   this.errorHandler(message);		
	   btn.disabled = false;
	   return false;
        }
    };

    this.errorHandler = function (message) {
        var err = JABB.Utils.getElementsByClass("EBCal_Error", document.forms[this.options.booking_form_name], "P");
        if (err[0]) {
	   err[0].innerHTML = this.options.validation.error_title + message.replace(/\n/g, "<br />");
	   err[0].style.display = '';
        } else {
	   alert(this.options.validation.error_title + message);
        }
    };
	
    this.triggerLoading = function (message, container) {
        document.getElementById(container).innerHTML = this.options[message];
        document.getElementById(this.options.container_messages).innerHTML = '';
    };

    this.init = function (calObj) {
        this.options = calObj;
        this.bindCalendar();
        this.bindCategory();
    }
}