function Templating(){
}


Templating.parseTemplate=parseTemplate;
if (!Templating) {
	function TemplateTank(){
		var _templates = null;
		
			this.get_template=function(name){
				var d=scanElm($(".__templates__")[0]);
				if(!_templates){
					_templates={};
					
					$.each(d,function(i,n){
						//alert(n.match);
						//	Rest is code
						var y=n.match(/[a-z0-9]{1,}/i)[0];
						var u=n.replace(y,'');	
						
						y=$.trim(y);
						_templates[y]=u;
					});
				}
				
				return _templates[name];
			}
		
		    this.get_template_from_URI=function(uri,callback){
		        if(!_templates){
					_templates={};
		        }
		
		        if(_templates[uri]!=null){
		            //alert(uri);
		            callback(_templates[uri]);
		        }else{
		        	now = new Date();
		            $.get("/template/ejs/"+uri+".ejs?"+now.toString(),{},function(data){
		                _templates[uri]=data;
		                callback(_templates[uri]);
		            });
		        }
		    }
	};
	
	
	
	TemplateTank = new TemplateTank();
}

function scanElm(elm){
	var rc = [];
	for(var c = 0; c < elm.childNodes.length; c++) {
		var child = elm.childNodes[c];
		if (child.nodeType == 8){
			rc.push(child.nodeValue);
		}
	};
	return rc;
}


function parseTemplate(options){
	var _string=sanatise(options.template);
	var _data=options.data;
    var _view=options.view || {};
    var _del="[]";
	var _left_caret=0;
	var _right_caret=0;
	var _code="";

	//add_code("var output=\"\";");
	
	while(_right_caret<_string.length){
		var tag_left_caret=_string.indexOf("[%",_right_caret);
		
		if (tag_left_caret != -1) {
			add_code("output+=\""+_string.substring(_right_caret,tag_left_caret)+"\";");
			
			var tag_right_caret = _string.indexOf("%]",tag_left_caret);
			var _adder=0;
			var _c="";
			
			if(_string.substr(tag_left_caret,3)=="[%="){
				_c="output+="+_string.substring(tag_left_caret+3,tag_right_caret)+";";
				_adder=2;
			}else{
				_c=_string.substring(tag_left_caret+2,tag_right_caret);
				_adder=2;
			}
			
			add_code(_c);
			_right_caret=tag_left_caret+(tag_right_caret-tag_left_caret)+_adder;
		}else{
			add_code("output+=\""+_string.substr(_right_caret,_string.length-1)+"\";");
			_right_caret=_string.length;
		}
		
	}

	//	Evaluated the code on context of the data
    with(_view){
        with(_data){
            var output="";
            //alert("Template\n\n"+_code);
            //alert(">> "+_code);

            try{
                eval(_code);
            }catch(e){
                alert(e);
            }
            //alert("Template\n\n"+output);
            return output;
        }
    }
	//	Helper to append code to code string
	function add_code(string){
		//alert(">>"+string);
		_code+=string;//+"\n";
	}
	
	function sanatise(string){
		var _string=string;
		_string=_string.replace(/\"/gi,'\\"');	//	Replace quotes with \" to prevent eval breaking
		_string=_string.replace(/[\n\t\r]/gi,'');	//	Replace all tabs and newlines
		return _string;
	}
}




$.fn.x = function(n) {
     var result = null;
     this.each(function() {
         var o = this;
         if (n === undefined) {
             var x = 0;
             if (o.offsetParent) {
                 while (o.offsetParent) {
                     x += o.offsetLeft;
                     o = o.offsetParent;
                 }
             }
             if (result === null) {
                 result = x;
             } else {
                 result = Math.min(result, x);
             }
         } else {
             o.style.left = n + 'px';
         }
     });
     return result;
};

$.fn.y = function(n) {
     var result = null;
     this.each(function() {
         var o = this;
         if (n === undefined) {
             var y = 0;
             if (o.offsetParent) {
                 while (o.offsetParent) {
                     y += o.offsetTop;
                     o = o.offsetParent;
                 }
             }
             if (result === null) {
                 result = y;
             } else {
                 result = Math.min(result, y);
             }
         } else {
             o.style.top = n + 'px';
         }
     });
     return result;
};


/**
 * @author hedgehog
 */

function EventDelegator(options){
	if(this.__EVENT_DELEGATOR__) return;
	this.__EVENT_DELEGATOR__=true;
	var _subscriptions={};
	
	this.subscribe_to=function(event_key,event_delegate){
		if(!_subscriptions[event_key]){
			_subscriptions[event_key]=[];
		}
		
		_subscriptions[event_key].push(event_delegate);
	};
	
	this.unsubscribe_to=function(event_key,event_delegate){
		$.each(_subscriptions[event_key],function(i,n){
			if(event_delegate==n){
				_subscriptions[event_key][i]=null;
			}
		});
	}
	
	this.raise_event=function(event_name,args){
		function each_subscription(index,item){
			if(item){
				item(args);
			}
			
		}

		if (_subscriptions[event_name]) {
			$.each(_subscriptions[event_name], each_subscription);
		}
	};
}




/**
 * @author hedgehog
 */



function BaseView(scope){
 	EventDelegator.call(this,scope);

    this.render_template=function(template,data,callback){
        TemplateTank.get_template_from_URI(template,function(_data){
            callback(Templating.parseTemplate({
                data:data,
                template:_data
            }));
        });
    };

    this.render_template_with_view=function(template,data,view,callback){
        TemplateTank.get_template_from_URI(template,function(_data){
            callback(Templating.parseTemplate({
                data:data,
                view:view,
                template:_data
            }));
        });
    };
	
	this.render_template_from_markup=function(obj,callback){
		var temp = Templating.parseTemplate({
                data:obj.data,
                view:obj.view,
                template:obj.template
            });	
	callback(temp);
	};

}


/**
 * @author hedgehog
 */
function BaseController(scope){
	EventDelegator.call(this,scope);
}


/**
 * @author hedgehog
 */



function BaseModel(scope){
	EventDelegator.call(this,scope);
}

//  Static helper method to convert models that should be arrays into arrays
BaseModel.to_array=function(obj){
    if (obj.constructor.toString().indexOf("Array") == -1) obj=[obj];
    return obj
}


function AvailabilityView(){}
AvailabilityView.show_overlay=function(){};

$(function(e){
	// Create overlay and append to body:
    $('<div id="overlay"><p>Checking Availability</p></div>').hide().appendTo('body');
	
	function show_overlay(){
        $('#overlay').show();
	}
	AvailabilityView.show_overlay=show_overlay;
	
});





 

function ReservationView(scope){
	
	BaseView.call(this,scope);
	var _result = null;
	$('#dialog-box').dialog({autoOpen: false,dialogClass: 'deleteRes',title:"Cancel this reservation?", modal:true});
	$("a[rel='deleteReservation']").bind("click",function(){
	    var _href = $(this).attr("href");
	        $('#dialog-box').dialog('option', 'buttons', {'Yes': 
                                        function() { 
                                           window.location = _href;
                                           $('#dialog-box').dialog('close');
                                         },
                                         'No': function() { $('#dialog-box').dialog('close'); }
                                    });
            $('#dialog-box').dialog('open');
	    
        return false;
	});
}

	

function ReservationController(scope){
    
    
}

/**
 * @author markforster
 */
function MetaDataModel(scope){
	BaseModel.call(this,scope);
	var _this=this;
	var _model=null;
	this.model=function(){
		
		if(_model==null){
			//_model=
			_model={};
			var meta=$("meta",document.head);
			$.each(meta,function(i,n){
				_model[$(n).attr('name')]=$(n).attr('content');
			});
			_this.raise_event('on_model_changed',_model);
		}
		return _model;
	}
}








$(function(){
	//	Services
	var _meta_model=new MetaDataModel();

	// Views
	var _reservation_view=new ReservationView({});
	
	//	Controllers
	var _reservation_controller=new ReservationController({
		reservation_view:_reservation_view,
		meta_model:_meta_model
	});
	
});