ED = {};
Views = {};
Models = {};

var _rootApplication;

edApplication = function(oInit) {
	if (typeof edContext() === "undefined") {
		console.error("edContext has not been initialized. Do it by calling edContext(initObject)");
	} else {
		if (typeof _rootApplication === "undefined") {
			this.initialize(oInit);
		}
	}
	return _rootApplication;
};
window.edApplication = edApplication;

edApplication.prototype.setDefaultParameters = function() {
	this.path = "./";
	this.skin = "default";
	this.softwareid = Utils.getParameterByName("SfwID");
	this.edTagsList = {};
	
	//enabling cors support
	$.support.cors = true;
};

edApplication.prototype.initialize = function(oInit) {
	$(document).trigger("edApplication_preInitialize");
	
	_rootApplication = this;
	
	this.setDefaultParameters();
	
	if (typeof oInit !== "undefined") {
		for (var attrname in oInit) {
			_rootApplication[attrname] = oInit[attrname];
		}
	}
	
	$(document).one("labels_loaded", this.loadJS);
	$(document).one("js_loaded", this.normalizeEdDescriptor);
	$(document).one("js_loaded", this.loadCSS);
	$(document).one("js_loaded", function() {
		edManager.edViews = new Backbone.Collection();
		edManager.edGroups = new Backbone.Collection();
	});
	$(document).one("js_loaded", function() {
		edContext().loadLocaleDependencies();
	});
	$(document).one("css_loaded", this.loadTemplates);
	$(document).one("templates_loaded", function(){$(document).trigger("edApplication_onInitialize");});
	
	Utils.loadGoogleAPIsLoader();
	
	//this.loadJS();
	this.loadLabels();
	
	return _rootApplication;
};
edApplication.prototype.getImagePath = function() {
	return this.path + "skins/" + this.skin + "/images/";
};
edApplication.prototype.getCssPath = function() {
	return this.path + "skins/" + this.skin + "/css/";
};
edApplication.prototype.check = function() {
	if (typeof _rootApplication === "undefined") {
		console.error("edApplication has not been initialized. Do it by calling TODO");
		return false;
	}	
	return true;
};

edApplication.prototype.get = function(sPropertyName) {
	if (!this.check()) return undefined;
	return _rootApplication[sPropertyName];
};

edApplication.prototype.normalizeEdDescriptor = function() {
	var that = edApplication();
	for (var attrname in ED.Descriptor) {
		if (ED.Descriptor[attrname].addView) {
			ED.Descriptor[attrname].addView = ED.Descriptor[ED.Descriptor[attrname].addView];
		}
		var isList = (attrname.substring(attrname.length-4, attrname.length) == "List");
		if (isList) {
			if (ED.Descriptor[attrname].viewItem) {
				ED.Descriptor[attrname].viewItem = ED.Descriptor[ED.Descriptor[attrname].viewItem];
			} else {
				var viewItemName = attrname.substring(0, attrname.length-4);
				ED.Descriptor[attrname].viewItem = ED.Descriptor[viewItemName];
			}
		} else {
			if (ED.Descriptor[attrname].viewList) {
				ED.Descriptor[attrname].viewList = ED.Descriptor[ED.Descriptor[attrname].viewList];
			} else {
				var viewListName = attrname + "List";
				ED.Descriptor[attrname].viewList = ED.Descriptor[viewListName];
			}
		}
		if (ED.Descriptor[attrname].edTag) {
			that.edTagsList[ED.Descriptor[attrname].edTag] = ED.Descriptor[attrname];
		}
	}
};

edApplication.prototype.loadLabels = function() {
	//before loading templates, we need to load labels.jsp that contains all messages needed by templates ans views
	var url = this.path + 'js/edeal/config/labels.jsp';
    $.ajax({
    	url: url, 
    	dataType: "json",
    	timeout: 20000,
    	cache: true
    })
    .success(function(data) {
    	edApplication().labels = data;
    	/*console.log(data);
    	console.log("labels loading complete");
       	console.log(edApplication().labels);*/
       	
       	$(document).trigger("labels_loaded");
	 })
	 .error(function(jqXHR, textStatus, errorThrown) {
		 console.error("unable to load js/edeal/config/labels.jsp.");
		 $(document).trigger("labels_loaded");
     });
    
};

edApplication.prototype.loadJS = function() {
	var that = edApplication();
	
	include(that.path + "js/edeal/config/jsDependencies.js", function(){
		that.loadAllJS();
	});
};

edApplication.prototype.loadAllJS = function() {
	var dependencies = ED.JSDependencies;
	var that = edApplication();
	
    var includeJS = function(files, subDependencies) {
    	var filesToInclude = new Array();
		for (var i=0;i<files.length;i++) {
			filesToInclude.push(that.path + files[i]);
		}
		if (filesToInclude.length > 0) {
			include(filesToInclude, function(){
				if (subDependencies) {
					var callbackLoadSub = $.Callbacks("once");
					callbackLoadSub.add(
							function(){
								includeJS(subDependencies.files, subDependencies.subDependencies);
					});
					callbackLoadSub.fireWith( this );
				} else {
					$(document).trigger("js_loaded");
				}
			});
		}
    };
    includeJS(dependencies.files, dependencies.subDependencies);
};

edApplication.prototype.loadCSS = function() {
	var that = edApplication();
	
	include(that.path + "js/edeal/config/cssDependencies.js", function(){
		that.loadAllCSS();
	});
};

edApplication.prototype.loadAllCSS = function() {
	var dependencies = ED.CSSDependencies;

	var files;
	for (var filesgroup in dependencies) {
		files = dependencies[filesgroup];
		for (var i=0;i<files.length;i++) {
			$("head").append("<link rel='stylesheet' type='text/css' href='"+ this.path + "skins/" + this.skin + "/css/" + files[i] + "' />");
		}
	}

	$(document).trigger("css_loaded");
};

edApplication.prototype.loadTemplates = function() {
	var that = edApplication();
	
	//load all the templates needed by views
	var templateNamesArray = new Array();
	templateNamesArray.push("nowLoading.html");
	
	for (var attrname in ED.Descriptor) {
		//templates
		var templateList = ED.Descriptor[attrname].templates;
		for (var templatename in templateList) {
			if (!templateNamesArray[templateList[templatename]]) {
				templateNamesArray.push(templateList[templatename]);
			}
		}
	}
	
	that.templatesNames = templateNamesArray;
	that.templates= {};
	
    var loadTemplate = function(index) {
        var tplname = that.templatesNames[index];
        if (!that.templates[tplname]) {
        	//console.log("loading " + tplname);
			var url = that.path + 'skins/' + edApplication().skin + '/templates/' + tplname;
	        $.ajax({
	        	url: url, 
	        	dataType: "html",
	        	timeout: 20000,
	        	cache: true
	        })		
	        .success(function(data) {
	        	//console.log(data);
	            that.templates[tplname] = data;
		        index++;
		        if (index < that.templatesNames.length) {
		            loadTemplate(index);
		        } else {
		        	$(document).trigger("templates_loaded");
		        }
	        })
	        .error(function(jqXHR, textStatus, errorThrown) {
	        	console.error(tplname + " is not defined. You must create this template, or correct your edDescriptor.");
				console.error("jqXHR object :");
				console.error(jqXHR);
				console.error("textStatus :");
				console.error(textStatus);
				console.error("errorThrown : ");
				console.error(errorThrown);
	        	index++;
	        	if (index < that.templatesNames.length) {
	                loadTemplate(index);
	            } else {
            		$(document).trigger("templates_loaded");
	            }
	        });
        } else { 
        	//console.log("already loaded !");
	        index++;
	        if (index < that.templatesNames.length) {
	            loadTemplate(index);
	        } else {
	        	$(document).trigger("templates_loaded");
	        }
        }
    };
    loadTemplate(0);
};

edApplication.prototype.getTemplateByName = function(sTemplateName) {
	return this.templates[sTemplateName];
};

edApplication.prototype.getViewByID = function(sID) {
	console.log("edApplication().getViewByID() is deprecated, please call edManager.getViewByID() instead");
	return edManager.getViewByID(sID);
};

edApplication.prototype.getGroupByID = function(sID) {
	console.log("edApplication().getGroupByID() is deprecated, please call edManager.getGroupByID() instead");
	return edManager.getGroupByID(sID);
};