define([
	"storage_utils",

	"model/file",

	"underscore",
	"backbone",
],
function(storage_utils,
	FileModel){
	/**
	* Collection to store all the files.
	*/
	var FilesCollection = Backbone.Collection.extend({
		model: FileModel,

		/**
		* See Bakcbone documentation.
		*
		* @param models - not used
		* @param options - options for intializing the collection
		*/
		initialize:function(models, options){
			if(options.clNum){
				this.clNum = options.clNum;
			}

			if(options.workspace){
				this.workspace = options.workspace;
			}
		},

		/**
		* Overload Backbone fetch to use storage utils command instead of ajax call
		*/
		fetch: function(){
            var files = storage_utils.getFiles(this.clNum, this.workspace);

            this.reset(files);
		},

		/**
        * Format all the files selected by the user.
        *  
        * @return - the formated files
        */
        getFormatedFiles: function(){
            var formated_files = "";

            var selected_files = this.where({"is_selected": true});

            //if files limit is reached "selected_files" == "all_files"
            for(var i = 0, length = selected_files.length ; i < length ; i++){
                formated_files += "\n\t" + selected_files[i].get("depotFile");
            }

            return formated_files;
        },
	});

	return FilesCollection;
});