angular.module('homepage').
directive('foodPanel', function () {
	return {
		controller: 'foodPanelController',
		restrict: 'E',
		replace: true,
		scope: {
			food: '='
		},
		templateUrl: 'components/feature-components/food/food-panel.html'
	};
}).
controller('foodPanelController', function ($scope) {
	function setItem() {
		return {
			mealtype: '',
			quantity: 1,
			qtytype: ''
		};
	}

	$scope.isVisible = {};
	$scope.food.list = [];
	$scope.food.list[0] = setItem();

	/**
	 * @param {type}
	 * possible values: FOOD, DRNK
	 */
	$scope.setType = function (type) {
		$scope.food.list[0].mealtype = type;
	};

	/**
	 * @param {type}
	 * possible values:
	 * 	FOOD - PCE, TSP, BWL, ONC, GRM
	 * 	DRNK - CUP, GLS, BTL, PTR, TWR, LTR;
	 */
	$scope.setQtyType = function (type) {
		$scope.food.list[0].qtytype = type;
	};

	/**
	 * Remove the item from zeroth index and add it to list end and empty zeroth index
	 */
	$scope.addNewItem = function () {
		var length = $scope.food.list.length;
		$scope.food.list[length] = $scope.food.list[0];
		$scope.food.list[0] = setItem();
		// Reset view
		$scope.isVisible = {};
		// Remove class 'chosen'
		var elements = document.querySelectorAll('.input-box-wrapper .food-panel .chosen');
		for(var i=0;i<elements.length;i++) {
			elements[i].classList.remove('chosen');
		}
	};
}).
filter('filterMealType', function () {
	/**
	 * Returns items by type and excludes the first item in the list
	 */
	return function (items, type) {
		var filtered = [];
		for (var index in items) {
			if(items[index].mealtype === type && index != 0) {
				filtered.push(items[index]);
			}
		}
		return filtered;
	};
}).
filter('quantityType', function () {
	/**
	 * Returns items by type and excludes the first item in the list
	 */
	return function (type) {
		var text = '';
		switch(type) {
			// DRINKs
			case 'CUP': text = 'Cup'; break;
			case 'GLS': text = 'Glass'; break;
			case 'BTL': text = 'Bottle'; break;
			case 'PTR': text = 'Pitcher'; break;
			case 'TWR': text = 'Tower'; break;
			case 'LTR': text = 'Liter'; break;
			//FOODs
			case 'PCE': text = 'Pieces'; break;
			case 'TSP': text = 'Table Spoon'; break;
			case 'BWL': text = 'Bowl'; break;
			case 'ONC': text = 'Ounce'; break;
			case 'GRM': text = 'Gram'; break;
		}
		return text;
	};
});