(function() {
	window.app.factory('inventorySvc', inventorySvc);

	inventorySvc.$inject = ['$http'];
	function inventorySvc($http) {
		var inventories = [];

		loadInventories();

		var svc = {
			add: add,
			update: update,
			inventories: inventories,
			getInventory: getInventory,
		};

		return svc;

		function loadInventories() {
			$http.post('/Inventory/All')
				.success(function(data) {
					inventories.addRange(data);
				});
		}

		function add(inventory) {
			return $http.post('/Inventory/Add', inventory)
				.success(function(inventory) {
					inventories.unshift(inventory);
				});
		}

		function update(existingInventory, updatedInventory) {
			return $http.post('/Inventory/Update', updatedInventory)
				.success(function(inventory) {
					angular.extend(existingInventory, inventory);
				});
		}

		function getInventory(id) {
			for (var i = 0; i < inventories.length; i++) {
				if (inventories[i].Id == id) return inventories[i];
			}

			return null;
		}
	}
})();