var PetsDAO = (function() {
	var resourcePath = "rest/people/";
	var requestByAjax = function(data, done, fail, always){
		done = typeof done !== 'undefined' ? done : function(){};
		fail = typeof fail !== 'undefined' ? fail : function(){};
		always = typeof always !== ' undefined' ? always : function() {};
			let authToken = localStorage.getItem('authorization-token');
			/*if(authToken !== null){
				data.beforeSend = function(xhr){
					xhr.setRequestHeader('Authorization', 'Basic' + authToken);
				};
			}*/
			$.ajax(data).done(done).fail(fail).always(always);
		};
		
		function PetsDAO(idOwner){
			resourcePath = "rest/people/" + idOwner + "/pets/";
			this.listPets = function(done, fail, always){
				requestByAjax({
					url : resourcePath,
					type : 'GET'
				}, done, fail, always);
			};
			
			this.addPet = function(pet, done, fail, always){
				requestByAjax({
					url : resourcePath,
					type : 'POST',
					data : pet
				}, done, fail, always);
			};
			
			this.deletePet = function(id, done, fail, always){
				requestByAjax({
					url : resourcePath + id,
					type : 'DELETE'
				}, done, fail, always);
			};
			
			this.modifyPet = function(pet, done, fail, always){
				requestByAjax({
					url : resourcePath + pet.id,
					type : 'PUT',
					data : pet
				}, done, fail, always);
			}
		}
	
	return PetsDAO;
})();