using System;
using NUnit.Framework;
using Rhino.Mocks;

namespace ChrisDonnan.DevSession.Tdd.Tests
{
    [TestFixture]
    public class BigFatGuyTests
    {
            [Test]
            public void CanOrder()
            {
                ///setup mocks
                MockRepository mocks = new MockRepository();
                IPizzaShop pizzeShop = mocks.DynamicMock<IPizzaShop>();
                
                /// set dependencies
                PizzaOrder order = new PizzaOrder();
                order.Pizzas.Add(new PizzaSpecification(3));
                const double cost = 9.99*3;
                const int timeToDeliver = 30;

                /// set expectations
                Expect.Call(pizzeShop.AcceptOrder(order)).Return(new PizzaExpectation(timeToDeliver, cost));

                mocks.ReplayAll();
                
                /// instantiate CUT
                BigFatGuy hungryGuy = new BigFatGuy(pizzeShop);
                
                /// Give CUT depends/ call MUT
                PizzaExpectation myOrder = hungryGuy.OrderPizza(order);

                Assert.AreEqual(myOrder.Cost, cost);
                Assert.AreEqual(myOrder.MinutesToDelivery, timeToDeliver);                
                
                mocks.VerifyAll();
            }

            [Test]
            public void CanEat()
            {
                ///setup mocks
                MockRepository mocks = new MockRepository();
                IPizzaShop pizzeShop = mocks.DynamicMock<IPizzaShop>();

                /// set dependencies
                PizzaOrder order = new PizzaOrder();
                order.Pizzas.Add(new PizzaSpecification(3));
                const double cost = 9.99 * 3;
                const int timeToDeliver = 30;

                /// set expectations
                Expect.Call(pizzeShop.AcceptOrder(order)).Return(new PizzaExpectation(timeToDeliver, cost));

                mocks.ReplayAll();

                /// instantiate CUT
                BigFatGuy hungryGuy = new BigFatGuy(pizzeShop);                

                /// Give CUT depends
                PizzaExpectation myOrder = hungryGuy.OrderPizza(order);
                
                ///call MUT
                SatisfactionLevel satisfaction = hungryGuy.Eat();

                Assert.AreEqual(myOrder.Cost, cost);
                Assert.AreEqual(myOrder.MinutesToDelivery, timeToDeliver);
                Assert.AreEqual(satisfaction, SatisfactionLevel.Somewhat);

                mocks.VerifyAll();
            }


        [Test]
        [ExpectedException(typeof(Exception), "NO FOOD!")]
        public void CantEat()
        {
            ///setup mocks
            MockRepository mocks = new MockRepository();
            IPizzaShop pizzeShop = mocks.DynamicMock<IPizzaShop>();

            /// set dependencies
            PizzaOrder order = new PizzaOrder();
            order.Pizzas.Add(new PizzaSpecification(3));
            const double cost = 9.99 * 3;
            const int timeToDeliver = 30;

            /// set expectations
            Expect.Call(pizzeShop.AcceptOrder(order)).Return(new PizzaExpectation(timeToDeliver, cost));

            mocks.ReplayAll();

            /// instantiate CUT
            BigFatGuy hungryGuy = new BigFatGuy(pizzeShop);

            ///call MUT
            hungryGuy.Eat();
            mocks.VerifyAll();
        }
    }
}