using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using System;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Reflection;
using System.Web.Mvc;
using Controller = Admin.Controllers.PaymentController;

namespace Admin.UnitTests.Controllers.Payment.Remove
{
    [TestClass]
    [ExcludeFromCodeCoverage]
    public class Get : TestBase
    {
        public Get()
        {
            SetupController();
        }

        private MethodInfo GetMethod()
        {
            return GetMethod(typeof(HttpGetAttribute), nameof(Controller.RemoveItem));
        }

        private ActionResult GetResult()
        {
            MockIndexViewModelBuilder.Setup(x => x.Build(It.IsAny<Models.Payment.IndexViewModel>())).Returns(new Models.Payment.IndexViewModel());
            MockRemoveCommand.Setup(x => x.Execute(It.IsAny<Guid>())).Returns(new Admin.Classes.Commands.CommandResult(true));
            MockSetAddressCommand.Setup(x => x.Execute(It.IsAny<Models.Payment.IndexViewModel>())).Returns(new Admin.Classes.Commands.CommandResult(true));

            return Controller.RemoveItem(Guid.NewGuid());
        }

        [TestMethod]
        public void HasCorrectNumberOfCustomAttributes()
        {
            Assert.AreEqual(1, GetMethod().CustomAttributes.Count());
        }

        [TestMethod]
        public void HasASingleHttpGetAttribute()
        {
            Assert.AreEqual(1, GetMethod().CustomAttributes.Where(ca => ca.AttributeType == typeof(HttpGetAttribute)).Count());
        }

        [TestMethod]
        public void ReturnsANewView()
        {
            var result = GetResult();

            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result, typeof(ViewResult));
        }

        [TestMethod]
        public void ReturnsCorrectViewName()
        {
            var result = GetResult() as ViewResult;

            Assert.IsNotNull(result);
            Assert.IsTrue(string.IsNullOrEmpty(result.ViewName) || result.ViewName == nameof(Controller.Index));
        }

        [TestMethod]
        public void ReturnsAViewModel()
        {
            var result = GetResult() as ViewResult;

            Assert.IsNotNull(result);
            Assert.IsNotNull(result.Model);
        }

        [TestMethod]
        public void ReturnsCorrectViewModelType()
        {
            var result = GetResult() as ViewResult;

            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result.Model, typeof(Models.Payment.IndexViewModel));
        }
    }
}