using Admin.Models.Transaction;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Reflection;
using System.Web.Mvc;
using Web.Mvc.Navigation;

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

        private MethodInfo GetMethod()
        {
            return GetMethod(typeof(AcceptVerbsAttribute), nameof(Controller.ListForTransactionImport));
        }

        private ActionResult GetResult(SearchCriteria model)
        {
            return Controller.ListForTransactionImport(model);
        }

        [TestMethod]
        public void HasCorrectNumberOfCustomAttributes()
        {
            Assert.AreEqual(3, GetMethod().CustomAttributes.Count());
        }

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

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

        [TestMethod]
        public void NavigatablePageActionFilterAttributeHasCorrectDisplayText()
        {
            var attribute = GetMethod().CustomAttributes.Single(ca => ca.AttributeType == typeof(NavigatablePageActionFilterAttribute));

            var namedArgument = attribute.NamedArguments.Where(x => x.MemberName == "DisplayText").First();

            Assert.AreEqual("Transactions", namedArgument.TypedValue.Value);
        }

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

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

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

            Assert.IsNotNull(result);
            Assert.IsTrue(string.IsNullOrEmpty(result.ViewName) || result.ViewName == "~/Views/Transaction/List.cshtml");
        }
    }
}