using System;
using Deltares.Dam.Data;
using Deltares.Dam.Data.IO;
using Deltares.Geotechnics;
using Deltares.Standard.Reflection;
using NUnit.Framework;

namespace Deltares.Dam.Tests.IO
{
    public class FailureMechanismeParamatersMStabXmlHandlerTest
    {
        private FailureMechanismeParamatersMStabXmlHandler target;

        [SetUp]
        public void SetUp()
        {
            target = new FailureMechanismeParamatersMStabXmlHandler();
        }

        [Test]
        public void CanHandle_ForLocationAndSurfacelineProperty_ReturnsTrue()
        {
            // setup
            var propertyName = StaticReflection.GetMemberName<FailureMechanismeParamatersMStab>(x => x.SurfaceLine);
            // call
            var result = target.CanHandle(typeof(FailureMechanismeParamatersMStab), propertyName);

            // assert
            Assert.IsTrue(result);
        }

        [Test]
        [TestCase(null, null)]
        [TestCase(typeof(Object), "string")]
        public void CanHandle_ForAnyOtherTypeAndProperty_ReturnsFalse(Type type, String property)
        {
            // setup
            // call
            var result = target.CanHandle(type, property);

            // assert
            Assert.IsFalse(result);

        }

        [Test]
        public void Handle_ThrowsNotImplementedException()
        {
            // setup
            // call
            var testDelegate = new TestDelegate(() => target.Handle(null, null, null));

            // assert
            Assert.Throws<NotImplementedException>(testDelegate);
        }

        [Test]
        public void HandleObject_LocationTargetWithIncorrectValueType_NoChange()
        {
            // setup
            var failureMechanism = new FailureMechanismeParamatersMStab();
            var locationSurfaceLineProperty = failureMechanism.GetMemberName(x => x.SurfaceLine);
            var surfaceLine2 = new SurfaceLine2();

            failureMechanism.SurfaceLine = surfaceLine2;

            // call
            var canHandle = target.CanHandle(failureMechanism.GetType(), locationSurfaceLineProperty);
            target.HandleObject(failureMechanism, new SoilProfile());

            // assert
            Assert.IsTrue(canHandle);
            Assert.AreEqual(surfaceLine2, failureMechanism.SurfaceLine);
        }

        [Test]
        public void HandleObject_LocationTargetWithSurfaceLineValueType_ChangeToConvertedSurfaceLine2()
        {
            // setup
            var failureMechanism = new FailureMechanismeParamatersMStab();
            var locationSurfaceLineProperty = failureMechanism.GetMemberName(x => x.SurfaceLine);
            var surfaceLine = new SurfaceLine();

            Assert.IsNull(failureMechanism.SurfaceLine);

            // call
            var canHandle = target.CanHandle(failureMechanism.GetType(), locationSurfaceLineProperty);
            target.HandleObject(failureMechanism, surfaceLine);

            // assert
            Assert.IsTrue(canHandle);
            Assert.NotNull(failureMechanism.SurfaceLine);
        }
        
    }
}