using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using Core.Common.Controls.TreeView;
using Core.Common.Gui;
using Core.Common.Gui.ContextMenu;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Piping.Forms.PresentationObjects;
using Ringtoets.Piping.Plugin;
using PipingFormsResources = Ringtoets.Piping.Forms.Properties.Resources;

namespace Ringtoets.Piping.Forms.Test.TreeNodeInfos
{
    [TestFixture]
    public class EmptyPipingOutputTreeNodeInfoTest
    {
        private MockRepository mocks;
        private PipingGuiPlugin plugin;
        private TreeNodeInfo info;

        [SetUp]
        public void SetUp()
        {
            mocks = new MockRepository();
            plugin = new PipingGuiPlugin();
            info = plugin.GetTreeNodeInfos().First(tni => tni.TagType == typeof(EmptyPipingOutput));
        }

        [Test]
        public void Initialized_Always_ExpectedPropertiesSet()
        {
            // Assert
            Assert.AreEqual(typeof(EmptyPipingOutput), info.TagType);

            Assert.IsNull(info.ChildNodeObjects);
            Assert.IsNull(info.CanRename);
            Assert.IsNull(info.OnNodeRenamed);
            Assert.IsNull(info.CanRemove);
            Assert.IsNull(info.OnNodeRemoved);
            Assert.IsNull(info.CanCheck);
            Assert.IsNull(info.IsChecked);
            Assert.IsNull(info.OnNodeChecked);
            Assert.IsNull(info.CanDrag);
            Assert.IsNull(info.CanDrop);
            Assert.IsNull(info.CanInsert);
            Assert.IsNull(info.OnDrop);
        }

        [Test]
        public void Text_Always_ReturnsFromResource()
        {
            // Call
            var text = info.Text(null);

            // Assert
            Assert.AreEqual(PipingFormsResources.PipingOutput_DisplayName, text);
        }

        [Test]
        public void Image_Always_ReturnsPlaceHolderIcon()
        {
            // Call
            var image = info.Image(null);

            // Assert
            TestHelper.AssertImagesAreEqual(PipingFormsResources.PipingOutputIcon, image);
        }

        [Test]
        public void ForeColor_Always_ReturnsGrayText()
        {
            // Call
            var textColor = info.ForeColor(null);

            // Assert
            Assert.AreEqual(Color.FromKnownColor(KnownColor.GrayText), textColor);
        }

        [Test]
        public void GetContextMenu_Always_CallsContextMenuBuilderMethods()
        {
            // Setup
            var gui = mocks.StrictMock<IGui>();
            var menuBuilderMock = mocks.StrictMock<IContextMenuBuilder>();
            var nodeMock = mocks.StrictMock<TreeNode>();

            menuBuilderMock.Expect(mb => mb.AddExportItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddSeparator()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.AddPropertiesItem()).Return(menuBuilderMock);
            menuBuilderMock.Expect(mb => mb.Build()).Return(null);

            gui.Expect(cmp => cmp.Get(nodeMock, info)).Return(menuBuilderMock);
            mocks.ReplayAll();

            plugin.Gui = gui;

            // Call
            info.ContextMenuStrip(null, nodeMock, info);

            // Assert
            mocks.VerifyAll();
        }
    }
}