// Copyright (C) Stichting Deltares 2016. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using Core.Common.Base.Geometry;
using Core.Common.Controls.TreeView;
using Core.Common.Controls.Views;
using Core.Common.Gui.ContextMenu;
using Core.Common.TestUtil;
using Core.Common.Utils.Reflection;
using Core.Components.Gis.Data;
using Core.Components.Gis.Features;
using Core.Components.Gis.Geometries;
using Core.Plugins.DotSpatial.Legend;
using Core.Plugins.DotSpatial.Properties;
using NUnit.Framework;
using Rhino.Mocks;

namespace Core.Plugins.DotSpatial.Test.Legend
{
    [TestFixture]
    public class MapLegendViewTest
    {
        private MockRepository mocks;
        private IContextMenuBuilderProvider contextMenuBuilderProvider;
        private IWin32Window parentWindow;

        [SetUp]
        public void SetUp()
        {
            mocks = new MockRepository();
            contextMenuBuilderProvider = mocks.StrictMock<IContextMenuBuilderProvider>();
            parentWindow = mocks.StrictMock<IWin32Window>();
            mocks.ReplayAll();
        }

        [TearDown]
        public void TearDown()
        {
            mocks.VerifyAll();
        }

        [Test]
        public void Constructor_ContextMenuBuilderProviderAndWindowNotNull_CreatesUserControlAndTreeViewControl()
        {
            // Call
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                var treeView = TypeUtils.GetField<TreeViewControl>(view, "treeViewControl");

                // Assert
                Assert.IsInstanceOf<UserControl>(view);
                Assert.IsInstanceOf<IView>(view);
                Assert.IsNull(view.Data);
                Assert.AreEqual(Resources.General_Map, view.Text);
                Assert.IsNotNull(treeView);
                Assert.IsInstanceOf<TreeViewControl>(treeView);
            }
        }

        [Test]
        public void Constructor_ContextMenuBuilderProviderNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate test = () => new MapLegendView(null, parentWindow);

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentNullException>(test, "Cannot create a MapLegendView when the context menu builder provider is null.");
        }

        [Test]
        public void Constructor_ParentWindowNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate test = () => new MapLegendView(contextMenuBuilderProvider, null);

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentNullException>(test, "Cannot create a MapLegendView when the parent window is null.");
        }

        [Test]
        public void Data_MapDataCollection_DataSet()
        {
            // Setup
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                var mapData = new MapDataCollection(new List<MapData>(), "test data");

                // Call
                view.Data = mapData;

                // Assert
                Assert.AreSame(mapData, view.Data);
                Assert.IsInstanceOf<MapData>(view.Data);
            }
        }

        [Test]
        public void Data_MapPointData_DataSet()
        {
            // Setup
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                var mapData = new MapPointData(CreateFeature(), "test data");

                // Call
                view.Data = mapData;

                // Assert
                Assert.AreSame(mapData, view.Data);
                Assert.IsInstanceOf<MapData>(view.Data);
            }
        }

        [Test]
        public void Data_MapLineData_DataSet()
        {
            // Setup
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                var mapData = new MapLineData(CreateFeature(), "test data");

                // Call
                view.Data = mapData;

                // Assert
                Assert.AreSame(mapData, view.Data);
                Assert.IsInstanceOf<MapData>(view.Data);
            }
        }

        [Test]
        public void Data_MapPolygonData_DataSet()
        {
            // Setup
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                var mapData = new MapPolygonData(CreateFeature(), "test data");

                // Call
                view.Data = mapData;

                // Assert
                Assert.AreSame(mapData, view.Data);
                Assert.IsInstanceOf<MapData>(view.Data);
            }
        }

        [Test]
        public void Data_ForNull_NullSet()
        {
            // Setup
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                // Call
                view.Data = null;

                // Assert
                Assert.IsNull(view.Data);
            }
        }

        [Test]
        public void Data_OtherObject_ThrowsInvalidCastException()
        {
            // Setup 
            using (var view = new MapLegendView(contextMenuBuilderProvider, parentWindow))
            {
                // Call
                TestDelegate test = () => view.Data = new object();

                // Assert
                Assert.Throws<InvalidCastException>(test);
            }
        }

        [Test]
        public void Dispose_Always_DataSetToNull()
        {
            // Setup
            var mapLegendView = new MapLegendView(contextMenuBuilderProvider, parentWindow);
            var treeViewControl = TypeUtils.GetField<TreeViewControl>(mapLegendView, "treeViewControl");

            // Call
            mapLegendView.Dispose();

            // Assert
            Assert.IsNull(mapLegendView.Data);
            Assert.IsNull(treeViewControl.Data);
            Assert.IsTrue(treeViewControl.IsDisposed);
        }

        private MapFeature[] CreateFeature()
        {
            return new []
            {
                new MapFeature(new []
                {
                    new MapGeometry(new[]
                    {
                        Enumerable.Empty<Point2D>()
                    })
                })
            };
        }
    }
}