using System.Linq;
using System.Threading;
using System.Windows.Forms;
using DelftTools.TestUtils;
using GisSharpBlog.NetTopologySuite.Geometries;
using NUnit.Framework;
using SharpMap.Data.Providers;
using SharpMap.Extensions.Layers;
using SharpMap.Layers;
using SharpMap.UI.Forms;
using SharpMap.UI.Tools.Zooming;
using SharpTestsEx;

namespace SharpMap.UI.Tests.Forms
{
    [TestFixture]
    public class MapControlTest
    {
        [SetUp]
        public void SetUp()
        {
            LogHelper.ConfigureLogging();
        }

        [Test]
        [Category(TestCategory.WindowsForms)]
        public void DisablingLayerShouldRefreshMapControlOnce()
        {
            using (var mapControl = new MapControl())
            {
                WindowsFormsTestHelper.Show(mapControl);

                mapControl.Map.Layers.Add(new GroupLayer("group1"));

                while (mapControl.IsProcessing)
                {
                    Application.DoEvents();
                }

                var refreshCount = 0;
                mapControl.MapRefreshed += delegate
                                               {
                                                   refreshCount++;
                                               };


                mapControl.Map.Layers.First().Visible = false;

                while (mapControl.IsProcessing)
                {
                    Application.DoEvents();
                }

                // TODO: currently second refresh can happen because of timer in MapControl - timer must be replaced by local Map / Layer / MapControl custom event
                refreshCount.Should("map should be refreshed once when layer property changes").Be.LessThanOrEqualTo(2);
            }
        }

        [Test]
        [Category(TestCategory.WindowsForms)]
        public void PanZoomUsingMouseWheelTest()
        {
            var map = new Map();

            var layer = new OpenStreetMapLayer();
            map.Layers.Add(layer);

            var mapControl = new MapControl { Map = map };

            var panZoomUsingMouseWheelTool = mapControl.GetToolByType<PanZoomUsingMouseWheelTool>();
            Assert.IsNotNull(panZoomUsingMouseWheelTool);
            Assert.True(panZoomUsingMouseWheelTool.IsActive);
           
            WindowsFormsTestHelper.ShowModal(mapControl);
        }
    
        [Test]
        public void SelectToolIsActiveByDefault()
        {
            var mapControl = new MapControl();

            Assert.IsTrue(mapControl.SelectTool.IsActive);
        }

        [Test]
        [Category(TestCategory.WindowsForms)]
        public void ChangingEnvelopeAfterMapControlIsShownWorksCorrectly()
        {
            var layer = new VectorLayer { DataSource = new DataTableFeatureProvider("POINT(1 1)") };
            var map = new Map { Layers = { layer } };

            var mapControl = new MapControl { Map = map };

            var viewEnvelope = new Envelope(10000, 10010, 10000, 10010);

            WindowsFormsTestHelper.Show(mapControl,
                delegate
                    {
                        map.ZoomToFit(viewEnvelope);
                    });

            for (var i = 0; i < 10; i++)
            {
                Application.DoEvents();
                Thread.Sleep(100);
            }

            Assert.IsTrue(map.Envelope.Contains(viewEnvelope));

            WindowsFormsTestHelper.CloseAll();
        }
    }
}