using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using PixiEditor.Models.Controllers;
using PixiEditor.Models.DataHolders;
using PixiEditor.Models.Layers;
using PixiEditor.Models.Position;
using SkiaSharp;
using Xunit;

namespace PixiEditorTests.ModelsTests.ControllersTests
{
    public class ClipboardControllerTests
    {
        //private const string Text = "Text data";
        //private readonly SKColor testColor = new SKColor(223, 20, 52);

        //[StaFact]
        //public void TestThatClipboardControllerIgnoresNonImageDataInClipboard()
        //{
        //    Clipboard.Clear();
        //    Clipboard.SetText(Text);
        //    Surface img = ClipboardController.GetImagesFromClipboard();
        //    Assert.Null(img);
        //}

        //[StaFact]
        //public void TestThatIsImageInClipboardWorksForDib()
        //{
        //    Clipboard.Clear();
        //    Clipboard.SetImage(BitmapFactory.New(10, 10));
        //    Assert.True(ClipboardController.IsImageInClipboard());
        //}

        //[StaFact]
        //public void TestThatClipboardControllerSavesImageToClipboard()
        //{
        //    Layer testLayer = new Layer("test layer", 10, 10);
        //    ClipboardController.CopyToClipboard(new[] { testLayer }, CoordinatesCalculator.RectangleToCoordinates(0, 0, 9, 9).ToArray(), 10, 10);
        //    Assert.True(ClipboardController.IsImageInClipboard());
        //}

        //[StaFact]
        //public void TestThatCopyToClipboardWithSelectionSavesCorrectBitmap()
        //{
        //    Clipboard.Clear();

        //    Layer testLayer = new Layer("test layer", 10, 10);
        //    Layer testLayer2 = new Layer("test layer", 10, 10);
        //    testLayer.SetPixel(new Coordinates(4, 4), testColor);
        //    testLayer2.SetPixel(new Coordinates(5, 5), testColor);

        //    ClipboardController.CopyToClipboard(
        //        new[] { testLayer, testLayer2 },
        //        new[] { new Coordinates(4, 4), new Coordinates(5, 5) },
        //        10,
        //        10);

        //    BitmapSource img = Clipboard.GetImage(); // Using default Clipboard get image to avoid false positives from faulty ClipboardController GetImage

        //    Assert.True(ClipboardController.IsImageInClipboard());
        //    Assert.NotNull(img);
        //    Assert.Equal(2, img.Width);
        //    Assert.Equal(2, img.Height);

        //    using Surface bmp = new Surface(new WriteableBitmap(img));
        //    Assert.Equal(testColor, bmp.GetSRGBPixel(0, 0));
        //    Assert.Equal(testColor, bmp.GetSRGBPixel(1, 1));
        //}

        //[StaFact]
        //public void TestThatClipboardControllerGetsCorrectImageInDibFormatFromClipboard()
        //{
        //    Clipboard.Clear();
        //    using Surface bmp = new Surface(10, 10);
        //    bmp.SetSRGBPixel(4, 4, testColor);
        //    Clipboard.SetImage(bmp.ToWriteableBitmap());

        //    Surface img = ClipboardController.GetImagesFromClipboard();
        //    Assert.NotNull(img);
        //    Assert.Equal(10, img.Width);
        //    Assert.Equal(10, img.Height);
        //    Assert.Equal(testColor, bmp.GetSRGBPixel(4, 4));
        //}

        //[StaFact]
        //public void TestThatClipboardControllerGetsCorrectImageInPngFormatFromClipboard()
        //{
        //    Clipboard.Clear();
        //    using Surface bmp = new Surface(10, 10);
        //    bmp.SetSRGBPixel(4, 4, testColor);
        //    using (MemoryStream pngStream = new MemoryStream())
        //    {
        //        DataObject data = new DataObject();

        //        PngBitmapEncoder encoder = new PngBitmapEncoder();
        //        encoder.Frames.Add(BitmapFrame.Create(bmp.ToWriteableBitmap()));
        //        encoder.Save(pngStream);
        //        data.SetData("PNG", pngStream, false); // PNG, supports transparency
        //        Clipboard.SetDataObject(data, true);
        //    }

        //    Surface img = ClipboardController.GetImagesFromClipboard();
        //    Assert.NotNull(img);
        //    Assert.Equal(10, img.Width);
        //    Assert.Equal(10, img.Height);
        //    Assert.Equal(testColor, bmp.GetSRGBPixel(4, 4));
        //}

        //[StaFact]
        //public void TestThatClipboardControllerGetsCorrectImageInBitmapFormatFromClipboard()
        //{
        //    Clipboard.Clear();
        //    using Surface bmp = new Surface(10, 10);
        //    bmp.SetSRGBPixel(4, 4, testColor);

        //    DataObject data = new DataObject();
        //    data.SetData(DataFormats.Bitmap, bmp, false); // PNG, supports transparency
        //    Clipboard.SetDataObject(data, true);

        //    Surface img = ClipboardController.GetImagesFromClipboard();
        //    Assert.NotNull(img);
        //    Assert.Equal(10, img.Width);
        //    Assert.Equal(10, img.Height);
        //    Assert.Equal(testColor, bmp.GetSRGBPixel(4, 4));
        //}
    }
}