using BlurgText;
using Dashboard.BlurgText;
using Dashboard.BlurgText.OpenGL;
using Dashboard.Controls;
using Dashboard.Drawing;
using Dashboard.Events;
using Dashboard.OpenGL;
using Dashboard.OpenTK.PAL2;
using Dashboard.Pal;
using Dashboard.StbImage;
using OpenTK.Graphics.OpenGL;
using OpenTK.Mathematics;
using OpenTK.Platform;
using TK = OpenTK.Platform.Toolkit;
Application app = new Pal2Application(new ToolkitOptions()
{
    ApplicationName = "DashTerm",
    Windows = new ToolkitOptions.WindowsOptions()
    {
        EnableVisualStyles = true,
        IsDPIAware = true,
    },
    FeatureFlags = ToolkitFlags.EnableOpenGL,
})
{
    GraphicsApiHints = new OpenGLGraphicsApiHints()
    {
        Version = new Version(4, 1),
        ForwardCompatibleFlag = true,
        DebugFlag = true,
        Profile = OpenGLProfile.Core,
        sRGBFramebuffer = true,

        SwapMethod = ContextSwapMethod.Undefined,

        RedColorBits = 8,
        GreenColorBits = 8,
        BlueColorBits = 8,
        AlphaColorBits = 8,
        Multisamples = 0,

        SupportTransparentFramebufferX11 = true,
    }
};

CancellationTokenSource source = new CancellationTokenSource();

app.Initialize();
app.ExtensionRequire<StbImageLoader>();
app.ExtensionLoad(new BlurgTextExtension(new BlurgTextExtensionFactory()));

PhysicalWindow window = (PhysicalWindow)app.CreatePhysicalWindow();
MessageBox box = MessageBox.Create(window, "Are you sure you want to exit?", "Confirm Exit", MessageBoxIcon.Question,
    MessageBoxButtons.YesNo);

window.Title = "DashTerm";
TK.Window.SetMinClientSize(window.WindowHandle, 300, 200);
TK.Window.SetClientSize(window.WindowHandle, new Vector2i(320, 240));
TK.Window.SetBorderStyle(window.WindowHandle, WindowBorderStyle.ResizableBorder);
// TK.Window.SetTransparencyMode(wnd, WindowTransparencyMode.TransparentFramebuffer, 0.1f);

GLDeviceContext context = (GLDeviceContext)window.DeviceContext;

context.GLContext.MakeCurrent();
context.GLContext.SwapGroup.SwapInterval = 1;

GL.Disable(EnableCap.DepthTest);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.ColorMask(true, true, true, true);

TK.Window.SetMode(window.WindowHandle, WindowMode.Normal);

window.DeviceContext.ExtensionRequire<IDeviceContextBase>().ScaleOverride = 1.5f;

IDirectRendering direct = window.DeviceContext.ExtensionRequire<IDirectRendering>();
IImmediateMode imm = window.DeviceContext.ExtensionRequire<IImmediateMode>();
ImmediateVertex[] vertices = new ImmediateVertex[]
{                                                   //  x,     y,     z,                                                               r, g, b, a
        new ImmediateVertex(new System.Numerics.Vector3(-0.5f, -0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(1, 0, 0, 1)),
        new ImmediateVertex(new System.Numerics.Vector3(+0.5f, -0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(0, 1, 0, 1)),
        new ImmediateVertex(new System.Numerics.Vector3(+0.0f, +0.5f, 0.0f), System.Numerics.Vector2.Zero, new System.Numerics.Vector4(0, 0, 1, 1)),
};


window.EventRaised += (sender, eventArgs) =>
{
    if (eventArgs is not PaintEventArgs paint)
        return;

    imm.DrawImmediate(new ImmediateDrawCall(MeshPrimitive.Triangle, vertices.AsMemory()));
};

app.Run(true, source.Token);


class BlurgTextExtensionFactory : IBlurgTextLoader
{
    public BlurgDcExtension CreateExtension(BlurgTextExtension appExtension, DeviceContext dc)
    {
        return new BlurgGLExtension();
    }

    public void Configure(Blurg blurg)
    {
        blurg.EnableSystemFonts();
    }
};