using ImGuiNET;
using ImGuiScene;
using System;
using System.Numerics;
using System.Runtime.InteropServices;
using static SDL2.SDL;

namespace UIDev
{
    class UIBootstrap
    {
        public static unsafe void Inititalize(IPluginUIMock pluginUI)
        {
            // you can edit this if you want more control over things
            // mainly if you want a regular window instead of transparent overlay
            // Typically you don't want to change any colors here if you keep the fullscreen overlay
            using (var scene = new SimpleImGuiScene(RendererFactory.RendererBackend.DirectX11, new WindowCreateInfo
            {
                Title = "UI Test",
                Fullscreen = true,
                TransparentColor = new float[] { 0, 0, 0 },
            }))
            {
                // the background color of your window - typically don't change this for fullscreen overlays
                scene.Renderer.ClearColor = new Vector4(0, 0, 0, 0);

                // this just makes the application quit if you hit escape
                scene.Window.OnSDLEvent += (ref SDL_Event sdlEvent) =>
                {
                    if (sdlEvent.type == SDL_EventType.SDL_KEYDOWN && sdlEvent.key.keysym.scancode == SDL_Scancode.SDL_SCANCODE_ESCAPE)
                    {
                        scene.ShouldQuit = true;
                    }
                };

                // all of this is taken straight from dalamud

                ImFontConfigPtr fontConfig = ImGuiNative.ImFontConfig_ImFontConfig();
                fontConfig.MergeMode = true;
                fontConfig.PixelSnapH = true;

                var fontPathJp = @"NotoSansCJKjp-Medium.otf";
                ImGui.GetIO().Fonts.AddFontFromFileTTF(fontPathJp, 17.0f, null, ImGui.GetIO().Fonts.GetGlyphRangesJapanese());

                var fontPathGame = @"gamesym.ttf";

                var rangeHandle = GCHandle.Alloc(new ushort[]
                {
                    0xE020,
                    0xE0DB,
                    0
                }, GCHandleType.Pinned);


                ImGui.GetIO().Fonts.AddFontFromFileTTF(fontPathGame, 17.0f, fontConfig, rangeHandle.AddrOfPinnedObject());

                ImGui.GetIO().Fonts.Build();

                fontConfig.Destroy();
                rangeHandle.Free();


                ImGui.GetStyle().GrabRounding = 3f;
                ImGui.GetStyle().FrameRounding = 4f;
                ImGui.GetStyle().WindowRounding = 4f;
                ImGui.GetStyle().WindowBorderSize = 0f;
                ImGui.GetStyle().WindowMenuButtonPosition = ImGuiDir.Right;
                ImGui.GetStyle().ScrollbarSize = 16f;

                ImGui.GetStyle().Colors[(int)ImGuiCol.WindowBg] = new Vector4(0.06f, 0.06f, 0.06f, 0.87f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.FrameBg] = new Vector4(0.29f, 0.29f, 0.29f, 0.54f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.FrameBgHovered] = new Vector4(0.54f, 0.54f, 0.54f, 0.40f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.FrameBgActive] = new Vector4(0.64f, 0.64f, 0.64f, 0.67f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.TitleBgActive] = new Vector4(0.29f, 0.29f, 0.29f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.CheckMark] = new Vector4(0.86f, 0.86f, 0.86f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.SliderGrab] = new Vector4(0.54f, 0.54f, 0.54f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.SliderGrabActive] = new Vector4(0.67f, 0.67f, 0.67f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.Button] = new Vector4(0.71f, 0.71f, 0.71f, 0.40f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.ButtonHovered] = new Vector4(0.47f, 0.47f, 0.47f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.ButtonActive] = new Vector4(0.74f, 0.74f, 0.74f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.Header] = new Vector4(0.59f, 0.59f, 0.59f, 0.31f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.HeaderHovered] = new Vector4(0.50f, 0.50f, 0.50f, 0.80f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.HeaderActive] = new Vector4(0.60f, 0.60f, 0.60f, 1.00f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.ResizeGrip] = new Vector4(0.79f, 0.79f, 0.79f, 0.25f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.ResizeGripHovered] = new Vector4(0.78f, 0.78f, 0.78f, 0.67f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.ResizeGripActive] = new Vector4(0.88f, 0.88f, 0.88f, 0.95f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.Tab] = new Vector4(0.23f, 0.23f, 0.23f, 0.86f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.TabHovered] = new Vector4(0.71f, 0.71f, 0.71f, 0.80f);
                ImGui.GetStyle().Colors[(int)ImGuiCol.TabActive] = new Vector4(0.36f, 0.36f, 0.36f, 1.00f);
                // end dalamud copy

                pluginUI.Initialize(scene);

                scene.Run();

                pluginUI.Dispose();
            }
        }
    }
}