using System;
using ImGuiNET;

using Num = System.Numerics;

using isometricparkfna.Engines;
using isometricparkfna.Messages;
using isometricparkfna.UI;

namespace isometricparkfna.UI
{

    public static class InGameMenu
    {
        

        public static void Render(ImFontPtr font, ImGuiWindowBridgeEngine bridgeEngine, int width)
        {

            ImGui.GetStyle().WindowMenuButtonPosition = ImGuiDir.None;
	    bool newShow = true;

	    //Has to go first so the measurement is correct:
            ImGui.PushFont(font);

	    Num.Vector2 text_size = ImGui.CalcTextSize("Quit to Main Menu");
	    Num.Vector2 button_size = new Num.Vector2((int)text_size.X*1.1f,
			    (int)text_size.Y*1.25f+5);
	    StyleSets.defaultSet.push();


	    ImGui.SetNextWindowPos(new Num.Vector2(width/2, 200));


            // ImGui.PushFont(smallFont);
	    ImGui.Begin("##In-game Toolbar", ref newShow, ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoCollapse | ImGuiWindowFlags.NoSavedSettings | ImGuiWindowFlags.NoTitleBar | ImGuiWindowFlags.AlwaysAutoResize);

	    if (ImGui.Button("Options", button_size))
	    {
		    bridgeEngine.typeMessages.Add(new ToggleWindowTypeMessage{Window = Window.Options});
	    }
	    if (ImGui.Button("Return to Game", button_size))
	    {
		    bridgeEngine.typeMessages.Add(new ToggleWindowTypeMessage{Window = Window.InGameMenu});
	    }
	    if (ImGui.Button("Quit to Main Menu", button_size))
	    {

		    bridgeEngine.gameStateMessages.Add(new GameStateMessage{isPlaying = false});
		    bridgeEngine.typeMessages.Add(new ToggleWindowTypeMessage{Window = Window.InGameMenu});
	    }
	    if (ImGui.Button("Quit", button_size))
	    {

		    System.Console.WriteLine("Quitting");
		    Environment.Exit(0);
	    }

	    ImGui.End();
            

	    ImGui.GetStyle().WindowMenuButtonPosition = ImGuiDir.Left;
	    StyleSets.defaultSet.pop();
	    ImGui.PopFont();
        }
    }
}