using System;
using System.Collections.Generic;
using engine;
using MGUI.Core.UI; // add
using MGUI.Core.UI.Brushes.Fill_Brushes; //add
using MGUI.Shared.Rendering; //add
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Nez;
using Nez.Sprites;
using Nez.UI;

namespace modwars;

public class Game1 : Nez.Core, IObservableUpdate // Add IObservableUpdate 
{
    protected GameManager GameManager = new();
    protected List<string> AvailableGameScenes = new();

    protected MGDesktop UIMainScreen; //add
    protected MainRenderer UIMainRenderer; //add

    public event EventHandler<TimeSpan> PreviewUpdate; //add
    public event EventHandler<EventArgs> EndUpdate; //add


    protected override void Initialize()
    {
        base.Initialize();

        // TODO all the setup on gamestart here
        // first scene
        Core.DebugRenderEnabled = true;
        AvailableGameScenes = GameManager.SetupScenes("BuilderUiTestScene"); // my function to setup scenes

        // TEST UI CODE FROM TUTORIAL
        this.UIMainRenderer = new(new GameRenderHost<Game1>(this));
        this.UIMainScreen = new(this.UIMainRenderer);

        MGWindow Window1 = new(UIMainScreen, 50, 50, 500, 200);
        Window1.TitleText = "Sample Window with a single [b]Button[/b]: [color=yellow]Click it![/color]";
        Window1.BackgroundBrush.NormalValue = new MGSolidFillBrush(Color.Orange);
        Window1.Padding = new(15);
        MGButton Button1 = new(Window1, button => { button.SetContent("I've been clicked!"); });
        Button1.SetContent("Click me!");
        Window1.SetContent(Button1);

        this.UIMainScreen.Windows.Add(Window1);
    }

    protected override void Update(GameTime gameTime) // add and keep order of functions
    {
        PreviewUpdate?.Invoke(this, gameTime.TotalGameTime);

        base.Update(gameTime);

        UIMainScreen.Update();

        EndUpdate?.Invoke(this, EventArgs.Empty);
    }

    protected override void Draw(GameTime gameTime) // add and keep order of functions
    {
        base.Draw(gameTime);

        // TODO: Add your drawing code here
        UIMainScreen.Draw();
    }
}