using System.Numerics;

using DaggerFramework;
using DaggerFramework.Rendering;
using DaggerFramework.Audio;
using DaggerFramework.Resources;
using DaggerFramework.SceneGraph;


public class TestGame : Game
{
    public override string ResourceRoot => "Resources/";

    public override void Initialize()
    {
        _renderer = new RaylibRenderer();
        _audioBackend = new FmodAudioBackend();
        _inputHandler = new RaylibInputHandler();

        _renderer.CreateAndInitialize(new WindowSettings()
        {
            Title = "Test Game",
            Size = new Vector2(1280, 720)
        }, new RendererSettings()
        {
            UseVSync = false
        });

        _audioBackend.Initialize();

        _scene = new Scene(_renderer, _inputHandler, _audioBackend, _resourceManager);

        _uiLayer = new UiLayer();
        _worldLayer = new EntityLayer();
    }

    public override void Shutdown()
    {
        _renderer.Shutdown();
        _audioBackend.Shutdown();
    }

    protected override void LoadResources()
    {
        if (_resourceManager.TryLoad<Sound>("my_sound", "sounds/test_sound.ogg"))
        {
            _resourceManager.TryGetResource("my_sound", out _testSound);
        }

        if (_resourceManager.TryLoad<Font>("inter_regular", "fonts/Inter-Regular.ttf"))
        {
            _resourceManager.TryGetResource("inter_regular", out _font);
        }
    }

    protected override void Ready()
    {
        _inputHandler.AddInputMapping("play", new InputAction[] { new KeyInputAction(KeyboardKey.Spacebar) });
        _inputHandler.AddInputMapping("sprint", new InputAction[] { new KeyInputAction(KeyboardKey.LeftShift) });

        _fontHandle = _renderer.LoadFont(_font);

        _scene.AddLayer("World", _worldLayer);
        _scene.AddLayer("UI", _uiLayer);
        _worldLayer.AddEntity(new TestPlayer());

        _scene.Start();
    }

    protected override void Run()
    {
        while (!_scene.ShouldStop())
        {
            // _renderer.BeginFrame();
            // _renderer.ClearBackground(Color.Black);

            // if (_inputHandler.IsActionJustPressed("play"))
            // {
            //     var instance = _audioBackend.CreateInstance(_testSound)
            //         .PitchVariation(min: 0.9f, max: 1.2f)
            //         .VolumeVariation(min: 0.90f, max: 1.0f);
            //     instance.Play();
            // }

            // _audioBackend.Update();

            // _renderer.SetTransform(new Vector2(32, 32));
            // _renderer.DrawCircle(16f, Color.Chocolate);

            // _renderer.DrawText(_fontHandle, $"{(int)(1 / _renderer.GetFrameTime())} FPS", 20, Color.White);

            // _renderer.EndFrame();
            _scene.Update();
        }
    }

    private Renderer _renderer;
    private ResourceManager _resourceManager = new();
    private Sound? _testSound;
    private Font? _font;
    private int _fontHandle;
    private FmodAudioBackend _audioBackend;
    private InputHandler _inputHandler;
    private Scene _scene;

    private UiLayer _uiLayer;
    private EntityLayer _worldLayer;
}