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 = true,
            Fullscreen = 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);

            if (_font is not null)
            {
                _font.Size = 20;
            }
        }
    }

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

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

        _scene.Start();
    }

    protected override void Run()
    {
        while (_scene.ShouldRun)
        {
            _scene.Update();

            double frameTimeMs = _renderer.FrameTime * 1000f;

            _renderer.SetTransform(Vector2.One * 32f, Vector2.Zero, 0f);

            if (_font is not null)
            {
                _renderer.DrawText(_font, $"{frameTimeMs:0.0} ms", new Color(1f, 1f, 1f, 0.5f));
            }
        }
    }

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

    private UiLayer _uiLayer;
    private EntityLayer _worldLayer;
}