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();

        _resourceManager.AddResourceSaverAssociation(new SerializedSceneSaver());

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

        _audioBackend.Initialize();

        _scene = new Scene(new SceneSettings()
        {
            Renderer = _renderer,
            AudioBackend = _audioBackend,
            InputHandler = _inputHandler,
            ResourceManager = _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.AddLayer("UI", _uiLayer!);

        SerializedScene serializedScene;

        if (_scene!.TrySerialize(out serializedScene))
        {
            _resourceManager.TrySave(Path.Combine(_resourceManager.ResourceRoot, "main.scene"), in serializedScene);
        }

        _scene.Start();
    }

    protected override void Run()
    {
        while (_scene!.ShouldRun)
        {
            _scene.Update();
            _scene.BeginDraw();
            _scene.EndDraw();
        }
    }

    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;
}