using System.Collections.Generic;
using Microsoft.Xna.Framework;

namespace Foresight.Engine.Renderer
{
    public class RendererManager
    {
        internal readonly Game Game;
        internal readonly ResolutionManager ResolutionManager;

        public readonly GraphicsDeviceManager GraphicsDeviceManager;

        private readonly Renderer2d _renderer2d;
        private readonly Renderer3d _renderer3d;

        private readonly Queue<IRenderable> _2dRenderables = new Queue<IRenderable>();
        private readonly Queue<IRenderable> _3dRenderables = new Queue<IRenderable>();

        public RendererManager(Game game)
        {
            Game = game;
            GraphicsDeviceManager = new GraphicsDeviceManager(game);
            ResolutionManager = new ResolutionManager(this, 1024, 768);
            _renderer2d = new Renderer2d(this);
            _renderer3d = new Renderer3d(this);
        }

        public void Render(GameTime gameTime)
        {
            // TODO: fps or smth

            // 3D first so 2d gets drawn on top
            _renderer3d.Render(_3dRenderables);
            _renderer2d.Render(_2dRenderables);
        }

        public void Add2DRenderable(IRenderable renderable) => _2dRenderables.Enqueue(renderable);
        public void Add3DRenderable(IRenderable renderable) => _3dRenderables.Enqueue(renderable);

        public void Dispose()
        {
            _renderer2d?.Dispose();
        }
    }
}