using SDL2;

namespace KumiScript.Renderer
{
    public class SDLWindow
    {
        internal readonly nint Id;
        ushort _width;
        ushort _height;
        string _title;
        SDLRenderer? _renderer;
        public SDLWindow(ushort horizontalResolution, ushort verticalResolution, string windowTitle)
        {
            _width = horizontalResolution;
            _height = verticalResolution;
            _title = windowTitle;

            nint window = SDL.SDL_CreateWindow(windowTitle, SDL.SDL_WINDOWPOS_CENTERED, SDL.SDL_WINDOWPOS_CENTERED,
                                               horizontalResolution, verticalResolution, 0);
            if (window == 0)
                throw new Exception("Failed to create window!");
            
            Id = window;
        }

        public int UpdateSurface()
        {
            return SDL.SDL_UpdateWindowSurface(Id);
        }

        public SDLRenderer GetRenderer()
        {
            if (_renderer is null)
                _renderer = new SDLRenderer(this);
            
            return _renderer;
        }
    }
}