using Microsoft.Xna.Framework;
using RecrownedAthenaeum.Camera;
using RecrownedAthenaeum.Render;
using RecrownedAthenaeum.ScreenSystem;
using System;

namespace RecrownedAthenaeum
{
    /// <summary>
    /// All variables here should be for RecrownedAthenaeum to use when needed and thus eliminates unessecary passing.
    /// </summary>
    public static class Configuration
    {
        private static GraphicsDeviceManager graphicsDeviceManager;
        /// <summary>
        /// The graphics device that will be used by default.
        /// </summary>
        public static GraphicsDeviceManager GraphicsDeviceManager { set { graphicsDeviceManager = value; } get { if (graphicsDeviceManager == null) throw new InvalidOperationException("Graphics device manager property requested as substitute but configuration does not have one."); return graphicsDeviceManager; } }


        private static Camera2D camera2D;
        /// <summary>
        /// 2D camera to be used by default.
        /// </summary>
        public static Camera2D Camera2D { set { camera2D = value; } get { if (camera2D == null) throw new InvalidOperationException("2D camera property requested as substitute but configuration does not have one."); return camera2D; } }

        private static SpriteBatchSettings? beginBatchFunction;
        /// <summary>
        /// The begin sprite batch to use for custom begins and consistency.
        /// </summary>
        public static SpriteBatchSettings? spriteBatchSettings { set { beginBatchFunction = value.Value; } get { if (!beginBatchFunction.HasValue) throw new InvalidOperationException("No default begin batch has been set yet has been requested."); return beginBatchFunction; } }
    }
}