// ImageProcessingAlgorithmFactory.cs 识别算法工厂，用于注册算法实现
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MvvmScaffoldFrame48.DLL.ThreadManager
{
    public static class ImageProcessingAlgorithmHikVisionFactory
    {
        #region 变量与实例
        // 存储所有算法实现类型的字典
        private static readonly Dictionary<string, Type> _algorithmTypes = new Dictionary<string, Type>();
        #endregion

        #region 构造方法
        /// <summary>
        /// 静态构造函数，在类加载时注册所有可用的算法实现
        /// </summary>
        static ImageProcessingAlgorithmHikVisionFactory()
        {
            // 注册所有可用的算法实现
            RegisterAlgorithm<ProcessingAlgorithm>("ProcessingAlgorithm");
            // 可以继续注册更多算法...
        }
        #endregion

        #region 私有方法
        /// <summary>
        /// 注册算法实现
        /// </summary>
        /// <typeparam name="T">算法实现类型</typeparam>
        /// <param name="algorithmName">算法名称</param>
        private static void RegisterAlgorithm<T>(string algorithmName) where T : IImageProcessingAlgorithmHikVision, new()
        {
            _algorithmTypes[algorithmName] = typeof(T);
        }
        #endregion

        #region 公有方法
        /// <summary>
        /// 根据算法名称创建算法实例
        /// </summary>
        /// <param name="algorithmName">算法名称</param>
        /// <returns>算法实例</returns>
        public static IImageProcessingAlgorithmHikVision CreateAlgorithm(string algorithmName)
        {
            if (_algorithmTypes.ContainsKey(algorithmName))
            {
                return (IImageProcessingAlgorithmHikVision)Activator.CreateInstance(_algorithmTypes[algorithmName]);
            }
            else
            {
                Console.WriteLine($"未找到名为 '{algorithmName}' 的算法实现");
                return null;
            }
        }

        /// <summary>
        /// 获取所有已注册的算法名称
        /// </summary>
        /// <returns>算法名称列表</returns>
        public static List<string> GetAvailableAlgorithms()
        {
            return _algorithmTypes.Keys.ToList();
        }

        /// <summary>
        /// 检查算法是否存在
        /// </summary>
        /// <param name="algorithmName">算法名称</param>
        /// <returns>是否存在</returns>
        public static bool AlgorithmExists(string algorithmName)
        {
            return _algorithmTypes.ContainsKey(algorithmName);
        }
        #endregion
    }
}