//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="MatrixParallelThreadTest.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person 
// obtaining a copy of this software and associated documentation 
// files (the “Software”), to deal in the Software without restriction, 
// including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, 
// and to permit persons to whom the Software is furnished to do so, 
// subject to the following conditions:
//     
// The above copyright notice and 
// this permission notice shall be included in all copies 
// or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED “AS IS”, 
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
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// -----------------------------------------------------------------------
using StgSharp.Mathematics;
using System;
using System.Threading;

namespace StgSharp
{
    /// <summary>
    ///   矩阵计算并发调度器线程调度测试  修复的问题： 1. 添加了ResetThreadCount()方法，在每轮任务调度前重置线程计数 2.
    ///   调度器线程不再递减RemainThreadCount，只有工作线程才递减 3. 改进了控制台输出，显示更清晰的线程活动信息  使用方法：在Program.cs的Main方法中调用
    ///   MatrixParallelThreadTest.TestMatrixParallelThreadScheduling(); 或者通过命令行运行程序时调用此方法
    /// </summary>
    public class MatrixParallelThreadTest
    {

        /// <summary>
        ///   测试矩阵并行计算线程调度
        /// </summary>
        public static void TestMatrixParallelThreadScheduling()
        {
            Console.WriteLine("=== 矩阵并行计算线程调度测试开始 ===");
            Console.WriteLine($"CPU核心数: {Environment.ProcessorCount}");
            Console.WriteLine($"支持并行计算: {MatrixParallel.SupportParallel}");
            Console.WriteLine($"并行计算有意义: {MatrixParallel.IsParallelMeaningful}");

            if (!MatrixParallel.SupportParallel)
            {
                Console.WriteLine("当前系统不支持并行计算，跳过测试");
                return;
            }

            try
            {
                // 初始化矩阵并行计算系统
                Console.WriteLine("\n--- 初始化矩阵并行计算系统 ---");
                MatrixParallel.Init();
                Console.WriteLine("矩阵并行计算系统初始化完成");

                // 启动并行计算
                Console.WriteLine("\n--- 启动并行计算 ---");
                MatrixParallel.LaunchParallel(SleepMode.QuickWakeup);
                Console.WriteLine("并行计算已启动");

                // 获取领导者句柄
                MatrixParallel.MatrixParallelWrap.Handle leaderHandle = MatrixParallel.LeaderHandle;
                Console.WriteLine($"领导者句柄获取成功: Wrap ID {leaderHandle.Wrap.ID}");

                // 模拟一些任务调度
                Console.WriteLine("\n--- 开始模拟任务调度 ---");
                for (int i = 0; i < 3; i++)
                {
                    Console.WriteLine($"\n第 {i + 1} 轮任务调度:");

                    // 开始并行计算
                    MatrixParallel.LeadParallel();
                    Console.WriteLine("已获取并行计算锁");

                    // 设置所有Wrap
                    MatrixParallel.SetAllWrap();
                    Console.WriteLine("已通知所有Wrap开始工作");

                    // 发布任务（当前为空实现）
                    // MatrixParallel.PublishTask();
                    Console.WriteLine("任务发布完成");

                    // 等待一段时间让线程执行
                    Thread.Sleep(100);

                    // 结束并行计算
                    MatrixParallel.EndParallel();
                    Console.WriteLine("已释放并行计算锁");

                    // 等待一段时间再进行下一轮
                    Thread.Sleep(200);
                }

                Console.WriteLine("\n--- 测试完成 ---");
                Console.WriteLine("线程调度测试已成功完成，请观察上述输出中的线程活动信息");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"测试过程中发生异常: {ex.Message}");
                Console.WriteLine($"异常详情: {ex}");
            }
        }

    }
}