//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="MatrixParallelTest.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.
//     
// THE SOFTWARE IS PROVIDED “AS IS”, 
// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
// ARISING FROM, OUT OF OR IN CONNECTION WITH 
// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Mathematics;
using System;
using System.Diagnostics;
using System.Threading;

namespace StgSharp
{
    internal partial class Program
    {

        public static void TestMatrixParallel()
        {
            // 4. 线程调度基础功能测试
            Console.WriteLine("=== 线程调度基础功能测试 ===");
            TestSchedulingBasics();
            Console.WriteLine();

            // 5. 并行控制流测试
            Console.WriteLine("=== 并行控制流测试 ===");
            TestParallelControlFlow();
            Console.WriteLine();

            // 6. 重复操作稳定性测试
            Console.WriteLine("=== 重复操作稳定性测试 ===");
            TestRepeatedOperations();
            Console.WriteLine();

            // 7. 线程状态监控测试
            Console.WriteLine("=== 线程状态监控测试 ===");
            TestThreadStateMonitoring();
            Console.WriteLine();

            Console.WriteLine("? MatrixParallel 分层线程调度系统空跑测试完成");
        }

        private static bool TestInitialization()
        {
            if (!MatrixParallel.SupportParallel)
            {
                Console.WriteLine("? 跳过初始化测试 - 系统不支持并行处理");
                return false;
            }

            try
            {
                Console.WriteLine("正在初始化 MatrixParallel...");
                MatrixParallel.Init();
                Console.WriteLine("? MatrixParallel 初始化成功");


                // 检查 LeaderHandle 是否正确设置
                if (MatrixParallel.LeaderHandle != null)
                {
                    Console.WriteLine($"? LeaderHandle 已创建，Wrap ID: {MatrixParallel.LeaderHandle.Wrap.ID}");
                } else
                {
                    Console.WriteLine("? LeaderHandle 未正确设置");
                }

                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"? 初始化失败: {ex.Message}");
                return false;
            }
        }

        private static void TestParallelControlFlow()
        {
            try
            {
                Console.WriteLine("测试并行控制流...");

                for (int i = 0; i < 5; i++)
                {
                    Console.WriteLine($"  第 {i + 1} 轮控制流测试:");


                    // 获取并行锁
                    Console.WriteLine("    执行 LeadParallel()...");
                    MatrixParallel.LeadParallel();

                    try
                    {
                        // 启动并行处理
                        Console.WriteLine($"    执行 LaunchParallel({(SleepMode)(i % 3 + 1)})...");
                        MatrixParallel.LaunchParallel((SleepMode)(i % 3 + 1));

                        // 设置所有 Wrap
                        MatrixParallel.SetAllWrap();

                        // 发布任务（空任务）
                        MatrixParallel.PublishTask();

                        // 短暂等待，模拟实际工作
                        Thread.Sleep(10 + i * 5);

                        Console.WriteLine("    ? 控制流执行正常");
                    }
                    finally
                    {
                        // 释放并行锁
                        Console.WriteLine("    执行 EndParallel()...");
                        MatrixParallel.EndParallel();
                    }
                }

                Console.WriteLine("? 并行控制流测试通过");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"? 并行控制流测试失败: {ex.Message}");
            }
        }

        private static void TestRepeatedOperations()
        {
            try
            {
                Console.WriteLine("执行重复操作稳定性测试...");

                Stopwatch stopwatch = Stopwatch.StartNew();
                int iterations = 50;
                int successCount = 0;

                for (int i = 0; i < iterations; i++)
                {
                    try
                    {
                        MatrixParallel.LeadParallel();

                        MatrixParallel.LaunchParallel(SleepMode.QuickWakeup);
                        MatrixParallel.SetAllWrap();
                        MatrixParallel.PublishTask();


                        // 极短暂的等待
                        Thread.Sleep(1);

                        successCount++;
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"    第 {i + 1} 次操作失败: {ex.Message}");
                    }
                    finally
                    {
                        try
                        {
                            MatrixParallel.EndParallel();
                        }
                        catch (Exception ex)
                        {
                            Console.WriteLine($"    第 {i + 1} 次 EndParallel 失败: {ex.Message}");
                        }
                    }

                    // 每10次操作显示一次进度
                    if ((i + 1) % 10 == 0)
                    {
                        Console.WriteLine($"  已完成 {i + 1}/{iterations} 次操作");
                    }
                }

                stopwatch.Stop();

                Console.WriteLine($"? 重复操作测试完成:");
                Console.WriteLine($"  总操作次数: {iterations}");
                Console.WriteLine($"  成功次数: {successCount}");
                Console.WriteLine($"  成功率: {(double)successCount / iterations * 100:F1}%");
                Console.WriteLine($"  总耗时: {stopwatch.ElapsedMilliseconds} ms");
                Console.WriteLine($"  平均耗时: {stopwatch.ElapsedMilliseconds / (double)iterations:F2} ms/次");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"? 重复操作测试失败: {ex.Message}");
            }
        }

        private static void TestSchedulingBasics()
        {
            try
            {
                Console.WriteLine("测试基本调度操作...");

                // 测试设置所有 Wrap
                Console.WriteLine("  执行 SetAllWrap()...");
                MatrixParallel.SetAllWrap();
                Console.WriteLine("  ? SetAllWrap() 执行成功");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"? 基本调度操作测试失败: {ex.Message}");
            }
        }

    }
}