using HH.WCS.HangYang.api;
using HH.WCS.HangYang.core;
using HH.WCS.HangYang.device;
using HH.WCS.HangYang.process;
using HH.WCS.HangYang.util;
using HH.WCS.HangYang.wms;
using Microsoft.Owin.Hosting;
using NLog;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Topshelf;
using Monitor = HH.WCS.HangYang.core.Monitor;

namespace HH.WCS.HangYang
{
    internal class Program
    {
        static void Main(string[] args)
        {


            Settings.Init();
            //1.0 开启api
            Startup();
            //2.0 开启tcp
            StartTcp();
            //3.0 开启线程
            var rc = HostFactory.Run(x =>
            {
                using (var worker = new WorkThread())
                {
                    worker.Start();

                    // 主线程等待退出信号
                    Console.CancelKeyPress += (s, e) => worker.Stop();
                    Thread.Sleep(Timeout.Infinite);
                }
                x.RunAsLocalSystem();

                x.SetDescription("hh123");
                x.SetDisplayName("hh123.wms");
                x.SetServiceName("hh123.wms");
            });

            var exitCode = (int)Convert.ChangeType(rc, rc.GetTypeCode());
            Environment.ExitCode = exitCode;
        }

        private static void Startup()
        {
            Console.WriteLine("Startup ApiController");
            Task.Run(() =>
            {
                //var url = "http://192.168.1.87:8901";//{SettingHelper.port}
                var url = $"http://+:{Settings.port}";//
                Console.WriteLine(url);
                using (WebApp.Start<Startup>(url))
                {
                    Console.WriteLine("Running on {0}", url);
                    Console.ReadLine();
                }
            });
        }
        private static void StartTcp()
        {
            //new TcpServer("192.168.1.87");
            var host = Dns.GetHostEntry(Dns.GetHostName());
            foreach (var ip in host.AddressList)
            {
                if (ip.AddressFamily == AddressFamily.InterNetwork)
                {
                    Console.WriteLine($"ip= {ip.ToString()}");
                    new TcpServer(ip.ToString());
                }
            }
        }


        public class WorkThread : IDisposable
        {
            private readonly List<Task> _tasks = new List<Task>();
            private readonly CancellationTokenSource _cts = new CancellationTokenSource();
            private bool _disposed;

            private readonly Dictionary<string, Action> _taskRegistry = new Dictionary<string, Action>
            {
                {"循环作业创建任务", WCSCore.ExecuteJob},
                {"循环入库暂存区生成入库任务", WCSCore.ProcessZoneInventoryCycle},
                {"根据配盘单生成出库任务", WCSCore.GenerateFromPicking},
            };


            private readonly List<(string Name, Action Action, Task Task)> _taskInfoList = new List<(string, Action, Task)>();

            public void Start()
            {

                // 创建所有任务
                foreach (var task in _taskRegistry)
                {
                    var managedTask = CreateManagedTask(task.Value, task.Key, _cts.Token);
                    _taskInfoList.Add((task.Key, task.Value, managedTask));
                    _tasks.Add(managedTask);
                }

                // 启动健康监控
                _tasks.Add(StartHealthMonitor());

                LogHelper.Info($"工作线程已启动，共 {_tasks.Count} 个任务");

            }
            public void Stop()
            {
                if (_cts.IsCancellationRequested) return;

                LogHelper.Info("正在停止工作线程...");
                _cts.Cancel();

                Task.WhenAll(_tasks)
                    .ContinueWith(t =>
                    {
                        _tasks.Clear();
                        LogHelper.Info("所有工作线程已停止");
                    });
            }
            private Task CreateManagedTask(Action action, string taskName, CancellationToken ct)
            {
                int retryCount = 0;

                return Task.Run(async () =>
                {
                    LogHelper.Info($"任务 [{taskName}] 启动");

                    while (!ct.IsCancellationRequested)
                    {
                        try
                        {
                            var stopwatch = Stopwatch.StartNew();
                            action();
                            stopwatch.Stop();

                            if (stopwatch.ElapsedMilliseconds > 10000)
                            {
                                LogHelper.Info($"任务 [{taskName}] 执行时间过长: {stopwatch.ElapsedMilliseconds}ms");
                            }
                        }
                        catch (OperationCanceledException)
                        {
                            LogHelper.Info($"任务 [{taskName}] 已取消");
                            break;
                        }
                        catch (Exception ex)
                        {
                            LogHelper.Error($"任务 [{taskName}] 执行失败: {ex.Message}", ex);
                            var delay = Math.Min(30000, 1000 * (int)Math.Pow(2, retryCount));
                            await Task.Delay(delay, ct);
                            retryCount++;
                        }

                        await Task.Delay(3000, ct);
                    }

                    LogHelper.Info($"任务 [{taskName}] 已退出");
                }, ct);
            }
            public void Dispose()
            {
                if (_disposed) return;

                Stop();
                _cts.Dispose();
                _disposed = true;
                GC.SuppressFinalize(this);
            }

            private Task StartHealthMonitor()
            {
                return Task.Run(async () =>
                {
                    while (!_cts.IsCancellationRequested)
                    {
                        var faultedTasks = _taskInfoList.Where(x => x.Task.IsFaulted).ToList();
                        foreach (var (name, action, task) in faultedTasks)
                        {
                            LogHelper.Info($"检测到失败任务: {name}");

                            // 移除旧任务
                            _taskInfoList.Remove((name, action, task));
                            _tasks.Remove(task);

                            // 创建新任务
                            var newTask = CreateManagedTask(action, name, _cts.Token);
                            _taskInfoList.Add((name, action, newTask));
                            _tasks.Add(newTask);
                        }

                        await Task.Delay(10000, _cts.Token);
                    }
                }, _cts.Token);
            }

        }
    }
}