using IvfTl.Control.Services;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;

namespace TLTest
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        private static Mutex instance;
        /// <summary>
        /// 分支说明：15分钟定时换气，下位机不能接管换气
        /// </summary>
        public App()
        {
            Log4netHelper.WriteLog("程序启动");
            //首先注册开始和退出事件
            this.Startup += new StartupEventHandler(App_Startup);
            //this.Exit += new ExitEventHandler(App_Exit);
        }


        protected override void OnStartup(StartupEventArgs e)
        {
            bool isNotRunning;  //互斥体判断
            instance = new Mutex(true, "ivf_tl_ControlMain", out isNotRunning);   //同步基元变量
            if (!isNotRunning)  // 如果不是未运行状态
            {
                MessageBox.Show("程序已启动 ");
                App.Current.Shutdown();
                return;
            }
            base.OnStartup(e);
        }

        protected override void OnExit(ExitEventArgs e)
        {
            base.OnExit(e);
            Log4netHelper.WriteLog("程序退出");
        }

        private void App_Exit(object sender, ExitEventArgs e)
        {
            Log4netHelper.WriteLog("App_Exit");
        }

        private void App_Startup(object sender, StartupEventArgs e)
        {
            //UI线程未捕获异常处理事件
            this.DispatcherUnhandledException += new DispatcherUnhandledExceptionEventHandler(App_DispatcherUnhandledException);
            //Task线程内未捕获异常处理事件
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
            //非UI线程未捕获异常处理事件
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
            ChangeLanguage(ConfigurationManager.AppSettings["Language"].ToString());
        }

        /// <summary>
        /// 非UI线程未捕获异常处理事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            try
            {
                if (e.IsTerminating)
                {
                    Log4netHelper.WriteLog($"非UI线程发生致命错误,程序即将终止");
                }
                if (e.ExceptionObject is Exception ex)
                {
                    if (ex.InnerException != null)
                    {
                        Log4netHelper.WriteLog($"非UI线程异常详细:{ex.InnerException.Message}{ex.InnerException.StackTrace}");
                    }
                    Log4netHelper.WriteLog($"非UI线程异常:{ex.Message}{ex.StackTrace}");
                }
                else
                {
                    Log4netHelper.WriteLog($"非UI线程异常:异常对象类型不是Exception");
                }
            }
            catch (Exception exx)
            {
                if (exx.InnerException != null)
                {
                    Log4netHelper.WriteLog($"捕获非UI线程异常时发生异常详细:{exx.InnerException.Message}{exx.InnerException.StackTrace}");
                }
                Log4netHelper.WriteLog($"捕获非UI线程异常时发生异常:{exx.Message}{exx.StackTrace}");
            }
        }

        /// <summary>
        /// Task线程内未捕获异常处理事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
        {
            try
            {
                if (e.Exception.InnerException != null)
                {
                    Log4netHelper.WriteLog($"Task线程异常详细:{e.Exception.InnerException.Message}{e.Exception.InnerException.StackTrace}");
                }
                Log4netHelper.WriteLog($"Task线程异常:{e.Exception.Message}{e.Exception.StackTrace}");
                e.SetObserved();//设置该异常已察觉（这样处理后就不会引起程序崩溃）
            }
            catch (Exception ex)
            {
                if (ex.InnerException != null)
                {
                    Log4netHelper.WriteLog($"捕获Task线程异常时发生异常详细:{ex.InnerException.Message}{ex.InnerException.StackTrace}");
                }
                Log4netHelper.WriteLog($"捕获Task线程异常时发生异常:{ex.Message}{ex.StackTrace}");
            }
            finally
            {
                e.SetObserved();//设置该异常已察觉（这样处理后就不会引起程序崩溃）
            }
        }

        /// <summary>
        /// UI线程未捕获异常处理事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
        {

            try
            {
                if (e.Exception.InnerException != null)
                {
                    Log4netHelper.WriteLog($"UI线程异常详细:{e.Exception.InnerException.Message}{e.Exception.InnerException.StackTrace}");
                }
                Log4netHelper.WriteLog($"UI线程异常:{e.Exception.Message}{e.Exception.StackTrace}");
                //把 Handled 属性设为true，表示此异常已处理，程序可以继续运行，不会强制退出      
            }
            catch (Exception ex)
            {
                //此时程序出现严重异常，将强制结束退出
                if (ex.InnerException != null)
                {
                    Log4netHelper.WriteLog($"捕获UI线程异常时发生异常详细:{ex.InnerException.Message}{ex.InnerException.StackTrace}");
                }
                Log4netHelper.WriteLog($"捕获UI线程异常时发生异常:{ex.Message}{ex.StackTrace}");
            }
            finally
            {
                e.Handled = true;
            }
        }

        public void ChangeLanguage(string languageName)
        {
            try
            {
                ResourceDictionary langRd = null;
#if DEBUG
                string xamlFilePath = @"C:\PersonalSpace\work\1 VisualWorkSpace\ControlLan\" + languageName;
#else
               string xamlFilePath = $"{System.AppDomain.CurrentDomain.BaseDirectory}Language\\{languageName}";
#endif
                if (!File.Exists(xamlFilePath))
                {
                    Log4netHelper.WriteLog($"切换语言失败，配置文件不存在：{xamlFilePath}");
                    return;
                }
                using (var stream = new FileStream(xamlFilePath, FileMode.Open))
                {
                    langRd = System.Windows.Markup.XamlReader.Load(stream) as ResourceDictionary;
                }
                if (langRd != null)
                {
                    int count = Application.Current.Resources.MergedDictionaries.Count;
                    if (count >= 3)
                    {
                        Application.Current.Resources.MergedDictionaries.RemoveAt(count - 1);
                    }
                    Application.Current.Resources.MergedDictionaries.Add(langRd);
                }
                else
                {
                    Log4netHelper.WriteLog($"切换语言失败，文件转ResourceDictionary失败；{xamlFilePath}");
                }
            }
            catch (Exception ex)
            {
                Log4netHelper.WriteLog($"切换语言异常，{JsonConvert.SerializeObject(ex)}");
                return;
            }
        }
    }
}