using Aucma.Scada.Business;
using HighWayIot.Log4net;
using Lierda.WPFHelper;
using System;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;

namespace Aucma.Scada.UI
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    {
        private LogHelper logHelper = LogHelper.Instance;

        System.Threading.Mutex mutex;

        LierdaCracker cracker = new LierdaCracker();

        private MainBusiness mainBusiness = MainBusiness.Instance;

        public App()
        {
            this.Startup += new StartupEventHandler(App_StartUp);
            this.Exit += new ExitEventHandler(Application_Exit);

        }

        void App_StartUp(object sender, StartupEventArgs e)
        {
            bool ret;
            mutex = new System.Threading.Mutex(true, System.Diagnostics.Process.GetCurrentProcess().ProcessName, out ret);
            if (!ret)
            {
                MessageBox.Show("应用程序已开启，禁止重复运行");
                Environment.Exit(0);
            }
            else
            {
                mainBusiness.InitPlc();
                mainBusiness.InitHikRobot();
            }
        }
        private void Application_Exit(object sender, ExitEventArgs e)
        {
            mainBusiness.DisConnectPlc();
            mainBusiness.ExitHikRobot();
            logHelper.Info("程序退出");
        }

        protected override void OnStartup(StartupEventArgs e)
        {
            cracker.Cracker(100); //设置GC回收间隔
            RegisterEvents();
            base.OnStartup(e);
        }

        private void RegisterEvents()
        {
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
            this.DispatcherUnhandledException += App_DispatcherUnhandledException;
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandleException;
        }

        /// <summary>
        /// Task线程异常捕获
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
        {
            try
            {
                var exception = e.Exception as Exception;
                if (exception != null)
                {
                    logHelper.Error("Task线程全局异常捕获成功", exception);
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("Task线程全局异常捕获", ex);
            }
            finally
            {
                e.SetObserved();
            }
        }

        /// <summary>
        /// UI线程异常捕获
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
        {
            try
            {
                logHelper.Error("UI线程全局异常捕获成功", e.Exception);
            }
            catch (Exception ex)
            {
                logHelper.Error("UI线程全局异常捕获", ex);
            }
            finally
            {
                e.Handled = true;
            }
        }

        /// <summary>
        /// 非UI线程异常捕获
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CurrentDomain_UnhandleException(object sender, UnhandledExceptionEventArgs e)
        {
            try
            {
                var exception = e.ExceptionObject as Exception;
                if (exception != null)
                {
                    logHelper.Error("非UI线程全局异常捕获成功", exception);
                }
            }
            catch (Exception ex)
            {
                logHelper.Error("非UI线程全局异常捕获", ex);
            }
            finally
            {
                //e.SetObserved();
            }
        }
    }
}