using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace TouchCashier
{
    /// <summary>
    /// App.xaml 的交互逻辑
    /// </summary>
    public partial class App : Application
    {
        System.Threading.Mutex mutex;
        public App()
        {
            DispatcherUnhandledException += App_DispatcherUnhandledException;
            //非UI线程未捕获异常处理事件
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
            Startup += new StartupEventHandler(App_Startup);
        }

        /// <summary>
        /// UI线程异常处理事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
            //MessageBox.Show(e.Exception.ToString());
            //Shutdown(1);
            try
            {
                LogHelper.WriteServiceLog($"主线程错误：{e.Exception.Message}");
            }
            catch { }
            e.Handled = true;
        }

        /// <summary>
        /// 非UI线程异常处理事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            //Loger.WriteErrorLog("捕获未处理异常：" + e.ExceptionObject);
            try
            {
                LogHelper.WriteServiceLog("子线程错误:" + (e.ExceptionObject as Exception).Message);
            }
            catch { }
            //MessageBox.Show(e.ExceptionObject.ToString());
        }

        /// <summary>
        /// 程序启动处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void App_Startup(object sender, StartupEventArgs e)
        {
            bool ret;
            mutex = new System.Threading.Mutex(true, "TouchCashier", out ret);
            if (!ret)
            {
                //ActivateOtherWindow();
                //MessageBox.Show("Program has started, you can't start again!");
                Environment.Exit(0);
            }
            else
            {
                FontSizeChange();
                MainWindow _MainWindow = new MainWindow();
                _MainWindow.Show();
            }
        }
        private void FontSizeChange()
        {
            double titlesize = ((SystemParameters.PrimaryScreenWidth / 10) / 3 * 2) / 5;
            if (titlesize < 18)
            {
                titlesize = 18;
            }
            System.Windows.Application.Current.Resources.Remove("TitleFontSize");
            System.Windows.Application.Current.Resources.Add("TitleFontSize", titlesize);

            double tabsize = ((SystemParameters.PrimaryScreenWidth / 10) / 3 * 2) / 5 * 0.9;
            if (tabsize < 16)
            {
                tabsize = 16;
            }
            System.Windows.Application.Current.Resources.Remove("TabFontSize");
            System.Windows.Application.Current.Resources.Add("TabFontSize", tabsize);

            double gridsize = ((SystemParameters.PrimaryScreenWidth / 10) / 3 * 2) / 5 * 0.8;
            if (gridsize < 14)
            {
                gridsize = 14;
            }
            System.Windows.Application.Current.Resources.Remove("GridFontSize");
            System.Windows.Application.Current.Resources.Add("GridFontSize", gridsize);


            double controlsize = ((SystemParameters.PrimaryScreenWidth / 10) / 3 * 2) / 5 * 0.7;
            if (controlsize < 12)
            {
                controlsize = 12;
            }
            System.Windows.Application.Current.Resources.Remove("ControlFontSize");
            System.Windows.Application.Current.Resources.Add("ControlFontSize", controlsize);
        }

    }
}