using System;
using System.Threading;
using System.Windows.Forms;
using NLog;

namespace FATrace.OEMApp
{
    internal static class Program
    {
        //日志的实例化
        private static Logger logger = LogManager.GetCurrentClassLogger();

        public static bool IsActive { get; private set; }

        public static DateTime StartTime = DateTime.Now;

        public static string SystemName = "";

        /// <summary>
        ///  The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
            bool isAppRunning = false;
            Mutex mutex = new Mutex(true, System.Diagnostics.Process.GetCurrentProcess().ProcessName, out isAppRunning);
            if (!isAppRunning)
            {
                MessageBox.Show("程序已运行，不能再次打开！");
                Environment.Exit(1);
            }


            // 授权 12.3
            //V12.3.0: d8868ab9 - 4494 - 4056 - 98c6 - b669e2434e25
            //V12.2.0: fe49cdb6 - b388 - 4c05 - 9b66 - 0e3f1ad3627f
            //V12.1.3: 2fb771c7 - 4c29 - 445d - bddd - a7b8a75de397
            //V12.1.2: b23b00e2 - ce46 - 4bfc - b33c - 71c47c2c11c2
            //V12.1.1: 95057912 - 579c - 42d1 - ad31 - eb598f73706f
            //V11.8.2: b980977c - 3323 - 4876 - b633 - c0bef93d75c1
            if (!HslCommunication.Authorization.SetAuthorizationCode("d8868ab9-4494-4056-98c6-b669e2434e25"))
            {
                //active failed
                MessageBox.Show("授权失败！当前程序只能使用8小时！");
                // return;
            }
            else
            {
                IsActive = true;
            }

            // 可选系统名
            try
            {
                SystemName = FATrace.Com.ConfigHelper.GetStringOrDefault("SystemName", "FATrace OEM");
            }
            catch (Exception ex)
            {
                logger.Warn(ex, "读取 SystemName 失败，采用默认值。");
                SystemName = "FATrace OEM";
            }

            // 数据库连通性自检
            try
            {
                var db = FSqlContext.FDb;
                var ok = db.Ado.ExecuteScalar("SELECT 1");
                logger.Info($"数据库连通性检查成功，返回: {ok}");
            }
            catch (Exception ex)
            {
                logger.Error(ex, "数据库连通性检查失败，请检查 App.config 中的连接字符串 connecting 以及数据库服务状态。");
                // 不强制退出，让 UI 仍可启动，但在 UI 中提示
            }

            // To customize application configuration such as set high DPI settings or default font,
            // see https://aka.ms/applicationconfiguration.
            ApplicationConfiguration.Initialize();
            Application.Run(new MainApp());
        }

        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            try
            {
                var ex = e.ExceptionObject as Exception;
                if (ex != null)
                {
                    logger.Error(ex, $"未处理异常，是否终止: {e.IsTerminating}");
                }
                else
                {
                    logger.Error($"未处理异常（非 Exception 对象），是否终止: {e.IsTerminating}. 对象: {e.ExceptionObject}");
                }
            }
            catch
            {
                // 忽略日志失败，避免再次引发异常
            }
        }
    }
}