using EC.AutoWeightServer.UI;
using EC.Utils;
using EC.Utils.Storage;
using System;
using System.Data.SqlClient;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace EC.AutoWeightServer
{
	internal static class Program
	{
		private static Mutex _mutex;

		/// <summary>
		/// 应用程序的主入口点
		/// </summary>
		[STAThread]
		private static void Main()
		{
			EnvUtil.InitWorkDirectory();
			EnvUtil.AddDllPath(EnvUtil.CombinePath(EnvUtil.GetWorkDirectory(), "dll"));
			Application.EnableVisualStyles();
			Application.SetCompatibleTextRenderingDefault(false);
			Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
			Application.ThreadException += Application_ThreadException;
			AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;

			// 在应用程序启动时运行的代码
			log4net.Config.XmlConfigurator.Configure();

			_mutex = new Mutex(false, "AutoWeightServer", out var bCreatedNew);

			if (bCreatedNew)
			{
				LocalStorage.Init();

				var frmMainServer = new FrmMainServer { StartPosition = FormStartPosition.CenterScreen };
				Application.Run(frmMainServer);
			}
			else
			{
				MessageBox.Show("程序已经运行！不能重复运行！");
			}
		}

		private static void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
		{
			string str = GetExceptionMsg(e.Exception, e.ToString());
			LogUnit.Error("全局异常捕获 CSUI：\r\n" + str);
			MessageBox.Show("操作执行异常，可尝试重新执行！\r\n\r\n" + e.Exception.Message, "UIException " + e.Exception.GetType().Name, MessageBoxButtons.OK, MessageBoxIcon.Error);

			Environment.Exit(1);
		}

		private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
		{
			string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
			LogUnit.Error("全局异常捕获 CSUnUI：\r\n" + str);
			MessageBox.Show("操作执行异常，程序即将关闭！\r\n\r\n" + (e.ExceptionObject as Exception)?.Message, "UnUIException " + (e.ExceptionObject as Exception)?.GetType().Name, MessageBoxButtons.OK, MessageBoxIcon.Error);

			Environment.Exit(1);
		}

		private static string GetExceptionMsg(Exception ex, string backStr)
		{
			string num = (ex.GetType().Name != "SqlException") ? "" : " " + (ex as SqlException).Number.ToString();
			var builder = new StringBuilder();
			builder.AppendLine("【出现时间】：" + DateTime.Now);
			if (ex != null)
			{
				builder.AppendLine("【异常类型】：" + ex.GetType().Name + num);
				builder.AppendLine("【异常信息】：" + ex.Message);
				builder.AppendLine("【堆栈调用】：" + ex.StackTrace);
			}
			else
			{
				builder.AppendLine("【未处理异常】：" + backStr);
			}
			return builder.ToString();
		}
	}
}