using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Diagnostics;
using System.Reflection;
using System.Threading;    

namespace HXX.Scanner.Copier
{
    class Program
    {
        static void Main(string[] args)
        {
            /**
              * 当前用户是管理员的时候，直接启动应用程序
              * 如果不是管理员，则使用启动对象启动程序，以确保使用管理员身份运行
              */
            //获得当前登录的Windows用户标示
            System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();          
            System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);

            //判断当前登录用户是否为管理员
            if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
            {
                //如果是管理员，则直接运行
                work();
            }
            else
            {
                //创建启动对象
                System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
                //设置运行文件
                startInfo.FileName = Assembly.GetEntryAssembly().Location;
                //设置启动参数
                //startInfo.Arguments = String.Join(" ", Args);
                //设置启动动作,确保以管理员身份运行
                startInfo.Verb = "runas";
                //如果不是管理员，则启动UAC
                startInfo.CreateNoWindow = true;
                startInfo.UseShellExecute = true;
                startInfo.WindowStyle = ProcessWindowStyle.Hidden;
                System.Diagnostics.Process.Start(startInfo);
                //退出
                Environment.Exit(0);
            }
        }

        static void work()
        {
            try
            {
                Thread.Sleep(1000);

                if (Directory.GetCurrentDirectory().IndexOf(@"\tempDownloading\unZipFolder") > 0)
                {
                    //关闭启动器和主程序
                    shutdown_process();

                    //var target = @"..\..\";
                    //var target = new DirectoryInfo(Directory.GetCurrentDirectory()).Parent.Parent;
                    var target = new DirectoryInfo(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)).Parent.Parent;
                    var main = target.FullName + @"\HXXScannerClient.exe";

                    //LogManager.WriteLog("开始覆盖升级");
                    //覆盖拷贝到外面主程序，实现覆盖升级
                    DirCopy2.CopyDirectory(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), target.FullName, OverwriteStrategy.Overwrite);
                    //LogManager.WriteLog("覆盖升级成功，准备启动");

                    if (File.Exists(main))
                    {
                        Process process = new Process();
                        ProcessStartInfo startInfo = new ProcessStartInfo();
                        startInfo.FileName = main;
                        //startInfo.Arguments = "";
                        startInfo.WorkingDirectory = target.FullName;
                        //startInfo.RedirectStandardError = true;
                        //startInfo.RedirectStandardInput = true;
                        //startInfo.RedirectStandardOutput = true;
                        startInfo.CreateNoWindow = true;
                        startInfo.UseShellExecute = false;

                        process.StartInfo = startInfo;
                        process.EnableRaisingEvents = false;

                        process.Start();

                        System.Threading.Thread.Sleep(200);
                        Environment.Exit(0);
                    }
                    else
                    {
                        LogManager.WriteLog("未能找到待启动主程序");
                    }
                }
                else
                {
                    LogManager.WriteLog("未能找到升级路径");
                    LogManager.WriteLog(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
                }
            }
            catch (Exception ee)
            {
                LogManager.WriteLog(ee);
            }
        }

        static void shutdown_process()
        {
            try
            {
                var p_starter = Process.GetProcessesByName("HXX.Scanner.Starter");
                var p_client = Process.GetProcessesByName("HXXScannerClient");

                foreach (var p in p_starter)
                {
                    p.Kill();
                }

                foreach (var p in p_client)
                {
                    p.Kill();
                }
            }
            catch (Exception ee)
            {
                LogManager.WriteLog(ee);
            }
        }
    }
}