using CefSharp;
using System;
using System.IO;
using System.Security.Principal;
using System.Text;
using System.Windows.Forms;
using System.Xml;

namespace UAS_Web
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            try
            {
                WindowsIdentity identity = WindowsIdentity.GetCurrent();
                WindowsPrincipal principal = new WindowsPrincipal(identity);
                //设置应用程序处理异常方式：ThreadException处理
                Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
                //处理UI线程异常
                Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
                //处理非UI线程异常
                AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
                #region 应用程序的主入口点
                var setting = new CefSettings() { IgnoreCertificateErrors = true };
                setting.CefCommandLineArgs.Add("disable-gpu", "1");
                Cef.Initialize(setting);
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                FileStream fcaches = new FileStream(System.AppDomain.CurrentDomain.BaseDirectory + "cache.xml", FileMode.OpenOrCreate, FileAccess.ReadWrite);
                fcaches.Close();
                FileInfo info = new FileInfo(System.AppDomain.CurrentDomain.BaseDirectory + "cache.xml");
                if (info.Length == 0)
                {
                    XmlDocument doc = new XmlDocument();
                    //创建类型声明节点  
                    XmlNode node = doc.CreateXmlDeclaration("1.0", "utf-8", "");
                    doc.AppendChild(node);
                    //创建根节点  
                    XmlElement xeRoot = doc.CreateElement("cacheInfo");
                    doc.AppendChild(xeRoot);
                    doc.Save(System.AppDomain.CurrentDomain.BaseDirectory + "cache.xml");
                }
                //如果是管理员的身份
                if (principal.IsInRole(WindowsBuiltInRole.Administrator))
                {
                    Application.Run(new Browser());
                }
                else
                {
                    //创建启动对象 
                    System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
                    // 设置运行文件
                    startInfo.FileName = Application.ExecutablePath;
                    //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 
                    System.Diagnostics.Process.Start(startInfo);
                    //退出 System.Windows.Forms.Application.Exit(); 
                }
                #endregion
            }
            catch (Exception)
            {

            }
        }

        //处理线程的异常
        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.Exception, e.ToString());
            MessageBox.Show(str, "提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);
        }

        //未处理的异常统一通过这里返回
        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
            MessageBox.Show(str, "提示", MessageBoxButtons.OK, MessageBoxIcon.Stop);
        }

        /// <summary>
        /// 生成自定义异常消息
        /// </summary>
        /// <param name="ex">异常对象</param>
        /// <param name="backStr">备用异常消息：当ex为null时有效</param>
        /// <returns>异常字符串文本</returns>
        static string GetExceptionMsg(Exception ex, string backStr)
        {
            StringBuilder sb = new StringBuilder();
            if (ex != null)
            {
                sb.AppendLine(ex.Message);
                //sb.AppendLine("【异常方法】：" + ex.StackTrace);
            }
            //else { sb.AppendLine("【未处理异常】：" + backStr); }
            return sb.ToString();
        }
    }
}