namespace FineUIPro.Web
{
    using System;
    using System.Configuration;
    using System.Diagnostics.CodeAnalysis;
    using System.Globalization;
    using System.Linq;
    using System.IO;
    using System.Net;
    using System.Text;
    using System.Threading;
    using System.Web;
    using BLL;

    public class Global : System.Web.HttpApplication
    {
        /// <summary>
        /// 自动启用插件标志文件路径
        /// </summary>
        private static string applicationActiveFlagFilePhysicalPath = String.Empty;

        protected void Application_Start(object sender, EventArgs e)
        {
            Application["OnlineUserCount"] = 0;
            try
            {
                Funs.RootPath = Server.MapPath("~/");

                // 日志文件所在目录
                ErrLogInfo.DefaultErrLogFullPath = Server.MapPath("~/ErrLog.txt");
                //Funs.ConnString = ConfigurationManager.AppSettings["ConnectionString"];
                Funs.SystemName = ConfigurationManager.AppSettings["SystemName"];
                Funs.ConnString = ConfigurationManager.ConnectionStrings["HJGLDBConnectionString"].ConnectionString;

            }
            catch (Exception ex)
            {
                ErrLogInfo.WriteLog(ex);
                AppDomain.Unload(AppDomain.CurrentDomain);
            }

            // 清理日志
            if (DateTime.Now.Hour == 7)
            {
                System.Timers.Timer aTimer = new System.Timers.Timer();
                //12小时执行一次
                aTimer.Interval = 12 * 60 * 60 * 1000;
                aTimer.Enabled = true;
                aTimer.Start();
                aTimer.Elapsed += new System.Timers.ElapsedEventHandler(DeleteLog);
            }
        }

        private void DeleteLog(object sender, System.Timers.ElapsedEventArgs e)
        {
            DateTime delDate = DateTime.Now.AddMonths(-1);
            var logs = from x in Funs.DB.Sys_Log where x.OperationTime <= delDate select x;
            Funs.DB.Sys_Log.DeleteAllOnSubmit(logs);
            Funs.DB.SubmitChanges();
        }

        protected void Session_Start(object sender, EventArgs e)
        {
            Session.Timeout = 36000;

            // 这种统计在线人数的做法会有一定的误差
            Application.Lock();
            Application["OnlineUserCount"] = (int)Application["OnlineUserCount"] + 1;
            Application.UnLock();

            // https访问secure设置为true
            if (Request.IsSecureConnection)
            {
                Response.Cookies["ASP.NET_SessionId"].Secure = true;
            }
        }

        protected void Application_BeginRequest(object sender, EventArgs e)
        {

        }

        protected void Application_AuthenticateRequest(object sender, EventArgs e)
        {

        }

        protected void Application_Error(object sender, EventArgs e)
        {
            StringBuilder errLog = null;
            Exception ex = null;
            try
            {
                // 获取错误类
                ex = Server.GetLastError().InnerException;
                if (ex == null)
                {
                    ex = Server.GetLastError().GetBaseException();
                }

                errLog = new StringBuilder();
                errLog.Append(String.Format(CultureInfo.InvariantCulture, "出错文件:{0}\r\n", Request.Url.AbsoluteUri));
                if (Request.UserHostAddress != null)
                {
                    errLog.Append(String.Format(CultureInfo.InvariantCulture, "IP地址:{0}\r\n", Request.UserHostAddress));
                }

                if (Session != null && Session["CurrUser"] != null)
                {
                    errLog.Append(String.Format(CultureInfo.InvariantCulture, "操作人员:{0}\r\n", BLL.Sys_UserService.GetUsersByUserId(((Model.Sys_User)Session["CurrUser"]).UserId).UserName));
                }
                else
                {
                    PageBase.ZXRefresh(Request.ApplicationPath + "/LogOff.aspx");
                }

                if (ex is HttpRequestValidationException)
                {
                    PageBase.ZXRefresh(Request.ApplicationPath + "/Wrong.aspx?Message=0");
                }
                else if (ex is FriendlyException)
                {
                    PageBase.ZXRefresh(Request.ApplicationPath + "/Wrong.aspx?MessageText=" + ex.Message);
                }
            }
            catch
            {
                try
                {
                    PageBase.ZXRefresh(Request.ApplicationPath + "/OperationError.aspx");
                }
                catch
                {
                }
            }
            finally
            {
                ErrLogInfo.WriteLog(ex, errLog == null ? null : errLog.ToString());
                Server.ClearError();

                PageBase.ZXRefresh(Request.ApplicationPath + "/OperationError.aspx");
            }


        }

        protected void Session_End(object sender, EventArgs e)
        {

        }

        protected void Application_End(object sender, EventArgs e)
        {

        }
    }
}