using System;
using System.Web;
using System.Web.Http;
using System.Web.Mvc;
using System.Web.Routing;
using System.Web.SessionState;
using Jp.ApiCam.App_Start;
using Jp.ApiCam.Infrastructures;
using Pcb.Common;
using Pcb.Common.Enum;
using Pcb.Infrastructure.Ioc;

namespace Jp.ApiCam
{
    // 注意: 有关启用 IIS6 或 IIS7 经典模式的说明，
    // 请访问 http://go.microsoft.com/?LinkId=9394801
    /// <summary>
    /// 
    /// </summary>
    public class MvcApplication : System.Web.HttpApplication
    {
        /// <summary>
        /// 构造函数
        /// </summary>
        public override void Init()
        {
            EnableSession();
            base.Init();
        }

        #region 启用session
        void EnableSession()
        {
            PostAuthenticateRequest += MvcApplication_PostAuthenticateRequest;
        }
        private void MvcApplication_PostAuthenticateRequest(object sender, EventArgs e)
        {
            HttpContext.Current.SetSessionStateBehavior(SessionStateBehavior.Required);
        }
        #endregion

        /// <summary>
        /// 
        /// </summary>
        protected void Application_Start()
        {
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
            AreaRegistration.RegisterAllAreas();
            WebApiConfig.Register(GlobalConfiguration.Configuration);
            WebApiFilterConfig.RegisterGlobalFilters(GlobalConfiguration.Configuration.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            var desc = GlobalConfiguration.Configuration.Services.GetApiExplorer().ApiDescriptions;
        }

        void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            var ex = Server.GetLastError();
            LogHelper.Error("UnhandledException", (Exception)e.ExceptionObject);
            AppResponseMessageHelper.Error(EnumApiStatusCode.Error, ConfigUtils.IsProductionEnvironment ? "服务器或网络异常" : ex.Message);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Application_Error(object sender, EventArgs e)
        {
            var ex = Server.GetLastError();
            LogHelper.Error("Application_Error", ex);
            //System.IO.File.AppendAllText(Server.MapPath("./")+"log.txt",ex.StackTrace + "\r\n" + ex.Source + "\r\n" + ex.Message);
            AppResponseMessageHelper.Error(EnumApiStatusCode.Error, ConfigUtils.IsProductionEnvironment ? "服务器或网络异常" : ex.Message);
        }

        /// <summary>
        /// 
        /// </summary>
        protected void Application_BeginRequest()
        {
        }

        /// <summary>
        /// 
        /// </summary>
        protected void Application_EndRequest()
        {
        }
    }
}