using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Http;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using System.Configuration;
using System.Text;
using BLL;
using Model;
using System.Globalization;

namespace WebAPI
{
    public class WebApiApplication : System.Web.HttpApplication
    {
        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            GlobalConfiguration.Configure(WebApiConfig.Register);
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);
            BLL.Funs.ConnString = ConfigurationManager.AppSettings["ConnectionString"];
            BLL.Funs.PageSize = Convert.ToInt32(ConfigurationManager.AppSettings["PageSize"]);
            BLL.ErrLogInfo.DefaultErrLogFullPath = Server.MapPath("~/ErrLog.txt");

            // 使api返回为json 
            GlobalConfiguration.Configuration.Formatters.XmlFormatter.SupportedMediaTypes.Clear();
        }

        protected void Application_Error(object sender, EventArgs e)
        {
            StringBuilder errLog = null;
            Exception ex = null;
            using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
            {
                Sys_ErrLogInfo newErr = new Sys_ErrLogInfo
                {
                    ErrLogId = SQLHelper.GetNewID()
                };
                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));
                    newErr.ErrUrl = Request.Url.AbsoluteUri;

                    if (Request.UserHostAddress != null)
                    {
                        errLog.Append(String.Format(CultureInfo.InvariantCulture, "IP地址:{0}\r\n", Request.UserHostAddress));
                        newErr.ErrIP = Request.UserHostAddress;
                    }

                    if (Session != null && Session["CurrUser"] != null)
                    {
                        errLog.Append(String.Format(CultureInfo.InvariantCulture, "操作人员:{0}\r\n", ((Model.Sys_User)Session["CurrUser"]).UserName));
                        newErr.UserName = ((Model.Sys_User)Session["CurrUser"]).UserId;
                    }
                }
                catch
                {

                }
                finally
                {
                    if (errLog != null)
                    {
                        db.Sys_ErrLogInfo.InsertOnSubmit(newErr);
                        db.SubmitChanges();
                    }

                    ErrLogInfo.WriteLog( ex, errLog == null ? null : errLog.ToString());
                    Server.ClearError();
                }
            }
        }
    }
}