using System.Collections.Generic;
using System.Data.Entity.Core.Mapping;
using System.Data.Entity.Core.Metadata.Edm;
using System.Data.Entity.Infrastructure;
using System.Linq;
using System.Reflection;
using System.Web;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using Autofac;
using Autofac.Integration.Mvc;
using EMIS.Utility;
using System.Resources;
using EMIS.Web.Controllers;
using System;
using EMIS.Web.Controls.DataAnnotations;
using Autofac.Integration.Wcf;
using System.Globalization;
using Bowin.Common;

namespace EMIS.Web
{
    // 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

    public class MvcApplication : System.Web.HttpApplication, IAutofacContainerProvider
    {
        static IContainer _container;
        public IContainer Container
        {
            get { return _container; }
            set { _container = value; }
        }

        protected void Application_Start()
        {
            if (DateTimeFormatInfo.CurrentInfo != null)
            {
                var type = DateTimeFormatInfo.CurrentInfo.GetType();
                var field = type.GetField("generalLongTimePattern", BindingFlags.NonPublic | BindingFlags.Instance);
                if (field != null)
                    field.SetValue(DateTimeFormatInfo.CurrentInfo, "yyyy-MM-dd HH:mm:ss");
            }

            var viewEngines = ViewEngines.Engines;
            var webFormEngines = viewEngines.OfType<WebFormViewEngine>().FirstOrDefault();

            if (webFormEngines != null)
            {
                viewEngines.Remove(webFormEngines);
            }

            AreaRegistration.RegisterAllAreas();
            BundleTable.EnableOptimizations = true;
            //WebApiConfig.Register(GlobalConfiguration.Configuration);
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);
            //AuthConfig.RegisterAuth();

            var builder = new ContainerBuilder();

            builder.RegisterModule<EMIS.CommonLogic.DALModule>();
            builder.RegisterModule<EMIS.CommonLogic.ServiceModule>();

            builder.RegisterControllers(Assembly.GetExecutingAssembly()).PropertiesAutowired();

            try
            {
                var _container = builder.Build();
                AutofacHelper.Container = _container;
                AutofacHostFactory.Container = _container;
                DependencyResolver.SetResolver(new Autofac.Integration.Mvc.AutofacDependencyResolver(_container));
            }
            catch (Exception)
            {
                
                throw;
            }

            //EF优化代码
            using (Entities.EMISNewContext dbContext = new Entities.EMISNewContext())
            {
                var objectContext = ((IObjectContextAdapter)dbContext).ObjectContext;

                var mappintCollection = (StorageMappingItemCollection)objectContext.MetadataWorkspace.GetItemCollection(DataSpace.CSSpace);

                mappintCollection.GenerateViews(new List<EdmSchemaError>());
            }

            //MVC视图验证映射
            ModelMetadataProviders.Current = new CustomerMetadataProvider();
            //ViewEngines.Engines.Clear();
            //ViewEngines.Engines.Add(new EcViewEngine());
        }

        //public sealed class EcViewEngine : RazorViewEngine
        //{
        //    public EcViewEngine()
        //    {
        //        ViewLocationFormats = new[]
        //    {
        //        "~/Views/{1}/{0}.cshtml",//系统默认规则
        //        "~/Views/Shared/{0}.cshtml",//系统默认规则
        //        "~/Views/CalendarManage/{1}/{0}.cshtml",//我们的规则    
        //        "~/Views/EvaluationManage/{1}/{0}.cshtml",//我们的规则
        //    };
        //    }
        //    public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
        //    {
        //        return base.FindView(controllerContext, viewName, masterName, useCache);
        //    }

        //}

        ///// <summary>
        ///// 验证处理 IPrinceple
        ///// 将保存在票据中的信息转为当前的用户信息
        ///// 
        ///// </summary>
        ///// <param name="sender"></param>
        ///// <param name="e"></param>
        //protected void Application_AuthenticateRequest(Object sender, EventArgs e)
        //{
        //    FormsAuthenticationHelper fahelper = new FormsAuthenticationHelper();

        //    List<string> lurl = new List<string>();

        //    lurl.Add("Content/");
        //    lurl.Add("Doc/");
        //    lurl.Add("Scripts/");
        //    lurl.Add("Login/");
        //    lurl.Add("UploadFile/");

        //    var cookieName = EMIS.Utility.Const.LOCAL_SETTING_LOGIN_COOKIENAME;

        //    fahelper.AuthenticateRequest(Context, cookieName, lurl);
        //}

        void Application_BeginRequest(object sender, EventArgs e)
        {
            //黑名单内的地址必须验证
            if ((Const.LOCAL_AUTH_INCLUDEURL != null &&
                Const.LOCAL_AUTH_INCLUDEURL.Any(w => Request.Path.ToLower().IndexOf(w.ToLower()) >= 0)))
            {
                FormsAuthenticationHelper fahelper = new FormsAuthenticationHelper();

                var cookieName = EMIS.Utility.Const.LOCAL_SETTING_LOGIN_COOKIENAME;
                fahelper.AuthenticateRequest(HttpContext.Current, cookieName, Const.LOCAL_AUTH_EXCEPTURL, Const.LOCAL_AUTH_INCLUDEURL);

                var userInfo = EMIS.Utility.FormValidate.CustomPrincipal.Current;
                if (userInfo == null)
                {
                    throw new HttpException(401, "该资源需要登录后访问");
                }
            }
        }

        private void UpdateCookie(string cookie_name, string cookie_value)
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies.Get(cookie_name);
            if (null == cookie)
            {
                cookie = new HttpCookie(cookie_name);
            }
            cookie.Value = cookie_value;
            HttpContext.Current.Request.Cookies.Set(cookie);//重新设定请求中的cookie值，将服务器端的session值赋值给它
        }

    }
}