using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

namespace PBMS.Class
{
    public class CustomAuthorize : AuthorizeAttribute
    {
        protected override bool AuthorizeCore(HttpContextBase httpContext)
        {
            if (httpContext.Session == null || httpContext.Session["UserLogin"] == null)
                return false;

            return base.AuthorizeCore(httpContext);
        }

        protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
        {
            string pathRef = "";
            var ajaxReq = filterContext.HttpContext.Request;
            try
            {
                pathRef = filterContext.RequestContext.HttpContext.Request.RawUrl;
            }
            catch (Exception)
            {
                pathRef = "/Home/Index";
            }

            BMSLog.ErrorLog("Unauthorized - " + (filterContext.RequestContext.HttpContext.Request.UserHostAddress ?? ""), pathRef);

            string redirectPath = RouteTable.Routes.GetVirtualPath(filterContext.RequestContext, new RouteValueDictionary(
            new
            {
                controller = "Home",
                action = "Login",
                ReturnUrl = pathRef
            })).VirtualPath;


            if (ajaxReq.IsAjaxRequest())
            {
                //filterContext.Result = new JavaScriptResult() { Script = (@"jQueryEnforceDialog('#divOutOfSession', 'พบปัญหาในการเชื่อมต่อ กรุณา Login เข้าสู่ระบบใหม่อีกครั้ง', 'แจ้งเตือนการใช้งาน',function () { window.location='" + redirectPath + "';});") };
                filterContext.HttpContext.Response.Clear();
                filterContext.HttpContext.Response.StatusCode = 401;
                filterContext.HttpContext.Response.Flush();
                filterContext.HttpContext.Response.End();
            }
            else
            {
                filterContext.Result = new RedirectToRouteResult(
                        new RouteValueDictionary(
                            new
                            {
                                controller = "Home",
                                action = "SessionUnauthorized",
                                ReturnUrl = redirectPath
                            })
                        );
            }
        }
    }

    public class CustomActionFilter : ActionFilterAttribute, IActionFilter
    {
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            if (filterContext.HttpContext.Session == null || filterContext.HttpContext.Session["UserLogin"] == null)
            {
                string pathRef = "";
                var ajaxReq = filterContext.HttpContext.Request;
                try
                {
                    pathRef = filterContext.RequestContext.HttpContext.Request.RawUrl;
                }
                catch (Exception)
                {
                    pathRef = "/Home/Index";
                }

                //BMSLog.ErrorLog("Unauthorized - " + (filterContext.RequestContext.HttpContext.Request.UserHostAddress ?? ""), pathRef);

                string redirectPath = RouteTable.Routes.GetVirtualPath(filterContext.RequestContext, new RouteValueDictionary(
                new
                {
                    controller = "Home",
                    action = "Login",
                    ReturnUrl = pathRef
                })).VirtualPath;


                if (ajaxReq.IsAjaxRequest())
                {
                    filterContext.Result = new HttpStatusCodeResult(401);
                }
                else
                {
                    filterContext.Result = new RedirectToRouteResult(
                            new RouteValueDictionary(
                                new
                                {
                                    controller = "Home",
                                    action = "SessionUnauthorized",
                                    ReturnUrl = redirectPath
                                })
                            );
                }
                //filterContext.Result = new EmptyResult();
            }
            else
            {
                base.OnActionExecuting(filterContext);
            }
        }

        public override void OnResultExecuting(ResultExecutingContext filterContext)
        {
            if (filterContext.HttpContext.Session == null || filterContext.HttpContext.Session["UserLogin"] == null)
            {
                string pathRef = "";
                var ajaxReq = filterContext.HttpContext.Request;
                try
                {
                    pathRef = filterContext.RequestContext.HttpContext.Request.RawUrl;
                }
                catch (Exception)
                {
                    pathRef = "/Home/Index";
                }

                //BMSLog.ErrorLog("Unauthorized - " + (filterContext.RequestContext.HttpContext.Request.UserHostAddress ?? ""), pathRef);

                string redirectPath = RouteTable.Routes.GetVirtualPath(filterContext.RequestContext, new RouteValueDictionary(
                new
                {
                    controller = "Home",
                    action = "Login",
                    ReturnUrl = pathRef
                })).VirtualPath;


                if (ajaxReq.IsAjaxRequest())
                {
                    filterContext.Result = new HttpStatusCodeResult(401);
                }
                else
                {
                    filterContext.Result = new RedirectToRouteResult(
                            new RouteValueDictionary(
                                new
                                {
                                    controller = "Home",
                                    action = "SessionUnauthorized",
                                    ReturnUrl = redirectPath
                                })
                            );
                }
                //filterContext.Result = new EmptyResult();
            }
            else
            {
                base.OnResultExecuting(filterContext);
            }
        }


    }
}