using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
using System.Web;

using DotNetNuke.Common;
using DotNetNuke.Common.Utilities;
using DotNetNuke.Entities.Controllers;
using DotNetNuke.Entities.Host;
using DotNetNuke.Entities.Portals;
using DotNetNuke.Entities.Tabs;
//using DotNetNuke.HttpModules.Config;
//using DotNetNuke.Instrumentation;
using DotNetNuke.Services.EventQueue;
using DotNetNuke.Services.Localization;
using DotNetNuke.Services.Mobile;

namespace myLib.Managers
{
    /// 

    /// ASMXMobileRedirect
    ///
    /// $Date: $
    /// $Author: $
    /// $Revision: $
    /// 
    public class ASMXMobileRedirectModule : IHttpModule
    {
        private IRedirectionController _redirectionController;
        public string ModuleName
        {
            get
            {
                return "MobileRedirectModule";
            }
        }

        #region IHttpModule Members

        public void Init(HttpApplication application)
        {
            _redirectionController = new RedirectionController();
            application.BeginRequest += OnBeginRequest;
        }

        public void Dispose()
        {
        }

        #endregion

        public void OnBeginRequest(object s, EventArgs e)
        {
            var app = (HttpApplication)s;

            //First check if we are upgrading/installing
            if (app.Request.Url.LocalPath.ToLower().EndsWith("install.aspx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("upgradewizard.aspx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("installwizard.aspx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("captcha.aspx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("scriptresource.axd")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("webresource.axd")
                    || app.Request.Url.LocalPath.ToLower().EndsWith("sitemap.aspx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith(".asmx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith(".ashx")
                    || app.Request.Url.LocalPath.ToLower().EndsWith(".svc"))
            {
                return;
            }

            //second, check to see if it's an asmx call.  
            if (app.Request.Url.LocalPath.Contains("asmx/"))
                return;

            if (_redirectionController != null)
            {
                var portalSettings = PortalController.GetCurrentPortalSettings();
                if (portalSettings != null && portalSettings.ActiveTab != null)
                {
                    if (app != null && app.Request != null && !string.IsNullOrEmpty(app.Request.UserAgent))
                    {
                        //Check if redirection has been disabled for the session
                        //This method inspects cookie and query string. It can also setup / clear cookies.
                        if (!_redirectionController.IsRedirectAllowedForTheSession(app))
                        {
                            return;
                        }

                        string redirectUrl = _redirectionController.GetRedirectUrl(app.Request.UserAgent);
                        if (!string.IsNullOrEmpty(redirectUrl))
                        {
                            app.Response.Redirect(redirectUrl);
                        }
                    }
                }
            }
        }
    }
}