using System;
using System.IO.IsolatedStorage;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using RestSharp;
using System.Diagnostics;

namespace Juick.Classes
{
    public class AccountManager
    {
        private string _userName;
        private string _password;

        public string UserName
        {
            get
            {
                if (_userName == null)
                {
                    IsolatedStorageSettings.ApplicationSettings.TryGetValue<string>("user", out _userName);
                }
                return _userName;
            }
            set
            {
                _userName = value;
                IsolatedStorageSettings.ApplicationSettings["user"] = _userName;
            }
        }

        public string Password
        {
            get
            {
                if (_password == null)
                {
                    IsolatedStorageSettings.ApplicationSettings.TryGetValue<string>("password", out _password);
                }
                return _password;
            }
            set
            {
                _password = value;
                IsolatedStorageSettings.ApplicationSettings["password"] = value;
            }
        }

        public bool IsAuthenticated
        {
            get
            {
                bool authenticated;
                IsolatedStorageSettings.ApplicationSettings.TryGetValue<bool>("authenticated", out authenticated);
                return authenticated;
            }
            set { IsolatedStorageSettings.ApplicationSettings["authenticated"] = value; }
        }

        

        public string NotificationUri
        {
            get
            {
                string _notificationUri;
                IsolatedStorageSettings.ApplicationSettings.TryGetValue<string>("notification_uri", out _notificationUri);
                return _notificationUri;
            }
            set
            {
                var oldValue = NotificationUri;
                if (!string.IsNullOrEmpty(oldValue))
                    UnregisterNotificationUrl(oldValue);
                IsolatedStorageSettings.ApplicationSettings["notification_uri"] = value;
                if (!string.IsNullOrEmpty(value))
                  RegisterNotificationUrl(value);
            }
        }


        public void SignOut(Page page)
        {
            IsAuthenticated = false;
            App.AppContext.DisableNotifications();
            page.NavigationService.Navigate(new Uri("/LoginView.xaml", UriKind.Relative));
            page.Dispatcher.BeginInvoke(() => page.NavigationService.RemoveBackEntry());
        }

        void RegisterNotificationUrl(string newUrl)
        {
            App.AppContext.Client.ExecuteAsync(new RestRequest("/winphone/register?url=" + Uri.EscapeDataString(newUrl)),
                response => Debug.WriteLine("Registering push url, status {0}: {1}", response.Request.Resource, response.StatusCode));
        }
        void UnregisterNotificationUrl(string oldUrl)
        {
            App.AppContext.Client.ExecuteAsync(new RestRequest("/winphone/unregister?url=" + Uri.EscapeDataString(oldUrl)),
                response => Debug.WriteLine("Unregistered push url, status {0}: {1}", response.Request.Resource, response.StatusCode));
        }
    }
}