using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Juick.ViewModels;
using Microsoft.Phone.Shell;
using System.Windows.Data;
using System.Windows.Navigation;

namespace Juick
{
    public partial class UserFeed : PhoneApplicationPage
    {
        public UserFeed()
        {
            InitializeComponent();
            Model = new UserFeedViewModel(App.AppContext);
            DataContext = Model;
            Loaded += (o, args) =>
            {
                var progressIndicator = SystemTray.ProgressIndicator;

                if (progressIndicator != null)
                {
                    return;
                }
                progressIndicator = new ProgressIndicator();

                SystemTray.SetProgressIndicator(this, progressIndicator);

                Binding binding = new Binding("IsDataLoading") { Source = App.AppContext };

                BindingOperations.SetBinding(
                    progressIndicator, ProgressIndicator.IsVisibleProperty, binding);

                binding = new Binding("IsDataLoading") { Source = App.AppContext };

                BindingOperations.SetBinding(
                    progressIndicator, ProgressIndicator.IsIndeterminateProperty, binding);
            };
        }

        public UserFeedViewModel Model;
        // When page is navigated to set data context to selected item in list
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            if (Model.Items.Count > 0)
                return;
            string _uid = "";
            if (NavigationContext.QueryString.TryGetValue("uid", out _uid))
            {
                Model.Uid = int.Parse(_uid);
            }
            Model.RefreshData();
        }

        private void ListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
        {
            // If selected index is -1 (no selection) do nothing
            if (((ListBox)sender).SelectedIndex == -1)
                return;

            // Navigate to the new page
            var item = Model.Items[((ListBox)sender).SelectedIndex];
            var destUri = string.Format("/ThreadView.xaml?mid={0}", item.MID);
            if (item.RID > 0)
                destUri += string.Format("&rid={0}", item.RID);
            NavigationService.Navigate(new Uri(destUri, UriKind.Relative));

            // Reset selected index to -1 (no selection)
            ((ListBox)sender).SelectedIndex = -1;
        }
    }
}