using System;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Navigation;
using Juick.ViewModels;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using System.Windows.Data;
using System.Windows;
using RestSharp;
using System.Net;

namespace Juick
{
    public partial class ThreadView : PhoneApplicationPage
    {
        public ThreadView()
        {
            InitializeComponent();
            Model = new ThreadViewModel(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 ThreadViewModel 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 _mid = "";
            if (NavigationContext.QueryString.TryGetValue("mid", out _mid))
            {
                Model.Mid = int.Parse(_mid);
            }
            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("/NewPostView.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;
        }

        void RecommendBarMenuItem_Click(object sender, EventArgs e)
        {
            ExecuteJuickAction("!");
        }

        void SubscribeBarMenuItem_Click(object sender, EventArgs e)
        {
            ExecuteJuickAction("S");
        }

        void UnsubscribeBarMenuItem_Click(object sender, EventArgs e)
        {
            ExecuteJuickAction("U");
        }

        void ExecuteJuickAction(string action)
        {
            var request = new RestRequest("/post", Method.POST);
            request.AddParameter("body", string.Concat(action, " #", Model.Mid));
            App.AppContext.Client.ExecuteAsync(request, response =>
            {
                App.AppContext.IsDataLoading = false;
                if(response.StatusCode != HttpStatusCode.OK || !string.IsNullOrEmpty(response.Content))
                {
                    MessageBox.Show(string.Concat(response.StatusCode, ": ", response.Content));
                }
            });
            App.AppContext.IsDataLoading = true;
        }
    }
}