using System;
using System.Windows;
using System.Windows.Controls;
using MahTweets.Mobile.Core.Services;

namespace MahTweets.Mobile.Core
{
    public static class ActionsBar
    {
        public static DependencyProperty TypeProperty =
            DependencyProperty.RegisterAttached("Type", typeof (string), typeof (ActionsBar), null);

        public static DependencyProperty ShowProperty =
            DependencyProperty.RegisterAttached("Show", typeof (bool), typeof (ActionsBar),
                                                new PropertyMetadata(ShowChanged));

        public static INavigationService NavigationService { get; set; }

        private static void ShowChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var t = Type.GetType(GetType(d), true);
            if (t == null)
                return;

            var instance = (ActionsBarBase)Activator.CreateInstance(t);

            instance.Initialise(NavigationService, (AbstractStatusUpdate) ((Control) d).DataContext);

            ((ContentControl) d).Content = 
                (bool) e.NewValue ? 
                instance :
                null;
        }

        public static void SetShow(DependencyObject o, bool value)
        {
            o.SetValue(ShowProperty, value);
        }

        public static bool GetShow(DependencyObject o)
        {
            return (bool) o.GetValue(ShowProperty);
        }

        public static void SetType(DependencyObject o, string value)
        {
            o.SetValue(TypeProperty, value);
        }

        public static string GetType(DependencyObject o)
        {
            return (string)o.GetValue(TypeProperty);
        }
    }
}