using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Composition;
using System.Linq;
using System.Text;
using Caliburn.Micro;

namespace Pithos.Client.WPF.Shell
{
    [Export(typeof(MiniStatusViewModel)),PartCreationPolicy(CreationPolicy.Shared)]    
    public class MiniStatusViewModel:Screen
    {
        public override string DisplayName
        {
            get
            {
                return "Pithos+ Status";
            }
            set
            {
                base.DisplayName = value;
            }
        }
        
        public string Status
        {
            get { return Shell.StatusMessage; }
        }

        private ShellViewModel _shell;
        public ShellViewModel Shell
        {
            get { return _shell; }
            set
            {
                _shell = value;
                _shell.PropertyChanged += OnParentChanged;
            }
        }

        private void OnParentChanged(object sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName=="StatusMessage")
                NotifyOfPropertyChange(()=>Status);
        }

        private string _pauseImage="../Images/Pause.png";
        public string PauseImage
        {
            get { return _pauseImage; }
            set
            {
                _pauseImage = value;
                NotifyOfPropertyChange(()=>PauseImage);
            }
        }

        private string _pauseToolTip="Pause Syncing";
        public string PauseToolTip
        {
            get { return _pauseToolTip; }
            set
            {
                _pauseToolTip = value;
                NotifyOfPropertyChange(()=>PauseToolTip);
            }
        }

        public void ToggleSyncing()
        {
            Shell.ToggleSynching();
            PauseImage = Shell.IsPaused
                             ? "../Images/Play.png"
                             : "../Images/Pause.png";
            PauseToolTip = Shell.IsPaused
                             ? "Resume Syncing"
                             : "Pause Syncing";
        }
    }
}