using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core.DI;
using Tango.FSE.Common;
using Tango.FSE.Common.FSEApplication;
using Tango.FSE.Common.Navigation;
using Tango.FSE.Common.Tiles;
using Tango.FSE.UI.ViewModels;

namespace Tango.FSE.UI.Tiles
{
    public class DefaultDashboardManager : IDashboardManager
    {
        public ObservableCollection<DashboardTile> Tiles { get; private set; }

        private INavigationManager NavigationManager { get; set; }

        public DefaultDashboardManager(INavigationManager navigationManager)
        {
            Tiles = new ObservableCollection<DashboardTile>();

            NavigationManager = navigationManager;
            NavigationManager.Navigating += NavigationManager_Navigating;
        }

        private void NavigationManager_Navigating(object sender, NavigationToEventArgs e)
        {
            if (e.ToVM != null && e.ToVM.GetType() == typeof(DashboardViewVM))
            {
                Tiles.ToList().ForEach(x => x.OnNavigatedTo());
            }
            else
            {
                Tiles.ToList().ForEach(x => x.OnNavigatedFrom());
            }
        }

        public async void OnApplicationStarted(IFSEApplicationManager applicationManager)
        {
            await Task.Delay(100);
            Tiles.ToList().ForEach(x => TangoIOC.Default.Inject(x));
            Tiles.ToList().ForEach(x => x.OnApplicationStarted());
        }

        public async void OnApplicationReady(IFSEApplicationManager applicationManager)
        {
            await Task.Delay(100);
            Tiles.ToList().ForEach(x => x.OnApplicationReady());
        }
    }
}