using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using InABox.Core;
using InABox.Mobile;
using Syncfusion.SfDiagram.XForms;
using Syncfusion.XForms.TreeView;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace PRS.Mobile
{
    public class BookmarkConverter : UtilityConverter<CoreTreeNode, ImageSource>
    {
        public MeetingItemModel Model { get; set; }
        
        private static readonly ImageSource _hasminutes = ImageSource.FromFile("bookmark_green");
        private static readonly ImageSource _nominutes = ImageSource.FromFile("bookmark_gray");
        
        protected override ImageSource Convert(CoreTreeNode value)
        {
           var item = Model?.Items.FirstOrDefault(x => x.ID == value?.ID);
           return (String.IsNullOrWhiteSpace(item?.Minutes))
               ? _nominutes
               : _hasminutes;
        }
    }
    
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class MeetingEditItemsView
    {
        public MeetingEditItemsView()
        {
            InitializeComponent();
        }

        public override void Refresh()
        {
            BookmarkConverter.Model = ViewModel?.Items;
            _agenda.ItemsSource = ViewModel?.Items?.Agenda?.Nodes;
        }

        private void AgendaItem_Tapped(object sender, ItemSelectionChangedEventArgs e)
        {

            if (e.AddedItems.FirstOrDefault() is CoreTreeNode node)
            {

                var itemview = new MeetingEditItemView()
                {
                    ViewModel = new MeetingItemEditViewModel()
                    {
                        Item = ViewModel.Items.FirstOrDefault(x => x.ID == node.ID)
                    }
                };
                Navigation.PushAsync(itemview);
                _agenda.SelectedItem = null;
            }

        }
        
    }
}