using InABox.Core;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Syncfusion.Windows.Tools.Controls;

namespace InABox.DynamicGrid
{

    public interface IDynamicItemsListGrid : IDynamicGrid
    {
        IEnumerable<object> Items { get; set; }
    }
    
    public class DynamicItemsListGrid<T> : DynamicGrid<T>, IDynamicItemsListGrid
        where T : BaseObject, new()
    {
        
        private List<T> _items = new List<T>();

        public List<T> Items 
        { 
            get => _items; 
            set => _items = value; 
        }

        IEnumerable<object> IDynamicItemsListGrid.Items
        {
            get => _items.Cast<object>(); 
            set => _items = value.OfType<T>().ToList();
        }

        protected override void Init()
        {
        }

        protected override void DoReconfigure(FluentList<DynamicGridOption> options)
        {
        }

        protected override void DeleteItems(params CoreRow[] rows)
        {
            foreach (var row in rows.OrderByDescending(x => x.Index))
            {
                Items.RemoveAt(_recordmap[row].Index);
            }
        }

        protected override T LoadItem(CoreRow row)
        {
            return Items[_recordmap[row].Index];
        }

        protected override void Reload(Filters<T> criteria, Columns<T> columns, ref SortOrder<T>? sort, Action<CoreTable?, Exception?> action)
        {
            var result = new CoreTable();
            result.LoadColumns(typeof(T));
            
            result.LoadRows(Items);
            action.Invoke(result, null);
        }

        public override void SaveItem(T item)
        {
            if (!Items.Contains(item))
            {
                Items.Add(item);
            }
        }

    }

}