using System;
using System.Linq;
using System.Windows.Media.Imaging;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;

namespace PRSDesktop
{
    internal class RequisitionItemHoldingGrid : DynamicGrid<RequisitionItem>
    {
        public RequisitionItemHoldingGrid()
        {
            Options.Clear();
            HiddenColumns.Add(x => x.ID);
            HiddenColumns.Add(x => x.Holding.ID);
            HiddenColumns.Add(x => x.Style.ID);
            ActionColumns.Add(new DynamicActionColumn(HoldingImage, HoldingClick) { AllowHeaderClick = false });
        }

        private BitmapImage HoldingImage(CoreRow arg)
        {
            return PRSDesktop.Resources.rightarrow.AsBitmapImage();
        }

        private bool HoldingClick(CoreRow arg)
        {
            var dlg = new MultiSelectDialog<StockHolding>(
                new Filter<StockHolding>(x => x.Product.ID).IsEqualTo(arg.Get<RequisitionItem, Guid>(c => c.Product.ID)).And(x => x.Location.Active)
                    .IsEqualTo(true),
                new Columns<StockHolding>(x => x.ID, x => x.Location.Area.Warehouse.Code, x => x.Location.Area.Code, x => x.Location.Code,
                    x => x.Location.Description, x => x.Units, x => x.Style.ID),
                false
            );

            if (dlg.ShowDialog())
            {
                var holding = dlg.Items().FirstOrDefault();
                UpdateRow<RequisitionItem, Guid>(arg, x => x.Holding.ID, holding.ID, false);
                UpdateRow<RequisitionItem, string>(arg, x => x.Holding.Location.Code, holding.Location.Code, false);
                UpdateRow<RequisitionItem, Guid>(arg, x => x.Holding.Style.ID, holding.Style.ID, false);
                UpdateRow<RequisitionItem, string>(arg, x => x.Holding.Style.Description, holding.Style.Description);
                return true;
            }

            return false;
        }

        public override void ConfigureColumns(DynamicGridColumns columns)
        {
            base.ConfigureColumns(columns);
        }

        protected override void DeleteItems(params CoreRow[] rows)
        {
            throw new NotImplementedException();
        }

        protected override DynamicGridColumns LoadColumns()
        {
            var result = new DynamicGridColumns();
            result.Add<RequisitionItem, string>(x => x.Product.Code, 200, "Code", "", Alignment.MiddleLeft);
            result.Add<RequisitionItem, string>(x => x.Product.Name, 0, "Description", "", Alignment.MiddleLeft);
            result.Add<RequisitionItem, string>(x => x.Style.Description, 0, "Style", "", Alignment.MiddleLeft);
            result.Add<RequisitionItem, double>(x => x.Quantity, 100, "Quantity", "", Alignment.MiddleCenter);
            result.Add<RequisitionItem, string>(x => x.Holding.Location.Code, 0, "Location", "", Alignment.MiddleLeft);
            return result;
        }

        protected override RequisitionItem LoadItem(CoreRow row)
        {
            return row.ToObject<RequisitionItem>();
        }

        protected override void Reload(Filters<RequisitionItem> criteria, Columns<RequisitionItem> columns, ref SortOrder<RequisitionItem> sort,
            Action<CoreTable, Exception> action)
        {
            action?.Invoke(MasterData, null);
        }

        protected override void SaveItem(RequisitionItem item)
        {
        }
    }
}