using Comal.Classes;
using InABox.DynamicGrid;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PRSDesktop.Grids
{
    public class OvertimeIntervalGrid : DynamicOneToManyGrid<Overtime, OvertimeInterval>
    {
        protected override void Init()
        {
            base.Init();

            HiddenColumns.Add(x => x.IntervalType);
        }

        protected override void DoReconfigureEditors(DynamicEditorGrid grid, OvertimeInterval[] items)
        {
            base.DoReconfigureEditors(grid, items);

            var intervalEditor = grid.FindEditor(nameof(OvertimeInterval.Interval));
            intervalEditor?.SetEnabled(!items.Any(x => x.IntervalType == OvertimeIntervalType.RemainingTime));
        }

        // EditorPage BeforeSave
        public override void BeforeSave(object item)
        {
            base.BeforeSave(item);

            if (Items.Count == 0)
            {
                throw new Exception("There must be at least one overtime interval.");
            }
            else if (Items.SkipLast(1).Any(x => x.IntervalType == OvertimeIntervalType.RemainingTime))
            {
                throw new Exception($"Only the last interval may have [IntervalType] = '{OvertimeIntervalType.RemainingTime}'");
            }
            else if (Items.Last().IntervalType != OvertimeIntervalType.RemainingTime)
            {
                throw new Exception($"The last overtime interval must have [IntervalType] = '{OvertimeIntervalType.RemainingTime}'");
            }
        }
    }
}