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

namespace PRSDesktop
{
    public class DynamicCheckColumn<T> : DynamicImageColumn
    {
        private readonly BitmapImage Disabled = Resources.tick.AsGrayScale().AsBitmapImage();
        private readonly BitmapImage Enabled = Resources.tick.AsBitmapImage();

        private readonly BitmapImage Header;
        private readonly Expression<Func<T, bool>> Property;

        public DynamicCheckColumn(BitmapImage header, Expression<Func<T, bool>> property) : base(r => null)
        {
            Header = header;
            Property = property;
            Image = GetImage;
            Action = null;
        }

        private BitmapImage GetImage(CoreRow row)
        {
            if (row == null)
                return Header;
            var Checked = row.Get(Property).Equals(true);
            return Checked ? Enabled : Disabled;
        }
    }
}