using DTS.Common.Strings;
using System;
using System.Windows.Data;

namespace HardwareList.Converters
{
    /// <summary>
    /// provides first use date if available, N/A if not applicable, or --- if not defined
    /// </summary>
    public class FirstUseDateConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (!(value is HardareList.Model.HardwareModel model))
            {
                return Strings.Table_NA;
            }
            if (!model.IsFirstUseValid)
            {
                return Strings.NotApplicable;
            }
            if (null != model.FirstUseDate) { return model.FirstUseDate; }
            return Strings.Table_NA;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value is DateTime dt) { return dt; }
            return Strings.Table_NA;
        }
    }
}