namespace OINA.Extender.WPF.Testharness
{
    using System;
    using System.Globalization;
    using System.Windows.Data;

    /// <summary>
    /// DataConvert class
    /// </summary>
    public class DataConverter : IValueConverter
    {
        /// <summary>
        /// add unit to deadtime
        /// </summary>
        /// <param name="value">source value</param>
        /// <param name="targetType">target type</param>
        /// <param name="parameter">parameter</param>
        /// <param name="culture">culture info</param>
        /// <returns>converted value</returns>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            switch (parameter as string)
            {
                case "outputRateUnit":
                    int outputRate = (int)value;
                    return outputRate.ToString(CultureInfo.InvariantCulture) + @"cps";
                case "deadTimeUnit":
                    double deadTime = (double)value;
                    return deadTime.ToString(CultureInfo.InvariantCulture) + @"%";
                default:
                    throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, @"Invalid argument {0}", parameter));
            }           
        }

        /// <summary>
        /// remove unit from OutputRate 
        /// </summary>
        /// <param name="value">source value</param>
        /// <param name="targetType">target type</param>
        /// <param name="parameter">parameter</param>
        /// <param name="culture">culture info</param>
        /// <returns>converted value</returns>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException();
        }
    }
}