using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace Tango.MachineStudio.Statistics.Converters
{
    public class CollectionConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if(value != null && value is System.Collections.IEnumerable)
            {
                var colection = value as System.Collections.IEnumerable;
                var text = new StringBuilder();
                foreach(var val in colection)
                {
                    string visibleText = val.ToString();
                    if(val is bool && parameter is string)
                    {
                        string[] tokens = (parameter as string).Split(',');
                        if(tokens.Count() > 1)
                        {
                            visibleText = (bool)val == true ? tokens[1] : tokens[0];
                        }
                    }
                    text.Append(visibleText);
                    text.Append("/");
                }
                string str_text = text.ToString();
                if(str_text.Length > 1)
                {
                    str_text = str_text.Remove(str_text.Length - 1);
                }
                return str_text;
            }
            return "";
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}