using System;
using System.Globalization;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Flexitime.Objects;

namespace FlexitimeTaskbarUtility.Converters
{
    public class UserStatusToImageSourceConverter:IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value.GetType() != typeof(UserState))
            {
                throw new ArgumentException(nameof(value));
            }

            var userState = (UserState) value;
            string basePath = string.Intern("pack://application:,,,/FlexitimeTaskbarUtility;component/Images/");
            string imageName;
            switch (userState)
            {
                case UserState.Unknown:
                    imageName = "Clock_LoggedOut.ico";
                    break;
                case UserState.In:
                    imageName = "Clock_In.ico";
                    break;
                case UserState.Out:
                    imageName = "Clock_Out.ico";
                    break;
                case UserState.OutOfOffice:
                    imageName = "Clock_OutOfOffice.ico";
                    break;
                case UserState.Remote:
                    imageName = "Clock_Remote.ico";
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }

            ImageSource ret = new BitmapImage(new Uri($"{basePath}{imageName}"));
            return ret;
        }

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