using System;
using System.Text;

namespace Sony.Filtr.Utility.Extensions
{
    [Flags]
    public enum ExceptionData
    { 
        Message = 1,
        StackTrace = 2,
        All = Message | StackTrace
    }

    public static class ExceptionExtensions
    {
        public static string GetFullMessage(this Exception ex, ExceptionData dataToShow = ExceptionData.All)
        {
            StringBuilder builder = new StringBuilder();

            Exception current = ex;

            while (current != null)
            {
                if ((dataToShow & ExceptionData.Message) == ExceptionData.Message)
                {
                    builder.AppendLine(current.Message);
                }

                if ((dataToShow & ExceptionData.StackTrace) == ExceptionData.StackTrace)
                {
                    builder.AppendLine(current.StackTrace);
                }

                current = current.InnerException;
            }

            return builder.ToString();
        }

        public static string GetFullMessage(this AggregateException ex, ExceptionData dataToShow = ExceptionData.All)
        {
            StringBuilder builder = new StringBuilder();

            foreach (var e in ex.InnerExceptions)
            {
                builder.AppendLine(e.GetFullMessage());
            }

            return builder.ToString();
        }
    }
}