using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using Sony.ChartBot.Entities.MessengerApi;

namespace Sony.ChartBot.Messages.Helpers
{
    public class CourtesyInputHelper
    {
        private static readonly IEnumerable<string> CourtesyWords = new[]
        {
            "hi",
            "hello",
            "bye",
            "goodbye",
            "thanks",
            "thank you",
            "great",
            "ok"
        };

        public bool IsCourtesyInput(MessagingData data)
        {
            var cleanedInput = Regex.Replace(data.message.text, @"\W+", string.Empty);

            return CourtesyWords.Contains(cleanedInput.ToLowerInvariant());
        }

    }
}