using System.Text;

namespace AdventOfCodeLibrary.Shared
{
    using System.Text.RegularExpressions;

    public abstract class Answerable
    {
        public abstract int Year { get; set; }

        public abstract int Day { get; set; }

        public abstract int Part { get; set; }

        public string DefaultInputFile => $"../../../../Advent Of Code Library/{Year}/Day {Day:00}/day-{Day:00}-input.txt";

        protected static string NewLine => "\n";

        public abstract string GetAnswer(byte[] data);

        internal static string GetAsString(byte[] bytes) => Encoding.UTF8.GetString(bytes);

        internal static string[] GetAsStringArray(byte[] bytes) => Encoding.UTF8.GetString(bytes).Split(NewLine).Select(StripControlChars).ToArray();

        private static string StripControlChars(string s)
        {
            return Regex.Replace(s, @"[^\x20-\x7F]", "");
        }
    }
}