using System.Text.RegularExpressions;

namespace AdventOfCode.Solutions._2023
{
    public class Day02Part2 : Answerable
    {
        public override int Year { get; set; } = 2023;
        public override int Day { get; set; } = 2;
        public override int Part { get; set; } = 2;

        public override string GetAnswer(byte[] data)
        {
            return GetAsStringArray(data)
                .Select(GetValueFromLine)
                .Sum()
                .ToString();
        }

        private int GetValueFromLine(string line)
        {
            // get all the numers
            string dicePulls = line.Split(':')[1];

            // parse the pulls
            MatchCollection dice = Regex.Matches(dicePulls, "(\\d+) (g|r|b)");
            int red = 0, green = 0, blue = 0;
            foreach (Match match in dice)
            {
                string[] splitted = match.Value.Split(' ');
                int ammount = int.Parse(splitted[0]);

                if (splitted[1] == "r" && ammount > red) { red = ammount; }
                else if (splitted[1] == "g" && ammount > green) { green = ammount; }
                else if (splitted[1] == "b" && ammount > blue) { blue = ammount; }
            }


            return red * green * blue;
        }
    }
}