AdventOfCode2022/Handlers/Day01.cs

namespace AdventOfCode2022.Handlers
{
    public class Day01
    {
        string[] elves;
        IEnumerable<int> caloriesPerElf;

        public Day01()
        {
            var lines = System.IO.File.ReadAllText(@"./days/01/input");
            elves = lines.Split("\n\n");
            caloriesPerElf = elves.Select(ParseCalories);
        }

        private int ParseCalories(string elf)
        {
            return elf.Split("\n")
                .Where(calorie => !string.IsNullOrWhiteSpace(calorie))
                .Select(int.Parse)
                .Sum();
        }


        public void PartA()
        {
            var max = caloriesPerElf.Max();
            Console.WriteLine($"Highest calories: {max}");
        }

        public void PartB()
        {
            var topThree = caloriesPerElf.OrderByDescending(calories => calories).Take(3).Sum();
            Console.WriteLine($"Top three calories: {topThree}");
        }
    }
}