AdventOfCode/AdventOfCode2020/Program.cs

using System;
using System.IO;

namespace AdventOfCode2020
{
    class Program
    {
        static void Main(string[] args)
        {
            int currentDayNumber = 0;

            DateTime date = DateTime.UtcNow.AddHours(-5);
            if (date.Month == 12 && currentDayNumber == 0)
            {
                currentDayNumber = date.Day;
            }

            RunDay(currentDayNumber);

            Console.Read();
        }

        public static void RunDay(int currentDayNumber)
        {
            Console.WriteLine(string.Format("Day {0:00}", currentDayNumber));
            Console.WriteLine("------");
            Console.WriteLine();

            IDay currentDay = null;
            Type dayType = Type.GetType(string.Format("AdventOfCode2020.Day{0:00}", currentDayNumber));
            if (dayType != null)
            {
                currentDay = Activator.CreateInstance(dayType) as IDay;
            }
            if (currentDay == null)
            {
                Console.WriteLine("!!!!!!!");
                Console.WriteLine("Day implementation not found.");
                return;
            }

            string[] linesDay = File.ReadAllLines(string.Format("inputs/Day{0:00}.txt", currentDayNumber));
            try
            {
                string resultPart1 = currentDay.ResolvePart1(linesDay);
                Console.WriteLine("Day{1:00} Result Part1: {0}", resultPart1, currentDayNumber);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
            }
            try
            {
                string resultPart2 = currentDay.ResolvePart2(linesDay);
                Console.WriteLine("Day{1:00} Result Part2: {0}", resultPart2, currentDayNumber);
            }
            catch (Exception ex)
            {
                Console.WriteLine("!!!!!!!");
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
            }
        }
    }
}