day10.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
namespace AdventOfCode_Day10
{
    class Program
    {
        const int BOTCOUNT = 300;
        public class Bot
        {
             public int Low { get; set; }
             public int High { get; set; }
            public Bot(int low, int high)
            {
                Low = low; High = high;
            }
        }
        static List<string> StringSetup(string input)
        {
            List<string> CommandList = new List<string>();
            string[] Commands = input.Split('\n');
            for (int i = 0; i < Commands.Length; i++)
            {
                Commands[i] = Commands[i].Replace("\r", String.Empty);
                CommandList.Add(Commands[i]);
            }

            return CommandList;
        }
        static void GiveValueToBot(string command, List<Bot> botList)
        {
            int start = command.IndexOf("value ") + "value ".Length;
            int to = command.IndexOf(" goes") - " goes".Length;
            int valueToGive = Int32.Parse(command.Substring(start, to ));
            start = command.IndexOf("bot ") + "bot ".Length;
            int botToGiveTo = Int32.Parse(command.Substring(start));
            int currentLow = botList[botToGiveTo].Low;
            int currentHigh = botList[botToGiveTo].High;
            if (valueToGive < currentHigh)
                botList[botToGiveTo].Low = valueToGive;
            else
                botList[botToGiveTo].High = valueToGive;
        }
        static void MoveValues(string command, List<Bot> botList, int[] outputs)
        {
            int start = command.IndexOf("bot ") + "bot ".Length;
            int to = command.IndexOf(" ");
            int botGivingID = Int32.Parse(command.Substring(start, to-1));

            start = command.IndexOf("to ") + "to ".Length;
            to = command.IndexOf(" and") - " and".Length;
            string lowValTo = command.Substring(start, to);

            string firstWord = lowValTo.Substring(0, lowValTo.IndexOf(" and"));
            switch(firstWord)
            {
                case "bot":
                    {
                        lowValTo = lowValTo.Replace(firstWord,String.Empty);
                        int botGettingID = Int32.Parse(lowValTo);

                        int currentLow = botList[botGettingID].Low;
                        int currentHigh = botList[botGettingID].High;
                        if (botList[botGivingID].Low < currentHigh)
                            botList[botGettingID].Low = botList[botGivingID].Low;
                        else
                            botList[botGettingID].High = botList[botGivingID].Low;

                    }
                    break;
                case "output":
                    {
                        lowValTo = lowValTo.Replace(firstWord, String.Empty);
                        int outputID = Int32.Parse(lowValTo);
                        outputs[outputID] = botList[botGivingID].Low;
                    }
                    break;
                default: { } break;
            }
            start = command.LastIndexOf("high to ") + "high to ".Length;
            string highValTo = command.Substring(start);
            firstWord = highValTo.Substring(0, highValTo.IndexOf(" "));
            switch (firstWord)
            {
                case "bot":
                    {
                        highValTo = highValTo.Replace(firstWord, String.Empty);
                        int botGettingID = Int32.Parse(highValTo);

                        int currentLow = botList[botGettingID].Low;
                        int currentHigh = botList[botGettingID].High;
                        if (botList[botGivingID].High < currentHigh)
                            botList[botGettingID].Low = botList[botGivingID].High;
                        else
                            botList[botGettingID].High = botList[botGivingID].High;

                    }
                    break;
                case "output":
                    {
                        highValTo = highValTo.Replace(firstWord, String.Empty);
                        int outputID = Int32.Parse(highValTo);
                        outputs[outputID] = botList[botGivingID].High;
                    }
                    break;
                default: { } break;
            }

        }
        static void TraverseCommands(List<string> commandList, List<Bot> botList, int[] outputs)
        {
            string firstWord = null;
            for (int i = 0; i < commandList.Count; i++)
            {
                if(commandList[i].Contains("value"))
                {
                    Console.Write("\n\tVALUE COMMAND");
                    GiveValueToBot(commandList[i], botList);
                    commandList.Remove(commandList[i]);
                }
            }
               
            foreach (string command in commandList)
            {
                firstWord = command.Substring(0, command.IndexOf(" "));
                switch (firstWord)
                {
                    case "bot":
                        Console.Write("\n\tBOT COMMAND");
                        MoveValues(command, botList, outputs);
                        break;
                    default: { } break;

                }
            }


        }
        static int FindBot(int low, int high, List<Bot> botList)
        {
            for(int i =0;i<botList.Count;i++)
            {
                if (botList[i].Low == low)
                    if (botList[i].High == high)
                        return i;
            }
            return 0;
        }
        static void Main(string[] args)
        {
            
            String input = File.ReadAllText("../../input.txt");
            
            List<string> Commands = StringSetup(input);
            int[] outputs = new int[30];
            List<Bot> BotList = new List<Bot>();
            Bot newBot = new Bot(0,0);
            for (int i = 0; i < BOTCOUNT; i++)
                BotList.Add(new Bot(0,0));

            TraverseCommands(Commands, BotList, outputs);
            int botToLookForID =  FindBot(17, 61, BotList);

            Console.Write("Bot ID: " + botToLookForID);
            Console.Read();
        }
    }
}