using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;

namespace Kalender
{
    internal class day11
    {
        static string file = "../../../files/day11.txt";
        static string[] input = File.ReadAllLines(file);

        static List<Monkey> monkeyList;
        public static void part1()
        {
            List<int> counterlist = new List<int>();
            int index = 0;
            monkeyList = new List<Monkey>();
            while (index < input.Length)
            {
                var items = input[index +1].Substring(17).Split(',');
                var op = input[index + 2][23];
                var operationNumber = input[index + 2].Substring(25);
                var divisionNumber = int.Parse(input[index + 3].Substring(20));
                var trueCase = int.Parse(input[index + 4].Substring(input[4].Length - 2));
                var falseCase = int.Parse(input[index + 5].Substring(input[5].Length - 2));

                Monkey monkey = new Monkey(items,op,operationNumber,divisionNumber,trueCase,falseCase);
                monkeyList.Add(monkey);
                
                index += 7;
            }

            for (int i = 1; i <= 20; i++)
            {
                Console.WriteLine($"Round {i}");
                foreach (Monkey monkey in monkeyList)
                {
                    monkey.test(monkeyList);
                }
                foreach (Monkey monkey in monkeyList)
                {
                    //Console.WriteLine(String.Join(",", monkey.startItems) + $" Counter: {monkey.counter}");
                }
                
            }
            foreach (Monkey monkey in monkeyList)
            {
                Console.WriteLine($" Counter: {monkey.counter}");
                counterlist.Add(monkey.counter);
            }
            counterlist.Sort();
            counterlist.Reverse();


            Console.WriteLine($"Part 1: {counterlist[0] * counterlist[1]}");



            //Console.WriteLine($"op: {monkey.op}, opnumber: {monkey.operationNumber}, divisibleNumber: {monkey.divisiblNumber}, true:{monkey.trueCase}, false: {monkey.falseCase}");




        }
    }
    class Monkey
    {
        public List<int> startItems; 
        public char op;
        public string operationNumber;
        public int divisiblNumber;
        public int trueCase;
        public int falseCase;
        public int counter = 0;

        public Monkey(string[] items, char op, string operationNumber, int divisiblNumber, int trueCase, int falseCase)
        {
            startItems = new List<int>();
            this.op = op;
            this.operationNumber = operationNumber;
            this.divisiblNumber = divisiblNumber;
            this.trueCase = trueCase;
            this.falseCase = falseCase;

            foreach (var item in items)
            {
                startItems.Add(int.Parse(item));
            }
            
        }

        public void test(List<Monkey> monkeyList)
        {
            
            while(startItems.Count > 0)
            {
                int number = startItems[0];
                int opNumb = 0;
                if(operationNumber == "old")
                {
                    opNumb = number;
                }
                else
                {
                    opNumb = int.Parse(operationNumber);
                }
                int newNumber = 0;
                switch (op)
                {
                    case '*':
                        newNumber = number * opNumb;
                        break;
                    case '+':
                        newNumber = number + opNumb;
                        break;
                }
                newNumber = newNumber / 3;
                if(newNumber % divisiblNumber == 0)
                {
                    monkeyList[trueCase].startItems.Add(newNumber);
                    startItems.Remove(number);
                }
                else
                {
                    monkeyList[falseCase].startItems.Add(newNumber);
                    startItems.Remove(number);
                }
                counter++;
            }
        }
    }
}