using System;
using System.Collections.Generic;
using System.Linq;

namespace Bulls_and_Cows_12._08._19
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Please enter your number: ");

            int enterNum = int.Parse(Console.ReadLine());
            List<int> myNum = new List<int>();
            while (enterNum > 0)
            {
                myNum.Add(enterNum % 10);
                enterNum /= 10;
            }
            myNum.Reverse();

            var compNum = new List<int>(4);
            var cowList = new List<int>(4);
            var bullList = new List<int>(4);

            Random compRndNum = new Random();

            compNum.Add(compRndNum.Next(0, 10));
            compNum.Add(compRndNum.Next(0, 10));
            compNum.Add(compRndNum.Next(0, 10));
            compNum.Add(compRndNum.Next(0, 10));

            int cowCount = 0;

            while (cowList.Count < 4)
            {
                while ((compNum[0] == 0) || (compNum[0] == compNum[1] || compNum[0] == compNum[2] || compNum[0] == compNum[3] ||
                              compNum[1] == compNum[0] || compNum[1] == compNum[2] || compNum[1] == compNum[3] ||
                              compNum[2] == compNum[0] || compNum[2] == compNum[1] || compNum[2] == compNum[3] ||
                              compNum[3] == compNum[0] || compNum[3] == compNum[1] || compNum[3] == compNum[2]))
                {
                    if (compNum[0] == 0)
                    {
                        Console.WriteLine($"Number is: {string.Join("", compNum)}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine("ERROR - There is number start with zero");
                        System.Threading.Thread.Sleep(1200);
                        compNum.Clear();
                        Console.WriteLine("Pick new number");
                        System.Threading.Thread.Sleep(1200);
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                    }
                    if (compNum[0] == compNum[1] || compNum[0] == compNum[2] || compNum[0] == compNum[3] ||
                               compNum[1] == compNum[0] || compNum[1] == compNum[2] || compNum[1] == compNum[3] ||
                               compNum[2] == compNum[0] || compNum[2] == compNum[1] || compNum[2] == compNum[3] ||
                               compNum[3] == compNum[0] || compNum[3] == compNum[1] || compNum[3] == compNum[2])
                    {
                        Console.WriteLine($"Number is: {string.Join("", compNum)}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine("ERROR - There is two equal numbers");
                        System.Threading.Thread.Sleep(1200);
                        compNum.Clear();
                        Console.WriteLine("Pick new number");
                        System.Threading.Thread.Sleep(1200);
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                        compNum.Add(compRndNum.Next(0, 10));
                    }
                }
                if (myNum.Contains(compNum[0]) && (!cowList.Contains(compNum[0])))
                {
                    cowCount++;
                    Console.WriteLine($"Number is: {string.Join("", compNum)}");
                    System.Threading.Thread.Sleep(1000);
                    Console.WriteLine($"I found cow, its number: {compNum[0]}.");
                    System.Threading.Thread.Sleep(1000);
                    cowList.Add(compNum[0]);

                }
                if (myNum.Contains(compNum[1]) && (!cowList.Contains(compNum[1])))
                {
                    cowCount++;
                    Console.WriteLine($"Number is: {string.Join("", compNum)}");
                    System.Threading.Thread.Sleep(1000);
                    Console.WriteLine($"I found cow, its number: {compNum[1]}.");
                    System.Threading.Thread.Sleep(1000);
                    cowList.Add(compNum[1]);
                }
                if (myNum.Contains(compNum[2]) && (!cowList.Contains(compNum[2])))
                {
                    cowCount++;
                    Console.WriteLine($"Number is: {string.Join("", compNum)}");
                    System.Threading.Thread.Sleep(1000);
                    Console.WriteLine($"I found cow, its number: {compNum[2]}.");
                    System.Threading.Thread.Sleep(1000);
                    cowList.Add(compNum[2]);
                }
                if (myNum.Contains(compNum[3]) && (!cowList.Contains(compNum[3])))
                {
                    cowCount++;
                    Console.WriteLine($"Number is: {string.Join("", compNum)}");
                    System.Threading.Thread.Sleep(1000);
                    Console.WriteLine($"I found cow, its number: {compNum[3]}.");
                    System.Threading.Thread.Sleep(1000);
                    cowList.Add(compNum[3]);
                }
                compNum.Clear();
                compNum.Add(compRndNum.Next(0, 10));
                compNum.Add(compRndNum.Next(0, 10));
                compNum.Add(compRndNum.Next(0, 10));
                compNum.Add(compRndNum.Next(0, 10));
            }
            Console.WriteLine($"All the cows are: {string.Join("", cowList)}");
            System.Threading.Thread.Sleep(1200);
            if (cowList.Count == 4)
            {
                Console.WriteLine("");
                Console.WriteLine("Start serching for bulls !!!");
                System.Threading.Thread.Sleep(1200);

                for (int i = 0; i < myNum.Count; i++)
                {
                    if (cowList[i] == myNum[0])
                    {
                        Console.WriteLine($"Current number is: {cowList[i]}");
                        System.Threading.Thread.Sleep(1200);
                        var rightPosition = myNum.IndexOf(myNum[0]);
                        Console.WriteLine($"Rigth position is: {myNum.IndexOf(myNum[0])}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine($"I will insert {cowList[i]} at {myNum.IndexOf(myNum[0])} position.");
                        System.Threading.Thread.Sleep(1200);
                        bullList.Insert(rightPosition, cowList[i]);
                    }

                }
                for (int i = 0; i < myNum.Count; i++)
                {
                    if (cowList[i] == myNum[1])
                    {
                        Console.WriteLine($"Current number is: {cowList[i]}");
                        System.Threading.Thread.Sleep(1200);
                        var rightPosition = myNum.IndexOf(myNum[1]);
                        Console.WriteLine($"Rigth position is: {myNum.IndexOf(myNum[1])}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine($"I will insert {cowList[i]} at {myNum.IndexOf(myNum[1])} position.");
                        System.Threading.Thread.Sleep(1200);
                        bullList.Insert(rightPosition, cowList[i]);
                    }

                }
                for (int i = 0; i < myNum.Count; i++)
                {
                    if (cowList[i] == myNum[2])
                    {
                        Console.WriteLine($"Current number is: {cowList[i]}");
                        System.Threading.Thread.Sleep(1200);
                        var rightPosition = myNum.IndexOf(myNum[2]);
                        Console.WriteLine($"Rigth position is: {myNum.IndexOf(myNum[2])}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine($"I will insert {cowList[i]} at {myNum.IndexOf(myNum[2])} position.");
                        System.Threading.Thread.Sleep(1200);
                        bullList.Insert(rightPosition, cowList[i]);
                    }

                }
                for (int i = 0; i < myNum.Count; i++)
                {
                    if (cowList[i] == myNum[3])
                    {
                        Console.WriteLine($"Current number is: {cowList[i]}");
                        System.Threading.Thread.Sleep(1200);
                        var rightPosition = myNum.IndexOf(myNum[3]);
                        Console.WriteLine($"Rigth position is: {myNum.IndexOf(myNum[3])}");
                        System.Threading.Thread.Sleep(1200);
                        Console.WriteLine($"I will insert {cowList[i]} at {myNum.IndexOf(myNum[3])} position.");
                        System.Threading.Thread.Sleep(1200);
                        bullList.Insert(rightPosition, cowList[i]);
                    }

                }
            }
            Console.WriteLine($"I Guess !!!\nYour umber is: {string.Join("", bullList)} !!!");
        }

    }
}