using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System;

namespace _18._02
{
	public class PhoneEventArgs : EventArgs
    {
        public int CallerNumber { get; }
        public PhoneEventArgs(int callernumber)
        {
            CallerNumber = callernumber;
        }
    }
    public class Phone
    {
        List<int> book = new List<int>();
        public event EventHandler<PhoneEventArgs> OnCall;

        public int Number { get; }

        public Phone(int number)
        {
            Number = number;
            book.Add(number);
        }

        public void AddPhoneToBook(Phone phone)
        {
            if (phone.Number == this.Number)
            {
                Console.WriteLine($"Номер {Number} совпадает с номером телефона");
            }
            else
            {
                if (book.Contains(phone.Number))
                {
                    Console.WriteLine($"Номер {Number} уже есть в записной книжке");
                }
                else
                {
                    book.Add(phone.Number);
                }
            }
        }

        public bool Call(int number)
        {
            if (book.Contains(number))
            {
                this.OnCall?.Invoke(this, new PhoneEventArgs(number));
                return true;
            }
            return false;
        }

    }
    class Program
    {
        public static Random rnd = new Random();
        static void Main(string[] args)
        {
            ConsoleKeyInfo keytoexit;
            do
            {
                Phone[] array = new Phone[100];
                for (int i = 0; i < array.Length; i++)
                {
                    array[i] = new Phone(rnd.Next(100, 400));
                    array[i].OnCall += (object sender, PhoneEventArgs phone) =>
                    {
                        Phone caller = sender as Phone;
                        Console.WriteLine($"На телефон {phone.CallerNumber} " +
                            $"был совершен звонок с телефона {caller.Number}");

                    };
                }

                for (int i = 0; i < array.Length; i++)
                {
                    array[i].AddPhoneToBook(new Phone(rnd.Next(100, 400)));
                    array[i].Call(rnd.Next(100, 400));
                }

                Console.WriteLine("Для выхода нажмите Escape...");
                keytoexit = Console.ReadKey(true);

            } while (keytoexit.Key!= ConsoleKey.Escape);
        }
    }
}