ДЗ: База данных игроков

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Reflection;

internal class Program
{
    static void Main(string[] args)
    {
        const string CommandAddPlayer = "1";
        const string CommandBanPlayerById = "2";
        const string CommandUnbanPlayerById = "3";
        const string CommandDeletePlayerById = "4";
        const string CommandExit = "Exit";

        bool isRun = true;

        DataBase dataBase = new DataBase();

        while (isRun)
        {
            Console.Clear();
            dataBase.ShowInfo();

            Console.WriteLine($"{CommandAddPlayer} - Добавить игрока.\n" +
                $"{CommandBanPlayerById} - Заблокировать игрока по ID.\n" +
                $"{CommandUnbanPlayerById} - Разблокировать игрока по ID.\n" +
                $"{CommandDeletePlayerById} - Удалить игрока по ID.\n" +
                $"{CommandExit} - Завершить программу.");

            switch (Console.ReadLine())
            {
                case CommandAddPlayer:
                    dataBase.AddPlayer();
                    break;

                case CommandBanPlayerById:
                    dataBase.BanPlayer();
                    break;

                case CommandUnbanPlayerById:
                    dataBase.UnbanPlayer();
                    break;

                case CommandDeletePlayerById:
                    dataBase.DeletePlayer();
                    break;

                case CommandExit:
                    isRun = false;
                    break;

                default:
                    Console.WriteLine("Ошибка ввода.");
                    break;
            }

            Console.ReadKey();
        }

        Console.WriteLine("Программа завершена.");
        Console.ReadKey();
    }
}

class Player
{
    static private int _identifications;
    private bool _isBaned;

    public Player(string name)
    {
        Name = name;
        Level = 1;
        Identification = ++_identifications;
        _isBaned = false;
    }

    public string Name { get; private set; }
    public int Level { get; private set; }
    public int Identification { get; private set; }

    public void Block()
    {
        _isBaned = true;
    }

    public void Unblock()
    {
        _isBaned = false;
    }

    public void ShowInfo()
    {
        Console.WriteLine($"{Identification}. Игрок: {Name}, уровень - {Level}. " + (_isBaned ? "Заблокирован." : "Активен."));
    }
}

class DataBase
{
    private List<Player> _players;

    public DataBase()
    {
        _players = new List<Player>();
    }

    public void ShowInfo()
    {
        if (_players.Count > 0)
        {
            foreach (Player player in _players)
            {
                player.ShowInfo();
            }
        }
        else
        {
            Console.WriteLine("Нет игроков в базе.");
        }

        Console.WriteLine(new String('-', 35));
    }

    public void AddPlayer()
    {
        Console.Write("Введи имя игрока: ");
        string name = Console.ReadLine();

        _players.Add(new Player(name));

        Console.WriteLine("Игрок добален.");
    }

    public void BanPlayer()
    {
        if(TryGetPlayer(out Player player))
        {
            player.Block();
        }
    }

    public void UnbanPlayer()
    {
        if (TryGetPlayer(out Player player))
        {
            player.Unblock();
        }
    }

    public void DeletePlayer()
    {
        if(TryGetPlayer(out Player player))
        {
            _players.Remove(player);
        }
    }

    private bool TryGetPlayer(out Player foundPlayer)
    {
        Console.Write("Введите номер игрока: ");
        int id = ReadInt(Console.ReadLine());

        foreach (Player player in _players)
        {

            if (player.Identification == id)
            {
                foundPlayer = player;
                return true;
            }
        }

        Console.WriteLine("Нет игрока с таким номером.");
        foundPlayer = null;

        return false;
    }

    private int ReadInt(string input)
    {
        int result;

        int.TryParse(input, out result);
        return result;
    }
}