HW41

using System;
using System.Collections.Generic;

namespace HW41
{
    class Program
    {
        static void Main(string[] args)
        {
            const string CommandAdd = "1";
            const string CommandBan = "2";
            const string CommandUnban = "3";
            const string CommandDeletePlayer = "4";
            const string CommandShowAllPlayers = "5";
            const string Exit = "6";

            string userChoice;
            bool isWorking = true;

            Database database = new Database();

            while (isWorking == true)
            {
                Console.WriteLine($"{CommandAdd} - добавить игрока" +
                                  $"\n{CommandBan} - бан игрока по уникальному номеру" +
                                  $"\n{CommandUnban} - разбанить игрока по уникальному номеру" +
                                  $"\n{CommandDeletePlayer} - удалить игрока по уникальному номеру " +
                                  $"\n{CommandShowAllPlayers} - показать всех игроков" +
                                  $"\n{Exit} - выход");
                userChoice = Console.ReadLine();

                switch (userChoice)
                {
                    case CommandAdd:
                        database.AddPlayer();
                        break;

                    case CommandBan:
                        database.BanPlayer();
                        break;

                    case CommandUnban:
                        database.UnbanPlayer();
                        break;

                    case CommandDeletePlayer:
                        database.DeletePlayer();
                        break;

                    case CommandShowAllPlayers:
                        Console.Clear();
                        database.ShowAllPlayers();
                        break;

                    case Exit:
                        isWorking = false;
                        break;
                }
            }
        }
    }

    class Player
    {
        public Player(int uniqueCode, string name, int level, bool isBanned)
        {
            UniqueCode = uniqueCode;
            Name = name;
            Level = level;
            IsBanned = isBanned;
        }

        public int UniqueCode { get; private set; }
        public string Name { get; private set; }
        public int Level { get; private set; }
        public bool IsBanned { get; private set; }

        public void Ban()
        {
            IsBanned = true;
        }

        public void Unban()
        {
            IsBanned = false;
        }

        public void ShowInfo()
        {
            Console.WriteLine($"Уникальный код: {UniqueCode} Имя: {Name} Уровень: {Level} Состояние бана: {IsBanned}");
        }
    }

    class Database
    {
        private int _lastIdOfPlayer = 0;

        private List<Player> _players = new List<Player>();

        public void AddPlayer()
        {
            int level;

            _lastIdOfPlayer++;

            Console.Clear();
            Console.WriteLine("Введите ник:");
            string name = Console.ReadLine();

            Console.WriteLine("Введите уровень:");
            string userInput = Console.ReadLine();

            bool isNumber = int.TryParse(userInput, out level);

            if (isNumber == true)
            {
                bool isBanned = false;

                Player player = new Player(_lastIdOfPlayer, name, level, isBanned);
                _players.Add(player);
            }
            else
            {
                Console.WriteLine("Ошибка ввода!");
            }
        }

        public void BanPlayer()
        {
            if (TryGetPlayer(out Player player) == true)
            {
                player.Ban();
            }
        }

        public void UnbanPlayer()
        {
            if (TryGetPlayer(out Player player) == true)
            {
                player.Unban();
            }
        }

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

        public void ShowAllPlayers()
        {
            int indexOfPlayer = 0;

            foreach (var player in _players)
            {
                {
                    _players[indexOfPlayer].ShowInfo();
                }

                indexOfPlayer++;
            }
        }

        private bool TryGetPlayer(out Player player)
        {
            Console.WriteLine("Введите уникальный номер игрока:");
            string userInput = Console.ReadLine();

            bool isNumber = int.TryParse(userInput, out int UniqueCode);
            if (isNumber == true)
            {
                for (int i = 0; i < _players.Count; i++)
                {
                    if (UniqueCode == _players[i].UniqueCode)
                    {
                        player = _players[i];
                        return true;
                    }
                }
            }
            else
            {
                Console.WriteLine("Ошибка ввода!");
            }

            player = null;
            return false;
        }
    }
}