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

namespace Leaderboard
{
    public class Program
    {
        static void Main(string[] args)
        {
            PlayerService service = new PlayerService();
            service.Run();
        }
    }

    public enum SortType
    {
        ByLevel,
        ByStrength
    }

    public class Player
    {
        public Player(string name, int level, int strength)
        {
            Name = name;
            Level = level;
            Strength = strength;
        }

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

    public class PlayerCreator
    {
        public List<Player> CreatePlayers()
        {
            return new List<Player>
            {
                new Player("Артём", 15, 120),
                new Player("Владимир", 20, 110),
                new Player("Екатерина", 18, 130),
                new Player("Сергей", 22, 125),
                new Player("Мария", 17, 140),
                new Player("Дмитрий", 19, 135),
                new Player("Ольга", 16, 100),
                new Player("Иван", 21, 150),
                new Player("Алексей", 14, 90),
                new Player("Наталья", 23, 145),
            };
        }
    }

    public class PlayerService
    {
        private const int TopPlayersCount = 3;
        private readonly List<Player> _players;

        public PlayerService()
        {
            PlayerCreator creator = new PlayerCreator();
            _players = creator.CreatePlayers();
        }

        public void Run()
        {
            const string CommandToShowTopPlayersByLevel = "1";
            const string CommandToShowTopPlayersByStrength = "2";
            const string CommandToExit = "3";

            bool isWorking = true;

            while (isWorking)
            {
                Console.Clear();
                Console.WriteLine("Меню:");
                Console.WriteLine($"{CommandToShowTopPlayersByLevel}. Топ-{TopPlayersCount} игроков по уровню");
                Console.WriteLine($"{CommandToShowTopPlayersByStrength}. Топ-{TopPlayersCount} игроков по силе");
                Console.WriteLine($"{CommandToExit}. Выход");
                Console.Write("Выберите пункт меню: ");

                string userInput = Console.ReadLine();

                switch (userInput)
                {
                    case CommandToShowTopPlayersByLevel:
                        ShowTopPlayers(SortType.ByLevel);
                        break;

                    case CommandToShowTopPlayersByStrength:
                        ShowTopPlayers(SortType.ByStrength);
                        break;

                    case CommandToExit:
                        isWorking = false;
                        break;

                    default:
                        Console.WriteLine("Некорректный ввод. Попробуйте снова.");
                        break;
                }

                if (isWorking)
                {
                    Pause();
                }
            }
        }

        private void ShowTopPlayers(SortType sortType)
        {
            List<Player> topPlayers;

            if (sortType == SortType.ByLevel)
            {
                Console.WriteLine($"\nТоп-{TopPlayersCount} игроков по уровню:");
                topPlayers = _players.OrderByDescending(player => player.Level).Take(TopPlayersCount).ToList();
            }
            else
            {
                Console.WriteLine($"\nТоп-{TopPlayersCount} игроков по силе:");
                topPlayers = _players.OrderByDescending(player => player.Strength).Take(TopPlayersCount).ToList();
            }

            PrintPlayers(topPlayers);
        }

        private void PrintPlayers(List<Player> players)
        {
            if (players.Count == 0)
            {
                Console.WriteLine("Список пуст.");
            }
            else
            {
                foreach (Player player in players)
                {
                    Console.WriteLine($"{player.Name}, уровень: {player.Level}, сила: {player.Strength}");
                }
            }
        }

        private void Pause()
        {
            Console.WriteLine("\nНажмите любую клавишу для продолжения...");
            Console.ReadKey();
        }
    }
}