Arena3.0

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

namespace gladiatorialFight
{
    class Program
    {
        static void Main()
        {
            Arena arena = new Arena();
            arena.Work();
        }
    }

    class Arena
    {
        private List<Fighter> _figthers = new List<Fighter>(1);
        private List<Fighter> _survivors = new List<Fighter>();

        public void Work()
        {
            bool isRun = true;
            while(isRun)
            {
                ChooseFighters();

                if(isRun)
                    StartFight();
            }
        }

        private void ChooseFighters()
        {
            while (_figthers.Count != 2)
            {
                Console.Write("[1] - выбрать готового бойца\n" +
                    "[2] - выбрать выжившего бойца.\n");
                switch (Console.ReadLine())
                {
                    case "1":
                        ChooseRandomFighther();
                        break;
                    case "2":
                        ChooseSurviour();
                        break;
                    default:
                        Console.WriteLine("Неправильный ввод!");
                        break;
                }
            }
        }

        private void ChooseRandomFighther()
        {
            Random rand = new Random();

            Console.WriteLine("Выберите бойца:\n" +
                "[1] - Варвар\n" +
                "[2] - Маг\n" +
                "[3] - Лучник\n" +
                "[4] - Рыцарь\n" +
                "[5] - Ассассин\n");
            Console.Write("Ввод: ");
            switch (Console.ReadLine())
            {
                case "1":
                    Warrior warrior = new Warrior(rand.Next(70, 100), rand.Next(20, 30), rand.Next(0, 10), "Берсерк");
                    _figthers.Add(warrior);
                    break;
                case "2":
                    Mage mage = new Mage(rand.Next(50, 90), rand.Next(20, 40), rand.Next(5, 10), "Маг");
                    _figthers.Add(mage);
                    break;
                case "3":
                    Archer archer = new Archer(rand.Next(40, 80), rand.Next(15, 30), rand.Next(0, 10), "Лучник");
                    _figthers.Add(archer);
                    break;
                case "4":
                    ShieldMan shieldMan = new ShieldMan(rand.Next(30, 60), rand.Next(20, 35), rand.Next(10, 15), "Рыцарь");
                    _figthers.Add(shieldMan);
                    break;
                case "5":
                    Assassin assassin = new Assassin(rand.Next(40, 70), rand.Next(25, 35), rand.Next(0, 6), "Ассассин");
                    _figthers.Add(assassin);
                    break;
                default:
                    Console.WriteLine("Ошибка!");
                    break;
            }
        }

        private void ChooseSurviour()
        {
            bool isChose = true;

            if(_survivors.Count == 0)
            {
                Console.WriteLine("Нет выживших бойцов!");
                return;
            }

            foreach (var survivor in _survivors)
            {
                Console.WriteLine($"№{_survivors.Count}: {survivor.Name}; HP = {survivor.CurrentHealth }; DMG = {survivor.CurrentDamage}; ARM = {survivor.CurrentArmor}");
            }

            Console.Write("Ввод: ");

            while (isChose)
            {
                isChose = int.TryParse(Console.ReadLine(), out int number);
                if (isChose)
                {
                    --number;

                    foreach (var figther in _figthers)
                    {
                        if(figther == _survivors[number])
                        {
                            Console.WriteLine("Этот выживший уже выбран!");
                            return;
                        }
                    }
                    _figthers.Add(_survivors[number]);
                    isChose = false;
                }
                else if (isChose)
                {
                    Console.WriteLine("Такого выжившего нет. Введите занового.");
                }
            }
        }

        private void StartFight()
        {
            Console.Clear();

            while (IsGameOver() == false)
            {
                ShowFightersStats();
                Console.WriteLine("\n");

                Hit(_figthers[0], _figthers[1]);
                Console.WriteLine();
                Hit(_figthers[1], _figthers[0]);

                Console.ReadKey(true);
                Console.Clear();
            }
            ClearFightersList();
        }

        private void Hit(Fighter attacker, Fighter defender)
        {
            Console.WriteLine($"{attacker.Name} наносит удар...");
            attacker.Attack(defender);
        }

        private void ShowFightersStats()
        {
            _figthers[0].ShowStats();
            Console.WriteLine("=====================");
            _figthers[1].ShowStats();
        }

        private bool IsFighterDie(Fighter fighter, Fighter deadMan)
        {
            if (deadMan.IsAlive() == false)
            {
                Console.WriteLine(deadMan.Name + " умер!");

                fighter.RefreshStats();

                foreach (var survivor in _survivors)
                {
                    if (survivor == fighter)
                    {
                        Console.WriteLine(fighter.Name +" снова выжил!");
                        return true;
                    }
                }
                _survivors.Add(fighter);
                return true;
            }
            return false;
        }

        private bool IsGameOver()
        {
            if(IsFighterDie(_figthers[1], _figthers[0]))
            {
                return true;
            }
            else if (IsFighterDie(_figthers[0], _figthers[1]))
            {
                return true;
            }
            else if (IsFighterDie(_figthers[1], _figthers[0]) && IsFighterDie(_figthers[0], _figthers[1]))
            {
                Console.WriteLine("Оба бойца умерли!");
                return true;
            }
            return false;
        }

        private void ClearFightersList()
        {
            Console.WriteLine("Освобождаем Арену...");
            _figthers.Clear();
        }
    }

    abstract class Fighter
    {
        public bool IsAvoid { get; protected set; }
        public bool IsPoisonAttack { get; protected set; }
        public int ReloadAbillityCounter { get; protected set; }
        public int CurrentHealth  { get; protected set; }
        public int MaxHealth { get; protected set; }
        public int CurrentDamage { get; protected set; }
        public int MaxDamage { get; protected set; }
        public int CurrentArmor { get; protected set; }
        public int MaxArmor { get; protected set; }
        public string Name { get; protected set; }

        public abstract void UseAbility(Fighter enemy);

        public void Attack(Fighter enemy)
        {
            if (IsAbilityReady())
            {
                UseAbility(enemy);
            }
            else
            {
                enemy.TakeDamage(CurrentDamage);
            }
        }

        public void TakeDamage(int damage)
        {
            if (IsAvoid)
            {
                Console.WriteLine(Name + " увернулся!");
                IsAvoid = false;
                return;
            }
            else if (IsPoisonAttack)
            {
                Console.WriteLine("Ядовитая атака проходит сквозь броню!");
                IsPoisonAttack = false;
                CurrentHealth  -= damage;
                return;
            }

            CurrentHealth  -= damage - (CurrentArmor / 2);

            if (CurrentHealth  < 0)
                CurrentHealth  = 0;

            if (CurrentArmor > 0)
            {
                CurrentArmor -= damage - (CurrentArmor / 10);
                if (CurrentArmor < 0)
                {
                    CurrentArmor = 0;
                    Console.WriteLine($"{Name} теряет броню!");
                }
            }
        }

        public bool IsAbilityReady()
        {
            if (ReloadAbillityCounter == 0)
            {
                Console.WriteLine("Способность готова!");
                return true;
            }
            else if (ReloadAbillityCounter > 0)
            {
                Console.WriteLine("Способность перезаряжается! Осталось: " + ReloadAbillityCounter--);
            }
            return false;
        }

        public bool IsAlive()
        {
            return CurrentHealth  > 0;
        }

        public virtual void ShowStats()
        {
            Console.WriteLine($"{Name}:HP = {CurrentHealth }; DMG = {CurrentDamage}; ARM = {CurrentArmor}");
        }

        public void RefreshStats()
        {
            CurrentHealth = MaxHealth;
            CurrentArmor = MaxArmor;
            CurrentDamage = MaxDamage;
        }
    }

    class Warrior : Fighter
    {
        public Warrior(int health, int damage, int armor, string name)
        {
            MaxHealth = health;
            CurrentHealth  = health;

            MaxDamage = damage;
            CurrentDamage = damage;

            MaxArmor = armor;
            CurrentArmor = armor;

            Name = name;
        }

        public override void UseAbility(Fighter enemy)
        {
            Console.WriteLine("Варвар использует Гриб-Берсерка!");
            Random rand = new Random();

            CurrentHealth  += rand.Next(5, 26);
            CurrentDamage += rand.Next(5, 11);
            CurrentArmor -= rand.Next(5, 10);
            if (CurrentArmor < 0)
                CurrentArmor = 0;

            ShowStats();

            ReloadAbillityCounter = 3;
        }
    }

    class Mage : Fighter
    {
        public Mage(int health, int damage, int armor, string name)
        {
            MaxHealth = health;
            CurrentHealth = health;

            MaxDamage = damage;
            CurrentDamage = damage;

            MaxArmor = armor;
            CurrentArmor = armor;

            Name = name;
        }

        public override void UseAbility(Fighter enemy)
        {
            Console.WriteLine("Маг кастует огненный шар!");
            ReloadAbillityCounter = 5;

            Random rand = new Random();

            enemy.TakeDamage(rand.Next(20, 40));
        }
    }

    class Archer : Fighter
    {
        public Archer(int health, int damage, int armor, string name)
        {
            MaxHealth = health;
            CurrentHealth = health;

            MaxDamage = damage;
            CurrentDamage = damage;

            MaxArmor = armor;
            CurrentArmor = armor;

            Name = name;
        }

        public override void UseAbility(Fighter enemy)
        {
            Console.WriteLine("Лучник стреляет в ответ!");
            ReloadAbillityCounter = 2;

            Random rand = new Random();
            enemy.TakeDamage(rand.Next(20, 40));

            IsAvoid = true;
        }
    }

    class ShieldMan : Fighter
    {
        public ShieldMan(int health, int damage, int armor, string name)
        {
            MaxHealth = health;
            CurrentHealth = health;

            MaxDamage = damage;
            CurrentDamage = damage;

            MaxArmor = armor;
            CurrentArmor = armor;

            Name = name;
        }
        public override void UseAbility(Fighter enemy)
        {
            Console.WriteLine("Рыцарь закрылся щитом!");
            Random rand = new Random();

            CurrentArmor += rand.Next(10, 20);

            ShowStats();

            IsAvoid = true;
            ReloadAbillityCounter = 2;
        }
    }

    class Assassin : Fighter
    {
        public Assassin(int health, int damage, int armor, string name)
        {
            MaxHealth = health;
            CurrentHealth = health;

            MaxDamage = damage;
            CurrentDamage = damage;

            MaxArmor = armor;
            CurrentArmor = armor;

            Name = name;
        }
        public override void UseAbility(Fighter enemy)
        {
            Console.WriteLine("Ассассин бросает ядовитые кинжалы!");
            Random rand = new Random();

            ReloadAbillityCounter = 1;

            enemy.TakeDamage(rand.Next(20, 30));
        }
    }
}