Битва с боссом

using System;

namespace CSLight
{
    internal class Program
    {
        static void Main(string[] args)
        {
            const string CommandPlayerHit = "1";
            const string CommandPlayerFireball = "2";
            const string CommandPlayerExplosion = "3";
            const string CommandPlayerHealPotion = "4";

            Random random = new Random();
            int playerHealth;
            int playerHealthMax = 600;
            int playerMana;
            int playerManaMax = 100;
            int playerManaRegen = 10;
            int playerHitDamage = 50;
            int playerFireballDamage = 10;
            int playerExplosionDamage = 220;
            int playerExplosionTrueDamage;
            int playerHealPotion = 350;
            int playerManaPorion = 100;
            int playerHealPotionCount = 4;
            int playerFireballsCount = 0;
            int playerFireballPrice = 40;
            int playerFireballCanUse = 1;
            int bossHealth = 1000;
            int bossDamageMax = 151;
            int bossDamageMin = 75;
            int bossDamage;
            bool isBattleActive = true;
            string userInput;

            playerHealth = playerHealthMax;
            playerMana = playerManaMax;

            while (isBattleActive)
            {
                Console.Clear();
                Console.WriteLine($"Ваши жизни: {playerHealth}\n" +
                    $"Ваша мана: {playerMana}\n" +
                    $"Зелий исцеления: {playerHealPotionCount}\n" +
                    $"Фаерболов на локации: {playerFireballsCount}");
                Console.SetCursorPosition(30, 0);
                Console.WriteLine($"Жизни босса: {bossHealth}");
                Console.SetCursorPosition(0, 5);
                Console.WriteLine($"Выберите способность:\n" +
                    $"{CommandPlayerHit}.Удар (нанести {playerHitDamage} урона)\n" +
                    $"{CommandPlayerFireball}.Фаерболл (нанести {playerFireballDamage} урона, + {playerFireballCanUse} фаербол на локации)(Цена: {playerFireballPrice} маны)\n" +
                    $"{CommandPlayerExplosion}.Взрыв фаерболлов (за каждый фаерболл на локации нанаести {playerExplosionDamage} урона ({playerExplosionDamage * playerFireballsCount}))\n" +
                    $"{CommandPlayerHealPotion}.Выпить зелье (восстановить {playerHealPotion} здоровья и {playerManaPorion} маны)");
                userInput = Console.ReadLine();

                bossDamage = random.Next(bossDamageMin, bossDamageMax);
                playerHealth -= bossDamage;
                playerExplosionTrueDamage = playerExplosionDamage * playerFireballsCount;
                Console.Clear();

                switch (userInput)
                {
                    case CommandPlayerHit:
                        bossHealth -= playerHitDamage;
                        Console.WriteLine($"Вы нанесли боссу: {playerHitDamage} урона.");
                        break;

                    case CommandPlayerFireball:
                        if (playerMana < playerFireballPrice)
                        {
                            Console.WriteLine("У вас не хватает маны");
                        }
                        else
                        {
                            bossHealth -= playerFireballDamage;
                            playerFireballsCount++;
                            playerMana -= playerFireballPrice;
                            Console.WriteLine($"Вы нанесли боссу: {playerFireballDamage} урона.");
                        }
                        break;

                    case CommandPlayerExplosion:
                        if (playerFireballsCount > 0)
                        {
                            bossHealth -= playerExplosionTrueDamage;
                            Console.WriteLine($"Вы нанесли боссу: {playerExplosionTrueDamage} урона");
                            playerFireballsCount = 0;
                        }
                        else
                        {
                            Console.WriteLine("У вас нет фаерболлов на локации(");
                        }
                        break;

                    case CommandPlayerHealPotion:
                        if (playerHealPotionCount <= 0)
                        {
                            Console.WriteLine("У вас нет зелья");
                        }
                        else
                        {
                            if (playerHealth + playerHealPotion >= playerHealthMax)
                            {
                                playerHealth = playerHealthMax;
                            }
                            else
                            {
                                playerHealth += playerHealPotion;
                            }

                            if (playerMana + playerManaPorion >= playerManaMax)
                            {
                                playerMana = playerManaMax;
                            }
                            else
                            {
                                playerMana += playerManaPorion;
                            }
                            playerHealPotionCount--;
                            Console.WriteLine("Вы принимаете зелье исциления");
                        }
                        break;

                    default:
                        Console.WriteLine("Вы промахнулись!");
                        break;
                }

                Console.WriteLine($"Вам нанесено: {bossDamage} урона");
                Console.ReadLine();

                if (playerMana + playerManaRegen >= playerManaMax)
                {
                    playerMana = playerManaMax;
                }
                else
                {
                    playerMana += playerManaRegen;
                }

                if (playerHealth <= 0 || bossHealth <= 0)
                {
                    isBattleActive = false;
                }
            }

            Console.Clear();

            if (playerHealth <= 0 && bossHealth <= 0)
            {
                Console.WriteLine("Вы оба погибли");
            }
            else if (playerHealth <= 0)
            {
                Console.WriteLine("Вы погибли");
            }
            else
            {
                Console.WriteLine("Вы победили");
            }

            Console.ReadKey();
        }
    }
}