5.5

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

namespace CSLight
{
    class Menu
    {
        static void Main(string[] args)
        {
            int posTextX = 34;
            int posTextY = 3;

            bool IsActive = true;

            Renderer rendAquarium = new Renderer();

            Fish[] fishes = new Fish[0];
            Fishes allFishes = new Fishes(fishes);

            while (IsActive == true)
            {
                Console.Clear();
                Console.CursorVisible = false;
                Console.SetCursorPosition(0, 0);
                rendAquarium.WriteAquarium();

                Console.SetCursorPosition(posTextX, posTextY);
                Console.WriteLine("Список рыб в аквариуме:");
                allFishes.WriteAllFishes(posTextX, posTextY);
                posTextY = 3;

                Console.SetCursorPosition(0, 13);
                Console.WriteLine("Нажми \"1\" чтобы добавить рыбку \nНажми \"2\" чтобы забрать рыбку \nНажми \"Esc\" чтобы выйти из приложения");
                ConsoleKeyInfo userKey = Console.ReadKey(true);
                switch (userKey.Key)
                {
                    case ConsoleKey.D1:
                        Console.Write("\nСимвол желаемой рыбки: ");
                        char inputApp = Convert.ToChar(Console.ReadLine());
                        Console.Write("Здоровье рыбки: ");
                        int inputHealth = Convert.ToInt32(Console.ReadLine());
                        allFishes.AddFish(inputApp, inputHealth);
                        break;
                    case ConsoleKey.D2:
                        Console.Write("\nСимвол удаляемой рыбки: ");
                        char inputApp2 = Convert.ToChar(Console.ReadLine());
                        allFishes.DelFish(inputApp2);
                        break;
                    case ConsoleKey.Escape:
                        IsActive = false;
                        break;
                    default:
                        ConsoleMessage("Неизвестная команда");
                        break;
                }
            }
        }
        static void ConsoleMessage(string message)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("\n" + message);
            Console.ResetColor();
            Console.ReadKey();
        }
    }
    class Renderer
    {
        public char[,] AquariumBG =
        {
            {'=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','='},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'|',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ','|'},
            {'=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','=','='}
        };
        public void WriteAquarium()
        {
            for (int i = 0; i < AquariumBG.GetLength(0); i++)
            {
                for (int j = 0; j < AquariumBG.GetLength(1); j++)
                {
                    Console.Write(AquariumBG[i, j]);
                }
                Console.WriteLine();
            }
        }
    }
    class Fish
    {
        public int Health { get; set; }
        public char Appearance { get; set; }

        public Fish(char appearance, int health)
        {
            Health = health;
            Appearance = appearance;
        }
    }
    class Fishes
    {
        public Fish[] AllFishes;
        public Fishes(Fish[] allFishes)
        {
            AllFishes = allFishes;
        }
        public void WriteAllFishes(int posTextX, int posTextY)
        {
            Random random = new Random();
            foreach (Fish fish in AllFishes)
            {
                Console.SetCursorPosition(posTextX, ++posTextY);
                Console.WriteLine("Рыбка " + fish.Appearance + " - " + fish.Health + " здоровья;");
                fish.Health--;
                Console.SetCursorPosition(random.Next(1, 29), random.Next(1, 10));
                Console.Write(fish.Appearance);
                if(fish.Health <= 0)
                {
                   DelFish(fish.Appearance);
                }
            }
        }
        public void AddFish(char inputApp, int inputHealth)
        {
            if (AllFishes.Length >= 8)
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("\nАквариум полный");
                Console.ResetColor();
                Console.ReadKey();
            }
            else
            {
                Fish newFish = new Fish(inputApp, inputHealth);
                Fish[] tempFishes = new Fish[AllFishes.Length + 1];
                for (int i = 0; i < AllFishes.Length; i++)
                {
                    tempFishes[i] = AllFishes[i];
                }
                tempFishes[tempFishes.Length - 1] = newFish;
                AllFishes = tempFishes;
            }
        }
        public void DelFish(char inputApp)
        {
            int index = -1;

            for (int i = 0; i < AllFishes.Length; ++i)
            {
                if (inputApp == AllFishes[i].Appearance)
                {
                    index = i;
                    break;
                }
            }
            Fish[] tempFish = new Fish[AllFishes.Length - 1];
            for (int i = 0, j = 0; i < tempFish.Length; ++i, ++j)
            {
                if (j == index)
                    ++j;

                tempFish[i] = AllFishes[j];
            }
            AllFishes = tempFish;
        }
    }
}