OOP_11

using System;
using System.Collections.Generic;
using System.Threading;

namespace OOP_11
{
    internal class Program
    {
        static void Main(string[] args)
        {
            AquariumSimulation simulator = new AquariumSimulation(5);
            simulator.Run();
        }
    }

    class Fish
    {
        public Fish(string name, int maxAge)
        {
            Name = name;
            MaxAge = maxAge;
            Age = 0;
        }

        public string Name { get; }
        public int Age { get; private set; }
        public int MaxAge { get; }
        public bool IsAlive => Age < MaxAge;

        public void GrowOlder()
        {
            Age++;
        }

        public override string ToString()
        {
            return $"{Name} (Возраст: {Age}/{MaxAge}) {(IsAlive ? "" : "✖ Погибла")}";
        }
    }

    class Aquarium
    {
        private List<Fish> _fishes;
        private int _capacity;

        public Aquarium(int capacity)
        {
            _capacity = capacity;
            _fishes = new List<Fish>();
        }

        public void AddFish(Fish fish)
        {
            if (_fishes.Count >= _capacity)
            {
                Console.WriteLine("Аквариум переполнен! Нельзя добавить больше рыб.");
                return;
            }

            _fishes.Add(fish);
            Console.WriteLine($"Добавлена рыба: {fish.Name}");
        }

        public void RemoveDeadFish()
        {
            for (int i = _fishes.Count - 1; i >= 0; i--)
            {
                if (_fishes[i].IsAlive == false)
                {
                    Console.WriteLine($"Рыба {_fishes[i].Name} умерла и удалена из аквариума.");
                    _fishes.RemoveAt(i);
                }
            }
        }

        public void IncreaseAgeForAll()
        {
            foreach (var fish in _fishes)
            {
                fish.GrowOlder();
            }
        }

        public void ShowStatus()
        {
            Console.WriteLine("\nТекущее состояние аквариума:");

            if (_fishes.Count == 0)
            {
                Console.WriteLine("Аквариум пуст.");
            }
            else
            {
                foreach (var fish in _fishes)
                    Console.WriteLine(fish);
            }
        }
    }

    class AquariumSimulation
    {
        private const int AddFishCommand = 1;
        private const int NextCycleCommand = 2;
        private const int ExitCommand = 0;

        private Aquarium _aquarium;
        private bool _isRunning;
        private Random _random;

        public AquariumSimulation(int capacity)
        {
            _aquarium = new Aquarium(capacity);
            _isRunning = true;
            _random = new Random();
        }

        public void Run()
        {
            while (_isRunning)
            {
                Console.Clear();
                _aquarium.ShowStatus();
                Console.WriteLine();

                Console.WriteLine($"{AddFishCommand} - Добавить рыбу");
                Console.WriteLine($"{NextCycleCommand} - Прожить один цикл");
                Console.WriteLine($"{ExitCommand} - Выход");
                Console.Write("Выбор: ");

                string input = Console.ReadLine();
                Console.WriteLine();

                if (int.TryParse(input, out int choice) == false)
                {
                    continue;
                }

                switch (choice)
                {
                    case AddFishCommand:
                        AddFish();
                        break;

                    case NextCycleCommand:
                        NextCycle();
                        break;

                    case ExitCommand:
                        _isRunning = false;
                        break;

                    default:
                        Console.WriteLine("Неверный выбор. Повторите попытку.");
                        break;
                }

                Thread.Sleep(1000);
            }
        }

        private void AddFish()
        {
            int startAge = 1;
            int endAge = 10;

            Console.Write("Введите имя рыбы: ");
            string name = Console.ReadLine();
            int maxAge = _random.Next(startAge, endAge);
            _aquarium.AddFish(new Fish(name, maxAge));
        }

        private void NextCycle()
        {
            _aquarium.IncreaseAgeForAll();
            _aquarium.RemoveDeadFish();
        }
    }
}