ДЗ: Зоопарк

using System;
using System.Collections.Generic;

internal class Program
{
    static void Main(string[] args)
    {
        ZooManager zooManager = new ZooManager();
        zooManager.Run();
    }
}

public static class UserUtils
{
    private static Random s_random = new Random();

    public static int GenerateRandomNumber(int min, int max)
    {
        return s_random.Next(min, max + 1);
    }

    public static int ReadInt()
    {
        int number = 0;
        bool isParsed = false;

        while (isParsed == false)
        {
            Console.Write("Ввод: ");
            string input = Console.ReadLine();
            isParsed = int.TryParse(input, out number);

            if (isParsed == false)
            {
                Console.WriteLine("Ошибка! Нужно ввести число.");
            }
        }

        return number;
    }
}

public enum Gender
{
    Male,
    Female
}

public class AnimalType
{
    public AnimalType(string species, string sound)
    {
        Species = species;
        Sound = sound;
    }

    public string Species { get; private set; }
    public string Sound { get; private set; }
}

public class Animal
{
    public Animal(AnimalType type, Gender gender)
    {
        Type = type;
        Gender = gender;
    }

    public AnimalType Type { get; private set; }
    public Gender Gender { get; private set; }
}

public class Aviary
{
    private List<Animal> _animals;

    public Aviary(AnimalType animalType, int animalCount)
    {
        AnimalType = animalType;
        _animals = new List<Animal>();

        FillAnimals(animalCount);
    }

    public AnimalType AnimalType { get; private set; }

    public int AnimalCount
    {
        get
        {
            return _animals.Count;
        }
    }

    public void ShowInfo()
    {
        Console.WriteLine(
            $"В вольере живут {AnimalType.Species}. " +
            $"Самцов - {GetMaleCount()}, самок - {GetFemaleCount()}. " +
            $"Они {AnimalType.Sound}.");
    }

    private void FillAnimals(int animalCount)
    {
        for (int i = 0; i < animalCount; i++)
        {
            _animals.Add(CreateRandomAnimal());
        }
    }

    private Animal CreateRandomAnimal()
    {
        Gender gender;

        if (UserUtils.GenerateRandomNumber(0, 1) == 0)
        {
            gender = Gender.Male;
        }
        else
        {
            gender = Gender.Female;
        }

        return new Animal(AnimalType, gender);
    }

    private int GetMaleCount()
    {
        int count = 0;

        foreach (Animal animal in _animals)
        {
            if (animal.Gender == Gender.Male)
            {
                count++;
            }
        }

        return count;
    }

    private int GetFemaleCount()
    {
        int count = 0;

        foreach (Animal animal in _animals)
        {
            if (animal.Gender == Gender.Female)
            {
                count++;
            }
        }

        return count;
    }
}

public class Zoo
{
    private List<Aviary> _aviaries;

    public Zoo()
    {
        _aviaries = new List<Aviary>();
        FillAviaries();
    }

    public int AviaryCount
    {
        get
        {
            return _aviaries.Count;
        }
    }

    public void ShowAviaryInfo(int index)
    {
        _aviaries[index].ShowInfo();
    }

    private void FillAviaries()
    {
        AnimalType parrots = new AnimalType("Попугаи", "чирикают");
        AnimalType elephants = new AnimalType("Слоны", "трубят");
        AnimalType tigers = new AnimalType("Тигры", "рычат");
        AnimalType horses = new AnimalType("Лошади", "фыркают");
        AnimalType ducks = new AnimalType("Утки", "крякают");

        _aviaries.Add(new Aviary(parrots, 7));
        _aviaries.Add(new Aviary(elephants, 10));
        _aviaries.Add(new Aviary(tigers, 5));
        _aviaries.Add(new Aviary(horses, 4));
        _aviaries.Add(new Aviary(ducks, 15));
    }
}

public class ZooManager
{
    private const int CommandExit = 0;
    private Zoo _zoo;

    public ZooManager()
    {
        _zoo = new Zoo();
    }

    public void Run()
    {
        bool isInZoo = true;

        while (isInZoo)
        {
            ShowMenu();
            int userInput = UserUtils.ReadInt();

            if (userInput == CommandExit)
            {
                isInZoo = false;
            }
            else if (userInput >= 1 && userInput <= _zoo.AviaryCount)
            {
                OpenAviary(userInput - 1);
            }
            else
            {
                Console.WriteLine("Неверный номер вольера.");
                Console.ReadKey();
            }
        }
    }

    private void ShowMenu()
    {
        Console.Clear();
        Console.WriteLine("****** ЗООПАРК ******");
        Console.WriteLine($"Перед тобой {_zoo.AviaryCount} вольеров.");
        Console.WriteLine("Введи номер вольера, который хочешь посмотреть.");
        Console.WriteLine($"{CommandExit} - выйти из зоопарка.");
    }

    private void OpenAviary(int index)
    {
        Console.Clear();
        _zoo.ShowAviaryInfo(index);
        Console.ReadKey();
    }
}