using System;
using System.Collections.Generic;

class Program
{
    static void Main(string[] args)
    {
        const string AddBookCommand = "1";
        const string RemoveBookCommand = "2";
        const string ShowAllBookCommand = "3";
        const string ShowAllBookByParameterCommand = "4";
        const string ExitCommand = "5";

        string userInput;
        bool isWorking = true;

        StorageBook storageBook = new StorageBook();

        while (isWorking)
        {
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("Хранилище книг.");
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine($"{AddBookCommand})Добавить книгу.\n{RemoveBookCommand})Удалить книгу.\n{ShowAllBookCommand})Показать все книги." +
                $"\n{ShowAllBookByParameterCommand})Показать книги по указанному параметру.\n{ExitCommand})Выход из программы.");

            userInput = Console.ReadLine();

            switch (userInput)
            {
                case AddBookCommand:
                    storageBook.AddBook();
                    break;

                case RemoveBookCommand:
                    storageBook.RemoveBook();
                    break;

                case ShowAllBookCommand:
                    storageBook.ShowInfo();
                    break;

                case ShowAllBookByParameterCommand:
                    storageBook.ShowInfoBooksByParameter();
                    break;

                case ExitCommand:
                    isWorking = false;
                    break;
            }
        }
    }
}

class StorageBook
{
    private List<Book> _books = new List<Book>();

    private int _universalNumber = 1000;

    public void AddBook()
    {
        string userInputName;
        string userInputAuthor;
        int userInputReleaseYear;

        Console.WriteLine("Введите название книги, её автора и год релиза.");

        userInputName = Console.ReadLine();
        userInputAuthor = Console.ReadLine();
        userInputReleaseYear = Utils.ConvertToInt();

        _books.Add(new Book(_universalNumber, userInputName, userInputAuthor, userInputReleaseYear));

        _universalNumber++;
    }

    public void RemoveBook()
    {
        if (TryGetBook(out Book book))
        {
            _books.Remove(book);
        }
    }

    private bool TryGetBook(out Book book)
    {
        ShowInfo();

        Console.WriteLine("Книгу под каким уникальным номером вы хотите удалить?");

        int userInput = Utils.ConvertToInt();

        foreach (Book item in _books)
        {
            if (item.UniversalNumber == userInput)
            {
                book = item;
                return true;
            }
        }

        book = null;

        Console.WriteLine("Книга по такому ID не найдена.");

        return false;
    }

    public void ShowInfo()
    {
        foreach (Book book in _books)
        {
            book.ShowDescription();
        }
    }

    public void ShowInfoBooksByParameter()
    {
        const string SearchByNameCommand = "1";
        const string SearchByAuthorCommand = "2";
        const string SearchByReleaseCommand = "3";

        string userInput;

        Console.WriteLine($"По какому параметру вы бы хотели найти книгу?\n{SearchByNameCommand})По имени.\n{SearchByAuthorCommand})По автору.\n{SearchByReleaseCommand})По году релиза.");

        userInput = Console.ReadLine();

        switch (userInput)
        {
            case SearchByNameCommand:
                SearchByName("Введите название книги:", _books);
                break;

            case SearchByAuthorCommand:
                SearchByAuthor("Введите имя автора:", _books);
                break;

            case SearchByReleaseCommand:
                SearchByRelease("Введите год релиза:", _books);
                break;
        }
    }

    private void SearchByName(string text, List<Book> books)
    {
        Console.WriteLine(text);

        string userInput = Console.ReadLine();

        foreach (var book in books)
        {
            if (book.Name == userInput)
            {
                book.ShowDescription();
            }
        }
    }

    private void SearchByAuthor(string text, List<Book> books)
    {
        Console.WriteLine(text);

        string userInput = Console.ReadLine();

        foreach (var book in books)
        {
            if (book.Author == userInput)
            {
                book.ShowDescription();
            }
        }
    }

    private void SearchByRelease(string text, List<Book> books)
    {
        Console.WriteLine(text);

        int userInput = Utils.ConvertToInt();

        foreach (var book in books)
        {
            if (book.ReleaseYear == userInput)
            {
                book.ShowDescription();
            }
        }
    }
}

class Book
{
    public Book(int universalNumber, string name, string author, int releaseYear)
    {
        UniversalNumber = universalNumber;
        Name = name;
        Author = author;
        ReleaseYear = releaseYear;
    }

    public int UniversalNumber { get; private set; }
    public string Name { get;private set; }
    public string Author { get; private set; }
    public int ReleaseYear { get; private set; }

    public void ShowDescription()
    {
        Console.WriteLine($"Уникальный номер:{UniversalNumber}|Название книги:{Name}|Автор:{Author}|Год релиза:{ReleaseYear}");
    }
}

class Utils
{
    public static int ConvertToInt()
    {
        int templateNumber;
        string userInput = string.Empty;

        while (int.TryParse(userInput, out templateNumber) == false)
        {
            userInput = Console.ReadLine();
        }

        return templateNumber;
    }
}