class Book

 {
public string title { get; set; }
public string Author { get; set; }
public string publisher { get; set; }
public int price { get; set; }
public static string genre;

public override string ToString()
{
    string output = String.Format("Title :{0} n Author :{1} n Publisher :{2} n Price {3}", this.title, this.Author, this.publisher, this.price);
    return output;
}


public static List<Book> myList = new List<Book>();
private static void changegenre()
{
    string mygenre = "Fantasy";
    genre = mygenre;
}

static void Main(string[] args)
{
    changegenre();
    myList.Add(new Book() { title = "Hobbit", Author = "J.R.R Tolkien", publisher = "U & G", price = 34, });
    myList.Add(new Book() { title = "Two Towers", Author = "J.R.R Tolkien", publisher = "U & G", price = 55 });
    myList.Add(new Book() { title = "Opowiesci z meekhanskiego pogranicza", Author = "Robert M. Wegner", publisher = "Powergraph", price = 10 });
    myList.Add(new Book() { title = "A Dance with Dragons", Author = "G.R.R Martin", publisher = "Voyager Books", price = 25 });
    Console.WindowWidth = 95;
    Console.BackgroundColor = ConsoleColor.DarkMagenta;
    Console.WriteLine(" --------Welcome to our bookstore!-------");

    do
    {

        Console.BackgroundColor = ConsoleColor.Black;
        Console.WriteLine("Please write: rn a = if you want to search book by author, rn p = if you want to search book by price, rn pub - if you want to search by publisher or rn t- if you want to search by title");
        string input = Console.ReadLine();
        switch (input)
        {
            case "a":
                searchbyauthor();
                break;

            case "p":
                searchbyprice();
                break;
            case "pub":
                searchbypublisher();
                break;
            case "t":
                searchbytitle();
                break;



        }





        Console.WriteLine("Do you want to search again?");
    } while (Console.ReadLine().ToUpper() == "YES");
}

private static void searchbytitle()
{
    Console.WriteLine("Please, write book's title!");
    string input = Console.ReadLine();
    foreach (Book result in myList.Where(x => x.title == input).ToList())
    {
        Console.WriteLine(result);

    }
}

private static void searchbypublisher()
{
    Console.WriteLine("Please, write publisher's name!");
    string input = Console.ReadLine();
    foreach (Book result in myList.Where(x => x.publisher == input).ToList())
    {
        Console.WriteLine(result);

    }
}

private static void searchbyprice()
{
    Console.WriteLine("Please, give me the maximum book price");
    string input = Console.ReadLine();
    int maxprice = Convert.ToInt32(input);
    foreach (Book result in myList.Where(x => x.price <= maxprice).ToList())
    {
        Console.WriteLine(result);
    }
}

private static void searchbyauthor()

{
    Console.WriteLine("Please, write author's name!");
    string input = Console.ReadLine();
    foreach (Book result in myList.Where(x => x.Author== input).ToList())
    {
        Console.WriteLine(result);

    }
}

}