using System;

​

public class Program

{

    public void Main()

    {

        Console.WriteLine("Hello, and welcome to my library.");

        Console.WriteLine("Which type of book would you like to borrow? Fantasy, mythology, or nonfiction?");

        var response = Console.ReadLine();

        if (response.ToLower() == "fantasy")

        {

            TalkFantasy();

        }

        else if (response.ToLower() == "mythology")

        {

            TalkMythology();

        }

        else if (response.ToLower() == "nonfiction")

        {

            TalkNonfiction();

        }

        else

        {

            Console.WriteLine($"Did you say you wanted {response}?");

            Console.WriteLine("Hmm...It doesn't look like I have any books in that catergory. I'm sorry.");

        }   

    }

    void TalkFantasy()

    {

        Console.WriteLine("Oh, I love a good fantasy book.");

        Console.WriteLine("Harry Potter, Shadow and Bones, and so many more wonderful books fall in this catergory.");

        Console.WriteLine("Which book would you like to get?");

        var response = Console.ReadLine();

        Console.WriteLine($"Okay! One copy of {response} coming right up.");

    }

    void TalkMythology()

    {

        Console.WriteLine("Mythology is so good. This includes Percy Jackson, Magnus Chase, and so many more.");

        Console.WriteLine("Which book would you like to get?");

        var answer = Console.ReadLine();

        Console.WriteLine($"Okay! One copy of {answer} coming right up.");

    }

    void TalkNonfiction()

    {

        Console.WriteLine("Nonfiction books are great for learning.");

        Console.WriteLine("These books can teach you cool new facts, or tell you captivating true stories.");

        Console.WriteLine("What topic are you looking for?");

        var topic = Console.ReadLine();

        Console.WriteLine($"Okay! One book about {topic} coming right up.");

    }

}