using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Chp9Ex22
{
    class Program
    {
        static void Main(string[] args)
        {
            // We don't need to input anything for these exercises, just instantiate the class with
            // your own data.

            /*
            char userInput = ' ';
            while (userInput == ' ')
            {
                userInput = getUserInput();
                if (userInput == 'n')
                {
                    Console.WriteLine("Please press <enter> to exit.");
                    Console.ReadLine();

                }
            }
            */

            // This is correct.
            ClassifiedAd yourAd = new ClassifiedAd(30, "House Rentals");

            // Now, create a method to display the ad information:

            DisplayAd(yourAd);
        }

        static void DisplayAd(ClassifiedAd ad)
        {
            // Now you can access ad.GetCost();

            // You will also need to access the words and category properties of the class, and in
            // order to do this you need to write the Get methods in the class--just like the
            // GetCost() method.

        }

        static char getUserInput()
        {
            Console.WriteLine("Would you like to publish a classified ad? [y/n]");
            char userInput = (char)Console.Read();
            Console.ReadLine();
            if (userInput != 'y' && userInput != 'n')
            {
                Console.WriteLine("Invalid Input");
            }

            return userInput;
        }
        static int getNumWords()
        {
            Console.WriteLine("How many words would you like the ad t be: ");
            int numWords = (int)Console.Read();
            return numWords;
        }

    }
    class ClassifiedAd
    {
        // These should not be defined as being readonly.

        /*
        private readonly int numWords;
        private readonly string catString;
        */

        private int numWords;
        private string catString;

        // Cost should not be defined as being public. It also must be private.
        //public readonly double cost;

        private double cost;

        public ClassifiedAd(int words, string category)
        {
            catString = category;
            cost = words * .09;
            numWords = words;
            Console.WriteLine($"{words} {category} {cost}");
        }

        // Now define a method to return the cost to the calling program
        public double GetCost()
        {
            return cost;

            // Or you could have done this:
            // return numWords * .09;
        }

        // Now define the other methods you need to return the data from the
        // numWords and catString properties.
    }
}