import java.text.DecimalFormat;

/**
 * This is a template class for Book. 
 * It defines a Book class used for the storage of Book Information
 * 
 */

/**
 * @author Brent Garber
 *
 */
public class Book {

	//	instance variables
	private String _title;
	private double _price;
	private int _quantity;
	
	private DecimalFormat df1 = new DecimalFormat("##,###.00");
	//	Default Constructor
	/**
	 * Constructs a default Book object
	 */
	public Book() {
		this._title = "";
		this._price = 0.00;
		this._quantity = 0;
		
	}

	/**
	 * Constructs a Book object with given instance attributes
	 * @param title Title of the Book
	 * @param price Price of the Book
	 * @param quantity Number of Books in inventory
	 */
	public Book(String title, double price, int quantity) {
		this._title = title;
		this._price = price;
		this._quantity = quantity;
	}

	/**
	 * Sets the Book's Title
	 * @param title
	 */
	public void setTitle(String title) {
		this._title = title;
	}
	
	/**
	 * Returns the title of the book
	 * @return String Name of Book
	 */
	public String getTitle() {
		return this._title;
	}
	
	/**
	 * Sets the Book's Price
	 * @param price
	 */
	public void setPrice(double price) {
		this._price = price;
	}
	
	/**
	 * Returns the Book's Price
	 * @return double Price of Book
	 */
	public double getPrice() {
		return this._price;
	}
	
	/**
	 * Sets the number of this type of Book in the inventory
	 * @param quantity
	 */
	public void setQuantity(int quantity) {
		this._quantity = quantity;
	}
	
	/**
	 * Returns the current inventory of the book
	 * @return int Number of books in the inventory
	 */
	public int getQuantity() {
		return this._quantity;
	}
	
	/**
	 * Returns the Total Cost of the book
	 * @param number Number of Books to Buy
	 * @param taxRate Tax rate to apply to purchase
	 * @return double Total Cost of the Books
	 */
	public double getTotalCost(int number, double taxRate) {
		return number * (this.getPrice() * (1.0 + (taxRate / 100)) );
	}
	
	/**
	 * Returns a rendering of the Book object
	 * @return String version of object
	 */
	public String toString() {
		return "The Book: " + super.toString() + " " + this.getTitle() + " $" + df1.format(this.getPrice()) + " " + this.getQuantity();
	}
}