// Name : Matthew Reeves 
// This is a program to create an inventory for books

import java.util.Scanner;

//creates BookInvTest class
public class BookInvTest
{
	//main method which collects all information from user
	public static void main( String args[] )
	{
		//initializes local variables for method
		String titl;
		String auth;
		String publ;
		int pyear;
		String isbn;	
		
		//creates scanner object
		Scanner input= new Scanner(System.in);
		
		//prompts for and stores attribute info from user
		System.out.print("\nEnter the book's title: ");
		titl=input.nextLine();	
		System.out.println();		
		
		System.out.print("Enter the book's author: ");
		auth=input.nextLine();
		System.out.println();		
		
		System.out.print("Enter the book's publisher: ");
		publ=input.nextLine();
		System.out.println();		
		
		System.out.print("Enter the book's publication year: ");
		pyear=input.nextInt();
		input.nextLine();		
		System.out.println();		
	
		System.out.print("Enter the book's ISBN number: ");
		isbn=input.nextLine();
		System.out.println();		
		
		//creates Book object using user input
		Book bookEntry=new Book(titl,auth,publ,pyear,isbn);
	
		//print to screen all info entered by user with appropriate labels
		System.out.printf("%s\n",bookEntry.toString());

		//creates Inventory object, and passes book info to Inventory method
		BookInventory bookInv=new BookInventory(bookEntry);

		//prints to screen initial inventory
		System.out.printf("Initial Book Inventory:\n%s\n",bookInv.toString());

		//prompts for and stores number of books to add to inventory
		System.out.print("\nEnter the number of books to add to inventory: ");
		int numadd=input.nextInt();
		
		//validates user entered value for books to add
		if (bookInv.addBook(numadd)==false)
		{
			System.out.println("Inventory not updated - invalid number of books entered");
		}
		else
		{
			System.out.printf("Initial Book Inventory:\n%s\n",bookInv.toString());
		}
		
		//prompts for and stores number of books to remove from inventory
		System.out.print("\nEnter the number of books to remove from inventory: ");
		int numrmv=input.nextInt();
	
		//validates user entered value for books to remove
		if (bookInv.removeBook(numrmv)==false)
		{
			System.out.println("Inventory not updated - invalid number of books entered");
		}
		else
		{
			System.out.printf("Initial Book Inventory:\n%s\n",bookInv.toString());
		}

		//creates a new Book object, identical to but separate from the original
		Book newBook=new Book(bookEntry);

		//prints attributes for copied book with appropriate labels
		System.out.printf("\nThe copied book =\n%s\n",newBook.toString());
	}
}