import java.util.Scanner;

/** The "IntroAssignment" class.
 * Enters the name, price, and quantity on hand for one or more products, as well
 * as to output the product with the highest total value and the overall total value.
 */

public class IntroAssignment {

        /**
         * @param args
         */
        public static void main(String[] args) {
                // Defining variables
                Scanner keyboard = new Scanner (System.in);
                String ans = " ";
                Double total = 0.00;
                Double highestValue = 0.00;
                String highestProduct = "";
               
                // Title
                System.out.printf("%65s%n%n", "Inventory Management Program");
               
                // Main Program, loops if the user wishes to enter another product
                do
                {
                        System.out.print ("Please enter the name of the next product: ");
                        String product = keyboard.nextLine();
                        System.out.printf("Please enter the unit price for %s: $", product);
                        Double unitPrice = keyboard.nextDouble();
                        System.out.printf("How many %s do you have on hand?: ", product);
                        int numOfProduct = keyboard.nextInt ();
                        Double totalCost = unitPrice*numOfProduct;
                        System.out.printf("You have %d %s @ $%.2f for a total value of $%.2f%n", numOfProduct, product, unitPrice, totalCost);
               
                        // Calculates the total value thus far and checks if this product has
                        // the highest value
                        total += totalCost;
                        if (totalCost > highestValue)
                        {
                                highestValue = totalCost;
                                highestProduct = product;
                        }
               
                        // Asks if the user wants to repeat, and loops if the answer is not y/n.
                        do
                                {
                                System.out.print("Do you have anymore products? (y/n): ");           
                                ans = keyboard.next ().toUpperCase();
                                if (ans.charAt(0) == 'Y')
                                        System.out.println();
                                }
                        while (ans.charAt(0) !='Y' && ans.charAt(0) != 'N');
                }
                while (ans.charAt(0) == 'Y'); // repeats program if the user answers 'y'
       
                // End of the program
                System.out.println ();
                System.out.printf ("The total value of all inventory is: $%.2f%n", total);
                System.out.printf ("The item with the highest total value is $%.2f for %s.%n", highestValue, highestProduct);
                System.out.println("Thank you for using the Inventory Management Program");
        }
}