/**
 * 
 * Created by: Alex Kolaris
 * Date: Sep 21, 2006
 * 
 * 
 */
public class Inventory {
    private static int itemNum[] = new int[3];
	private static String name[] = new String[3];
	private static int units[] = new int[3];
	private static double price[] = new double[3];
	private static int i = 0;

    public Inventory(){ }// 
    
	public Inventory(int _itemNum, String _name, int _units, double _price)//
	{ 		
		itemNum[i] = _itemNum;
		name[i] = _name;
		units[i] = _units;
		price[i] = _price;
		i = i + 1;
	}
	
	public static double valueOfInventory(double p,int u)
	{
		return p*u;
	}

	public static void showInventory()
	{		
		for(int j=0;j<i;j++){
			System.out.println("Product Name   : " + name[j]);
			System.out.println("Item Number    : " + itemNum[j]);
			System.out.println("Number of Units: " + units[j]);
			System.out.println("Unit Price     : " + price[j]);
			System.out.println("The value of the inventory of " + name[j] + " is = " + valueOfInventory(price[j], units[j]));//call the valueOfInventory() method and display the value
		}
	}

	public static void showValueofInventory()
	{
		double totalVal = 0;
		for (int j = 0; j < i; j++)
		{
			totalVal = totalVal + valueOfInventory(price[j], units[j]);
		}
		System.out.println("\n-----------Total Value of Inventory is = " + totalVal);
	}
		
	public static void sortByProduct()
	{		
		for (int j = 0; j < i; j++){
			int min = j; 			
			for (int k = j; k < i; k++){
				if (name[k].compareTo(name[min]) < 0){
					min = k;
				}
			}
			sortItems(j, min);
			String tmp;
			tmp = name[j];
			name[j] = name[min];
			name[min] = tmp;
		}
		
		System.out.println("\n************Inventory sorted by products***********\n");
		showInventory();
	}

	public static void sortItems(int j, int min)
	{		 
		int temp = itemNum[j];
		itemNum[j] = itemNum[min];
		itemNum[min] = temp;

		temp = units[j];
		units[j] = units[min];
		units[min] = temp;

		double temp1 = price[j];
		price[j] = price[min];
		price[min] = temp1;
	}

}