import java.util.*;
public class Driver {

	Scanner keyboard = new Scanner(System.in);
	public static void main(String[] args) {
		
		
		
	}
		public void menu()
	{
		ArrayList ingredients = new ArrayList();
	   int menuChoice;
		System.out.println("Please select an option");
		System.out.println("1)Add inventory");
		System.out.println("2)Stock inventory");
		System.out.println("3)Use ingredients");
		System.out.println("4)Display ingredients");
		System.out.println("5)Exit program");
		
		menuChoice = keyboard.nextInt();
		if(menuChoice < 1 || menuChoice > 5)
			System.out.println("Invalid please try again");
			menuChoice = keyboard.nextInt();
			if(menuChoice==1)

				//S.O.P "What type of ingredient would you like to add"
				//S.O.P "What type of unit is "ingredient" stored in"
				//S.O.P "How many "units" of "ingredient" do you have"
			else if(menuChoice==2)

				//S.O.P "What type of ingredient would you like to add?"
				//S.O.P "How many "units" of "ingredient" would you like to add"?
			else if (menuChoice==3)

				//S.O.P "What type of ingredient are you wanting to use?"
				//S.O.P "How many "units" of "ingredient" are you wanting to use?
			else if (menuChoice==4)

					System.out.println(ingredients);
			else
				System.out.println("Thank you for using the Ingredient Manager");

import java.util.*;
public class Driver {

	 
	public static void main(String[] args) 
	{
		Scanner keyboard = new Scanner(System.in);
		   ArrayList <Inventory>ingredients = new ArrayList<Inventory>(); 
		   String name;
		   String measurement;
		   int units;
		   int menuChoice=menu();
		   int i;
		   int addOn;
		
		   while(menuChoice!=5)
		   {
			if(menuChoice==1)
			{
				System.out.println("What type of ingredient would you like to add?");
				name=keyboard.nextLine();
				System.out.println("What is "+name+" measured in?");
				measurement=keyboard.nextLine();
				System.out.println("");
				System.out.println("How many  "+measurement+" of  "+name+" do you have?");
				units=keyboard.nextInt();
				keyboard.nextLine();
				System.out.println("");
				Inventory foodItem = new Inventory(name, measurement, units);
				ingredients.add(foodItem);
				
				
			}
				
			else if(menuChoice==2)
			{
				for(i=0; i<ingredients.size(); i++)
				{
					System.out.println(i +") "+ingredients.get(i).toString());
				}
				System.out.println("What would you like to add to?");
				int x = keyboard.nextInt();
				addOn=ingredients.get(x).getUnits();
				System.out.println("How many "+ingredients.get(x).getMeasurment()+" would you like to stock?");
				addOn+=keyboard.nextInt();
			    ingredients.get(x).setUnits(addOn);

			    				 
			}
			else if (menuChoice==3)
			{
				for(i=0; i<ingredients.size(); i++)
				{
					System.out.println(i +") "+ingredients.get(i).toString());
				}
				System.out.println("Which item would you like to use?");
				int x = keyboard.nextInt();
				addOn=ingredients.get(x).getUnits();
				System.out.println("How many "+ingredients.get(x).getMeasurment()+" would you like to use?");
				addOn-=keyboard.nextInt();
			    ingredients.get(x).setUnits(addOn);

			}
			else if (menuChoice==4)
			{
			for(i=0; i<ingredients.size(); i++)
				System.out.println(ingredients.get(i).toString());
			}
			menuChoice=menu();
		   }
			
	
	}
	public static int menu()
    {
		Scanner keyboard = new Scanner(System.in);
		int menuChoice;

		
		System.out.println("Please select an option");
		System.out.println("1)Add inventory");
		System.out.println("2)Stock inventory");
		System.out.println("3)Use ingredients");
		System.out.println("4)Display ingredients");
		System.out.println("5)Exit program");
		menuChoice = keyboard.nextInt();
		
		while(menuChoice < 1 || menuChoice > 5)
		{
			System.out.println("Invalid please try again");
			menuChoice = keyboard.nextInt();
		}
		return menuChoice;
		
		
				
		
		

	}

}

public class Inventory 
	{
	int units;
	String name;
	String measurment;
	public Inventory(String nameIn,String measurmentIn, int unitsIn)
	{
		name=nameIn;
		measurment=measurmentIn;
		units=unitsIn;
		
	}
	
	
	public int getUnits() {
		return units;
	}


	public void setUnits(int units) {
		this.units = units;
	}


	public String getName() {
		return name;
	}


	public void setName(String name) {
		this.name = name;
	}


	public String getMeasurment() {
		return measurment;
	}


	public void setMeasurment(String measurment) {
		this.measurment = measurment;
	}


	public String toString()
	{
	String foodInfo="you have "+units+" "+measurment+" of "+name;
	return foodInfo;
	}
}