import java.util.ArrayList;

public class ShoppingCart {
	private String customerName;
	private String currentDate;
	private ArrayList<ItemToPurchase> cartItems;

	ShoppingCart (){
		customerName = "none";
		currentDate = "January 1, 2016";
	}
	ShoppingCart (String name, String date){
		customerName = name;
		currentDate = date;
	}

	public String getCustomerName(){
		return customerName;
	}

	public String getDate(){
		return currentDate;
	}

	private void printNameDate (){
		System.out.println(customerName + " Shopping Cart - "+ currentDate);
	}

	public void addItem(ItemToPurchase item){
		cartItems.add(item);
	}
	public void removeItem(String itemName){
		for (int i=0; i<cartItems.size(); i++){
			if (cartItems.get(i).getName() == itemName){
				cartItems.remove(i);
				return;
			}
		}
		System.out.println("Item not found in cart. Nothing removed.");
	}
	public void modifyItem(ItemToPurchase item){
		//Modify desc, price, and/or quantity
		//If item can be found by name in cart
		//check if parameter has default values
		//for desc, price, and quantity
		//if not, modify item in cart
		//if item cannot be found by name,
		//"Item not found in cart. Nothing modified."
	}
	public int getNumItemsInCart(){
		return cartItems.size();
	}
	public int getCostOfCart(){
		int runningTotal = 0;
		for (int i=0; i<cartItems.size(); i++){
			runningTotal += cartItems.get(i).getPrice();
		}
		return runningTotal;
	}

	public void printTotal(){
		if (cartItems.size() == 0){
			System.out.println("SHOPPING CART IS EMPTY");
			return;
		}
		printNameDate();
		System.out.println("Number of Items: " + cartItems.size());
		System.out.println();

		for (int i=0; i<cartItems.size(); i++){
			System.out.println(cartItems.get(i).getName() + " " +
					cartItems.get(i).getQuantity() + " @ $"+
					cartItems.get(i).getPrice() + " = $" +
					(cartItems.get(i).getPrice() *
					 cartItems.get(i).getQuantity()));
		}
		System.out.println("\nTotal: " + getCostOfCart());
	}
	public void printDescriptions(){
		printNameDate();
		System.out.println("\n Item Descriptions");

		for (int i=0; i<cartItems.size(); i++){
			cartItems.get(i).printItemDescription();
		}
	}
}