package javazon;

import java.text.NumberFormat;
import java.util.Arrays;

public class Order {
    //class variables
    private Customer orderCustomer;
    private Clerk orderClerk;
    private Product[] orderProduct;
    private int[] orderQuantity;
    

    
    //store totals
    private double subtotal;
    private double tax;
    private double total;
    
    //constant defining tax
    private static double TAX_RATE = 0.0825;

    //keep track of how many products were added
    private int productCount;
    
    //constructor
    public Order(){
        orderProduct = new Product[1];
        orderQuantity = new int[1];
    }
    
    //setter to assign customer
    public void setOrderCustomer(Customer aCustomer){
        orderCustomer = aCustomer;
    }
    
    //setter to assign clerk
    public void setOrderClerk(Clerk aClerk){
        orderClerk = aClerk;
    }
    
    public void setOrderProduct(Product aProduct, int aQty){
        //TODO
        
    
          Product[] tempOrderedProducts = new Product[orderProduct.length + 1];
            for (int i = 0; i < orderProduct.length; i++) {
                tempOrderedProducts[i] = orderProduct[i];
            }

            tempOrderedProducts[orderProduct.length] = aProduct;
          
            int[] tempOrderedQuantity = new int[orderQuantity.length + 1];
            for (int j = 0; j < orderQuantity.length; j++) {
             tempOrderedQuantity[j] = orderQuantity[j];
            
            }
            tempOrderedQuantity[orderQuantity.length] = aQty;
        //EACH TIME A USER ADDS A PRODUCT TO THE ORDER
        
    
        //IF IT IS THE FIRST PRODUCT ADDED TO THE ORDER THEN
        //STORE IT IN THE orderProduct ARRAY
        
        
        
        //IF MORE PRODUCTS ARE ADDED, YOU HAVE TO RESIZE THE
        //orderProduct and orderQuantity arrays.
        
        //the way to do that is to create temp array for each
        //copy the current arrays into temp arrays
        //resize the current arrays
        //put back the temp arrays in the current arrays
        //in the newly sized arrays
        //add the new product
        //add the quantity
            
    }
    
    public void calcSubtotal(){
        //TODO
        //FOR LOOP THROUGH THE orderProduct array
        //get the price
        //get the quantity from the orderQuantity array
        //STORE IT IN subtotal VARIABLE
          double sum = 0;
            for (int i = 0; i < orderProduct.length; i++)
            {
               sum += orderProduct[i].getPrice() * orderQuantity[i];
            }
            subtotal = sum;
    }
    
    public void calcTax(){
        
        //TODO
        //CALCULATE THE TAX
        //STORE IT IN tax VARIABLE
        
        tax = subtotal * TAX_RATE;
        
    }
    
    public void calcTotal(){
        //TODO
        //CALCULATE THE TOTAL
        //STORE IT IN total VARIABLE
        total = subtotal + tax;
    }

    public String toString(){
        NumberFormat nf =  NumberFormat.getCurrencyInstance();
        
        String result = "";
        
          result += "CASHIER @ REGISTER\n " + orderClerk.getFirstName() + " " + orderClerk.getLastName() +" @ " + orderClerk.getRegisterNbr() + "\n\n";
          result += "CUSTOMER INFO\n " + orderCustomer.toString() + "\n\n";
          result += "NUMBER OF ITEMS SOLD = " + orderProduct.length + "\n\n";
          result += "TOTALS\n " + "Subtotal: " + nf.format(subtotal) + "\n"
          + "Tax (" + nf.format(TAX_RATE) + "): " + nf.format(tax) + "\n"
          + "Total : " + nf.format(this.total);
        //TODO
        //ADD REST OF SUMMARY TO RESULT
        //SEE LINE ABOVE FOR EXAMPLE OF HOW TO GET INFORMATION FROM
        //OTHER OBJECTS THAT ARE AVAILABLE WITHIN THE ORDER CLASS
        //SEE PROJECT HANDOUT TO GET IDEA OF HOW YOUR SUMMARY SHOULD LOOK LIKE
        
        
        return result;
    }
    
    //Returns the number of items sold
    public int getNumberItemsSold(){
        int totalQty = 0;
        for (int i = 0;i<orderQuantity.length;i++){
            totalQty += orderQuantity[i];
        }
        
        return totalQty;
    }

}