Order.java

/**
 * Implementing Order class that handle user new order
 *
 * Ryan Marvin Sirait
 * ETS Edition (14/10/2025)
 */

import java.util.HashMap;
import java.util.Map;

public class Order {
    private final Coffee selectedCoffee; //Make new coffee
    private String cupSize;
    private boolean withMilk;
    private int sugarLevel;

    public Order(Coffee selectedCoffee) { //Default is regular with no milk and extra sugar
        this.selectedCoffee = selectedCoffee;
        this.cupSize = "Reguler";
        this.withMilk = false;
        this.sugarLevel = 0;
    }

    public void setCustomizations(String cupSize, boolean withMilk, int sugarLevel) {
        this.cupSize = cupSize;
        this.withMilk = withMilk;
        this.sugarLevel = sugarLevel;
    }

    public double calculateTotalPrice() {
        double finalPrice = selectedCoffee.getBasePrice();
        
        if ("Large".equals(this.cupSize)) {
            finalPrice += 4000;
        }

        if (this.withMilk) {
            finalPrice += 3000;
        }

        if (this.sugarLevel == 2) {
            finalPrice += 1000;
        } else if (this.sugarLevel == 3) {
            finalPrice += 1500;
        }
        
        return finalPrice;
    }

    public Map<String, Integer> calculateFinalRecipe() {
        Map<String, Integer> finalRecipe = new HashMap<>(selectedCoffee.getBaseRecipe());

        if ("Large".equals(this.cupSize)) {
            finalRecipe.replaceAll((ingredient, amount) -> (int) (amount * 1.4));
        } //Ingredients used

        int extraMilkAmount = 40;
        if (this.withMilk) {
            finalRecipe.put("susu", finalRecipe.getOrDefault("susu", 0) + extraMilkAmount);
            finalRecipe.put("kopi", finalRecipe.getOrDefault("kopi", 0) + 2);
        } //To balance the coffee flavour add coffee

        int extraSugar = switch (this.sugarLevel) {
            case 1 -> 2;
            case 2 -> 4;
            case 3 -> 6;
            default -> 0;
        };
        
        if (extraSugar > 0) {
            finalRecipe.put("gula", finalRecipe.getOrDefault("gula", 0) + extraSugar);
        } 

        return finalRecipe;
    }
    
    public Coffee getSelectedCoffee() {
        return this.selectedCoffee;
    }
}