package catering.order;

import catering.staff.Employee;
import org.javamoney.moneta.Money;
import org.salespointframework.order.Cart;

import javax.money.MonetaryAmount;
import java.time.Duration;
import java.time.LocalDateTime;
import java.util.HashSet;
import java.util.Set;

public class CustomCart extends Cart {
	private Set<Employee> staff;
	private OrderType orderType;
	private LocalDateTime start;
	private LocalDateTime finish;
	private final String formatterPattern;

	// Constructor
	public CustomCart(OrderType orderType, LocalDateTime start, LocalDateTime finish) {
		super();
		this.staff = new HashSet<>();
		this.orderType = orderType;
		this.start = start;
		this.finish = finish;
		this.formatterPattern = "dd.MM.yyyy, HH:mm 'Uhr'";
	}

	/**
	 * Adds an employee to the cart
	 */
	public boolean addEmployee(Employee employee) {
		for (Employee myEmployee : staff) {
			if (myEmployee.equals(employee)) {
				return false;
			}
		}
		return staff.add(employee);
	}

	public Set<Employee> getStaff() {
		return staff;
	}

	public boolean removeEmployee(Employee employee) {
		for (Employee myEmployee : staff) {
			if (myEmployee.equals(employee)) {
				return staff.remove(myEmployee);
			}
		}
		return false;
	}

	/**
	 * Add staff to order (analogous to cart.addItemsTo(order))
	 */
	public CustomOrder addStaffTo(CustomOrder order) {
		for (Employee employee : staff) {
			order.addEmployee(employee);
		}

		return order;
	}

	public OrderType getOrderType() {
		return orderType;
	}

	public void setOrderType(OrderType orderType) {
		this.orderType = orderType;
	}

	public LocalDateTime getStart() {
		return start;
	}

	public void setStart(LocalDateTime start) {
		this.start = start;
	}

	/**
	 * @return hours between start and finish multiplied with a rate
	 */
	public double getDurationInHoursTimesRate(double rate) {
		return (float) Duration.between(start, finish).getSeconds() / 3600 * rate;
	}

	public LocalDateTime getFinish() {
		return finish;
	}

	public void setFinish(LocalDateTime finish) {
		this.finish = finish;
	}

	public String getFormatterPattern() {
		return formatterPattern;
	}

	@Override
	public MonetaryAmount getPrice() {
		MonetaryAmount total = super.getPrice();

		for (int i = 0; i < staff.size(); i++) { // TODO: get this from employee itself
			total = total.add(Money.of(getDurationInHoursTimesRate(12.0), "EUR"));
		}

		for (Employee employee : staff) {
			total = total.add(Money.of(getDurationInHoursTimesRate(12), "EUR")); // TODO: get from employee
		}

		return total;
	}

	@Override
	public void clear() {
		super.clear();
		staff = new HashSet<>();
	}
}