package com.knowledgeblackbelt.students.ideynega.sandwichdeliveryservice.beans;

import com.knowledgeblackbelt.students.ideynega.sandwichdeliveryservice.beans.Sandwich;

import com.knowledgeblackbelt.students.ideynega.sandwichdeliveryservice.exceptions.SandwichPurchasingFailedException;

import com.knowledgeblackbelt.students.ideynega.sandwichdeliveryservice.utils.Utility;

import java.util.Set;
import java.util.HashSet;

public class Worker {
    private String name;
    private double availableMoney;
    private Set<Sandwich> availableSandwiches;

    public Worker(String name, double availableMoney) {
        this.name = name;
        this.availableMoney = availableMoney;
        availableSandwiches = new HashSet<Sandwich>();
    }

    public String getName() {
        return this.name;
    }

    public double getAvailableMoney() {
        return this.availableMoney;
    }

    public void setAvailableMoney(double amount) {
        this.availableMoney = amount;
    }

    public Worker purchaseSandwich(Sandwich sandwich)
            throws SandwichPurchasingFailedException {
        if (sandwich.getOwner() != null) {
            throw new SandwichPurchasingFailedException(sandwich
                    + " is already purchased by " + sandwich.getOwner());
        }
        if (sandwich.getPrice() * (1 + Utility.TAX / 100) > this
                .getAvailableMoney()) {
            throw new SandwichPurchasingFailedException(this
                    + "has unsufficient money (" + this.getAvailableMoney()
                    + ") to buy " + sandwich);
        }
        this.setAvailableMoney(this.getAvailableMoney() - sandwich.getPrice()
                * (1 + Utility.TAX / 100));
        sandwich.setOwner(this);
        availableSandwiches.add(sandwich);
        return this;
    }

    @Override
    public String toString() {
        return "Worker " + name;
    }

}