package lab7_state.ex1;

import lab7_state.ex1.states.*;

public class Machine {
    private MachineState currentState;
    private final MachineState offState;
    private final MachineState idleState;
    private final MachineState choiceState;
    private final MachineState serviceNeededState;
    private final MachineState coffeeReadyState;

    private int cups;
    private boolean jammed = false;

    public Machine() {
        offState = new OffState(this);
        idleState = new IdleState(this);
        choiceState = new ChoiceState(this);
        serviceNeededState = new ServiceNeededState(this);
        coffeeReadyState = new CoffeeReadyState(this);
        currentState = offState;
        this.setCups(3);
    }

    public MachineState getOffState() {
        return offState;
    }

    public MachineState getIdleState() {
        return idleState;
    }

    public MachineState getChoiceState() {
        return choiceState;
    }

    public MachineState getServiceNeededState() {
        return serviceNeededState;
    }

    public MachineState getCoffeeReadyState() {
        return coffeeReadyState;
    }

    public void returnMoney(double value) {
        System.out.println("Returning CHF " + value);
    }

    public void setCurrentState(MachineState currentState) {
        System.out.println(this.currentState.toString() + " -> " + currentState);
        this.currentState = currentState;
    }

    public void powerUp() {
        currentState.powerUp();
    }

    public void insertCoin(double value) {
        currentState.insertCoin(value);
    }

    public void returnCoin() {
        currentState.returnCoin();
    }

    public void pushButton() {
        currentState.pushButton();
    }

    public void resetButton() {
        currentState.reset();
    }

    public void removeCup() {
        currentState.removeCup();
    }

    public void setCups(int cups) {
        this.cups = cups;
    }

    public boolean hasCups() {
        return cups != 0;
    }

    public boolean hasCoffee() {
        return true;
    }

    public boolean isJammed() {
        return jammed;
    }

    public void makeCoffee() {
        cups--;
        if (Math.random() < 0.2) {
            jammed = true;
        }
    }
}