/*
 * %W% %E% Dymik739
 * Email: dymik739@109.86.70.81
 *
 * Copyright (C) 2023 FIOT Dev Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

/**
 * Class which represents the RPI (Raspberry Pi) microcomputer.
 *
 * @author Dymik739
 * @since 0.3
 */
public class RPI extends Appliance {
    /** Contains current power draw from the power supply. */
    private float power = 15.0f;

    /**
     * Defines the delay after the startup when the power usage starts to drop
     * to it's lowest value.
     */
    private float postBootDecreaseIn = 10.0f;

    /**
     * Constructor for this class.
     *
     * @param plugged sets the power state on the beginning
     */
    public RPI(boolean plugged) {
        super(plugged);
        super.setType("RPI");
    }

    /**
     * Method which is used to simulate the device's behaviour.
     * The device draws it's maximum power for postBootDecreaseIn
     * seconds and gradually drops to it's lowest level, after that
     * it always stays on the lowest power usage level until a
     * reboot happens.
     *
     * @param seconds delta time to simulate for
     * @param ventRPM air flow generated by the vent
     */
    public void step(float seconds, float ventRPM) {
        postBootDecreaseIn -= seconds;

        if ((postBootDecreaseIn <= 0) && (power >= 5.0)) {
            power -= seconds;
        }

        if (power < 5.0) {
            power = 5.0f;
        }
    }

    /**
     * Custom method for unplugging the device.
     * Adds the automatic resetting to the default values right after
     * turning the device off.
     */
    @Override
    public void unplug() {
        super.unplug();

        power = 15f;
        postBootDecreaseIn = 10f;
    }

    /**
     * Method for getting the power draw of this device.
     *
     * @return current power consumption
     */
    public float getPowerConsumption() {
        if (super.getPowerState()) {
            return power;
        } else {
            return 0f;
        }
    }

    /**
     * Method for printing this devices' object in a nice way.
     *
     * @return String containing text description of this devices' state
     */
    @Override
    public String toString() {
        return String.format("RPI(%s, %4.1fW)",
                super.getPowerState() ? "on" : "off", getPowerConsumption());
    }
}