/*
 * Copyright (c) 2016, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.car.hvac.controllers;

import com.android.car.hvac.HvacController;
import com.android.car.hvac.ui.SeatWarmerButton;

/**
 * A controller to handle changes in the heated seat levels.
 */
public class SeatWarmerController {
    private final SeatWarmerButton mPassengerSeatButton;
    private final SeatWarmerButton mDriverSeatButton;

    private final HvacController mHvacController;

    public SeatWarmerController(SeatWarmerButton passengerSeatButton,
            SeatWarmerButton driverSeatButton, HvacController hvacController) {
        mDriverSeatButton = driverSeatButton;
        mPassengerSeatButton = passengerSeatButton;

        mHvacController = hvacController;
        mHvacController.registerCallback(mCallback);

        mPassengerSeatButton.setSeatWarmerClickListener(mPassengerSeatListener);
        mDriverSeatButton.setSeatWarmerClickListener(mDriverSeatListener);
    }

    private final HvacController.Callback mCallback = new HvacController.Callback() {
        @Override
        public void onPassengerSeatWarmerChange(int level) {
            // If the value of the heating is less than HEAT_OFF, it means the seats are
            // being cooled, show heated seat button as off.
            if (level < SeatWarmerButton.HEAT_OFF) {
                mPassengerSeatButton.setHeatLevel(SeatWarmerButton.HEAT_OFF);
            } else {
                mPassengerSeatButton.setHeatLevel(level);
            }
        }

        @Override
        public void onDriverSeatWarmerChange(int level) {
            // If the value of the heating is less than HEAT_OFF, it means the seats are
            // being cooled, show heated seat button as off.
            if (level < SeatWarmerButton.HEAT_OFF) {
                mDriverSeatButton.setHeatLevel(SeatWarmerButton.HEAT_OFF);
            } else {
                mDriverSeatButton.setHeatLevel(level);
            }
        }
    };

    private final SeatWarmerButton.SeatWarmerButtonClickListener mPassengerSeatListener
            = new SeatWarmerButton.SeatWarmerButtonClickListener() {
        @Override
        public void onSeatWarmerButtonClicked(@SeatWarmerButton.HeatingLevel int level) {
            mHvacController.setPassengerSeatWarmerLevel(level);
        }
    };

    private final SeatWarmerButton.SeatWarmerButtonClickListener mDriverSeatListener
            = new SeatWarmerButton.SeatWarmerButtonClickListener() {
        @Override
        public void onSeatWarmerButtonClicked(@SeatWarmerButton.HeatingLevel int level) {
            mHvacController.setDriverSeatWarmerLevel(level);
        }
    };
}