/**
 * Copyright (c) 2010-2020 Contributors to the openHAB project
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package org.openhab.binding.homematic.internal.communicator.virtual;

import static org.openhab.binding.homematic.internal.misc.HomematicConstants.VIRTUAL_DATAPOINT_NAME_RELOAD_FROM_GATEWAY;

import java.io.IOException;

import org.openhab.binding.homematic.internal.communicator.AbstractHomematicGateway;
import org.openhab.binding.homematic.internal.misc.HomematicClientException;
import org.openhab.binding.homematic.internal.misc.MiscUtils;
import org.openhab.binding.homematic.internal.model.HmDatapoint;
import org.openhab.binding.homematic.internal.model.HmDatapointConfig;
import org.openhab.binding.homematic.internal.model.HmDevice;
import org.openhab.binding.homematic.internal.model.HmValueType;

/**
 * A virtual Switch datapoint which reloads all device values from the gateway.
 *
 * @author Gerhard Riegler - Initial contribution
 */
public class ReloadFromGatewayVirtualDatapointHandler extends AbstractVirtualDatapointHandler {
    @Override
    public String getName() {
        return VIRTUAL_DATAPOINT_NAME_RELOAD_FROM_GATEWAY;
    }

    @Override
    public void initialize(HmDevice device) {
        addDatapoint(device, 0, getName(), HmValueType.BOOL, Boolean.FALSE, false);
    }

    @Override
    public boolean canHandleCommand(HmDatapoint dp, Object value) {
        return getName().equals(dp.getName());
    }

    @Override
    public void handleCommand(VirtualGateway gateway, HmDatapoint dp, HmDatapointConfig dpConfig, Object value)
            throws IOException, HomematicClientException {
        dp.setValue(value);
        if (MiscUtils.isTrueValue(dp.getValue())) {
            try {
                gateway.triggerDeviceValuesReload(dp.getChannel().getDevice());
            } finally {
                gateway.disableDatapoint(dp, AbstractHomematicGateway.DEFAULT_DISABLE_DELAY);
            }
        }
    }
}
