/*
 * Copyright 2017 Anton Tananaev (anton@traccar.org)
 *
 * 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 org.traccar.protocol;

import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.traccar.BaseProtocolEncoder;
import org.traccar.helper.Log;
import org.traccar.model.Command;

import javax.xml.bind.DatatypeConverter;
import java.text.SimpleDateFormat;
import java.util.Date;

public class HuabaoProtocolEncoder extends BaseProtocolEncoder {

    @Override
    protected Object encodeCommand(Command command) {

        ChannelBuffer id =  ChannelBuffers.wrappedBuffer(
                DatatypeConverter.parseHexBinary(getUniqueId(command.getDeviceId())));

        ChannelBuffer data = ChannelBuffers.dynamicBuffer();
        byte[] time = DatatypeConverter.parseHexBinary(new SimpleDateFormat("yyMMddHHmmss").format(new Date()));

        switch (command.getType()) {
            case Command.TYPE_ENGINE_STOP:
                data.writeByte(0x01);
                data.writeBytes(time);
                return HuabaoProtocolDecoder.formatMessage(HuabaoProtocolDecoder.MSG_OIL_CONTROL, id, data);
            case Command.TYPE_ENGINE_RESUME:
                data.writeByte(0x00);
                data.writeBytes(time);
                return HuabaoProtocolDecoder.formatMessage(HuabaoProtocolDecoder.MSG_OIL_CONTROL, id, data);
            default:
                Log.warning(new UnsupportedOperationException(command.getType()));
                return null;
        }
    }

}