/*
 * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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.traccar.StringProtocolEncoder;
import org.traccar.model.Command;

public class Gps103ProtocolEncoder extends StringProtocolEncoder implements StringProtocolEncoder.ValueFormatter {

    @Override
    public String formatValue(String key, Object value) {

        if (key.equals(Command.KEY_FREQUENCY)) {
            long frequency = (Long) value;
            if (frequency / 60 / 60 > 0) {
                return String.format("%02dh", frequency / 60 / 60);
            } else if (frequency / 60 > 0) {
                return String.format("%02dm", frequency / 60);
            } else {
                return String.format("%02ds", frequency);
            }
        }

        return null;
    }

    @Override
    protected Object encodeCommand(Command command) {
        
        switch (command.getType()) {
            case Command.TYPE_POSITION_STOP:
                return formatCommand(command, "**,{%s},A;", Command.KEY_UNIQUE_ID);
            case Command.TYPE_POSITION_FIX:
                return formatCommand(command, "**,{%s},C,{%s};", this, Command.KEY_UNIQUE_ID, Command.KEY_FREQUENCY);
            case Command.TYPE_ENGINE_STOP:
                return formatCommand(command, "**,{%s},J;", Command.KEY_UNIQUE_ID);
            case Command.TYPE_ENGINE_RESUME:
                return formatCommand(command, "**,{%s},K;", Command.KEY_UNIQUE_ID);
        }
        
        return null;
    }

}

@@ -1563,24 +1563,29 @@
 ommand, %22**,
+imei:
 %7B%25s%7D,A;%22, Co
@@ -1696,24 +1696,29 @@
 ommand, %22**,
+imei:
 %7B%25s%7D,C,%7B%25s%7D;
@@ -1862,24 +1862,29 @@
 ommand, %22**,
+imei:
 %7B%25s%7D,J;%22, Co
@@ -2000,16 +2000,21 @@
 nd, %22**,
+imei:
 %7B%25s%7D,K;%22

Return imei back to GPS103