/*
 * Copyright 2014 - 2016 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BitUtil;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;

import java.net.SocketAddress;
import java.util.regex.Pattern;

public class MiniFinderProtocolDecoder extends BaseProtocolDecoder {

    public MiniFinderProtocolDecoder(MiniFinderProtocol protocol) {
        super(protocol);
    }

    private static final Pattern PATTERN = new PatternBuilder()
            .expression("![A-D],")
            .number("(d+)/(d+)/(d+),")           // date
            .number("(d+):(d+):(d+),")           // time
            .number("(-?d+.d+),")                // latitude
            .number("(-?d+.d+),")                // longitude
            .number("(d+.?d*),")                 // speed
            .number("(d+.?d*),")                 // course
            .groupBegin()
            .number("(x+),")                     // flags
            .number("(-?d+.d+),")                // altitude
            .number("(d+),")                     // battery
            .number("(d+),")                     // satellites in use
            .number("(d+),")                     // satellites in view
            .text("0")
            .or()
            .any()
            .groupEnd()
            .compile();

    @Override
    protected Object decode(
            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

        String sentence = (String) msg;

        if (sentence.startsWith("!1")) {

            getDeviceSession(channel, remoteAddress, sentence.substring(3, sentence.length()));

        } else if (sentence.matches("![A-D].*")) {

            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
            if (deviceSession == null) {
                return null;
            }

            Parser parser = new Parser(PATTERN, sentence);
            if (!parser.matches()) {
                return null;
            }

            Position position = new Position();
            position.setProtocol(getProtocolName());
            position.setDeviceId(deviceSession.getDeviceId());

            DateBuilder dateBuilder = new DateBuilder()
                    .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
                    .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
            position.setTime(dateBuilder.getDate());

            position.setLatitude(parser.nextDouble());
            position.setLongitude(parser.nextDouble());
            position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));

            position.setCourse(parser.nextDouble());
            if (position.getCourse() > 360) {
                position.setCourse(0);
            }

            if (parser.hasNext(5)) {

                int flags = parser.nextInt(16);

                position.setValid(BitUtil.check(flags, 0));

                if (BitUtil.check(flags, 2)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_FAULT);
                }
                if (BitUtil.check(flags, 6)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_SOS);
                }
                if (BitUtil.check(flags, 7)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
                }
                if (BitUtil.check(flags, 8)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_FALL_DOWN);
                }
                if (BitUtil.check(flags, 12)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
                }
                if (BitUtil.check(flags, 15) || BitUtil.check(flags, 14)) {
                    position.set(Position.KEY_ALARM, Position.ALARM_MOVEMENT);
                }

                position.set(Position.KEY_GSM, BitUtil.between(flags, 16, 20));

                position.setAltitude(parser.nextDouble());

                position.set(Position.KEY_BATTERY, parser.next());
                position.set(Position.KEY_SATELLITES, parser.next());

            }

            return position;

        }

        return null;
    }

}

@@ -4312,32 +4312,232 @@
               %7D%0A
+                if (BitUtil.check(flags, 9) %7C%7C BitUtil.check(flags, 10) %7C%7C BitUtil.check(flags, 11)) %7B%0A                    position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE);%0A                %7D%0A
                 
@@ -4917,24 +4917,101 @@
 s, 16, 20));
+%0A                position.set(Position.KEY_CHARGE, BitUtil.check(flags, 22));
 %0A%0A          

Implement missing MiniFinder alarms