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   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.lifx.internal.handler;
  14
  15 import static org.openhab.binding.lifx.internal.LifxBindingConstants.*;
  16 import static org.openhab.binding.lifx.internal.LifxProduct.Feature.*;
  17 import static org.openhab.binding.lifx.internal.util.LifxMessageUtil.*;
  18
  19 import java.net.InetSocketAddress;
  20 import java.time.Duration;
  21 import java.time.LocalDateTime;
  22 import java.util.ArrayList;
  23 import java.util.Arrays;
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.concurrent.locks.ReentrantLock;
  28
  29 import org.eclipse.jdt.annotation.NonNullByDefault;
  30 import org.eclipse.jdt.annotation.Nullable;
  31 import org.openhab.binding.lifx.internal.LifxBindingConstants;
  32 import org.openhab.binding.lifx.internal.LifxChannelFactory;
  33 import org.openhab.binding.lifx.internal.LifxLightCommunicationHandler;
  34 import org.openhab.binding.lifx.internal.LifxLightConfig;
  35 import org.openhab.binding.lifx.internal.LifxLightContext;
  36 import org.openhab.binding.lifx.internal.LifxLightCurrentStateUpdater;
  37 import org.openhab.binding.lifx.internal.LifxLightOnlineStateUpdater;
  38 import org.openhab.binding.lifx.internal.LifxLightPropertiesUpdater;
  39 import org.openhab.binding.lifx.internal.LifxLightState;
  40 import org.openhab.binding.lifx.internal.LifxLightStateChanger;
  41 import org.openhab.binding.lifx.internal.LifxProduct;
  42 import org.openhab.binding.lifx.internal.dto.Effect;
  43 import org.openhab.binding.lifx.internal.dto.GetLightInfraredRequest;
  44 import org.openhab.binding.lifx.internal.dto.GetLightPowerRequest;
  45 import org.openhab.binding.lifx.internal.dto.GetRequest;
  46 import org.openhab.binding.lifx.internal.dto.GetTileEffectRequest;
  47 import org.openhab.binding.lifx.internal.dto.GetWifiInfoRequest;
  48 import org.openhab.binding.lifx.internal.dto.Packet;
  49 import org.openhab.binding.lifx.internal.dto.PowerState;
  50 import org.openhab.binding.lifx.internal.dto.SignalStrength;
  51 import org.openhab.binding.lifx.internal.fields.HSBK;
  52 import org.openhab.binding.lifx.internal.fields.MACAddress;
  53 import org.openhab.core.config.core.Configuration;
  54 import org.openhab.core.library.types.DecimalType;
  55 import org.openhab.core.library.types.HSBType;
  56 import org.openhab.core.library.types.IncreaseDecreaseType;
  57 import org.openhab.core.library.types.OnOffType;
  58 import org.openhab.core.library.types.PercentType;
  59 import org.openhab.core.library.types.StringType;
  60 import org.openhab.core.thing.Channel;
  61 import org.openhab.core.thing.ChannelUID;
  62 import org.openhab.core.thing.Thing;
  63 import org.openhab.core.thing.ThingStatus;
  64 import org.openhab.core.thing.ThingStatusDetail;
  65 import org.openhab.core.thing.ThingStatusInfo;
  66 import org.openhab.core.thing.binding.BaseThingHandler;
  67 import org.openhab.core.types.Command;
  68 import org.openhab.core.types.RefreshType;
  69 import org.openhab.core.types.State;
  70 import org.slf4j.Logger;
  71 import org.slf4j.LoggerFactory;
  72
  73 /**
  74  * The {@link LifxLightHandler} is responsible for handling commands, which are
  75  * sent to one of the light channels.
  76  *
  77  * @author Dennis Nobel - Initial contribution
  78  * @author Stefan Bußweiler - Added new thing status handling
  79  * @author Karel Goderis - Rewrite for Firmware V2, and remove dependency on external libraries
  80  * @author Kai Kreuzer - Added configurable transition time and small fixes
  81  * @author Wouter Born - Decomposed class into separate objects
  82  * @author Pauli Anttila - Added power on temperature and color features.
  83  */
  84 @NonNullByDefault
  85 public class LifxLightHandler extends BaseThingHandler {
  86
  87     private final Logger logger = LoggerFactory.getLogger(LifxLightHandler.class);
  88
  89     private static final Duration MIN_STATUS_INFO_UPDATE_INTERVAL = Duration.ofSeconds(1);
  90     private static final Duration MAX_STATE_CHANGE_DURATION = Duration.ofSeconds(4);
  91
  92     private final LifxChannelFactory channelFactory;
  93     private @NonNullByDefault({}) LifxProduct product;
  94
  95     private @Nullable PercentType powerOnBrightness;
  96     private @Nullable HSBType powerOnColor;
  97     private @Nullable PercentType powerOnTemperature;
  98     private Double effectMorphSpeed = 3.0;
  99     private Double effectFlameSpeed = 4.0;
 100
 101     private @NonNullByDefault({}) String logId;
 102
 103     private final ReentrantLock lock = new ReentrantLock();
 104
 105     private @NonNullByDefault({}) CurrentLightState currentLightState;
 106     private @NonNullByDefault({}) LifxLightState pendingLightState;
 107
 108     private Map<String, @Nullable State> channelStates = new HashMap<>();
 109     private @Nullable ThingStatusInfo statusInfo;
 110     private LocalDateTime lastStatusInfoUpdate = LocalDateTime.MIN;
 111
 112     private @NonNullByDefault({}) LifxLightCommunicationHandler communicationHandler;
 113     private @NonNullByDefault({}) LifxLightCurrentStateUpdater currentStateUpdater;
 114     private @NonNullByDefault({}) LifxLightStateChanger lightStateChanger;
 115     private @NonNullByDefault({}) LifxLightOnlineStateUpdater onlineStateUpdater;
 116     private @NonNullByDefault({}) LifxLightPropertiesUpdater propertiesUpdater;
 117
 118     public class CurrentLightState extends LifxLightState {
 119
 120         public boolean isOnline() {
 121             return thing.getStatus() == ThingStatus.ONLINE;
 122         }
 123
 124         public boolean isOffline() {
 125             return thing.getStatus() == ThingStatus.OFFLINE;
 126         }
 127
 128         public void setOnline() {
 129             updateStatusIfChanged(ThingStatus.ONLINE);
 130         }
 131
 132         public void setOnline(MACAddress macAddress) {
 133             updateStatusIfChanged(ThingStatus.ONLINE);
 134             Configuration configuration = editConfiguration();
 135             configuration.put(LifxBindingConstants.CONFIG_PROPERTY_DEVICE_ID, macAddress.getAsLabel());
 136             updateConfiguration(configuration);
 137         }
 138
 139         public void setOffline() {
 140             updateStatusIfChanged(ThingStatus.OFFLINE);
 141         }
 142
 143         public void setOfflineByCommunicationError() {
 144             updateStatusIfChanged(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR);
 145         }
 146
 147         @Override
 148         public void setColors(HSBK[] colors) {
 149             if (!isStateChangePending() || isPendingColorStateChangesApplied(getPowerState(), colors)) {
 150                 PowerState powerState = isStateChangePending() ? pendingLightState.getPowerState() : getPowerState();
 151                 updateColorChannels(powerState, colors);
 152             }
 153             super.setColors(colors);
 154         }
 155
 156         @Override
 157         public void setPowerState(PowerState powerState) {
 158             if (!isStateChangePending() || isPendingColorStateChangesApplied(powerState, getColors())) {
 159                 HSBK[] colors = isStateChangePending() ? pendingLightState.getColors() : getColors();
 160                 updateColorChannels(powerState, colors);
 161             }
 162             super.setPowerState(powerState);
 163         }
 164
 165         private boolean isPendingColorStateChangesApplied(@Nullable PowerState powerState, HSBK[] colors) {
 166             return powerState != null && powerState.equals(pendingLightState.getPowerState())
 167                     && Arrays.equals(colors, pendingLightState.getColors());
 168         }
 169
 170         private void updateColorChannels(@Nullable PowerState powerState, HSBK[] colors) {
 171             HSBK color = colors.length > 0 ? colors[0] : null;
 172             HSBK updateColor = nullSafeUpdateColor(powerState, color);
 173             HSBType hsb = updateColor.getHSB();
 174
 175             updateStateIfChanged(CHANNEL_COLOR, hsb);
 176             updateStateIfChanged(CHANNEL_BRIGHTNESS, hsb.getBrightness());
 177             updateStateIfChanged(CHANNEL_TEMPERATURE,
 178                     kelvinToPercentType(updateColor.getKelvin(), product.getTemperatureRange()));
 179
 180             updateZoneChannels(powerState, colors);
 181         }
 182
 183         private HSBK nullSafeUpdateColor(@Nullable PowerState powerState, @Nullable HSBK color) {
 184             HSBK updateColor = color != null ? color : DEFAULT_COLOR;
 185             if (powerState == PowerState.OFF) {
 186                 updateColor = new HSBK(updateColor);
 187                 updateColor.setBrightness(PercentType.ZERO);
 188             }
 189             return updateColor;
 190         }
 191
 192         @Override
 193         public void setInfrared(PercentType infrared) {
 194             if (!isStateChangePending() || infrared.equals(pendingLightState.getInfrared())) {
 195                 updateStateIfChanged(CHANNEL_INFRARED, infrared);
 196             }
 197             super.setInfrared(infrared);
 198         }
 199
 200         @Override
 201         public void setSignalStrength(SignalStrength signalStrength) {
 202             updateStateIfChanged(CHANNEL_SIGNAL_STRENGTH, new DecimalType(signalStrength.toQualityRating()));
 203             super.setSignalStrength(signalStrength);
 204         }
 205
 206         @Override
 207         public void setTileEffect(Effect effect) {
 208             updateStateIfChanged(CHANNEL_EFFECT, new StringType(effect.getType().stringValue()));
 209             super.setTileEffect(effect);
 210         }
 211
 212         private void updateZoneChannels(@Nullable PowerState powerState, HSBK[] colors) {
 213             if (!product.hasFeature(MULTIZONE) || colors.length == 0) {
 214                 return;
 215             }
 216
 217             int oldZones = getColors().length;
 218             int newZones = colors.length;
 219             if (oldZones != newZones) {
 220                 addRemoveZoneChannels(newZones);
 221             }
 222
 223             for (int i = 0; i < colors.length; i++) {
 224                 HSBK color = colors[i];
 225                 HSBK updateColor = nullSafeUpdateColor(powerState, color);
 226                 updateStateIfChanged(CHANNEL_COLOR_ZONE + i, updateColor.getHSB());
 227                 updateStateIfChanged(CHANNEL_TEMPERATURE_ZONE + i,
 228                         kelvinToPercentType(updateColor.getKelvin(), product.getTemperatureRange()));
 229             }
 230         }
 231     }
 232
 233     public LifxLightHandler(Thing thing, LifxChannelFactory channelFactory) {
 234         super(thing);
 235         this.channelFactory = channelFactory;
 236     }
 237
 238     @Override
 239     public void initialize() {
 240         try {
 241             lock.lock();
 242
 243             LifxLightConfig configuration = getConfigAs(LifxLightConfig.class);
 244
 245             logId = getLogId(configuration.getMACAddress(), configuration.getHost());
 246             product = getProduct();
 247
 248             logger.debug("{} : Initializing handler for product {}", logId, product.getName());
 249
 250             powerOnBrightness = getPowerOnBrightness();
 251             powerOnColor = getPowerOnColor();
 252             powerOnTemperature = getPowerOnTemperature();
 253             Double speed = getEffectSpeed(LifxBindingConstants.CONFIG_PROPERTY_EFFECT_MORPH_SPEED);
 254             if (speed != null) {
 255                 effectMorphSpeed = speed;
 256             }
 257             speed = getEffectSpeed(LifxBindingConstants.CONFIG_PROPERTY_EFFECT_FLAME_SPEED);
 258             if (speed != null) {
 259                 effectFlameSpeed = speed;
 260             }
 261             channelStates.clear();
 262             currentLightState = new CurrentLightState();
 263             pendingLightState = new LifxLightState();
 264
 265             LifxLightContext context = new LifxLightContext(logId, product, configuration, currentLightState,
 266                     pendingLightState, scheduler);
 267
 268             communicationHandler = new LifxLightCommunicationHandler(context);
 269             currentStateUpdater = new LifxLightCurrentStateUpdater(context, communicationHandler);
 270             onlineStateUpdater = new LifxLightOnlineStateUpdater(context, communicationHandler);
 271             propertiesUpdater = new LifxLightPropertiesUpdater(context, communicationHandler);
 272             propertiesUpdater.addPropertiesUpdateListener(this::updateProperties);
 273             lightStateChanger = new LifxLightStateChanger(context, communicationHandler);
 274
 275             if (configuration.getMACAddress() != null || configuration.getHost() != null) {
 276                 communicationHandler.start();
 277                 currentStateUpdater.start();
 278                 onlineStateUpdater.start();
 279                 propertiesUpdater.start();
 280                 lightStateChanger.start();
 281                 startOrStopSignalStrengthUpdates();
 282             } else {
 283                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 284                         "Configure a Device ID or Host");
 285             }
 286         } catch (Exception e) {
 287             logger.debug("{} : Error occurred while initializing handler: {}", logId, e.getMessage(), e);
 288             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, e.getMessage());
 289         } finally {
 290             lock.unlock();
 291         }
 292     }
 293
 294     @Override
 295     public void dispose() {
 296         try {
 297             lock.lock();
 298
 299             logger.debug("{} : Disposing handler", logId);
 300
 301             if (communicationHandler != null) {
 302                 communicationHandler.stop();
 303                 communicationHandler = null;
 304             }
 305
 306             if (currentStateUpdater != null) {
 307                 currentStateUpdater.stop();
 308                 currentStateUpdater = null;
 309             }
 310
 311             if (onlineStateUpdater != null) {
 312                 onlineStateUpdater.stop();
 313                 onlineStateUpdater = null;
 314             }
 315
 316             if (propertiesUpdater != null) {
 317                 propertiesUpdater.stop();
 318                 propertiesUpdater.removePropertiesUpdateListener(this::updateProperties);
 319                 propertiesUpdater = null;
 320             }
 321
 322             if (lightStateChanger != null) {
 323                 lightStateChanger.stop();
 324                 lightStateChanger = null;
 325             }
 326
 327             currentLightState = null;
 328             pendingLightState = null;
 329         } finally {
 330             lock.unlock();
 331         }
 332     }
 333
 334     public String getLogId(@Nullable MACAddress macAddress, @Nullable InetSocketAddress host) {
 335         return (macAddress != null ? macAddress.getHex() : (host != null ? host.getHostString() : "Unknown"));
 336     }
 337
 338     private @Nullable PercentType getPowerOnBrightness() {
 339         Channel channel = null;
 340
 341         if (product.hasFeature(COLOR)) {
 342             ChannelUID channelUID = new ChannelUID(getThing().getUID(), LifxBindingConstants.CHANNEL_COLOR);
 343             channel = getThing().getChannel(channelUID.getId());
 344         } else {
 345             ChannelUID channelUID = new ChannelUID(getThing().getUID(), LifxBindingConstants.CHANNEL_BRIGHTNESS);
 346             channel = getThing().getChannel(channelUID.getId());
 347         }
 348
 349         if (channel == null) {
 350             return null;
 351         }
 352
 353         Configuration configuration = channel.getConfiguration();
 354         Object powerOnBrightness = configuration.get(LifxBindingConstants.CONFIG_PROPERTY_POWER_ON_BRIGHTNESS);
 355         return powerOnBrightness == null ? null : new PercentType(powerOnBrightness.toString());
 356     }
 357
 358     private @Nullable HSBType getPowerOnColor() {
 359         Channel channel = null;
 360
 361         if (product.hasFeature(COLOR)) {
 362             ChannelUID channelUID = new ChannelUID(getThing().getUID(), LifxBindingConstants.CHANNEL_COLOR);
 363             channel = getThing().getChannel(channelUID.getId());
 364         }
 365
 366         if (channel == null) {
 367             return null;
 368         }
 369
 370         Configuration configuration = channel.getConfiguration();
 371         Object powerOnColor = configuration.get(LifxBindingConstants.CONFIG_PROPERTY_POWER_ON_COLOR);
 372         return powerOnColor == null ? null : new HSBType(powerOnColor.toString());
 373     }
 374
 375     private @Nullable PercentType getPowerOnTemperature() {
 376         ChannelUID channelUID = new ChannelUID(getThing().getUID(), LifxBindingConstants.CHANNEL_TEMPERATURE);
 377         Channel channel = getThing().getChannel(channelUID.getId());
 378
 379         if (channel == null) {
 380             return null;
 381         }
 382
 383         Configuration configuration = channel.getConfiguration();
 384         Object powerOnTemperature = configuration.get(LifxBindingConstants.CONFIG_PROPERTY_POWER_ON_TEMPERATURE);
 385         if (powerOnTemperature != null) {
 386             return new PercentType(powerOnTemperature.toString());
 387         }
 388         return null;
 389     }
 390
 391     private @Nullable Double getEffectSpeed(String parameter) {
 392         Channel channel = null;
 393
 394         if (product.hasFeature(TILE_EFFECT)) {
 395             ChannelUID channelUID = new ChannelUID(getThing().getUID(), LifxBindingConstants.CHANNEL_EFFECT);
 396             channel = getThing().getChannel(channelUID.getId());
 397         }
 398
 399         if (channel == null) {
 400             return null;
 401         }
 402
 403         Configuration configuration = channel.getConfiguration();
 404         Object speed = configuration.get(parameter);
 405         return speed == null ? null : new Double(speed.toString());
 406     }
 407
 408     private LifxProduct getProduct() {
 409         Object propertyValue = getThing().getProperties().get(LifxBindingConstants.PROPERTY_PRODUCT_ID);
 410         if (propertyValue == null) {
 411             return LifxProduct.getLikelyProduct(getThing().getThingTypeUID());
 412         }
 413         try {
 414             // Without first conversion to double, on a very first thing creation from discovery inbox,
 415             // the product type is incorrectly parsed, as framework passed it as a floating point number
 416             // (e.g. 50.0 instead of 50)
 417             Double d = Double.parseDouble((String) propertyValue);
 418             long productID = d.longValue();
 419             return LifxProduct.getProductFromProductID(productID);
 420         } catch (IllegalArgumentException e) {
 421             return LifxProduct.getLikelyProduct(getThing().getThingTypeUID());
 422         }
 423     }
 424
 425     private void addRemoveZoneChannels(int zones) {
 426         List<Channel> newChannels = new ArrayList<>();
 427
 428         // retain non-zone channels
 429         for (Channel channel : getThing().getChannels()) {
 430             String channelId = channel.getUID().getId();
 431             if (!channelId.startsWith(CHANNEL_COLOR_ZONE) && !channelId.startsWith(CHANNEL_TEMPERATURE_ZONE)) {
 432                 newChannels.add(channel);
 433             }
 434         }
 435
 436         // add zone channels
 437         for (int i = 0; i < zones; i++) {
 438             newChannels.add(channelFactory.createColorZoneChannel(getThing().getUID(), i));
 439             newChannels.add(channelFactory.createTemperatureZoneChannel(getThing().getUID(), i));
 440         }
 441
 442         updateThing(editThing().withChannels(newChannels).build());
 443
 444         Map<String, String> properties = editProperties();
 445         properties.put(LifxBindingConstants.PROPERTY_ZONES, Integer.toString(zones));
 446         updateProperties(properties);
 447     }
 448
 449     @Override
 450     public void channelLinked(ChannelUID channelUID) {
 451         super.channelLinked(channelUID);
 452         startOrStopSignalStrengthUpdates();
 453     }
 454
 455     @Override
 456     public void channelUnlinked(ChannelUID channelUID) {
 457         startOrStopSignalStrengthUpdates();
 458     }
 459
 460     private void startOrStopSignalStrengthUpdates() {
 461         currentStateUpdater.setUpdateSignalStrength(isLinked(CHANNEL_SIGNAL_STRENGTH));
 462     }
 463
 464     private void sendPacket(Packet packet) {
 465         communicationHandler.sendPacket(packet);
 466     }
 467
 468     @Override
 469     public void handleCommand(ChannelUID channelUID, Command command) {
 470         if (command instanceof RefreshType) {
 471             channelStates.remove(channelUID.getId());
 472             switch (channelUID.getId()) {
 473                 case CHANNEL_COLOR:
 474                 case CHANNEL_BRIGHTNESS:
 475                     sendPacket(new GetLightPowerRequest());
 476                     sendPacket(new GetRequest());
 477                     break;
 478                 case CHANNEL_TEMPERATURE:
 479                     sendPacket(new GetRequest());
 480                     break;
 481                 case CHANNEL_INFRARED:
 482                     sendPacket(new GetLightInfraredRequest());
 483                     break;
 484                 case CHANNEL_SIGNAL_STRENGTH:
 485                     sendPacket(new GetWifiInfoRequest());
 486                     break;
 487                 case CHANNEL_EFFECT:
 488                     if (product.hasFeature(TILE_EFFECT)) {
 489                         sendPacket(new GetTileEffectRequest());
 490                     }
 491                     break;
 492                 default:
 493                     break;
 494             }
 495         } else {
 496             boolean supportedCommand = true;
 497             switch (channelUID.getId()) {
 498                 case CHANNEL_COLOR:
 499                     if (command instanceof HSBType) {
 500                         handleHSBCommand((HSBType) command);
 501                     } else if (command instanceof PercentType) {
 502                         handlePercentCommand((PercentType) command);
 503                     } else if (command instanceof OnOffType) {
 504                         handleOnOffCommand((OnOffType) command);
 505                     } else if (command instanceof IncreaseDecreaseType) {
 506                         handleIncreaseDecreaseCommand((IncreaseDecreaseType) command);
 507                     } else {
 508                         supportedCommand = false;
 509                     }
 510                     break;
 511                 case CHANNEL_BRIGHTNESS:
 512                     if (command instanceof PercentType) {
 513                         handlePercentCommand((PercentType) command);
 514                     } else if (command instanceof OnOffType) {
 515                         handleOnOffCommand((OnOffType) command);
 516                     } else if (command instanceof IncreaseDecreaseType) {
 517                         handleIncreaseDecreaseCommand((IncreaseDecreaseType) command);
 518                     } else {
 519                         supportedCommand = false;
 520                     }
 521                     break;
 522                 case CHANNEL_TEMPERATURE:
 523                     if (command instanceof PercentType) {
 524                         handleTemperatureCommand((PercentType) command);
 525                     } else if (command instanceof IncreaseDecreaseType) {
 526                         handleIncreaseDecreaseTemperatureCommand((IncreaseDecreaseType) command);
 527                     } else {
 528                         supportedCommand = false;
 529                     }
 530                     break;
 531                 case CHANNEL_INFRARED:
 532                     if (command instanceof PercentType) {
 533                         handleInfraredCommand((PercentType) command);
 534                     } else if (command instanceof IncreaseDecreaseType) {
 535                         handleIncreaseDecreaseInfraredCommand((IncreaseDecreaseType) command);
 536                     } else {
 537                         supportedCommand = false;
 538                     }
 539                     break;
 540                 case CHANNEL_EFFECT:
 541                     if (command instanceof StringType && product.hasFeature(TILE_EFFECT)) {
 542                         handleTileEffectCommand((StringType) command);
 543                     } else {
 544                         supportedCommand = false;
 545                     }
 546                     break;
 547                 default:
 548                     try {
 549                         if (channelUID.getId().startsWith(CHANNEL_COLOR_ZONE)) {
 550                             int zoneIndex = Integer.parseInt(channelUID.getId().replace(CHANNEL_COLOR_ZONE, ""));
 551                             if (command instanceof HSBType) {
 552                                 handleHSBCommand((HSBType) command, zoneIndex);
 553                             } else if (command instanceof PercentType) {
 554                                 handlePercentCommand((PercentType) command, zoneIndex);
 555                             } else if (command instanceof IncreaseDecreaseType) {
 556                                 handleIncreaseDecreaseCommand((IncreaseDecreaseType) command, zoneIndex);
 557                             } else {
 558                                 supportedCommand = false;
 559                             }
 560                         } else if (channelUID.getId().startsWith(CHANNEL_TEMPERATURE_ZONE)) {
 561                             int zoneIndex = Integer.parseInt(channelUID.getId().replace(CHANNEL_TEMPERATURE_ZONE, ""));
 562                             if (command instanceof PercentType) {
 563                                 handleTemperatureCommand((PercentType) command, zoneIndex);
 564                             } else if (command instanceof IncreaseDecreaseType) {
 565                                 handleIncreaseDecreaseTemperatureCommand((IncreaseDecreaseType) command, zoneIndex);
 566                             } else {
 567                                 supportedCommand = false;
 568                             }
 569                         } else {
 570                             supportedCommand = false;
 571                         }
 572                     } catch (NumberFormatException e) {
 573                         logger.error("Failed to parse zone index for a command of a light ({}) : {}", logId,
 574                                 e.getMessage());
 575                         supportedCommand = false;
 576                     }
 577                     break;
 578             }
 579
 580             if (supportedCommand && !(command instanceof OnOffType) && !CHANNEL_INFRARED.equals(channelUID.getId())) {
 581                 getLightStateForCommand().setPowerState(PowerState.ON);
 582             }
 583         }
 584     }
 585
 586     private LifxLightState getLightStateForCommand() {
 587         if (!isStateChangePending()) {
 588             pendingLightState.copy(currentLightState);
 589         }
 590         return pendingLightState;
 591     }
 592
 593     private boolean isStateChangePending() {
 594         return pendingLightState.getDurationSinceLastChange().minus(MAX_STATE_CHANGE_DURATION).isNegative();
 595     }
 596
 597     private void handleTemperatureCommand(PercentType temperature) {
 598         HSBK newColor = getLightStateForCommand().getColor();
 599         newColor.setSaturation(PercentType.ZERO);
 600         newColor.setKelvin(percentTypeToKelvin(temperature, product.getTemperatureRange()));
 601         getLightStateForCommand().setColor(newColor);
 602     }
 603
 604     private void handleTemperatureCommand(PercentType temperature, int zoneIndex) {
 605         HSBK newColor = getLightStateForCommand().getColor(zoneIndex);
 606         newColor.setSaturation(PercentType.ZERO);
 607         newColor.setKelvin(percentTypeToKelvin(temperature, product.getTemperatureRange()));
 608         getLightStateForCommand().setColor(newColor, zoneIndex);
 609     }
 610
 611     private void handleHSBCommand(HSBType hsb) {
 612         getLightStateForCommand().setColor(hsb);
 613     }
 614
 615     private void handleHSBCommand(HSBType hsb, int zoneIndex) {
 616         getLightStateForCommand().setColor(hsb, zoneIndex);
 617     }
 618
 619     private void handlePercentCommand(PercentType brightness) {
 620         getLightStateForCommand().setBrightness(brightness);
 621     }
 622
 623     private void handlePercentCommand(PercentType brightness, int zoneIndex) {
 624         getLightStateForCommand().setBrightness(brightness, zoneIndex);
 625     }
 626
 627     private void handleOnOffCommand(OnOffType onOff) {
 628         HSBType localPowerOnColor = powerOnColor;
 629         if (localPowerOnColor != null && onOff == OnOffType.ON) {
 630             getLightStateForCommand().setColor(localPowerOnColor);
 631         }
 632
 633         PercentType localPowerOnTemperature = powerOnTemperature;
 634         if (localPowerOnTemperature != null && onOff == OnOffType.ON) {
 635             getLightStateForCommand()
 636                     .setTemperature(percentTypeToKelvin(localPowerOnTemperature, product.getTemperatureRange()));
 637         }
 638
 639         PercentType powerOnBrightness = this.powerOnBrightness;
 640         if (powerOnBrightness != null) {
 641             PercentType newBrightness = onOff == OnOffType.ON ? powerOnBrightness : new PercentType(0);
 642             getLightStateForCommand().setBrightness(newBrightness);
 643         }
 644         getLightStateForCommand().setPowerState(onOff);
 645     }
 646
 647     private void handleIncreaseDecreaseCommand(IncreaseDecreaseType increaseDecrease) {
 648         HSBK baseColor = getLightStateForCommand().getColor();
 649         PercentType newBrightness = increaseDecreasePercentType(increaseDecrease, baseColor.getHSB().getBrightness());
 650         handlePercentCommand(newBrightness);
 651     }
 652
 653     private void handleIncreaseDecreaseCommand(IncreaseDecreaseType increaseDecrease, int zoneIndex) {
 654         HSBK baseColor = getLightStateForCommand().getColor(zoneIndex);
 655         PercentType newBrightness = increaseDecreasePercentType(increaseDecrease, baseColor.getHSB().getBrightness());
 656         handlePercentCommand(newBrightness, zoneIndex);
 657     }
 658
 659     private void handleIncreaseDecreaseTemperatureCommand(IncreaseDecreaseType increaseDecrease) {
 660         PercentType baseTemperature = kelvinToPercentType(getLightStateForCommand().getColor().getKelvin(),
 661                 product.getTemperatureRange());
 662         PercentType newTemperature = increaseDecreasePercentType(increaseDecrease, baseTemperature);
 663         handleTemperatureCommand(newTemperature);
 664     }
 665
 666     private void handleIncreaseDecreaseTemperatureCommand(IncreaseDecreaseType increaseDecrease, int zoneIndex) {
 667         PercentType baseTemperature = kelvinToPercentType(getLightStateForCommand().getColor(zoneIndex).getKelvin(),
 668                 product.getTemperatureRange());
 669         PercentType newTemperature = increaseDecreasePercentType(increaseDecrease, baseTemperature);
 670         handleTemperatureCommand(newTemperature, zoneIndex);
 671     }
 672
 673     private void handleInfraredCommand(PercentType infrared) {
 674         getLightStateForCommand().setInfrared(infrared);
 675     }
 676
 677     private void handleIncreaseDecreaseInfraredCommand(IncreaseDecreaseType increaseDecrease) {
 678         PercentType baseInfrared = getLightStateForCommand().getInfrared();
 679         if (baseInfrared != null) {
 680             PercentType newInfrared = increaseDecreasePercentType(increaseDecrease, baseInfrared);
 681             handleInfraredCommand(newInfrared);
 682         }
 683     }
 684
 685     private void handleTileEffectCommand(StringType type) {
 686         logger.debug("handleTileEffectCommand mode={}", type);
 687         Double morphSpeedInMSecs = effectMorphSpeed * 1000.0;
 688         Double flameSpeedInMSecs = effectFlameSpeed * 1000.0;
 689         try {
 690             Effect effect = Effect.createDefault(type.toString(), morphSpeedInMSecs.longValue(),
 691                     flameSpeedInMSecs.longValue());
 692             getLightStateForCommand().setTileEffect(effect);
 693         } catch (IllegalArgumentException e) {
 694             logger.debug("Wrong effect type received as command: {}", type);
 695         }
 696     }
 697
 698     private void updateStateIfChanged(String channel, State newState) {
 699         State oldState = channelStates.get(channel);
 700         if (oldState == null || !oldState.equals(newState)) {
 701             updateState(channel, newState);
 702             channelStates.put(channel, newState);
 703         }
 704     }
 705
 706     private void updateStatusIfChanged(ThingStatus status) {
 707         updateStatusIfChanged(status, ThingStatusDetail.NONE);
 708     }
 709
 710     private void updateStatusIfChanged(ThingStatus status, ThingStatusDetail statusDetail) {
 711         ThingStatusInfo newStatusInfo = new ThingStatusInfo(status, statusDetail, null);
 712         Duration durationSinceLastUpdate = Duration.between(lastStatusInfoUpdate, LocalDateTime.now());
 713         boolean intervalElapsed = MIN_STATUS_INFO_UPDATE_INTERVAL.minus(durationSinceLastUpdate).isNegative();
 714
 715         ThingStatusInfo oldStatusInfo = statusInfo;
 716         if (oldStatusInfo == null || !oldStatusInfo.equals(newStatusInfo) || intervalElapsed) {
 717             statusInfo = newStatusInfo;
 718             lastStatusInfoUpdate = LocalDateTime.now();
 719             updateStatus(status, statusDetail);
 720         }
 721     }
 722 }