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   1 /**
   2  * Copyright (c) 2010-2020 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.miio.internal.handler;
  14
  15 import static org.openhab.binding.miio.internal.MiIoBindingConstants.*;
  16
  17 import java.awt.Color;
  18 import java.io.IOException;
  19 import java.net.URL;
  20 import java.util.ArrayList;
  21 import java.util.HashMap;
  22 import java.util.List;
  23 import java.util.Map;
  24 import java.util.concurrent.TimeUnit;
  25
  26 import javax.measure.Unit;
  27 import javax.measure.format.ParserException;
  28
  29 import org.eclipse.jdt.annotation.NonNullByDefault;
  30 import org.eclipse.jdt.annotation.Nullable;
  31 import org.openhab.binding.miio.internal.MiIoBindingConfiguration;
  32 import org.openhab.binding.miio.internal.MiIoCommand;
  33 import org.openhab.binding.miio.internal.MiIoQuantiyTypes;
  34 import org.openhab.binding.miio.internal.MiIoSendCommand;
  35 import org.openhab.binding.miio.internal.Utils;
  36 import org.openhab.binding.miio.internal.basic.ActionConditions;
  37 import org.openhab.binding.miio.internal.basic.CommandParameterType;
  38 import org.openhab.binding.miio.internal.basic.Conversions;
  39 import org.openhab.binding.miio.internal.basic.MiIoBasicChannel;
  40 import org.openhab.binding.miio.internal.basic.MiIoBasicDevice;
  41 import org.openhab.binding.miio.internal.basic.MiIoDatabaseWatchService;
  42 import org.openhab.binding.miio.internal.basic.MiIoDeviceAction;
  43 import org.openhab.binding.miio.internal.basic.MiIoDeviceActionCondition;
  44 import org.openhab.binding.miio.internal.cloud.CloudConnector;
  45 import org.openhab.binding.miio.internal.transport.MiIoAsyncCommunication;
  46 import org.openhab.core.cache.ExpiringCache;
  47 import org.openhab.core.library.types.DecimalType;
  48 import org.openhab.core.library.types.HSBType;
  49 import org.openhab.core.library.types.OnOffType;
  50 import org.openhab.core.library.types.PercentType;
  51 import org.openhab.core.library.types.QuantityType;
  52 import org.openhab.core.library.types.StringType;
  53 import org.openhab.core.library.unit.SIUnits;
  54 import org.openhab.core.library.unit.SmartHomeUnits;
  55 import org.openhab.core.thing.Channel;
  56 import org.openhab.core.thing.ChannelUID;
  57 import org.openhab.core.thing.Thing;
  58 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  59 import org.openhab.core.thing.binding.builder.ThingBuilder;
  60 import org.openhab.core.thing.type.ChannelTypeRegistry;
  61 import org.openhab.core.thing.type.ChannelTypeUID;
  62 import org.openhab.core.types.Command;
  63 import org.openhab.core.types.RefreshType;
  64 import org.slf4j.Logger;
  65 import org.slf4j.LoggerFactory;
  66
  67 import com.google.gson.Gson;
  68 import com.google.gson.GsonBuilder;
  69 import com.google.gson.JsonArray;
  70 import com.google.gson.JsonElement;
  71 import com.google.gson.JsonIOException;
  72 import com.google.gson.JsonObject;
  73 import com.google.gson.JsonPrimitive;
  74 import com.google.gson.JsonSyntaxException;
  75
  76 /**
  77  * The {@link MiIoBasicHandler} is responsible for handling commands, which are
  78  * sent to one of the channels.
  79  *
  80  * @author Marcel Verpaalen - Initial contribution
  81  */
  82 @NonNullByDefault
  83 public class MiIoBasicHandler extends MiIoAbstractHandler {
  84     private final Logger logger = LoggerFactory.getLogger(MiIoBasicHandler.class);
  85     private boolean hasChannelStructure;
  86
  87     private final ExpiringCache<Boolean> updateDataCache = new ExpiringCache<>(CACHE_EXPIRY, () -> {
  88         miIoScheduler.schedule(this::updateData, 0, TimeUnit.SECONDS);
  89         return true;
  90     });
  91
  92     List<MiIoBasicChannel> refreshList = new ArrayList<>();
  93     private Map<String, MiIoBasicChannel> refreshListCustomCommands = new HashMap<>();
  94
  95     private @Nullable MiIoBasicDevice miioDevice;
  96     private Map<ChannelUID, MiIoBasicChannel> actions = new HashMap<>();
  97     private ChannelTypeRegistry channelTypeRegistry;
  98
  99     public MiIoBasicHandler(Thing thing, MiIoDatabaseWatchService miIoDatabaseWatchService,
 100             CloudConnector cloudConnector, ChannelTypeRegistry channelTypeRegistry) {
 101         super(thing, miIoDatabaseWatchService, cloudConnector);
 102         this.channelTypeRegistry = channelTypeRegistry;
 103     }
 104
 105     @Override
 106     public void initialize() {
 107         super.initialize();
 108         hasChannelStructure = false;
 109         isIdentified = false;
 110         refreshList = new ArrayList<>();
 111         refreshListCustomCommands = new HashMap<>();
 112     }
 113
 114     @Override
 115     public void handleCommand(ChannelUID channelUID, Command receivedCommand) {
 116         Command command = receivedCommand;
 117         if (command == RefreshType.REFRESH) {
 118             if (updateDataCache.isExpired()) {
 119                 logger.debug("Refreshing {}", channelUID);
 120                 updateDataCache.getValue();
 121             } else {
 122                 logger.debug("Refresh {} skipped. Already refreshing", channelUID);
 123             }
 124             return;
 125         }
 126         if (channelUID.getId().equals(CHANNEL_COMMAND)) {
 127             cmds.put(sendCommand(command.toString()), command.toString());
 128             return;
 129         }
 130         logger.debug("Locating action for {} channel '{}': '{}'", getThing().getUID(), channelUID.getId(), command);
 131         if (!actions.isEmpty()) {
 132             MiIoBasicChannel miIoBasicChannel = actions.get(channelUID);
 133             if (miIoBasicChannel != null) {
 134                 int valuePos = 0;
 135                 for (MiIoDeviceAction action : miIoBasicChannel.getActions()) {
 136                     @Nullable
 137                     JsonElement value = null;
 138                     JsonArray parameters = action.getParameters().deepCopy();
 139                     for (int i = 0; i < action.getParameters().size(); i++) {
 140                         JsonElement p = action.getParameters().get(i);
 141                         if (p.isJsonPrimitive() && p.getAsString().toLowerCase().contains("$value$")) {
 142                             valuePos = i;
 143                             break;
 144                         }
 145                     }
 146                     String cmd = action.getCommand();
 147                     CommandParameterType paramType = action.getparameterType();
 148                     if (command instanceof QuantityType) {
 149                         QuantityType<?> qtc = null;
 150                         try {
 151                             if (!miIoBasicChannel.getUnit().isBlank()) {
 152                                 Unit<?> unit = MiIoQuantiyTypes.get(miIoBasicChannel.getUnit());
 153                                 if (unit != null) {
 154                                     qtc = ((QuantityType<?>) command).toUnit(unit);
 155                                 }
 156                             }
 157                         } catch (ParserException e) {
 158                             // swallow
 159                         }
 160                         if (qtc != null) {
 161                             command = new DecimalType(qtc.toBigDecimal());
 162                         } else {
 163                             logger.debug("Could not convert QuantityType to '{}'", miIoBasicChannel.getUnit());
 164                             command = new DecimalType(((QuantityType<?>) command).toBigDecimal());
 165                         }
 166                     }
 167                     if (paramType == CommandParameterType.COLOR) {
 168                         if (command instanceof HSBType) {
 169                             HSBType hsb = (HSBType) command;
 170                             Color color = Color.getHSBColor(hsb.getHue().floatValue() / 360,
 171                                     hsb.getSaturation().floatValue() / 100, hsb.getBrightness().floatValue() / 100);
 172                             value = new JsonPrimitive(
 173                                     (color.getRed() << 16) + (color.getGreen() << 8) + color.getBlue());
 174                         } else if (command instanceof DecimalType) {
 175                             // actually brightness is being set instead of a color
 176                             value = new JsonPrimitive(((DecimalType) command).toBigDecimal());
 177                         } else if (command instanceof OnOffType) {
 178                             value = new JsonPrimitive(command == OnOffType.ON ? 100 : 0);
 179                         } else {
 180                             logger.debug("Unsupported command for COLOR: {}", command);
 181                         }
 182                     } else if (command instanceof OnOffType) {
 183                         if (paramType == CommandParameterType.ONOFF) {
 184                             value = new JsonPrimitive(command == OnOffType.ON ? "on" : "off");
 185                         } else if (paramType == CommandParameterType.ONOFFPARA) {
 186                             cmd = cmd.replace("*", command == OnOffType.ON ? "on" : "off");
 187                             value = new JsonArray();
 188                         } else if (paramType == CommandParameterType.ONOFFBOOL) {
 189                             boolean boolCommand = command == OnOffType.ON;
 190                             value = new JsonPrimitive(boolCommand);
 191                         } else if (paramType == CommandParameterType.ONOFFBOOLSTRING) {
 192                             value = new JsonPrimitive(command == OnOffType.ON ? "true" : "false");
 193                         }
 194                     } else if (command instanceof DecimalType) {
 195                         value = new JsonPrimitive(((DecimalType) command).toBigDecimal());
 196                     } else if (command instanceof StringType) {
 197                         if (paramType == CommandParameterType.STRING) {
 198                             value = new JsonPrimitive(command.toString().toLowerCase());
 199                         } else if (paramType == CommandParameterType.CUSTOMSTRING) {
 200                             value = new JsonPrimitive(parameters.get(valuePos).getAsString().replace("$value",
 201                                     command.toString().toLowerCase()));
 202                         }
 203                     } else {
 204                         value = new JsonPrimitive(command.toString().toLowerCase());
 205                     }
 206                     if (paramType == CommandParameterType.EMPTY) {
 207                         value = new JsonArray();
 208                     }
 209                     final MiIoDeviceActionCondition miIoDeviceActionCondition = action.getCondition();
 210                     if (miIoDeviceActionCondition != null) {
 211                         value = ActionConditions.executeAction(miIoDeviceActionCondition, deviceVariables, value,
 212                                 command);
 213                     }
 214                     // Check for miot channel
 215                     if (value != null) {
 216                         if (action.isMiOtAction()) {
 217                             value = miotActionTransform(action, miIoBasicChannel, value);
 218                         } else if (miIoBasicChannel.isMiOt()) {
 219                             value = miotTransform(miIoBasicChannel, value);
 220                         }
 221                     }
 222                     if (paramType != CommandParameterType.NONE && paramType != CommandParameterType.ONOFFPARA
 223                             && value != null) {
 224                         if (parameters.size() > 0) {
 225                             parameters.set(valuePos, value);
 226                         } else {
 227                             parameters.add(value);
 228                         }
 229                     }
 230                     if (action.isMiOtAction() && parameters.size() > 0 && parameters.get(0).isJsonObject()) {
 231                         // hack as unlike any other commands miot actions parameters appear to be send as a json object
 232                         // instead of a json array
 233                         cmd = cmd + parameters.get(0).getAsJsonObject().toString();
 234                     } else {
 235                         cmd = cmd + parameters.toString();
 236                     }
 237                     if (value != null) {
 238                         logger.debug("Sending command {}", cmd);
 239                         sendCommand(cmd);
 240                     } else {
 241                         if (miIoDeviceActionCondition != null) {
 242                             logger.debug("Conditional command {} not send, condition '{}' not met", cmd,
 243                                     miIoDeviceActionCondition.getName());
 244                         } else {
 245                             logger.debug("Command not send. Value null");
 246                         }
 247                     }
 248                 }
 249             } else {
 250                 logger.debug("Channel Id {} not in mapping.", channelUID.getId());
 251                 if (logger.isTraceEnabled()) {
 252                     for (ChannelUID a : actions.keySet()) {
 253                         logger.trace("Available entries: {} : {}", a, actions.get(a).getFriendlyName());
 254                     }
 255                 }
 256             }
 257             updateDataCache.invalidateValue();
 258             miIoScheduler.schedule(() -> {
 259                 updateData();
 260             }, 3000, TimeUnit.MILLISECONDS);
 261         } else {
 262             logger.debug("Actions not loaded yet");
 263         }
 264     }
 265
 266     private @Nullable JsonElement miotTransform(MiIoBasicChannel miIoBasicChannel, @Nullable JsonElement value) {
 267         JsonObject json = new JsonObject();
 268         json.addProperty("did", miIoBasicChannel.getChannel());
 269         json.addProperty("siid", miIoBasicChannel.getSiid());
 270         json.addProperty("piid", miIoBasicChannel.getPiid());
 271         json.add("value", value);
 272         return json;
 273     }
 274
 275     private @Nullable JsonElement miotActionTransform(MiIoDeviceAction action, MiIoBasicChannel miIoBasicChannel,
 276             @Nullable JsonElement value) {
 277         JsonObject json = new JsonObject();
 278         json.addProperty("did", miIoBasicChannel.getChannel());
 279         json.addProperty("siid", action.getSiid());
 280         json.addProperty("aiid", action.getAiid());
 281         if (value != null) {
 282             json.add("in", value);
 283         }
 284         return json;
 285     }
 286
 287     @Override
 288     protected synchronized void updateData() {
 289         logger.debug("Periodic update for '{}' ({})", getThing().getUID().toString(), getThing().getThingTypeUID());
 290         final MiIoAsyncCommunication miioCom = getConnection();
 291         try {
 292             if (!hasConnection() || skipUpdate() || miioCom == null) {
 293                 return;
 294             }
 295             checkChannelStructure();
 296             if (!isIdentified) {
 297                 sendCommand(MiIoCommand.MIIO_INFO);
 298             }
 299             final MiIoBasicDevice midevice = miioDevice;
 300             if (midevice != null) {
 301                 refreshProperties(midevice);
 302                 refreshCustomProperties(midevice);
 303                 refreshNetwork();
 304             }
 305         } catch (Exception e) {
 306             logger.debug("Error while updating '{}': ", getThing().getUID().toString(), e);
 307         }
 308     }
 309
 310     private void refreshCustomProperties(MiIoBasicDevice midevice) {
 311         for (MiIoBasicChannel miChannel : refreshListCustomCommands.values()) {
 312             sendCommand(miChannel.getChannelCustomRefreshCommand());
 313         }
 314     }
 315
 316     private boolean refreshProperties(MiIoBasicDevice device) {
 317         MiIoCommand command = MiIoCommand.getCommand(device.getDevice().getPropertyMethod());
 318         int maxProperties = device.getDevice().getMaxProperties();
 319         JsonArray getPropString = new JsonArray();
 320         for (MiIoBasicChannel miChannel : refreshList) {
 321             JsonElement property;
 322             if (miChannel.isMiOt()) {
 323                 JsonObject json = new JsonObject();
 324                 json.addProperty("did", miChannel.getProperty());
 325                 json.addProperty("siid", miChannel.getSiid());
 326                 json.addProperty("piid", miChannel.getPiid());
 327                 property = json;
 328             } else {
 329                 property = new JsonPrimitive(miChannel.getProperty());
 330             }
 331             getPropString.add(property);
 332             if (getPropString.size() >= maxProperties) {
 333                 sendRefreshProperties(command, getPropString);
 334                 getPropString = new JsonArray();
 335             }
 336         }
 337         if (getPropString.size() > 0) {
 338             sendRefreshProperties(command, getPropString);
 339         }
 340         return true;
 341     }
 342
 343     private void sendRefreshProperties(MiIoCommand command, JsonArray getPropString) {
 344         sendCommand(command, getPropString.toString());
 345     }
 346
 347     /**
 348      * Checks if the channel structure has been build already based on the model data. If not build it.
 349      */
 350     private void checkChannelStructure() {
 351         final MiIoBindingConfiguration configuration = this.configuration;
 352         if (configuration == null) {
 353             return;
 354         }
 355         if (!hasChannelStructure) {
 356             if (configuration.model == null || configuration.model.isEmpty()) {
 357                 logger.debug("Model needs to be determined");
 358                 isIdentified = false;
 359             } else {
 360                 hasChannelStructure = buildChannelStructure(configuration.model);
 361             }
 362         }
 363         if (hasChannelStructure) {
 364             refreshList = new ArrayList<>();
 365             final MiIoBasicDevice miioDevice = this.miioDevice;
 366             if (miioDevice != null) {
 367                 for (MiIoBasicChannel miChannel : miioDevice.getDevice().getChannels()) {
 368                     if (miChannel.getRefresh()) {
 369                         if (miChannel.getChannelCustomRefreshCommand().isBlank()) {
 370                             refreshList.add(miChannel);
 371                         } else {
 372                             String i = miChannel.getChannelCustomRefreshCommand().split("\\[")[0];
 373                             refreshListCustomCommands.put(i.trim(), miChannel);
 374                         }
 375                     }
 376                 }
 377             }
 378
 379         }
 380     }
 381
 382     private boolean buildChannelStructure(String deviceName) {
 383         logger.debug("Building Channel Structure for {} - Model: {}", getThing().getUID().toString(), deviceName);
 384         URL fn = miIoDatabaseWatchService.getDatabaseUrl(deviceName);
 385         if (fn == null) {
 386             logger.warn("Database entry for model '{}' cannot be found.", deviceName);
 387             return false;
 388         }
 389         try {
 390             JsonObject deviceMapping = Utils.convertFileToJSON(fn);
 391             logger.debug("Using device database: {} for device {}", fn.getFile(), deviceName);
 392             Gson gson = new GsonBuilder().serializeNulls().create();
 393             miioDevice = gson.fromJson(deviceMapping, MiIoBasicDevice.class);
 394             for (Channel ch : getThing().getChannels()) {
 395                 logger.debug("Current thing channels {}, type: {}", ch.getUID(), ch.getChannelTypeUID());
 396             }
 397             ThingBuilder thingBuilder = editThing();
 398             int channelsAdded = 0;
 399
 400             // make a map of the actions
 401             actions = new HashMap<>();
 402             final MiIoBasicDevice device = this.miioDevice;
 403             if (device != null) {
 404                 for (MiIoBasicChannel miChannel : device.getDevice().getChannels()) {
 405                     logger.debug("properties {}", miChannel);
 406                     if (!miChannel.getType().isEmpty()) {
 407                         ChannelUID channelUID = addChannel(thingBuilder, miChannel.getChannel(),
 408                                 miChannel.getChannelType(), miChannel.getType(), miChannel.getFriendlyName());
 409                         if (channelUID != null) {
 410                             actions.put(channelUID, miChannel);
 411                             channelsAdded++;
 412                         } else {
 413                             logger.debug("Channel for {} ({}) not loaded", miChannel.getChannel(),
 414                                     miChannel.getFriendlyName());
 415                         }
 416                     } else {
 417                         logger.debug("Channel {} ({}), not loaded, missing type", miChannel.getChannel(),
 418                                 miChannel.getFriendlyName());
 419                     }
 420                 }
 421             }
 422             // only update if channels were added/removed
 423             if (channelsAdded > 0) {
 424                 logger.debug("Current thing channels added: {}", channelsAdded);
 425                 updateThing(thingBuilder.build());
 426             }
 427             return true;
 428         } catch (JsonIOException | JsonSyntaxException e) {
 429             logger.warn("Error parsing database Json", e);
 430         } catch (IOException e) {
 431             logger.warn("Error reading database file", e);
 432         } catch (Exception e) {
 433             logger.warn("Error creating channel structure", e);
 434         }
 435         return false;
 436     }
 437
 438     private @Nullable ChannelUID addChannel(ThingBuilder thingBuilder, @Nullable String channel, String channelType,
 439             @Nullable String datatype, String friendlyName) {
 440         if (channel == null || channel.isEmpty() || datatype == null || datatype.isEmpty()) {
 441             logger.info("Channel '{}', UID '{}' cannot be added incorrectly configured database. ", channel,
 442                     getThing().getUID());
 443             return null;
 444         }
 445         ChannelUID channelUID = new ChannelUID(getThing().getUID(), channel);
 446
 447         // TODO: Need to understand if this harms anything. If yes, channel only to be added when not there already.
 448         // current way allows to have no issues when channels are changing.
 449         if (getThing().getChannel(channel) != null) {
 450             logger.info("Channel '{}' for thing {} already exist... removing", channel, getThing().getUID());
 451             thingBuilder.withoutChannel(new ChannelUID(getThing().getUID(), channel));
 452         }
 453         ChannelBuilder newChannel = ChannelBuilder.create(channelUID, datatype).withLabel(friendlyName);
 454         boolean useGenericChannelType = false;
 455         if (!channelType.isBlank()) {
 456             ChannelTypeUID channelTypeUID = new ChannelTypeUID(channelType);
 457             if (channelTypeRegistry.getChannelType(channelTypeUID) != null) {
 458                 newChannel = newChannel.withType(channelTypeUID);
 459             } else {
 460                 logger.debug("ChannelType '{}' is not available. Check the Json file for {}", channelTypeUID,
 461                         getThing().getUID());
 462                 useGenericChannelType = true;
 463             }
 464         } else {
 465             useGenericChannelType = true;
 466         }
 467         if (useGenericChannelType) {
 468             newChannel = newChannel.withType(new ChannelTypeUID(BINDING_ID, datatype.toLowerCase()));
 469         }
 470         thingBuilder.withChannel(newChannel.build());
 471         return channelUID;
 472     }
 473
 474     private @Nullable MiIoBasicChannel getChannel(String parameter) {
 475         for (MiIoBasicChannel refreshEntry : refreshList) {
 476             if (refreshEntry.getProperty().equals(parameter)) {
 477                 return refreshEntry;
 478             }
 479         }
 480         logger.trace("Did not find channel for {} in {}", parameter, refreshList);
 481         return null;
 482     }
 483
 484     private void updatePropsFromJsonArray(MiIoSendCommand response) {
 485         JsonArray res = response.getResult().getAsJsonArray();
 486         JsonArray para = parser.parse(response.getCommandString()).getAsJsonObject().get("params").getAsJsonArray();
 487         if (res.size() != para.size()) {
 488             logger.debug("Unexpected size different. Request size {},  response size {}. (Req: {}, Resp:{})",
 489                     para.size(), res.size(), para, res);
 490             return;
 491         }
 492         for (int i = 0; i < para.size(); i++) {
 493             // This is a miot parameter
 494             String param;
 495             final JsonElement paraElement = para.get(i);
 496             if (paraElement.isJsonObject()) { // miot channel
 497                 param = paraElement.getAsJsonObject().get("did").getAsString();
 498             } else {
 499                 param = paraElement.getAsString();
 500             }
 501             JsonElement val = res.get(i);
 502             if (val.isJsonNull()) {
 503                 logger.debug("Property '{}' returned null (is it supported?).", param);
 504                 continue;
 505             } else if (val.isJsonObject()) { // miot channel
 506                 val = val.getAsJsonObject().get("value");
 507             }
 508             MiIoBasicChannel basicChannel = getChannel(param);
 509             updateChannel(basicChannel, param, val);
 510         }
 511     }
 512
 513     private void updatePropsFromJsonObject(MiIoSendCommand response) {
 514         JsonObject res = response.getResult().getAsJsonObject();
 515         for (Object k : res.keySet()) {
 516             String param = (String) k;
 517             JsonElement val = res.get(param);
 518             if (val.isJsonNull()) {
 519                 logger.debug("Property '{}' returned null (is it supported?).", param);
 520                 continue;
 521             }
 522             MiIoBasicChannel basicChannel = getChannel(param);
 523             updateChannel(basicChannel, param, val);
 524         }
 525     }
 526
 527     private void updateChannel(@Nullable MiIoBasicChannel basicChannel, String param, JsonElement value) {
 528         JsonElement val = value;
 529         if (basicChannel == null) {
 530             logger.debug("Channel not found for {}", param);
 531             return;
 532         }
 533         final String transformation = basicChannel.getTransfortmation();
 534         if (transformation != null) {
 535             JsonElement transformed = Conversions.execute(transformation, val);
 536             logger.debug("Transformed with '{}': {} {} -> {} ", transformation, basicChannel.getFriendlyName(), val,
 537                     transformed);
 538             val = transformed;
 539         }
 540         try {
 541             String[] chType = basicChannel.getType().toLowerCase().split(":");
 542             switch (chType[0]) {
 543                 case "number":
 544                     quantityTypeUpdate(basicChannel, val, chType.length > 1 ? chType[1] : "");
 545                     break;
 546                 case "dimmer":
 547                     updateState(basicChannel.getChannel(), new PercentType(val.getAsBigDecimal()));
 548                     break;
 549                 case "string":
 550                     updateState(basicChannel.getChannel(), new StringType(val.getAsString()));
 551                     break;
 552                 case "switch":
 553                     updateState(basicChannel.getChannel(), val.getAsString().toLowerCase().equals("on")
 554                             || val.getAsString().toLowerCase().equals("true") ? OnOffType.ON : OnOffType.OFF);
 555                     break;
 556                 case "color":
 557                     Color rgb = new Color(val.getAsInt());
 558                     HSBType hsb = HSBType.fromRGB(rgb.getRed(), rgb.getGreen(), rgb.getBlue());
 559                     updateState(basicChannel.getChannel(), hsb);
 560                     break;
 561                 default:
 562                     logger.debug("No update logic for channeltype '{}' ", basicChannel.getType());
 563             }
 564         } catch (Exception e) {
 565             logger.debug("Error updating {} property {} with '{}' : {}: {}", getThing().getUID(),
 566                     basicChannel.getChannel(), val, e.getClass().getCanonicalName(), e.getMessage());
 567             logger.trace("Property update error detail:", e);
 568         }
 569     }
 570
 571     private void quantityTypeUpdate(MiIoBasicChannel basicChannel, JsonElement val, String type) {
 572         if (!basicChannel.getUnit().isBlank()) {
 573             Unit<?> unit = MiIoQuantiyTypes.get(basicChannel.getUnit());
 574             if (unit != null) {
 575                 logger.debug("'{}' channel '{}' has unit '{}' with symbol '{}'.", getThing().getUID(),
 576                         basicChannel.getChannel(), basicChannel.getUnit(), unit);
 577                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), unit));
 578             } else {
 579                 logger.debug("Unit '{}' used by '{}' channel '{}' is not found.. using default unit.",
 580                         getThing().getUID(), basicChannel.getUnit(), basicChannel.getChannel());
 581             }
 582         }
 583         // if no unit is provided or unit not found use default units, these units have so far been seen for miio
 584         // devices
 585         switch (type.toLowerCase()) {
 586             case "temperature":
 587                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SIUnits.CELSIUS));
 588                 break;
 589             case "electriccurrent":
 590                 updateState(basicChannel.getChannel(),
 591                         new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.AMPERE));
 592                 break;
 593             case "energy":
 594                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.WATT));
 595                 break;
 596             case "time":
 597                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.HOUR));
 598                 break;
 599             default:
 600                 updateState(basicChannel.getChannel(), new DecimalType(val.getAsBigDecimal()));
 601         }
 602     }
 603
 604     @Override
 605     public void onMessageReceived(MiIoSendCommand response) {
 606         super.onMessageReceived(response);
 607         if (response.isError()) {
 608             return;
 609         }
 610         try {
 611             switch (response.getCommand()) {
 612                 case MIIO_INFO:
 613                     break;
 614                 case GET_VALUE:
 615                 case GET_PROPERTIES:
 616                 case GET_PROPERTY:
 617                     if (response.getResult().isJsonArray()) {
 618                         updatePropsFromJsonArray(response);
 619                     } else if (response.getResult().isJsonObject()) {
 620                         updatePropsFromJsonObject(response);
 621                     }
 622                     break;
 623                 default:
 624                     if (refreshListCustomCommands.containsKey(response.getMethod())) {
 625                         logger.debug("Processing custom refresh command response for !{}", response.getMethod());
 626                         MiIoBasicChannel ch = refreshListCustomCommands.get(response.getMethod());
 627                         if (response.getResult().isJsonArray()) {
 628                             JsonArray cmdResponse = response.getResult().getAsJsonArray();
 629                             final String transformation = ch.getTransfortmation();
 630                             if (transformation == null || transformation.isBlank()) {
 631                                 updateChannel(ch, ch.getChannel(),
 632                                         cmdResponse.get(0).isJsonPrimitive() ? cmdResponse.get(0)
 633                                                 : new JsonPrimitive(cmdResponse.get(0).toString()));
 634                             } else {
 635                                 updateChannel(ch, ch.getChannel(), cmdResponse);
 636                             }
 637                         } else {
 638                             updateChannel(ch, ch.getChannel(), new JsonPrimitive(response.getResult().toString()));
 639                         }
 640                     }
 641                     break;
 642             }
 643         } catch (Exception e) {
 644             logger.debug("Error while handing message {}", response.getResponse(), e);
 645         }
 646     }
 647 }