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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             if (!isLinked(miChannel.getChannel())) {
 322                 logger.debug("Skip refresh of channel {} for {} as it is not linked", miChannel.getChannel(),
 323                         getThing().getUID());
 324                 continue;
 325             }
 326             JsonElement property;
 327             if (miChannel.isMiOt()) {
 328                 JsonObject json = new JsonObject();
 329                 json.addProperty("did", miChannel.getProperty());
 330                 json.addProperty("siid", miChannel.getSiid());
 331                 json.addProperty("piid", miChannel.getPiid());
 332                 property = json;
 333             } else {
 334                 property = new JsonPrimitive(miChannel.getProperty());
 335             }
 336             getPropString.add(property);
 337             if (getPropString.size() >= maxProperties) {
 338                 sendRefreshProperties(command, getPropString);
 339                 getPropString = new JsonArray();
 340             }
 341         }
 342         if (getPropString.size() > 0) {
 343             sendRefreshProperties(command, getPropString);
 344         }
 345         return true;
 346     }
 347
 348     private void sendRefreshProperties(MiIoCommand command, JsonArray getPropString) {
 349         sendCommand(command, getPropString.toString());
 350     }
 351
 352     /**
 353      * Checks if the channel structure has been build already based on the model data. If not build it.
 354      */
 355     private void checkChannelStructure() {
 356         final MiIoBindingConfiguration configuration = this.configuration;
 357         if (configuration == null) {
 358             return;
 359         }
 360         if (!hasChannelStructure) {
 361             if (configuration.model == null || configuration.model.isEmpty()) {
 362                 logger.debug("Model needs to be determined");
 363                 isIdentified = false;
 364             } else {
 365                 hasChannelStructure = buildChannelStructure(configuration.model);
 366             }
 367         }
 368         if (hasChannelStructure) {
 369             refreshList = new ArrayList<>();
 370             final MiIoBasicDevice miioDevice = this.miioDevice;
 371             if (miioDevice != null) {
 372                 for (MiIoBasicChannel miChannel : miioDevice.getDevice().getChannels()) {
 373                     if (miChannel.getRefresh()) {
 374                         if (miChannel.getChannelCustomRefreshCommand().isBlank()) {
 375                             refreshList.add(miChannel);
 376                         } else {
 377                             String i = miChannel.getChannelCustomRefreshCommand().split("\\[")[0];
 378                             refreshListCustomCommands.put(i.trim(), miChannel);
 379                         }
 380                     }
 381                 }
 382             }
 383
 384         }
 385     }
 386
 387     private boolean buildChannelStructure(String deviceName) {
 388         logger.debug("Building Channel Structure for {} - Model: {}", getThing().getUID().toString(), deviceName);
 389         URL fn = miIoDatabaseWatchService.getDatabaseUrl(deviceName);
 390         if (fn == null) {
 391             logger.warn("Database entry for model '{}' cannot be found.", deviceName);
 392             return false;
 393         }
 394         try {
 395             JsonObject deviceMapping = Utils.convertFileToJSON(fn);
 396             logger.debug("Using device database: {} for device {}", fn.getFile(), deviceName);
 397             Gson gson = new GsonBuilder().serializeNulls().create();
 398             miioDevice = gson.fromJson(deviceMapping, MiIoBasicDevice.class);
 399             for (Channel ch : getThing().getChannels()) {
 400                 logger.debug("Current thing channels {}, type: {}", ch.getUID(), ch.getChannelTypeUID());
 401             }
 402             ThingBuilder thingBuilder = editThing();
 403             int channelsAdded = 0;
 404
 405             // make a map of the actions
 406             actions = new HashMap<>();
 407             final MiIoBasicDevice device = this.miioDevice;
 408             if (device != null) {
 409                 for (MiIoBasicChannel miChannel : device.getDevice().getChannels()) {
 410                     logger.debug("properties {}", miChannel);
 411                     if (!miChannel.getType().isEmpty()) {
 412                         ChannelUID channelUID = addChannel(thingBuilder, miChannel.getChannel(),
 413                                 miChannel.getChannelType(), miChannel.getType(), miChannel.getFriendlyName());
 414                         if (channelUID != null) {
 415                             actions.put(channelUID, miChannel);
 416                             channelsAdded++;
 417                         } else {
 418                             logger.debug("Channel for {} ({}) not loaded", miChannel.getChannel(),
 419                                     miChannel.getFriendlyName());
 420                         }
 421                     } else {
 422                         logger.debug("Channel {} ({}), not loaded, missing type", miChannel.getChannel(),
 423                                 miChannel.getFriendlyName());
 424                     }
 425                 }
 426             }
 427             // only update if channels were added/removed
 428             if (channelsAdded > 0) {
 429                 logger.debug("Current thing channels added: {}", channelsAdded);
 430                 updateThing(thingBuilder.build());
 431             }
 432             return true;
 433         } catch (JsonIOException | JsonSyntaxException e) {
 434             logger.warn("Error parsing database Json", e);
 435         } catch (IOException e) {
 436             logger.warn("Error reading database file", e);
 437         } catch (Exception e) {
 438             logger.warn("Error creating channel structure", e);
 439         }
 440         return false;
 441     }
 442
 443     private @Nullable ChannelUID addChannel(ThingBuilder thingBuilder, @Nullable String channel, String channelType,
 444             @Nullable String datatype, String friendlyName) {
 445         if (channel == null || channel.isEmpty() || datatype == null || datatype.isEmpty()) {
 446             logger.info("Channel '{}', UID '{}' cannot be added incorrectly configured database. ", channel,
 447                     getThing().getUID());
 448             return null;
 449         }
 450         ChannelUID channelUID = new ChannelUID(getThing().getUID(), channel);
 451
 452         // TODO: Need to understand if this harms anything. If yes, channel only to be added when not there already.
 453         // current way allows to have no issues when channels are changing.
 454         if (getThing().getChannel(channel) != null) {
 455             logger.info("Channel '{}' for thing {} already exist... removing", channel, getThing().getUID());
 456             thingBuilder.withoutChannel(new ChannelUID(getThing().getUID(), channel));
 457         }
 458         ChannelBuilder newChannel = ChannelBuilder.create(channelUID, datatype).withLabel(friendlyName);
 459         boolean useGenericChannelType = false;
 460         if (!channelType.isBlank()) {
 461             ChannelTypeUID channelTypeUID = new ChannelTypeUID(channelType);
 462             if (channelTypeRegistry.getChannelType(channelTypeUID) != null) {
 463                 newChannel = newChannel.withType(channelTypeUID);
 464             } else {
 465                 logger.debug("ChannelType '{}' is not available. Check the Json file for {}", channelTypeUID,
 466                         getThing().getUID());
 467                 useGenericChannelType = true;
 468             }
 469         } else {
 470             useGenericChannelType = true;
 471         }
 472         if (useGenericChannelType) {
 473             newChannel = newChannel.withType(new ChannelTypeUID(BINDING_ID, datatype.toLowerCase()));
 474         }
 475         thingBuilder.withChannel(newChannel.build());
 476         return channelUID;
 477     }
 478
 479     private @Nullable MiIoBasicChannel getChannel(String parameter) {
 480         for (MiIoBasicChannel refreshEntry : refreshList) {
 481             if (refreshEntry.getProperty().equals(parameter)) {
 482                 return refreshEntry;
 483             }
 484         }
 485         logger.trace("Did not find channel for {} in {}", parameter, refreshList);
 486         return null;
 487     }
 488
 489     private void updatePropsFromJsonArray(MiIoSendCommand response) {
 490         JsonArray res = response.getResult().getAsJsonArray();
 491         JsonArray para = parser.parse(response.getCommandString()).getAsJsonObject().get("params").getAsJsonArray();
 492         if (res.size() != para.size()) {
 493             logger.debug("Unexpected size different. Request size {},  response size {}. (Req: {}, Resp:{})",
 494                     para.size(), res.size(), para, res);
 495             return;
 496         }
 497         for (int i = 0; i < para.size(); i++) {
 498             // This is a miot parameter
 499             String param;
 500             final JsonElement paraElement = para.get(i);
 501             if (paraElement.isJsonObject()) { // miot channel
 502                 param = paraElement.getAsJsonObject().get("did").getAsString();
 503             } else {
 504                 param = paraElement.getAsString();
 505             }
 506             JsonElement val = res.get(i);
 507             if (val.isJsonNull()) {
 508                 logger.debug("Property '{}' returned null (is it supported?).", param);
 509                 continue;
 510             } else if (val.isJsonObject()) { // miot channel
 511                 val = val.getAsJsonObject().get("value");
 512             }
 513             MiIoBasicChannel basicChannel = getChannel(param);
 514             updateChannel(basicChannel, param, val);
 515         }
 516     }
 517
 518     private void updatePropsFromJsonObject(MiIoSendCommand response) {
 519         JsonObject res = response.getResult().getAsJsonObject();
 520         for (Object k : res.keySet()) {
 521             String param = (String) k;
 522             JsonElement val = res.get(param);
 523             if (val.isJsonNull()) {
 524                 logger.debug("Property '{}' returned null (is it supported?).", param);
 525                 continue;
 526             }
 527             MiIoBasicChannel basicChannel = getChannel(param);
 528             updateChannel(basicChannel, param, val);
 529         }
 530     }
 531
 532     private void updateChannel(@Nullable MiIoBasicChannel basicChannel, String param, JsonElement value) {
 533         JsonElement val = value;
 534         if (basicChannel == null) {
 535             logger.debug("Channel not found for {}", param);
 536             return;
 537         }
 538         final String transformation = basicChannel.getTransfortmation();
 539         if (transformation != null) {
 540             JsonElement transformed = Conversions.execute(transformation, val);
 541             logger.debug("Transformed with '{}': {} {} -> {} ", transformation, basicChannel.getFriendlyName(), val,
 542                     transformed);
 543             val = transformed;
 544         }
 545         try {
 546             String[] chType = basicChannel.getType().toLowerCase().split(":");
 547             switch (chType[0]) {
 548                 case "number":
 549                     quantityTypeUpdate(basicChannel, val, chType.length > 1 ? chType[1] : "");
 550                     break;
 551                 case "dimmer":
 552                     updateState(basicChannel.getChannel(), new PercentType(val.getAsBigDecimal()));
 553                     break;
 554                 case "string":
 555                     updateState(basicChannel.getChannel(), new StringType(val.getAsString()));
 556                     break;
 557                 case "switch":
 558                     updateState(basicChannel.getChannel(), val.getAsString().toLowerCase().equals("on")
 559                             || val.getAsString().toLowerCase().equals("true") ? OnOffType.ON : OnOffType.OFF);
 560                     break;
 561                 case "color":
 562                     Color rgb = new Color(val.getAsInt());
 563                     HSBType hsb = HSBType.fromRGB(rgb.getRed(), rgb.getGreen(), rgb.getBlue());
 564                     updateState(basicChannel.getChannel(), hsb);
 565                     break;
 566                 default:
 567                     logger.debug("No update logic for channeltype '{}' ", basicChannel.getType());
 568             }
 569         } catch (Exception e) {
 570             logger.debug("Error updating {} property {} with '{}' : {}: {}", getThing().getUID(),
 571                     basicChannel.getChannel(), val, e.getClass().getCanonicalName(), e.getMessage());
 572             logger.trace("Property update error detail:", e);
 573         }
 574     }
 575
 576     private void quantityTypeUpdate(MiIoBasicChannel basicChannel, JsonElement val, String type) {
 577         if (!basicChannel.getUnit().isBlank()) {
 578             Unit<?> unit = MiIoQuantiyTypes.get(basicChannel.getUnit());
 579             if (unit != null) {
 580                 logger.debug("'{}' channel '{}' has unit '{}' with symbol '{}'.", getThing().getUID(),
 581                         basicChannel.getChannel(), basicChannel.getUnit(), unit);
 582                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), unit));
 583             } else {
 584                 logger.debug("Unit '{}' used by '{}' channel '{}' is not found.. using default unit.",
 585                         getThing().getUID(), basicChannel.getUnit(), basicChannel.getChannel());
 586             }
 587         }
 588         // if no unit is provided or unit not found use default units, these units have so far been seen for miio
 589         // devices
 590         switch (type.toLowerCase()) {
 591             case "temperature":
 592                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SIUnits.CELSIUS));
 593                 break;
 594             case "electriccurrent":
 595                 updateState(basicChannel.getChannel(),
 596                         new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.AMPERE));
 597                 break;
 598             case "energy":
 599                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.WATT));
 600                 break;
 601             case "time":
 602                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SmartHomeUnits.HOUR));
 603                 break;
 604             default:
 605                 updateState(basicChannel.getChannel(), new DecimalType(val.getAsBigDecimal()));
 606         }
 607     }
 608
 609     @Override
 610     public void onMessageReceived(MiIoSendCommand response) {
 611         super.onMessageReceived(response);
 612         if (response.isError()) {
 613             return;
 614         }
 615         try {
 616             switch (response.getCommand()) {
 617                 case MIIO_INFO:
 618                     break;
 619                 case GET_VALUE:
 620                 case GET_PROPERTIES:
 621                 case GET_PROPERTY:
 622                     if (response.getResult().isJsonArray()) {
 623                         updatePropsFromJsonArray(response);
 624                     } else if (response.getResult().isJsonObject()) {
 625                         updatePropsFromJsonObject(response);
 626                     }
 627                     break;
 628                 default:
 629                     if (refreshListCustomCommands.containsKey(response.getMethod())) {
 630                         logger.debug("Processing custom refresh command response for !{}", response.getMethod());
 631                         MiIoBasicChannel ch = refreshListCustomCommands.get(response.getMethod());
 632                         if (response.getResult().isJsonArray()) {
 633                             JsonArray cmdResponse = response.getResult().getAsJsonArray();
 634                             final String transformation = ch.getTransfortmation();
 635                             if (transformation == null || transformation.isBlank()) {
 636                                 updateChannel(ch, ch.getChannel(),
 637                                         cmdResponse.get(0).isJsonPrimitive() ? cmdResponse.get(0)
 638                                                 : new JsonPrimitive(cmdResponse.get(0).toString()));
 639                             } else {
 640                                 updateChannel(ch, ch.getChannel(), cmdResponse);
 641                             }
 642                         } else {
 643                             updateChannel(ch, ch.getChannel(), new JsonPrimitive(response.getResult().toString()));
 644                         }
 645                     }
 646                     break;
 647             }
 648         } catch (Exception e) {
 649             logger.debug("Error while handing message {}", response.getResponse(), e);
 650         }
 651     }
 652 }