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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.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.time.Instant;
  21 import java.util.ArrayList;
  22 import java.util.HashMap;
  23 import java.util.LinkedHashSet;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.Map.Entry;
  27 import java.util.Set;
  28 import java.util.concurrent.TimeUnit;
  29
  30 import javax.measure.Unit;
  31 import javax.measure.format.MeasurementParseException;
  32
  33 import org.eclipse.jdt.annotation.NonNullByDefault;
  34 import org.eclipse.jdt.annotation.Nullable;
  35 import org.openhab.binding.miio.internal.MiIoBindingConfiguration;
  36 import org.openhab.binding.miio.internal.MiIoCommand;
  37 import org.openhab.binding.miio.internal.MiIoQuantiyTypes;
  38 import org.openhab.binding.miio.internal.MiIoSendCommand;
  39 import org.openhab.binding.miio.internal.Utils;
  40 import org.openhab.binding.miio.internal.basic.ActionConditions;
  41 import org.openhab.binding.miio.internal.basic.BasicChannelTypeProvider;
  42 import org.openhab.binding.miio.internal.basic.CommandParameterType;
  43 import org.openhab.binding.miio.internal.basic.Conversions;
  44 import org.openhab.binding.miio.internal.basic.MiIoBasicChannel;
  45 import org.openhab.binding.miio.internal.basic.MiIoBasicDevice;
  46 import org.openhab.binding.miio.internal.basic.MiIoDatabaseWatchService;
  47 import org.openhab.binding.miio.internal.basic.MiIoDeviceAction;
  48 import org.openhab.binding.miio.internal.basic.MiIoDeviceActionCondition;
  49 import org.openhab.binding.miio.internal.cloud.CloudConnector;
  50 import org.openhab.binding.miio.internal.transport.MiIoAsyncCommunication;
  51 import org.openhab.core.cache.ExpiringCache;
  52 import org.openhab.core.i18n.LocaleProvider;
  53 import org.openhab.core.i18n.TranslationProvider;
  54 import org.openhab.core.library.types.DecimalType;
  55 import org.openhab.core.library.types.HSBType;
  56 import org.openhab.core.library.types.OnOffType;
  57 import org.openhab.core.library.types.OpenClosedType;
  58 import org.openhab.core.library.types.PercentType;
  59 import org.openhab.core.library.types.QuantityType;
  60 import org.openhab.core.library.types.StringType;
  61 import org.openhab.core.library.unit.SIUnits;
  62 import org.openhab.core.library.unit.Units;
  63 import org.openhab.core.thing.Channel;
  64 import org.openhab.core.thing.ChannelUID;
  65 import org.openhab.core.thing.Thing;
  66 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  67 import org.openhab.core.thing.binding.builder.ThingBuilder;
  68 import org.openhab.core.thing.type.ChannelTypeRegistry;
  69 import org.openhab.core.thing.type.ChannelTypeUID;
  70 import org.openhab.core.types.Command;
  71 import org.openhab.core.types.RefreshType;
  72 import org.slf4j.Logger;
  73 import org.slf4j.LoggerFactory;
  74
  75 import com.google.gson.Gson;
  76 import com.google.gson.GsonBuilder;
  77 import com.google.gson.JsonArray;
  78 import com.google.gson.JsonElement;
  79 import com.google.gson.JsonIOException;
  80 import com.google.gson.JsonObject;
  81 import com.google.gson.JsonParser;
  82 import com.google.gson.JsonPrimitive;
  83 import com.google.gson.JsonSyntaxException;
  84
  85 /**
  86  * The {@link MiIoBasicHandler} is responsible for handling commands, which are
  87  * sent to one of the channels.
  88  *
  89  * @author Marcel Verpaalen - Initial contribution
  90  */
  91 @NonNullByDefault
  92 public class MiIoBasicHandler extends MiIoAbstractHandler {
  93     private final Logger logger = LoggerFactory.getLogger(MiIoBasicHandler.class);
  94     private boolean hasChannelStructure;
  95
  96     private final ExpiringCache<Boolean> updateDataCache = new ExpiringCache<>(CACHE_EXPIRY, () -> {
  97         miIoScheduler.schedule(this::updateData, 0, TimeUnit.SECONDS);
  98         return true;
  99     });
 100
 101     List<MiIoBasicChannel> refreshList = new ArrayList<>();
 102     private Map<String, MiIoBasicChannel> refreshListCustomCommands = new HashMap<>();
 103
 104     private @Nullable MiIoBasicDevice miioDevice;
 105     private Map<ChannelUID, MiIoBasicChannel> actions = new HashMap<>();
 106     private ChannelTypeRegistry channelTypeRegistry;
 107     private BasicChannelTypeProvider basicChannelTypeProvider;
 108
 109     public MiIoBasicHandler(Thing thing, MiIoDatabaseWatchService miIoDatabaseWatchService,
 110             CloudConnector cloudConnector, ChannelTypeRegistry channelTypeRegistry,
 111             BasicChannelTypeProvider basicChannelTypeProvider, TranslationProvider i18nProvider,
 112             LocaleProvider localeProvider) {
 113         super(thing, miIoDatabaseWatchService, cloudConnector, i18nProvider, localeProvider);
 114         this.channelTypeRegistry = channelTypeRegistry;
 115         this.basicChannelTypeProvider = basicChannelTypeProvider;
 116     }
 117
 118     @Override
 119     public void initialize() {
 120         super.initialize();
 121         hasChannelStructure = false;
 122         isIdentified = false;
 123         refreshList = new ArrayList<>();
 124         refreshListCustomCommands = new HashMap<>();
 125     }
 126
 127     @Override
 128     public void handleCommand(ChannelUID channelUID, Command receivedCommand) {
 129         Command command = receivedCommand;
 130         deviceVariables.put(TIMESTAMP, Instant.now().getEpochSecond());
 131         if (command == RefreshType.REFRESH) {
 132             if (updateDataCache.isExpired()) {
 133                 logger.debug("Refreshing {}", channelUID);
 134                 updateDataCache.getValue();
 135             } else {
 136                 logger.debug("Refresh {} skipped. Already refreshing", channelUID);
 137             }
 138             return;
 139         }
 140         if (handleCommandsChannels(channelUID, command)) {
 141             forceStatusUpdate();
 142             return;
 143         }
 144         logger.debug("Locating action for {} channel '{}': '{}'", getThing().getUID(), channelUID.getId(), command);
 145         if (!actions.isEmpty()) {
 146             final MiIoBasicChannel miIoBasicChannel = actions.get(channelUID);
 147             if (miIoBasicChannel != null) {
 148                 int valuePos = 0;
 149                 for (MiIoDeviceAction action : miIoBasicChannel.getActions()) {
 150                     @Nullable
 151                     JsonElement value = null;
 152                     JsonArray parameters = action.getParameters().deepCopy();
 153                     for (int i = 0; i < action.getParameters().size(); i++) {
 154                         JsonElement p = action.getParameters().get(i);
 155                         if (p.isJsonPrimitive() && p.getAsString().toLowerCase().contains("$value$")) {
 156                             valuePos = i;
 157                             break;
 158                         }
 159                     }
 160                     String cmd = action.getCommand();
 161                     CommandParameterType paramType = action.getparameterType();
 162                     if (command instanceof QuantityType) {
 163                         QuantityType<?> qtc = null;
 164                         try {
 165                             if (!miIoBasicChannel.getUnit().isBlank()) {
 166                                 Unit<?> unit = MiIoQuantiyTypes.get(miIoBasicChannel.getUnit());
 167                                 if (unit != null) {
 168                                     qtc = ((QuantityType<?>) command).toUnit(unit);
 169                                 }
 170                             }
 171                         } catch (MeasurementParseException e) {
 172                             // swallow
 173                         }
 174                         if (qtc != null) {
 175                             command = new DecimalType(qtc.toBigDecimal());
 176                         } else {
 177                             logger.debug("Could not convert QuantityType to '{}'", miIoBasicChannel.getUnit());
 178                             command = new DecimalType(((QuantityType<?>) command).toBigDecimal());
 179                         }
 180                     }
 181                     if (paramType == CommandParameterType.OPENCLOSE) {
 182                         if (command instanceof OpenClosedType) {
 183                             value = new JsonPrimitive(command == OpenClosedType.OPEN ? "open" : "close");
 184                         } else {
 185                             value = new JsonPrimitive(("ON".contentEquals(command.toString().toUpperCase())
 186                                     || "1".contentEquals(command.toString())) ? "open" : "close");
 187                         }
 188                     }
 189                     if (paramType == CommandParameterType.OPENCLOSENUMBER) {
 190                         if (command instanceof OpenClosedType) {
 191                             value = new JsonPrimitive(command == OpenClosedType.OPEN ? 1 : 0);
 192                         } else {
 193                             value = new JsonPrimitive(("ON".contentEquals(command.toString().toUpperCase())
 194                                     || "1".contentEquals(command.toString())) ? 1 : 0);
 195                         }
 196                     }
 197                     if (paramType == CommandParameterType.OPENCLOSESWITCH) {
 198                         if (command instanceof OpenClosedType) {
 199                             value = new JsonPrimitive(command == OpenClosedType.OPEN ? "on" : "off");
 200                         } else {
 201                             value = new JsonPrimitive(("ON".contentEquals(command.toString().toUpperCase())
 202                                     || "1".contentEquals(command.toString())) ? "on" : "off");
 203                         }
 204                     }
 205                     if (paramType == CommandParameterType.COLOR) {
 206                         if (command instanceof HSBType) {
 207                             HSBType hsb = (HSBType) command;
 208                             Color color = Color.getHSBColor(hsb.getHue().floatValue() / 360,
 209                                     hsb.getSaturation().floatValue() / 100, hsb.getBrightness().floatValue() / 100);
 210                             value = new JsonPrimitive(
 211                                     (color.getRed() << 16) + (color.getGreen() << 8) + color.getBlue());
 212                         } else if (command instanceof DecimalType) {
 213                             // actually brightness is being set instead of a color
 214                             value = new JsonPrimitive(((DecimalType) command).toBigDecimal());
 215                         } else if (command instanceof OnOffType) {
 216                             value = new JsonPrimitive(command == OnOffType.ON ? 100 : 0);
 217                         } else {
 218                             logger.debug("Unsupported command for COLOR: {}", command);
 219                         }
 220                     } else if (command instanceof OnOffType) {
 221                         if (paramType == CommandParameterType.ONOFF) {
 222                             value = new JsonPrimitive(command == OnOffType.ON ? "on" : "off");
 223                         } else if (paramType == CommandParameterType.ONOFFPARA) {
 224                             cmd = cmd.replace("*", command == OnOffType.ON ? "on" : "off");
 225                             value = new JsonArray();
 226                         } else if (paramType == CommandParameterType.ONOFFBOOL) {
 227                             boolean boolCommand = command == OnOffType.ON;
 228                             value = new JsonPrimitive(boolCommand);
 229                         } else if (paramType == CommandParameterType.ONOFFBOOLSTRING) {
 230                             value = new JsonPrimitive(command == OnOffType.ON ? "true" : "false");
 231                         } else if (paramType == CommandParameterType.ONOFFNUMBER) {
 232                             value = new JsonPrimitive(command == OnOffType.ON ? 1 : 0);
 233                         }
 234                     } else if (command instanceof DecimalType) {
 235                         value = new JsonPrimitive(((DecimalType) command).toBigDecimal());
 236                     } else if (command instanceof StringType) {
 237                         if (paramType == CommandParameterType.STRING) {
 238                             value = new JsonPrimitive(command.toString().toLowerCase());
 239                         } else if (paramType == CommandParameterType.CUSTOMSTRING) {
 240                             value = new JsonPrimitive(parameters.get(valuePos).getAsString().replace("$value",
 241                                     command.toString().toLowerCase()));
 242                         }
 243                     } else {
 244                         value = new JsonPrimitive(command.toString().toLowerCase());
 245                     }
 246                     if (paramType == CommandParameterType.EMPTY) {
 247                         value = new JsonArray();
 248                     }
 249                     final MiIoDeviceActionCondition miIoDeviceActionCondition = action.getCondition();
 250                     if (miIoDeviceActionCondition != null) {
 251                         value = ActionConditions.executeAction(miIoDeviceActionCondition, deviceVariables, value,
 252                                 command);
 253                     }
 254                     // Check for miot channel
 255                     if (value != null) {
 256                         if (action.isMiOtAction()) {
 257                             value = miotActionTransform(action, miIoBasicChannel, value);
 258                         } else if (miIoBasicChannel.isMiOt()) {
 259                             value = miotTransform(miIoBasicChannel, value);
 260                         }
 261                     }
 262                     if (paramType != CommandParameterType.NONE && paramType != CommandParameterType.ONOFFPARA
 263                             && value != null) {
 264                         if (parameters.size() > 0) {
 265                             parameters.set(valuePos, value);
 266                         } else {
 267                             parameters.add(value);
 268                         }
 269                     }
 270                     if (action.isMiOtAction() && parameters.size() > 0 && parameters.get(0).isJsonObject()) {
 271                         // hack as unlike any other commands miot actions parameters appear to be send as a json object
 272                         // instead of a json array
 273                         cmd = cmd + parameters.get(0).getAsJsonObject().toString();
 274                     } else {
 275                         cmd = cmd + parameters.toString();
 276                     }
 277                     if (value != null) {
 278                         logger.debug("Sending command {}", cmd);
 279                         sendCommand(cmd);
 280                     } else {
 281                         if (miIoDeviceActionCondition != null) {
 282                             logger.debug("Conditional command {} not send, condition '{}' not met", cmd,
 283                                     miIoDeviceActionCondition.getName());
 284                         } else {
 285                             logger.debug("Command not send. Value null");
 286                         }
 287                     }
 288                 }
 289             } else {
 290                 logger.debug("Channel Id {} not in mapping.", channelUID.getId());
 291                 if (logger.isTraceEnabled()) {
 292                     for (Entry<ChannelUID, MiIoBasicChannel> a : actions.entrySet()) {
 293                         logger.trace("Available entries: {} : {}", a.getKey(), a.getValue().getFriendlyName());
 294                     }
 295                 }
 296             }
 297             forceStatusUpdate();
 298         } else {
 299             logger.debug("Actions not loaded yet, or none available");
 300         }
 301     }
 302
 303     private void forceStatusUpdate() {
 304         updateDataCache.invalidateValue();
 305         miIoScheduler.schedule(() -> {
 306             updateData();
 307         }, 3000, TimeUnit.MILLISECONDS);
 308     }
 309
 310     private @Nullable JsonElement miotTransform(MiIoBasicChannel miIoBasicChannel, @Nullable JsonElement value) {
 311         JsonObject json = new JsonObject();
 312         json.addProperty("did", miIoBasicChannel.getChannel());
 313         json.addProperty("siid", miIoBasicChannel.getSiid());
 314         json.addProperty("piid", miIoBasicChannel.getPiid());
 315         json.add("value", value);
 316         return json;
 317     }
 318
 319     private @Nullable JsonElement miotActionTransform(MiIoDeviceAction action, MiIoBasicChannel miIoBasicChannel,
 320             @Nullable JsonElement value) {
 321         JsonObject json = new JsonObject();
 322         json.addProperty("did", miIoBasicChannel.getChannel());
 323         json.addProperty("siid", action.getSiid());
 324         json.addProperty("aiid", action.getAiid());
 325         if (value != null) {
 326             json.add("in", value);
 327         }
 328         return json;
 329     }
 330
 331     @Override
 332     protected synchronized void updateData() {
 333         logger.debug("Periodic update for '{}' ({})", getThing().getUID().toString(), getThing().getThingTypeUID());
 334         final MiIoAsyncCommunication miioCom = getConnection();
 335         try {
 336             if (!hasConnection() || skipUpdate() || miioCom == null) {
 337                 return;
 338             }
 339             checkChannelStructure();
 340             if (!isIdentified) {
 341                 sendCommand(MiIoCommand.MIIO_INFO);
 342             }
 343             final MiIoBasicDevice midevice = miioDevice;
 344             if (midevice != null) {
 345                 deviceVariables.put(TIMESTAMP, Instant.now().getEpochSecond());
 346                 refreshProperties(midevice);
 347                 refreshCustomProperties(midevice);
 348                 refreshNetwork();
 349             }
 350         } catch (Exception e) {
 351             logger.debug("Error while updating '{}': ", getThing().getUID().toString(), e);
 352         }
 353     }
 354
 355     private void refreshCustomProperties(MiIoBasicDevice midevice) {
 356         for (MiIoBasicChannel miChannel : refreshListCustomCommands.values()) {
 357             if (!isLinked(miChannel.getChannel())) {
 358                 logger.debug("Skip refresh of channel {} for {} as it is not linked", miChannel.getChannel(),
 359                         getThing().getUID());
 360                 continue;
 361             }
 362             String cmd = miChannel.getChannelCustomRefreshCommand();
 363             if (!cmd.startsWith("/")) {
 364                 cmds.put(sendCommand(miChannel.getChannelCustomRefreshCommand()), miChannel.getChannel());
 365             } else {
 366                 if (cloudServer.isBlank()) {
 367                     logger.debug("Cloudserver empty. Skipping refresh for {} channel '{}'", getThing().getUID(),
 368                             miChannel.getChannel());
 369                 } else {
 370                     cmds.put(sendCommand(cmd, cloudServer), miChannel.getChannel());
 371                 }
 372             }
 373         }
 374     }
 375
 376     private boolean refreshProperties(MiIoBasicDevice device) {
 377         MiIoCommand command = MiIoCommand.getCommand(device.getDevice().getPropertyMethod());
 378         int maxProperties = device.getDevice().getMaxProperties();
 379         JsonArray getPropString = new JsonArray();
 380         for (MiIoBasicChannel miChannel : refreshList) {
 381             if (!isLinked(miChannel.getChannel())) {
 382                 logger.debug("Skip refresh of channel {} for {} as it is not linked", miChannel.getChannel(),
 383                         getThing().getUID());
 384                 continue;
 385             }
 386             JsonElement property;
 387             if (miChannel.isMiOt()) {
 388                 JsonObject json = new JsonObject();
 389                 json.addProperty("did", miChannel.getProperty());
 390                 json.addProperty("siid", miChannel.getSiid());
 391                 json.addProperty("piid", miChannel.getPiid());
 392                 property = json;
 393             } else {
 394                 property = new JsonPrimitive(miChannel.getProperty());
 395             }
 396             getPropString.add(property);
 397             if (getPropString.size() >= maxProperties) {
 398                 sendRefreshProperties(command, getPropString);
 399                 getPropString = new JsonArray();
 400             }
 401         }
 402         if (getPropString.size() > 0) {
 403             sendRefreshProperties(command, getPropString);
 404         }
 405         return true;
 406     }
 407
 408     private void sendRefreshProperties(MiIoCommand command, JsonArray getPropString) {
 409         sendCommand(command, getPropString.toString());
 410     }
 411
 412     /**
 413      * Checks if the channel structure has been build already based on the model data. If not build it.
 414      */
 415     private void checkChannelStructure() {
 416         final MiIoBindingConfiguration configuration = this.configuration;
 417         if (configuration == null) {
 418             return;
 419         }
 420         if (!hasChannelStructure) {
 421             if (configuration.model.isEmpty()) {
 422                 logger.debug("Model needs to be determined");
 423                 isIdentified = false;
 424             } else {
 425                 hasChannelStructure = buildChannelStructure(configuration.model);
 426             }
 427         }
 428         if (hasChannelStructure) {
 429             refreshList = new ArrayList<>();
 430             refreshListCustomCommands = new HashMap<>();
 431             final MiIoBasicDevice miioDevice = this.miioDevice;
 432             if (miioDevice != null) {
 433                 for (MiIoBasicChannel miChannel : miioDevice.getDevice().getChannels()) {
 434                     if (miChannel.getRefresh()) {
 435                         if (miChannel.getChannelCustomRefreshCommand().isBlank()) {
 436                             refreshList.add(miChannel);
 437                         } else {
 438                             String i = miChannel.getChannelCustomRefreshCommand().split("\\[")[0];
 439                             refreshListCustomCommands.put(i.trim(), miChannel);
 440                         }
 441                     }
 442                 }
 443             }
 444
 445         }
 446     }
 447
 448     private boolean buildChannelStructure(String deviceName) {
 449         logger.debug("Building Channel Structure for {} - Model: {}", getThing().getUID().toString(), deviceName);
 450         URL fn = miIoDatabaseWatchService.getDatabaseUrl(deviceName);
 451         if (fn == null) {
 452             logger.warn("Database entry for model '{}' cannot be found.", deviceName);
 453             return false;
 454         }
 455         try {
 456             JsonObject deviceMapping = Utils.convertFileToJSON(fn);
 457             logger.debug("Using device database: {} for device {}", fn.getFile(), deviceName);
 458             String key = fn.getFile().replaceFirst("/database/", "").split("json")[0];
 459             Gson gson = new GsonBuilder().serializeNulls().create();
 460             miioDevice = gson.fromJson(deviceMapping, MiIoBasicDevice.class);
 461             for (Channel ch : getThing().getChannels()) {
 462                 logger.debug("Current thing channels {}, type: {}", ch.getUID(), ch.getChannelTypeUID());
 463             }
 464             ThingBuilder thingBuilder = editThing();
 465             int channelsAdded = 0;
 466
 467             // make a map of the actions
 468             actions = new HashMap<>();
 469             final MiIoBasicDevice device = this.miioDevice;
 470             if (device != null) {
 471                 for (Channel cn : getThing().getChannels()) {
 472                     logger.trace("Channel '{}' for thing {} already exist... removing", cn.getUID(),
 473                             getThing().getUID());
 474                     if (!PERSISTENT_CHANNELS.contains(cn.getUID().getId().toString())) {
 475                         thingBuilder.withoutChannels(cn);
 476                     }
 477                 }
 478                 for (MiIoBasicChannel miChannel : device.getDevice().getChannels()) {
 479                     logger.debug("properties {}", miChannel);
 480                     if (!miChannel.getType().isEmpty()) {
 481                         basicChannelTypeProvider.addChannelType(miChannel, deviceName);
 482                         ChannelUID channelUID = addChannel(thingBuilder, miChannel, deviceName, key);
 483                         if (channelUID != null) {
 484                             actions.put(channelUID, miChannel);
 485                             channelsAdded++;
 486                         } else {
 487                             logger.debug("Channel for {} ({}) not loaded", miChannel.getChannel(),
 488                                     miChannel.getFriendlyName());
 489                         }
 490                     } else {
 491                         logger.debug("Channel {} ({}), not loaded, missing type", miChannel.getChannel(),
 492                                 miChannel.getFriendlyName());
 493                     }
 494                 }
 495             }
 496             // only update if channels were added/removed
 497             if (channelsAdded > 0) {
 498                 logger.debug("Current thing channels added: {}", channelsAdded);
 499                 updateThing(thingBuilder.build());
 500             }
 501             return true;
 502         } catch (JsonIOException | JsonSyntaxException e) {
 503             logger.warn("Error parsing database Json", e);
 504         } catch (IOException e) {
 505             logger.warn("Error reading database file", e);
 506         } catch (Exception e) {
 507             logger.warn("Error creating channel structure", e);
 508         }
 509         return false;
 510     }
 511
 512     private @Nullable ChannelUID addChannel(ThingBuilder thingBuilder, MiIoBasicChannel miChannel, String model,
 513             String key) {
 514         String channel = miChannel.getChannel();
 515         String dataType = miChannel.getType();
 516         if (channel.isEmpty() || dataType.isEmpty()) {
 517             logger.info("Channel '{}', UID '{}' cannot be added incorrectly configured database. ", channel,
 518                     getThing().getUID());
 519             return null;
 520         }
 521         ChannelUID channelUID = new ChannelUID(getThing().getUID(), channel);
 522         String label = getLocalText(I18N_CHANNEL_PREFIX + key + channel, miChannel.getFriendlyName());
 523         ChannelBuilder newChannel = ChannelBuilder.create(channelUID, dataType).withLabel(label);
 524         boolean useGeneratedChannelType = false;
 525         if (!miChannel.getChannelType().isBlank()) {
 526             ChannelTypeUID channelTypeUID = new ChannelTypeUID(miChannel.getChannelType());
 527             if (channelTypeRegistry.getChannelType(channelTypeUID) != null) {
 528                 newChannel = newChannel.withType(channelTypeUID);
 529                 final LinkedHashSet<String> tags = miChannel.getTags();
 530                 if (tags != null && !tags.isEmpty()) {
 531                     newChannel.withDefaultTags(tags);
 532                 }
 533             } else {
 534                 logger.debug("ChannelType '{}' is not available. Check the Json file for {}", channelTypeUID, model);
 535                 useGeneratedChannelType = true;
 536             }
 537         } else {
 538             useGeneratedChannelType = true;
 539         }
 540         if (useGeneratedChannelType) {
 541             newChannel = newChannel
 542                     .withType(new ChannelTypeUID(BINDING_ID, model.toUpperCase().replace(".", "_") + "_" + channel));
 543             final Set<String> tags = miChannel.getTags();
 544             if (tags != null && !tags.isEmpty()) {
 545                 newChannel.withDefaultTags(tags);
 546             }
 547         }
 548         thingBuilder.withChannel(newChannel.build());
 549         return channelUID;
 550     }
 551
 552     private @Nullable MiIoBasicChannel getChannel(String parameter) {
 553         for (MiIoBasicChannel refreshEntry : refreshList) {
 554             if (refreshEntry.getProperty().equals(parameter)) {
 555                 return refreshEntry;
 556             }
 557         }
 558         logger.trace("Did not find channel for {} in {}", parameter, refreshList);
 559         return null;
 560     }
 561
 562     private @Nullable MiIoBasicChannel getCustomRefreshChannel(String channelName) {
 563         for (MiIoBasicChannel refreshEntry : refreshListCustomCommands.values()) {
 564             if (refreshEntry.getChannel().equals(channelName)) {
 565                 return refreshEntry;
 566             }
 567         }
 568         logger.trace("Did not find channel for {} in {}", channelName, refreshList);
 569         return null;
 570     }
 571
 572     private void updatePropsFromJsonArray(MiIoSendCommand response) {
 573         JsonArray res = response.getResult().getAsJsonArray();
 574         JsonArray para = JsonParser.parseString(response.getCommandString()).getAsJsonObject().get("params")
 575                 .getAsJsonArray();
 576         if (res.size() != para.size()) {
 577             logger.debug("Unexpected size different. Request size {},  response size {}. (Req: {}, Resp:{})",
 578                     para.size(), res.size(), para, res);
 579             return;
 580         }
 581         for (int i = 0; i < para.size(); i++) {
 582             // This is a miot parameter
 583             String param;
 584             final JsonElement paraElement = para.get(i);
 585             if (paraElement.isJsonObject()) { // miot channel
 586                 param = paraElement.getAsJsonObject().get("did").getAsString();
 587             } else {
 588                 param = paraElement.getAsString();
 589             }
 590             JsonElement val = res.get(i);
 591             if (val.isJsonNull()) {
 592                 logger.debug("Property '{}' returned null (is it supported?).", param);
 593                 continue;
 594             } else if (val.isJsonObject()) { // miot channel
 595                 val = val.getAsJsonObject().get("value");
 596             }
 597             MiIoBasicChannel basicChannel = getChannel(param);
 598             updateChannel(basicChannel, param, val);
 599         }
 600     }
 601
 602     private void updatePropsFromJsonObject(MiIoSendCommand response) {
 603         JsonObject res = response.getResult().getAsJsonObject();
 604         for (Object k : res.keySet()) {
 605             String param = (String) k;
 606             JsonElement val = res.get(param);
 607             if (val.isJsonNull()) {
 608                 logger.debug("Property '{}' returned null (is it supported?).", param);
 609                 continue;
 610             }
 611             MiIoBasicChannel basicChannel = getChannel(param);
 612             updateChannel(basicChannel, param, val);
 613         }
 614     }
 615
 616     private void updateChannel(@Nullable MiIoBasicChannel basicChannel, String param, JsonElement value) {
 617         JsonElement val = value;
 618         deviceVariables.put(param, val);
 619         if (basicChannel == null) {
 620             logger.debug("Channel not found for {}", param);
 621             return;
 622         }
 623         final String transformation = basicChannel.getTransformation();
 624         if (transformation != null) {
 625             JsonElement transformed = Conversions.execute(transformation, val, deviceVariables);
 626             logger.debug("Transformed with '{}': {} {} -> {} ", transformation, basicChannel.getFriendlyName(), val,
 627                     transformed);
 628             val = transformed;
 629         }
 630         try {
 631             String[] chType = basicChannel.getType().toLowerCase().split(":");
 632             switch (chType[0]) {
 633                 case "number":
 634                     quantityTypeUpdate(basicChannel, val, chType.length > 1 ? chType[1] : "");
 635                     break;
 636                 case "dimmer":
 637                     updateState(basicChannel.getChannel(), new PercentType(val.getAsBigDecimal()));
 638                     break;
 639                 case "string":
 640                     if (val.isJsonPrimitive()) {
 641                         updateState(basicChannel.getChannel(), new StringType(val.getAsString()));
 642                     } else {
 643                         updateState(basicChannel.getChannel(), new StringType(val.toString()));
 644                     }
 645                     break;
 646                 case "switch":
 647                     if (val.getAsJsonPrimitive().isNumber()) {
 648                         updateState(basicChannel.getChannel(), val.getAsInt() > 0 ? OnOffType.ON : OnOffType.OFF);
 649                     } else {
 650                         String strVal = val.getAsString().toLowerCase();
 651                         updateState(basicChannel.getChannel(),
 652                                 "on".equals(strVal) || "true".equals(strVal) || "1".equals(strVal) ? OnOffType.ON
 653                                         : OnOffType.OFF);
 654                     }
 655                     break;
 656                 case "contact":
 657                     if (val.getAsJsonPrimitive().isNumber()) {
 658                         updateState(basicChannel.getChannel(),
 659                                 val.getAsInt() > 0 ? OpenClosedType.OPEN : OpenClosedType.CLOSED);
 660                     } else {
 661                         String strVal = val.getAsString().toLowerCase();
 662                         updateState(basicChannel.getChannel(),
 663                                 "open".equals(strVal) || "on".equals(strVal) || "true".equals(strVal)
 664                                         || "1".equals(strVal) ? OpenClosedType.OPEN : OpenClosedType.CLOSED);
 665                     }
 666                     break;
 667                 case "color":
 668                     if (val.isJsonPrimitive()
 669                             && (val.getAsJsonPrimitive().isNumber() || val.getAsString().matches("^[0-9]+$"))) {
 670                         Color rgb = new Color(val.getAsInt());
 671                         HSBType hsb = HSBType.fromRGB(rgb.getRed(), rgb.getGreen(), rgb.getBlue());
 672                         updateState(basicChannel.getChannel(), hsb);
 673                     } else {
 674                         try {
 675                             HSBType hsb = HSBType.valueOf(val.getAsString().replace("[", "").replace("]", ""));
 676                             updateState(basicChannel.getChannel(), hsb);
 677                         } catch (IllegalArgumentException e) {
 678                             logger.debug("Failed updating channel '{}'. Could not convert '{}' to color",
 679                                     basicChannel.getChannel(), val.getAsString());
 680                         }
 681                     }
 682                     break;
 683                 default:
 684                     logger.debug("No update logic for channeltype '{}' ", basicChannel.getType());
 685             }
 686         } catch (Exception e) {
 687             logger.debug("Error updating {} property {} with '{}' : {}: {}", getThing().getUID(),
 688                     basicChannel.getChannel(), val, e.getClass().getCanonicalName(), e.getMessage());
 689             logger.trace("Property update error detail:", e);
 690         }
 691     }
 692
 693     private void quantityTypeUpdate(MiIoBasicChannel basicChannel, JsonElement val, String type) {
 694         if (!basicChannel.getUnit().isBlank()) {
 695             Unit<?> unit = MiIoQuantiyTypes.get(basicChannel.getUnit());
 696             if (unit != null) {
 697                 logger.debug("'{}' channel '{}' has unit '{}' with symbol '{}'.", getThing().getUID(),
 698                         basicChannel.getChannel(), basicChannel.getUnit(), unit);
 699                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), unit));
 700             } else {
 701                 logger.debug(
 702                         "Unit '{}' used by '{}' channel '{}' is not found in conversion table... Trying anyway to submit as the update.",
 703                         basicChannel.getUnit(), getThing().getUID(), basicChannel.getChannel());
 704                 updateState(basicChannel.getChannel(),
 705                         new QuantityType<>(val.getAsBigDecimal().toPlainString() + " " + basicChannel.getUnit()));
 706             }
 707             return;
 708         }
 709         // if no unit is provided or unit not found use default units, these units have so far been seen for miio
 710         // devices
 711         switch (type.toLowerCase()) {
 712             case "temperature":
 713                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), SIUnits.CELSIUS));
 714                 break;
 715             case "electriccurrent":
 716                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), Units.AMPERE));
 717                 break;
 718             case "energy":
 719                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), Units.WATT));
 720                 break;
 721             case "time":
 722                 updateState(basicChannel.getChannel(), new QuantityType<>(val.getAsBigDecimal(), Units.HOUR));
 723                 break;
 724             default:
 725                 updateState(basicChannel.getChannel(), new DecimalType(val.getAsBigDecimal()));
 726         }
 727     }
 728
 729     @Override
 730     public void onMessageReceived(MiIoSendCommand response) {
 731         super.onMessageReceived(response);
 732         if (response.isError()) {
 733             return;
 734         }
 735         try {
 736             switch (response.getCommand()) {
 737                 case MIIO_INFO:
 738                     break;
 739                 case GET_DEVICE_PROPERTY_EXP:
 740                 case GET_VALUE:
 741                 case GET_PROPERTIES:
 742                 case GET_PROPERTY:
 743                     if (response.getResult().isJsonArray()) {
 744                         updatePropsFromJsonArray(response);
 745                     } else if (response.getResult().isJsonObject()) {
 746                         updatePropsFromJsonObject(response);
 747                     }
 748                     break;
 749                 default:
 750                     String channel = cmds.get(response.getId());
 751                     if (channel != null) {
 752                         logger.debug("Processing custom refresh command response for '{}' - {}", response.getMethod(),
 753                                 response.getResult());
 754                         final MiIoBasicChannel ch = getCustomRefreshChannel(channel);
 755                         if (ch != null) {
 756                             if (response.getResult().isJsonArray()) {
 757                                 JsonArray cmdResponse = response.getResult().getAsJsonArray();
 758                                 final String transformation = ch.getTransformation();
 759                                 if (transformation == null || transformation.isBlank()) {
 760                                     JsonElement response0 = cmdResponse.get(0);
 761                                     updateChannel(ch, ch.getChannel(), response0.isJsonPrimitive() ? response0
 762                                             : new JsonPrimitive(response0.toString()));
 763                                 } else {
 764                                     updateChannel(ch, ch.getChannel(), cmdResponse);
 765                                 }
 766                             } else {
 767                                 updateChannel(ch, ch.getChannel(), new JsonPrimitive(response.getResult().toString()));
 768                             }
 769                         }
 770                         cmds.remove(response.getId());
 771                     }
 772                     break;
 773             }
 774         } catch (Exception e) {
 775             logger.debug("Error while handing message {}", response.getResponse(), e);
 776         }
 777     }
 778 }