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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.hdpowerview.internal.handler;
  14
  15 import java.time.DayOfWeek;
  16 import java.time.LocalTime;
  17 import java.time.format.TextStyle;
  18 import java.util.ArrayList;
  19 import java.util.EnumSet;
  20 import java.util.HashMap;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.Map.Entry;
  24 import java.util.StringJoiner;
  25 import java.util.concurrent.CopyOnWriteArrayList;
  26 import java.util.concurrent.ScheduledFuture;
  27 import java.util.concurrent.TimeUnit;
  28
  29 import javax.ws.rs.ProcessingException;
  30
  31 import org.eclipse.jdt.annotation.NonNullByDefault;
  32 import org.eclipse.jdt.annotation.Nullable;
  33 import org.eclipse.jetty.client.HttpClient;
  34 import org.openhab.binding.hdpowerview.internal.HDPowerViewBindingConstants;
  35 import org.openhab.binding.hdpowerview.internal.HDPowerViewTranslationProvider;
  36 import org.openhab.binding.hdpowerview.internal.HDPowerViewWebTargets;
  37 import org.openhab.binding.hdpowerview.internal.HubMaintenanceException;
  38 import org.openhab.binding.hdpowerview.internal.HubProcessingException;
  39 import org.openhab.binding.hdpowerview.internal.api.responses.SceneCollections;
  40 import org.openhab.binding.hdpowerview.internal.api.responses.SceneCollections.SceneCollection;
  41 import org.openhab.binding.hdpowerview.internal.api.responses.Scenes;
  42 import org.openhab.binding.hdpowerview.internal.api.responses.Scenes.Scene;
  43 import org.openhab.binding.hdpowerview.internal.api.responses.ScheduledEvents;
  44 import org.openhab.binding.hdpowerview.internal.api.responses.ScheduledEvents.ScheduledEvent;
  45 import org.openhab.binding.hdpowerview.internal.api.responses.Shades;
  46 import org.openhab.binding.hdpowerview.internal.api.responses.Shades.ShadeData;
  47 import org.openhab.binding.hdpowerview.internal.config.HDPowerViewHubConfiguration;
  48 import org.openhab.binding.hdpowerview.internal.config.HDPowerViewShadeConfiguration;
  49 import org.openhab.core.library.CoreItemFactory;
  50 import org.openhab.core.library.types.OnOffType;
  51 import org.openhab.core.thing.Bridge;
  52 import org.openhab.core.thing.Channel;
  53 import org.openhab.core.thing.ChannelGroupUID;
  54 import org.openhab.core.thing.ChannelUID;
  55 import org.openhab.core.thing.Thing;
  56 import org.openhab.core.thing.ThingStatus;
  57 import org.openhab.core.thing.ThingStatusDetail;
  58 import org.openhab.core.thing.binding.BaseBridgeHandler;
  59 import org.openhab.core.thing.binding.ThingHandler;
  60 import org.openhab.core.thing.binding.builder.ChannelBuilder;
  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.JsonParseException;
  68
  69 /**
  70  * The {@link HDPowerViewHubHandler} is responsible for handling commands, which
  71  * are sent to one of the channels.
  72  *
  73  * @author Andy Lintner - Initial contribution
  74  * @author Andrew Fiddian-Green - Added support for secondary rail positions
  75  * @author Jacob Laursen - Added support for scene groups and automations
  76  */
  77 @NonNullByDefault
  78 public class HDPowerViewHubHandler extends BaseBridgeHandler {
  79
  80     private static final long INITIAL_SOFT_POLL_DELAY_MS = 5_000;
  81
  82     private final Logger logger = LoggerFactory.getLogger(HDPowerViewHubHandler.class);
  83     private final HttpClient httpClient;
  84     private final HDPowerViewTranslationProvider translationProvider;
  85
  86     private long refreshInterval;
  87     private long hardRefreshPositionInterval;
  88     private long hardRefreshBatteryLevelInterval;
  89
  90     private @Nullable HDPowerViewWebTargets webTargets;
  91     private @Nullable ScheduledFuture<?> pollFuture;
  92     private @Nullable ScheduledFuture<?> hardRefreshPositionFuture;
  93     private @Nullable ScheduledFuture<?> hardRefreshBatteryLevelFuture;
  94
  95     private List<Scene> sceneCache = new CopyOnWriteArrayList<>();
  96     private List<SceneCollection> sceneCollectionCache = new CopyOnWriteArrayList<>();
  97     private List<ScheduledEvent> scheduledEventCache = new CopyOnWriteArrayList<>();
  98     private Boolean deprecatedChannelsCreated = false;
  99
 100     private final ChannelTypeUID sceneChannelTypeUID = new ChannelTypeUID(HDPowerViewBindingConstants.BINDING_ID,
 101             HDPowerViewBindingConstants.CHANNELTYPE_SCENE_ACTIVATE);
 102
 103     private final ChannelTypeUID sceneGroupChannelTypeUID = new ChannelTypeUID(HDPowerViewBindingConstants.BINDING_ID,
 104             HDPowerViewBindingConstants.CHANNELTYPE_SCENE_GROUP_ACTIVATE);
 105
 106     private final ChannelTypeUID automationChannelTypeUID = new ChannelTypeUID(HDPowerViewBindingConstants.BINDING_ID,
 107             HDPowerViewBindingConstants.CHANNELTYPE_AUTOMATION_ENABLED);
 108
 109     public HDPowerViewHubHandler(Bridge bridge, HttpClient httpClient,
 110             HDPowerViewTranslationProvider translationProvider) {
 111         super(bridge);
 112         this.httpClient = httpClient;
 113         this.translationProvider = translationProvider;
 114     }
 115
 116     @Override
 117     public void handleCommand(ChannelUID channelUID, Command command) {
 118         if (RefreshType.REFRESH == command) {
 119             requestRefreshShadePositions();
 120             return;
 121         }
 122
 123         Channel channel = getThing().getChannel(channelUID.getId());
 124         if (channel == null) {
 125             return;
 126         }
 127
 128         try {
 129             HDPowerViewWebTargets webTargets = this.webTargets;
 130             if (webTargets == null) {
 131                 throw new ProcessingException("Web targets not initialized");
 132             }
 133             int id = Integer.parseInt(channelUID.getIdWithoutGroup());
 134             if (sceneChannelTypeUID.equals(channel.getChannelTypeUID()) && OnOffType.ON == command) {
 135                 webTargets.activateScene(id);
 136                 // Reschedule soft poll for immediate shade position update.
 137                 scheduleSoftPoll(0);
 138             } else if (sceneGroupChannelTypeUID.equals(channel.getChannelTypeUID()) && OnOffType.ON == command) {
 139                 webTargets.activateSceneCollection(id);
 140                 // Reschedule soft poll for immediate shade position update.
 141                 scheduleSoftPoll(0);
 142             } else if (automationChannelTypeUID.equals(channel.getChannelTypeUID())) {
 143                 webTargets.enableScheduledEvent(id, OnOffType.ON == command);
 144             }
 145         } catch (HubMaintenanceException e) {
 146             // exceptions are logged in HDPowerViewWebTargets
 147         } catch (NumberFormatException | HubProcessingException e) {
 148             logger.debug("Unexpected error {}", e.getMessage());
 149         }
 150     }
 151
 152     @Override
 153     public void initialize() {
 154         logger.debug("Initializing hub");
 155         HDPowerViewHubConfiguration config = getConfigAs(HDPowerViewHubConfiguration.class);
 156         String host = config.host;
 157
 158         if (host == null || host.isEmpty()) {
 159             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
 160                     "@text/offline.conf-error.no-host-address");
 161             return;
 162         }
 163
 164         webTargets = new HDPowerViewWebTargets(httpClient, host);
 165         refreshInterval = config.refresh;
 166         hardRefreshPositionInterval = config.hardRefresh;
 167         hardRefreshBatteryLevelInterval = config.hardRefreshBatteryLevel;
 168         initializeChannels();
 169         schedulePoll();
 170     }
 171
 172     private void initializeChannels() {
 173         // Rebuild dynamic channels and synchronize with cache.
 174         updateThing(editThing().withChannels(new ArrayList<Channel>()).build());
 175         sceneCache.clear();
 176         sceneCollectionCache.clear();
 177         scheduledEventCache.clear();
 178         deprecatedChannelsCreated = false;
 179     }
 180
 181     public @Nullable HDPowerViewWebTargets getWebTargets() {
 182         return webTargets;
 183     }
 184
 185     @Override
 186     public void handleRemoval() {
 187         super.handleRemoval();
 188         stopPoll();
 189     }
 190
 191     @Override
 192     public void dispose() {
 193         super.dispose();
 194         stopPoll();
 195     }
 196
 197     private void schedulePoll() {
 198         scheduleSoftPoll(INITIAL_SOFT_POLL_DELAY_MS);
 199         scheduleHardPoll();
 200     }
 201
 202     private void scheduleSoftPoll(long initialDelay) {
 203         ScheduledFuture<?> future = this.pollFuture;
 204         if (future != null) {
 205             future.cancel(false);
 206         }
 207         logger.debug("Scheduling poll for {} ms out, then every {} ms", initialDelay, refreshInterval);
 208         this.pollFuture = scheduler.scheduleWithFixedDelay(this::poll, initialDelay, refreshInterval,
 209                 TimeUnit.MILLISECONDS);
 210     }
 211
 212     private void scheduleHardPoll() {
 213         ScheduledFuture<?> future = this.hardRefreshPositionFuture;
 214         if (future != null) {
 215             future.cancel(false);
 216         }
 217         if (hardRefreshPositionInterval > 0) {
 218             logger.debug("Scheduling hard position refresh every {} minutes", hardRefreshPositionInterval);
 219             this.hardRefreshPositionFuture = scheduler.scheduleWithFixedDelay(this::requestRefreshShadePositions, 1,
 220                     hardRefreshPositionInterval, TimeUnit.MINUTES);
 221         }
 222
 223         future = this.hardRefreshBatteryLevelFuture;
 224         if (future != null) {
 225             future.cancel(false);
 226         }
 227         if (hardRefreshBatteryLevelInterval > 0) {
 228             logger.debug("Scheduling hard battery level refresh every {} hours", hardRefreshBatteryLevelInterval);
 229             this.hardRefreshBatteryLevelFuture = scheduler.scheduleWithFixedDelay(
 230                     this::requestRefreshShadeBatteryLevels, 1, hardRefreshBatteryLevelInterval, TimeUnit.HOURS);
 231         }
 232     }
 233
 234     private synchronized void stopPoll() {
 235         ScheduledFuture<?> future = this.pollFuture;
 236         if (future != null) {
 237             future.cancel(true);
 238         }
 239         this.pollFuture = null;
 240
 241         future = this.hardRefreshPositionFuture;
 242         if (future != null) {
 243             future.cancel(true);
 244         }
 245         this.hardRefreshPositionFuture = null;
 246
 247         future = this.hardRefreshBatteryLevelFuture;
 248         if (future != null) {
 249             future.cancel(true);
 250         }
 251         this.hardRefreshBatteryLevelFuture = null;
 252     }
 253
 254     private synchronized void poll() {
 255         try {
 256             logger.debug("Polling for state");
 257             pollShades();
 258
 259             List<Scene> scenes = updateSceneChannels();
 260             List<SceneCollection> sceneCollections = updateSceneCollectionChannels();
 261             List<ScheduledEvent> scheduledEvents = updateScheduledEventChannels(scenes, sceneCollections);
 262
 263             // Scheduled events should also have their current state updated if event has been
 264             // enabled or disabled through app or other integration.
 265             updateScheduledEventStates(scheduledEvents);
 266         } catch (JsonParseException e) {
 267             logger.warn("Bridge returned a bad JSON response: {}", e.getMessage());
 268         } catch (HubProcessingException e) {
 269             logger.warn("Error connecting to bridge: {}", e.getMessage());
 270             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE, e.getMessage());
 271         } catch (HubMaintenanceException e) {
 272             // exceptions are logged in HDPowerViewWebTargets
 273         }
 274     }
 275
 276     private void pollShades() throws JsonParseException, HubProcessingException, HubMaintenanceException {
 277         HDPowerViewWebTargets webTargets = this.webTargets;
 278         if (webTargets == null) {
 279             throw new ProcessingException("Web targets not initialized");
 280         }
 281
 282         Shades shades = webTargets.getShades();
 283         if (shades == null) {
 284             throw new JsonParseException("Missing 'shades' element");
 285         }
 286
 287         List<ShadeData> shadesData = shades.shadeData;
 288         if (shadesData == null) {
 289             throw new JsonParseException("Missing 'shades.shadeData' element");
 290         }
 291
 292         updateStatus(ThingStatus.ONLINE);
 293         logger.debug("Received data for {} shades", shadesData.size());
 294
 295         Map<String, ShadeData> idShadeDataMap = getIdShadeDataMap(shadesData);
 296         Map<Thing, String> thingIdMap = getThingIdMap();
 297         for (Entry<Thing, String> item : thingIdMap.entrySet()) {
 298             Thing thing = item.getKey();
 299             String shadeId = item.getValue();
 300             ShadeData shadeData = idShadeDataMap.get(shadeId);
 301             updateShadeThing(shadeId, thing, shadeData);
 302         }
 303     }
 304
 305     private void updateShadeThing(String shadeId, Thing thing, @Nullable ShadeData shadeData) {
 306         HDPowerViewShadeHandler thingHandler = ((HDPowerViewShadeHandler) thing.getHandler());
 307         if (thingHandler == null) {
 308             logger.debug("Shade '{}' handler not initialized", shadeId);
 309             return;
 310         }
 311         if (shadeData == null) {
 312             logger.debug("Shade '{}' has no data in hub", shadeId);
 313         } else {
 314             logger.debug("Updating shade '{}'", shadeId);
 315         }
 316         thingHandler.onReceiveUpdate(shadeData);
 317     }
 318
 319     private List<Scene> fetchScenes() throws JsonParseException, HubProcessingException, HubMaintenanceException {
 320         HDPowerViewWebTargets webTargets = this.webTargets;
 321         if (webTargets == null) {
 322             throw new ProcessingException("Web targets not initialized");
 323         }
 324
 325         Scenes scenes = webTargets.getScenes();
 326         if (scenes == null) {
 327             throw new JsonParseException("Missing 'scenes' element");
 328         }
 329
 330         List<Scene> sceneData = scenes.sceneData;
 331         if (sceneData == null) {
 332             throw new JsonParseException("Missing 'scenes.sceneData' element");
 333         }
 334         logger.debug("Received data for {} scenes", sceneData.size());
 335
 336         return sceneData;
 337     }
 338
 339     private List<Scene> updateSceneChannels()
 340             throws JsonParseException, HubProcessingException, HubMaintenanceException {
 341         List<Scene> scenes = fetchScenes();
 342
 343         if (scenes.size() == sceneCache.size() && sceneCache.containsAll(scenes)) {
 344             // Duplicates are not allowed. Reordering is not supported.
 345             logger.debug("Preserving scene channels, no changes detected");
 346             return scenes;
 347         }
 348
 349         logger.debug("Updating all scene channels, changes detected");
 350         sceneCache = new CopyOnWriteArrayList<Scene>(scenes);
 351
 352         List<Channel> allChannels = new ArrayList<>(getThing().getChannels());
 353         allChannels.removeIf(c -> HDPowerViewBindingConstants.CHANNEL_GROUP_SCENES.equals(c.getUID().getGroupId()));
 354         scenes.stream().sorted().forEach(scene -> allChannels.add(createSceneChannel(scene)));
 355         updateThing(editThing().withChannels(allChannels).build());
 356
 357         createDeprecatedSceneChannels(scenes);
 358
 359         return scenes;
 360     }
 361
 362     private Channel createSceneChannel(Scene scene) {
 363         ChannelGroupUID channelGroupUid = new ChannelGroupUID(thing.getUID(),
 364                 HDPowerViewBindingConstants.CHANNEL_GROUP_SCENES);
 365         ChannelUID channelUid = new ChannelUID(channelGroupUid, Integer.toString(scene.id));
 366         String description = translationProvider.getText("dynamic-channel.scene-activate.description", scene.getName());
 367         Channel channel = ChannelBuilder.create(channelUid, CoreItemFactory.SWITCH).withType(sceneChannelTypeUID)
 368                 .withLabel(scene.getName()).withDescription(description).build();
 369
 370         return channel;
 371     }
 372
 373     /**
 374      * Create backwards compatible scene channels if any items configured before release 3.2
 375      * are still linked. Users should have a reasonable amount of time to migrate to the new
 376      * scene channels that are connected to a channel group.
 377      */
 378     private void createDeprecatedSceneChannels(List<Scene> scenes) {
 379         if (deprecatedChannelsCreated) {
 380             // Only do this once.
 381             return;
 382         }
 383         ChannelGroupUID channelGroupUid = new ChannelGroupUID(thing.getUID(),
 384                 HDPowerViewBindingConstants.CHANNEL_GROUP_SCENES);
 385         for (Scene scene : scenes) {
 386             String channelId = Integer.toString(scene.id);
 387             ChannelUID newChannelUid = new ChannelUID(channelGroupUid, channelId);
 388             ChannelUID deprecatedChannelUid = new ChannelUID(getThing().getUID(), channelId);
 389             String description = translationProvider.getText("dynamic-channel.scene-activate.deprecated.description",
 390                     scene.getName());
 391             Channel channel = ChannelBuilder.create(deprecatedChannelUid, CoreItemFactory.SWITCH)
 392                     .withType(sceneChannelTypeUID).withLabel(scene.getName()).withDescription(description).build();
 393             logger.debug("Creating deprecated channel '{}' ('{}') to probe for linked items", deprecatedChannelUid,
 394                     scene.getName());
 395             updateThing(editThing().withChannel(channel).build());
 396             if (this.isLinked(deprecatedChannelUid) && !this.isLinked(newChannelUid)) {
 397                 logger.warn("Created deprecated channel '{}' ('{}'), please link items to '{}' instead",
 398                         deprecatedChannelUid, scene.getName(), newChannelUid);
 399             } else {
 400                 if (this.isLinked(newChannelUid)) {
 401                     logger.debug("Removing deprecated channel '{}' ('{}') since new channel '{}' is linked",
 402                             deprecatedChannelUid, scene.getName(), newChannelUid);
 403
 404                 } else {
 405                     logger.debug("Removing deprecated channel '{}' ('{}') since it has no linked items",
 406                             deprecatedChannelUid, scene.getName());
 407                 }
 408                 updateThing(editThing().withoutChannel(deprecatedChannelUid).build());
 409             }
 410         }
 411         deprecatedChannelsCreated = true;
 412     }
 413
 414     private List<SceneCollection> fetchSceneCollections()
 415             throws JsonParseException, HubProcessingException, HubMaintenanceException {
 416         HDPowerViewWebTargets webTargets = this.webTargets;
 417         if (webTargets == null) {
 418             throw new ProcessingException("Web targets not initialized");
 419         }
 420
 421         SceneCollections sceneCollections = webTargets.getSceneCollections();
 422         if (sceneCollections == null) {
 423             throw new JsonParseException("Missing 'sceneCollections' element");
 424         }
 425
 426         List<SceneCollection> sceneCollectionData = sceneCollections.sceneCollectionData;
 427         if (sceneCollectionData == null) {
 428             throw new JsonParseException("Missing 'sceneCollections.sceneCollectionData' element");
 429         }
 430         logger.debug("Received data for {} sceneCollections", sceneCollectionData.size());
 431
 432         return sceneCollectionData;
 433     }
 434
 435     private List<SceneCollection> updateSceneCollectionChannels()
 436             throws JsonParseException, HubProcessingException, HubMaintenanceException {
 437         List<SceneCollection> sceneCollections = fetchSceneCollections();
 438
 439         if (sceneCollections.size() == sceneCollectionCache.size()
 440                 && sceneCollectionCache.containsAll(sceneCollections)) {
 441             // Duplicates are not allowed. Reordering is not supported.
 442             logger.debug("Preserving scene collection channels, no changes detected");
 443             return sceneCollections;
 444         }
 445
 446         logger.debug("Updating all scene collection channels, changes detected");
 447         sceneCollectionCache = new CopyOnWriteArrayList<SceneCollection>(sceneCollections);
 448
 449         List<Channel> allChannels = new ArrayList<>(getThing().getChannels());
 450         allChannels
 451                 .removeIf(c -> HDPowerViewBindingConstants.CHANNEL_GROUP_SCENE_GROUPS.equals(c.getUID().getGroupId()));
 452         sceneCollections.stream().sorted()
 453                 .forEach(sceneCollection -> allChannels.add(createSceneCollectionChannel(sceneCollection)));
 454         updateThing(editThing().withChannels(allChannels).build());
 455
 456         return sceneCollections;
 457     }
 458
 459     private Channel createSceneCollectionChannel(SceneCollection sceneCollection) {
 460         ChannelGroupUID channelGroupUid = new ChannelGroupUID(thing.getUID(),
 461                 HDPowerViewBindingConstants.CHANNEL_GROUP_SCENE_GROUPS);
 462         ChannelUID channelUid = new ChannelUID(channelGroupUid, Integer.toString(sceneCollection.id));
 463         String description = translationProvider.getText("dynamic-channel.scene-group-activate.description",
 464                 sceneCollection.getName());
 465         Channel channel = ChannelBuilder.create(channelUid, CoreItemFactory.SWITCH).withType(sceneGroupChannelTypeUID)
 466                 .withLabel(sceneCollection.getName()).withDescription(description).build();
 467
 468         return channel;
 469     }
 470
 471     private List<ScheduledEvent> fetchScheduledEvents()
 472             throws JsonParseException, HubProcessingException, HubMaintenanceException {
 473         HDPowerViewWebTargets webTargets = this.webTargets;
 474         if (webTargets == null) {
 475             throw new ProcessingException("Web targets not initialized");
 476         }
 477
 478         ScheduledEvents scheduledEvents = webTargets.getScheduledEvents();
 479         if (scheduledEvents == null) {
 480             throw new JsonParseException("Missing 'scheduledEvents' element");
 481         }
 482
 483         List<ScheduledEvent> scheduledEventData = scheduledEvents.scheduledEventData;
 484         if (scheduledEventData == null) {
 485             throw new JsonParseException("Missing 'scheduledEvents.scheduledEventData' element");
 486         }
 487         logger.debug("Received data for {} scheduledEvents", scheduledEventData.size());
 488
 489         return scheduledEventData;
 490     }
 491
 492     private List<ScheduledEvent> updateScheduledEventChannels(List<Scene> scenes,
 493             List<SceneCollection> sceneCollections)
 494             throws JsonParseException, HubProcessingException, HubMaintenanceException {
 495         List<ScheduledEvent> scheduledEvents = fetchScheduledEvents();
 496
 497         if (scheduledEvents.size() == scheduledEventCache.size() && scheduledEventCache.containsAll(scheduledEvents)) {
 498             // Duplicates are not allowed. Reordering is not supported.
 499             logger.debug("Preserving scheduled event channels, no changes detected");
 500             return scheduledEvents;
 501         }
 502
 503         logger.debug("Updating all scheduled event channels, changes detected");
 504         scheduledEventCache = new CopyOnWriteArrayList<ScheduledEvent>(scheduledEvents);
 505
 506         List<Channel> allChannels = new ArrayList<>(getThing().getChannels());
 507         allChannels
 508                 .removeIf(c -> HDPowerViewBindingConstants.CHANNEL_GROUP_AUTOMATIONS.equals(c.getUID().getGroupId()));
 509         scheduledEvents.stream().forEach(scheduledEvent -> {
 510             Channel channel = createScheduledEventChannel(scheduledEvent, scenes, sceneCollections);
 511             if (channel != null) {
 512                 allChannels.add(channel);
 513             }
 514         });
 515         updateThing(editThing().withChannels(allChannels).build());
 516
 517         return scheduledEvents;
 518     }
 519
 520     private @Nullable Channel createScheduledEventChannel(ScheduledEvent scheduledEvent, List<Scene> scenes,
 521             List<SceneCollection> sceneCollections) {
 522         String referencedName = getReferencedSceneOrSceneCollectionName(scheduledEvent, scenes, sceneCollections);
 523         if (referencedName == null) {
 524             return null;
 525         }
 526         ChannelGroupUID channelGroupUid = new ChannelGroupUID(thing.getUID(),
 527                 HDPowerViewBindingConstants.CHANNEL_GROUP_AUTOMATIONS);
 528         ChannelUID channelUid = new ChannelUID(channelGroupUid, Integer.toString(scheduledEvent.id));
 529         String label = getScheduledEventName(referencedName, scheduledEvent);
 530         String description = translationProvider.getText("dynamic-channel.automation-enabled.description",
 531                 referencedName);
 532         Channel channel = ChannelBuilder.create(channelUid, CoreItemFactory.SWITCH).withType(automationChannelTypeUID)
 533                 .withLabel(label).withDescription(description).build();
 534
 535         return channel;
 536     }
 537
 538     private @Nullable String getReferencedSceneOrSceneCollectionName(ScheduledEvent scheduledEvent, List<Scene> scenes,
 539             List<SceneCollection> sceneCollections) {
 540         if (scheduledEvent.sceneId > 0) {
 541             for (Scene scene : scenes) {
 542                 if (scene.id == scheduledEvent.sceneId) {
 543                     return scene.getName();
 544                 }
 545             }
 546             logger.error("Scene '{}' was not found for scheduled event '{}'", scheduledEvent.sceneId,
 547                     scheduledEvent.id);
 548             return null;
 549         } else if (scheduledEvent.sceneCollectionId > 0) {
 550             for (SceneCollection sceneCollection : sceneCollections) {
 551                 if (sceneCollection.id == scheduledEvent.sceneCollectionId) {
 552                     return sceneCollection.getName();
 553                 }
 554             }
 555             logger.error("Scene collection '{}' was not found for scheduled event '{}'",
 556                     scheduledEvent.sceneCollectionId, scheduledEvent.id);
 557             return null;
 558         } else {
 559             logger.error("Scheduled event '{}'' not related to any scene or scene collection", scheduledEvent.id);
 560             return null;
 561         }
 562     }
 563
 564     private String getScheduledEventName(String sceneName, ScheduledEvent scheduledEvent) {
 565         String timeString, daysString;
 566
 567         switch (scheduledEvent.eventType) {
 568             case ScheduledEvents.SCHEDULED_EVENT_TYPE_TIME:
 569                 timeString = LocalTime.of(scheduledEvent.hour, scheduledEvent.minute).toString();
 570                 break;
 571             case ScheduledEvents.SCHEDULED_EVENT_TYPE_SUNRISE:
 572                 if (scheduledEvent.minute == 0) {
 573                     timeString = translationProvider.getText("dynamic-channel.automation.at_sunrise");
 574                 } else if (scheduledEvent.minute < 0) {
 575                     timeString = translationProvider.getText("dynamic-channel.automation.before_sunrise",
 576                             getFormattedTimeOffset(-scheduledEvent.minute));
 577                 } else {
 578                     timeString = translationProvider.getText("dynamic-channel.automation.after_sunrise",
 579                             getFormattedTimeOffset(scheduledEvent.minute));
 580                 }
 581                 break;
 582             case ScheduledEvents.SCHEDULED_EVENT_TYPE_SUNSET:
 583                 if (scheduledEvent.minute == 0) {
 584                     timeString = translationProvider.getText("dynamic-channel.automation.at_sunset");
 585                 } else if (scheduledEvent.minute < 0) {
 586                     timeString = translationProvider.getText("dynamic-channel.automation.before_sunset",
 587                             getFormattedTimeOffset(-scheduledEvent.minute));
 588                 } else {
 589                     timeString = translationProvider.getText("dynamic-channel.automation.after_sunset",
 590                             getFormattedTimeOffset(scheduledEvent.minute));
 591                 }
 592                 break;
 593             default:
 594                 return sceneName;
 595         }
 596
 597         EnumSet<DayOfWeek> days = scheduledEvent.getDays();
 598         if (EnumSet.allOf(DayOfWeek.class).equals(days)) {
 599             daysString = translationProvider.getText("dynamic-channel.automation.all-days");
 600         } else if (ScheduledEvents.WEEKDAYS.equals(days)) {
 601             daysString = translationProvider.getText("dynamic-channel.automation.weekdays");
 602         } else if (ScheduledEvents.WEEKENDS.equals(days)) {
 603             daysString = translationProvider.getText("dynamic-channel.automation.weekends");
 604         } else {
 605             StringJoiner joiner = new StringJoiner(", ");
 606             days.forEach(day -> joiner.add(day.getDisplayName(TextStyle.SHORT, translationProvider.getLocale())));
 607             daysString = joiner.toString();
 608         }
 609
 610         return translationProvider.getText("dynamic-channel.automation-enabled.label", sceneName, timeString,
 611                 daysString);
 612     }
 613
 614     private String getFormattedTimeOffset(int minutes) {
 615         if (minutes >= 60) {
 616             int remainder = minutes % 60;
 617             if (remainder == 0) {
 618                 return translationProvider.getText("dynamic-channel.automation.hour", minutes / 60);
 619             }
 620             return translationProvider.getText("dynamic-channel.automation.hour-minute", minutes / 60, remainder);
 621         }
 622         return translationProvider.getText("dynamic-channel.automation.minute", minutes);
 623     }
 624
 625     private void updateScheduledEventStates(List<ScheduledEvent> scheduledEvents) {
 626         ChannelGroupUID channelGroupUid = new ChannelGroupUID(thing.getUID(),
 627                 HDPowerViewBindingConstants.CHANNEL_GROUP_AUTOMATIONS);
 628         for (ScheduledEvent scheduledEvent : scheduledEvents) {
 629             String scheduledEventId = Integer.toString(scheduledEvent.id);
 630             ChannelUID channelUid = new ChannelUID(channelGroupUid, scheduledEventId);
 631             updateState(channelUid, scheduledEvent.enabled ? OnOffType.ON : OnOffType.OFF);
 632         }
 633     }
 634
 635     private Map<Thing, String> getThingIdMap() {
 636         Map<Thing, String> ret = new HashMap<>();
 637         for (Thing thing : getThing().getThings()) {
 638             String id = thing.getConfiguration().as(HDPowerViewShadeConfiguration.class).id;
 639             if (id != null && !id.isEmpty()) {
 640                 ret.put(thing, id);
 641             }
 642         }
 643         return ret;
 644     }
 645
 646     private Map<String, ShadeData> getIdShadeDataMap(List<ShadeData> shadeData) {
 647         Map<String, ShadeData> ret = new HashMap<>();
 648         for (ShadeData shade : shadeData) {
 649             if (shade.id != 0) {
 650                 ret.put(Integer.toString(shade.id), shade);
 651             }
 652         }
 653         return ret;
 654     }
 655
 656     private void requestRefreshShadePositions() {
 657         Map<Thing, String> thingIdMap = getThingIdMap();
 658         for (Entry<Thing, String> item : thingIdMap.entrySet()) {
 659             Thing thing = item.getKey();
 660             ThingHandler handler = thing.getHandler();
 661             if (handler instanceof HDPowerViewShadeHandler) {
 662                 ((HDPowerViewShadeHandler) handler).requestRefreshShadePosition();
 663             } else {
 664                 String shadeId = item.getValue();
 665                 logger.debug("Shade '{}' handler not initialized", shadeId);
 666             }
 667         }
 668     }
 669
 670     private void requestRefreshShadeBatteryLevels() {
 671         Map<Thing, String> thingIdMap = getThingIdMap();
 672         for (Entry<Thing, String> item : thingIdMap.entrySet()) {
 673             Thing thing = item.getKey();
 674             ThingHandler handler = thing.getHandler();
 675             if (handler instanceof HDPowerViewShadeHandler) {
 676                 ((HDPowerViewShadeHandler) handler).requestRefreshShadeBatteryLevel();
 677             } else {
 678                 String shadeId = item.getValue();
 679                 logger.debug("Shade '{}' handler not initialized", shadeId);
 680             }
 681         }
 682     }
 683 }