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   1 /**
   2  * Copyright (c) 2010-2023 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.amazonechocontrol.internal.smarthome;
  14
  15 import static org.openhab.binding.amazonechocontrol.internal.smarthome.Constants.ITEM_TYPE_COLOR;
  16 import static org.openhab.binding.amazonechocontrol.internal.smarthome.Constants.ITEM_TYPE_STRING;
  17
  18 import java.io.IOException;
  19 import java.util.List;
  20 import java.util.Locale;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.amazonechocontrol.internal.AmazonEchoControlBindingConstants;
  25 import org.openhab.binding.amazonechocontrol.internal.Connection;
  26 import org.openhab.binding.amazonechocontrol.internal.handler.SmartHomeDeviceHandler;
  27 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeCapabilities.SmartHomeCapability;
  28 import org.openhab.binding.amazonechocontrol.internal.jsons.JsonSmartHomeDevices.SmartHomeDevice;
  29 import org.openhab.core.library.types.DecimalType;
  30 import org.openhab.core.library.types.HSBType;
  31 import org.openhab.core.library.types.PercentType;
  32 import org.openhab.core.library.types.StringType;
  33 import org.openhab.core.thing.type.ChannelTypeUID;
  34 import org.openhab.core.types.Command;
  35 import org.openhab.core.types.StateDescription;
  36 import org.openhab.core.types.UnDefType;
  37
  38 import com.google.gson.JsonObject;
  39
  40 /**
  41  * The {@link HandlerColorController} is responsible for the Alexa.ColorTemperatureController
  42  *
  43  * @author Lukas Knoeller - Initial contribution
  44  * @author Michael Geramb - Initial contribution
  45  */
  46 @NonNullByDefault
  47 public class HandlerColorController extends HandlerBase {
  48     // Interface
  49     public static final String INTERFACE = "Alexa.ColorController";
  50     public static final String INTERFACE_COLOR_PROPERTIES = "Alexa.ColorPropertiesController";
  51
  52     // Channel types
  53     private static final ChannelTypeUID CHANNEL_TYPE_COLOR_NAME = new ChannelTypeUID(
  54             AmazonEchoControlBindingConstants.BINDING_ID, "colorName");
  55
  56     private static final ChannelTypeUID CHANNEL_TYPE_COLOR = new ChannelTypeUID(
  57             AmazonEchoControlBindingConstants.BINDING_ID, "color");
  58
  59     // Channel and Properties
  60     private static final ChannelInfo COLOR = new ChannelInfo("color" /* propertyName */, "color" /* ChannelId */,
  61             CHANNEL_TYPE_COLOR /* Channel Type */, ITEM_TYPE_COLOR /* Item Type */);
  62
  63     private static final ChannelInfo COLOR_PROPERTIES = new ChannelInfo("colorProperties" /* propertyName */,
  64             "colorName" /* ChannelId */, CHANNEL_TYPE_COLOR_NAME /* Channel Type */, ITEM_TYPE_STRING /* Item Type */);
  65
  66     private @Nullable HSBType lastColor;
  67     private @Nullable String lastColorName;
  68
  69     public HandlerColorController(SmartHomeDeviceHandler smartHomeDeviceHandler) {
  70         super(smartHomeDeviceHandler);
  71     }
  72
  73     @Override
  74     public String[] getSupportedInterface() {
  75         return new String[] { INTERFACE, INTERFACE_COLOR_PROPERTIES };
  76     }
  77
  78     @Override
  79     protected ChannelInfo @Nullable [] findChannelInfos(SmartHomeCapability capability, String property) {
  80         if (COLOR.propertyName.contentEquals(property)) {
  81             return new ChannelInfo[] { COLOR, COLOR_PROPERTIES };
  82         }
  83         return null;
  84     }
  85
  86     @Override
  87     public void updateChannels(String interfaceName, List<JsonObject> stateList, UpdateChannelResult result) {
  88         if (INTERFACE.equals(interfaceName)) {
  89             // WRITING TO THIS CHANNEL DOES CURRENTLY NOT WORK, BUT WE LEAVE THE CODE FOR FUTURE USE!
  90             HSBType colorValue = null;
  91             for (JsonObject state : stateList) {
  92                 if (COLOR.propertyName.equals(state.get("name").getAsString())) {
  93                     JsonObject value = state.get("value").getAsJsonObject();
  94                     // For groups take the maximum
  95                     if (colorValue == null) {
  96                         colorValue = new HSBType(new DecimalType(value.get("hue").getAsInt()),
  97                                 new PercentType(value.get("saturation").getAsInt() * 100),
  98                                 new PercentType(value.get("brightness").getAsInt() * 100));
  99                     }
 100                 }
 101             }
 102             if (colorValue != null) {
 103                 if (!colorValue.equals(lastColor)) {
 104                     result.needSingleUpdate = true;
 105                     lastColor = colorValue;
 106                 }
 107             }
 108             updateState(COLOR.channelId, colorValue == null ? UnDefType.UNDEF : colorValue);
 109         }
 110         if (INTERFACE_COLOR_PROPERTIES.equals(interfaceName)) {
 111             String colorNameValue = null;
 112             for (JsonObject state : stateList) {
 113                 if (COLOR_PROPERTIES.propertyName.equals(state.get("name").getAsString())) {
 114                     if (colorNameValue == null) {
 115                         result.needSingleUpdate = false;
 116                         colorNameValue = state.get("value").getAsJsonObject().get("name").getAsString();
 117                     }
 118                 }
 119             }
 120             if (colorNameValue == null && lastColorName != null) {
 121                 colorNameValue = lastColorName;
 122             }
 123             lastColorName = colorNameValue;
 124             updateState(COLOR_PROPERTIES.channelId,
 125                     lastColorName == null ? UnDefType.UNDEF : new StringType(lastColorName));
 126         }
 127     }
 128
 129     @Override
 130     public boolean handleCommand(Connection connection, SmartHomeDevice shd, String entityId,
 131             List<SmartHomeCapability> capabilities, String channelId, Command command)
 132             throws IOException, InterruptedException {
 133         if (channelId.equals(COLOR.channelId)) {
 134             if (containsCapabilityProperty(capabilities, COLOR.propertyName)) {
 135                 if (command instanceof HSBType) {
 136                     HSBType color = ((HSBType) command);
 137                     JsonObject colorObject = new JsonObject();
 138                     colorObject.addProperty("hue", color.getHue());
 139                     colorObject.addProperty("saturation", color.getSaturation().floatValue() / 100);
 140                     colorObject.addProperty("brightness", color.getBrightness().floatValue() / 100);
 141                     connection.smartHomeCommand(entityId, "setColor", "value", colorObject);
 142                 }
 143             }
 144         }
 145         if (channelId.equals(COLOR_PROPERTIES.channelId)) {
 146             if (containsCapabilityProperty(capabilities, COLOR.propertyName)) {
 147                 if (command instanceof StringType) {
 148                     String colorName = command.toFullString();
 149                     if (!colorName.isEmpty()) {
 150                         lastColorName = colorName;
 151                         connection.smartHomeCommand(entityId, "setColor", "colorName", colorName);
 152                         return true;
 153                     }
 154                 }
 155             }
 156         }
 157         return false;
 158     }
 159
 160     @Override
 161     public @Nullable StateDescription findStateDescription(String channelId, StateDescription originalStateDescription,
 162             @Nullable Locale locale) {
 163         return null;
 164     }
 165 }