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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.mqtt.homeassistant.internal.component;
  14
  15 import java.math.BigDecimal;
  16 import java.util.Objects;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.mqtt.generic.ChannelStateUpdateListener;
  21 import org.openhab.binding.mqtt.generic.mapping.ColorMode;
  22 import org.openhab.binding.mqtt.generic.values.ColorValue;
  23 import org.openhab.binding.mqtt.generic.values.TextValue;
  24 import org.openhab.binding.mqtt.homeassistant.internal.ComponentChannel;
  25 import org.openhab.core.library.types.DecimalType;
  26 import org.openhab.core.library.types.HSBType;
  27 import org.openhab.core.library.types.OnOffType;
  28 import org.openhab.core.library.types.PercentType;
  29 import org.openhab.core.library.types.StringType;
  30 import org.openhab.core.thing.ChannelUID;
  31 import org.openhab.core.types.Command;
  32 import org.openhab.core.types.State;
  33 import org.openhab.core.types.UnDefType;
  34
  35 /**
  36  * A MQTT light, following the https://www.home-assistant.io/components/light.mqtt/ specification.
  37  *
  38  * Specifically, the default schema. This class will present a single channel for color, brightness,
  39  * or on/off as appropriate. Additional attributes are still exposed as dedicated channels.
  40  *
  41  * @author Cody Cutrer - Initial contribution
  42  */
  43 @NonNullByDefault
  44 public class DefaultSchemaLight extends Light {
  45     protected static final String HS_CHANNEL_ID = "hs";
  46     protected static final String RGB_CHANNEL_ID = "rgb";
  47     protected static final String RGBW_CHANNEL_ID = "rgbw";
  48     protected static final String RGBWW_CHANNEL_ID = "rgbww";
  49     protected static final String XY_CHANNEL_ID = "xy";
  50     protected static final String WHITE_CHANNEL_ID = "white";
  51
  52     protected @Nullable ComponentChannel hsChannel;
  53     protected @Nullable ComponentChannel rgbChannel;
  54     protected @Nullable ComponentChannel xyChannel;
  55
  56     public DefaultSchemaLight(ComponentFactory.ComponentConfiguration builder) {
  57         super(builder);
  58     }
  59
  60     @Override
  61     protected void buildChannels() {
  62         ComponentChannel localOnOffChannel;
  63         localOnOffChannel = onOffChannel = buildChannel(ON_OFF_CHANNEL_ID, onOffValue, "On/Off State", this)
  64                 .stateTopic(channelConfiguration.stateTopic, channelConfiguration.stateValueTemplate)
  65                 .commandTopic(channelConfiguration.commandTopic, channelConfiguration.isRetain(),
  66                         channelConfiguration.getQos())
  67                 .commandFilter(this::handleRawOnOffCommand).build(false);
  68
  69         @Nullable
  70         ComponentChannel localBrightnessChannel = null;
  71         if (channelConfiguration.brightnessStateTopic != null || channelConfiguration.brightnessCommandTopic != null) {
  72             localBrightnessChannel = brightnessChannel = buildChannel(BRIGHTNESS_CHANNEL_ID, brightnessValue,
  73                     "Brightness", this)
  74                     .stateTopic(channelConfiguration.brightnessStateTopic, channelConfiguration.brightnessValueTemplate)
  75                     .commandTopic(channelConfiguration.brightnessCommandTopic, channelConfiguration.isRetain(),
  76                             channelConfiguration.getQos())
  77                     .withFormat("%.0f").commandFilter(this::handleBrightnessCommand).build(false);
  78         }
  79
  80         if (channelConfiguration.whiteCommandTopic != null) {
  81             buildChannel(WHITE_CHANNEL_ID, brightnessValue, "Go directly to white of a specific brightness", this)
  82                     .commandTopic(channelConfiguration.whiteCommandTopic, channelConfiguration.isRetain(),
  83                             channelConfiguration.getQos())
  84                     .isAdvanced(true).build();
  85         }
  86
  87         if (channelConfiguration.colorModeStateTopic != null) {
  88             buildChannel(COLOR_MODE_CHANNEL_ID, new TextValue(), "Current color mode", this)
  89                     .stateTopic(channelConfiguration.colorModeStateTopic, channelConfiguration.colorModeValueTemplate)
  90                     .build();
  91         }
  92
  93         if (channelConfiguration.colorTempStateTopic != null || channelConfiguration.colorTempCommandTopic != null) {
  94             buildChannel(COLOR_TEMP_CHANNEL_ID, colorTempValue, "Color Temperature", this)
  95                     .stateTopic(channelConfiguration.colorTempStateTopic, channelConfiguration.colorTempValueTemplate)
  96                     .commandTopic(channelConfiguration.colorTempCommandTopic, channelConfiguration.isRetain(),
  97                             channelConfiguration.getQos())
  98                     .build();
  99         }
 100
 101         if (effectValue != null
 102                 && (channelConfiguration.effectStateTopic != null || channelConfiguration.effectCommandTopic != null)) {
 103             buildChannel(EFFECT_CHANNEL_ID, Objects.requireNonNull(effectValue), "Lighting Effect", this)
 104                     .stateTopic(channelConfiguration.effectStateTopic, channelConfiguration.effectValueTemplate)
 105                     .commandTopic(channelConfiguration.effectCommandTopic, channelConfiguration.isRetain(),
 106                             channelConfiguration.getQos())
 107                     .build();
 108         }
 109
 110         if (channelConfiguration.rgbStateTopic != null || channelConfiguration.rgbCommandTopic != null) {
 111             hasColorChannel = true;
 112             hiddenChannels.add(rgbChannel = buildChannel(RGB_CHANNEL_ID, new ColorValue(ColorMode.RGB, null, null, 100),
 113                     "RGB state", this)
 114                     .stateTopic(channelConfiguration.rgbStateTopic, channelConfiguration.rgbValueTemplate)
 115                     .commandTopic(channelConfiguration.rgbCommandTopic, channelConfiguration.isRetain(),
 116                             channelConfiguration.getQos())
 117                     .build(false));
 118         }
 119
 120         if (channelConfiguration.rgbwStateTopic != null || channelConfiguration.rgbwCommandTopic != null) {
 121             hasColorChannel = true;
 122             hiddenChannels.add(buildChannel(RGBW_CHANNEL_ID, new TextValue(), "RGBW state", this)
 123                     .stateTopic(channelConfiguration.rgbwStateTopic, channelConfiguration.rgbwValueTemplate)
 124                     .commandTopic(channelConfiguration.rgbwCommandTopic, channelConfiguration.isRetain(),
 125                             channelConfiguration.getQos())
 126                     .build(false));
 127         }
 128
 129         if (channelConfiguration.rgbwwStateTopic != null || channelConfiguration.rgbwwCommandTopic != null) {
 130             hasColorChannel = true;
 131             hiddenChannels.add(buildChannel(RGBWW_CHANNEL_ID, new TextValue(), "RGBWW state", this)
 132                     .stateTopic(channelConfiguration.rgbwwStateTopic, channelConfiguration.rgbwwValueTemplate)
 133                     .commandTopic(channelConfiguration.rgbwwCommandTopic, channelConfiguration.isRetain(),
 134                             channelConfiguration.getQos())
 135                     .build(false));
 136         }
 137
 138         if (channelConfiguration.xyStateTopic != null || channelConfiguration.xyCommandTopic != null) {
 139             hasColorChannel = true;
 140             hiddenChannels.add(
 141                     xyChannel = buildChannel(XY_CHANNEL_ID, new ColorValue(ColorMode.XYY, null, null, 100), "XY State",
 142                             this).stateTopic(channelConfiguration.xyStateTopic, channelConfiguration.xyValueTemplate)
 143                             .commandTopic(channelConfiguration.xyCommandTopic, channelConfiguration.isRetain(),
 144                                     channelConfiguration.getQos())
 145                             .build(false));
 146         }
 147
 148         if (channelConfiguration.hsStateTopic != null || channelConfiguration.hsCommandTopic != null) {
 149             hasColorChannel = true;
 150             hiddenChannels.add(this.hsChannel = buildChannel(HS_CHANNEL_ID, new TextValue(), "Hue and Saturation", this)
 151                     .stateTopic(channelConfiguration.hsStateTopic, channelConfiguration.hsValueTemplate)
 152                     .commandTopic(channelConfiguration.hsCommandTopic, channelConfiguration.isRetain(),
 153                             channelConfiguration.getQos())
 154                     .build(false));
 155         }
 156
 157         if (hasColorChannel) {
 158             hiddenChannels.add(localOnOffChannel);
 159             if (localBrightnessChannel != null) {
 160                 hiddenChannels.add(localBrightnessChannel);
 161             }
 162             buildChannel(COLOR_CHANNEL_ID, colorValue, "Color", this)
 163                     .commandTopic(DUMMY_TOPIC, channelConfiguration.isRetain(), channelConfiguration.getQos())
 164                     .commandFilter(this::handleColorCommand).build();
 165         } else if (localBrightnessChannel != null) {
 166             hiddenChannels.add(localOnOffChannel);
 167             channels.put(BRIGHTNESS_CHANNEL_ID, localBrightnessChannel);
 168         } else {
 169             channels.put(ON_OFF_CHANNEL_ID, localOnOffChannel);
 170         }
 171     }
 172
 173     // all handle*Command methods return false if they've been handled,
 174     // or true if default handling should continue
 175
 176     // The commandFilter for onOffChannel
 177     private boolean handleRawOnOffCommand(Command command) {
 178         // on_command_type of brightness is not allowed to send an actual on command
 179         if (command.equals(OnOffType.ON) && channelConfiguration.onCommandType.equals(ON_COMMAND_TYPE_BRIGHTNESS)) {
 180             // No prior state (or explicit off); set to 100%
 181             if (brightnessValue.getChannelState() instanceof UnDefType
 182                     || brightnessValue.getChannelState().equals(PercentType.ZERO)) {
 183                 brightnessChannel.getState().publishValue(PercentType.HUNDRED);
 184             } else {
 185                 brightnessChannel.getState().publishValue((Command) brightnessValue.getChannelState());
 186             }
 187             return false;
 188         }
 189
 190         return true;
 191     }
 192
 193     // The helper method the other commandFilters call
 194     private boolean handleOnOffCommand(Command command) {
 195         if (!handleRawOnOffCommand(command)) {
 196             return false;
 197         }
 198
 199         // OnOffType commands to go the regular command topic
 200         if (command instanceof OnOffType) {
 201             onOffChannel.getState().publishValue(command);
 202             return false;
 203         }
 204
 205         boolean needsOn = !onOffValue.getChannelState().equals(OnOffType.ON);
 206         if (command.equals(PercentType.ZERO) || command.equals(HSBType.BLACK)) {
 207             needsOn = false;
 208         }
 209         if (needsOn) {
 210             if (channelConfiguration.onCommandType.equals(ON_COMMAND_TYPE_FIRST)) {
 211                 onOffChannel.getState().publishValue(OnOffType.ON);
 212             } else if (channelConfiguration.onCommandType.equals(ON_COMMAND_TYPE_LAST)) {
 213                 // TODO: schedule the ON publish for after this is sent
 214             }
 215         }
 216         return true;
 217     }
 218
 219     private boolean handleBrightnessCommand(Command command) {
 220         // if it's OnOffType, it'll get handled by this; otherwise it'll return
 221         // true and PercentType will be handled as normal
 222         return handleOnOffCommand(command);
 223     }
 224
 225     private boolean handleColorCommand(Command command) {
 226         if (!handleOnOffCommand(command)) {
 227             return false;
 228         } else if (command instanceof HSBType color) {
 229             if (channelConfiguration.hsCommandTopic != null) {
 230                 // If we don't have a brightness channel, something is probably busted
 231                 // but don't choke
 232                 if (channelConfiguration.brightnessCommandTopic != null) {
 233                     brightnessChannel.getState().publishValue(color.getBrightness());
 234                 }
 235                 String hs = String.format("%d,%d", color.getHue().intValue(), color.getSaturation().intValue());
 236                 hsChannel.getState().publishValue(new StringType(hs));
 237             } else if (channelConfiguration.rgbCommandTopic != null) {
 238                 rgbChannel.getState().publishValue(command);
 239                 // } else if (channelConfiguration.rgbwCommandTopic != null) {
 240                 // TODO
 241                 // } else if (channelConfiguration.rgbwwCommandTopic != null) {
 242                 // TODO
 243             } else if (channelConfiguration.xyCommandTopic != null) {
 244                 PercentType[] xy = color.toXY();
 245                 // If we don't have a brightness channel, something is probably busted
 246                 // but don't choke
 247                 if (channelConfiguration.brightnessCommandTopic != null) {
 248                     brightnessChannel.getState().publishValue(color.getBrightness());
 249                 }
 250                 String xyString = String.format("%f,%f", xy[0].doubleValue(), xy[1].doubleValue());
 251                 xyChannel.getState().publishValue(new StringType(xyString));
 252             }
 253         } else if (command instanceof PercentType brightness) {
 254             if (channelConfiguration.brightnessCommandTopic != null) {
 255                 brightnessChannel.getState().publishValue(command);
 256             } else {
 257                 // No brightness command topic?! must be RGB only
 258                 // so re-calculatate
 259                 State color = colorValue.getChannelState();
 260                 if (color instanceof UnDefType) {
 261                     color = HSBType.WHITE;
 262                 }
 263                 HSBType existingColor = (HSBType) color;
 264                 HSBType newCommand = new HSBType(existingColor.getHue(), existingColor.getSaturation(), brightness);
 265                 // re-process
 266                 handleColorCommand(newCommand);
 267             }
 268         }
 269         return false;
 270     }
 271
 272     @Override
 273     public void updateChannelState(ChannelUID channel, State state) {
 274         ChannelStateUpdateListener listener = this.channelStateUpdateListener;
 275         switch (channel.getIdWithoutGroup()) {
 276             case ON_OFF_CHANNEL_ID:
 277                 if (hasColorChannel) {
 278                     HSBType newOnState = colorValue.getChannelState() instanceof HSBType
 279                             ? (HSBType) colorValue.getChannelState()
 280                             : HSBType.WHITE;
 281                     if (state.equals(OnOffType.ON)) {
 282                         colorValue.update(newOnState);
 283                     }
 284
 285                     listener.updateChannelState(buildChannelUID(COLOR_CHANNEL_ID),
 286                             state.equals(OnOffType.ON) ? newOnState : HSBType.BLACK);
 287                 } else if (brightnessChannel != null) {
 288                     listener.updateChannelState(new ChannelUID(channel.getThingUID(), BRIGHTNESS_CHANNEL_ID),
 289                             state.equals(OnOffType.ON) ? brightnessValue.getChannelState() : PercentType.ZERO);
 290                 } else {
 291                     listener.updateChannelState(channel, state);
 292                 }
 293                 return;
 294             case BRIGHTNESS_CHANNEL_ID:
 295                 onOffValue.update(Objects.requireNonNull(state.as(OnOffType.class)));
 296                 if (hasColorChannel) {
 297                     if (colorValue.getChannelState() instanceof HSBType) {
 298                         HSBType hsb = (HSBType) (colorValue.getChannelState());
 299                         colorValue.update(new HSBType(hsb.getHue(), hsb.getSaturation(),
 300                                 (PercentType) brightnessValue.getChannelState()));
 301                     } else {
 302                         colorValue.update(new HSBType(DecimalType.ZERO, PercentType.ZERO,
 303                                 (PercentType) brightnessValue.getChannelState()));
 304                     }
 305                     listener.updateChannelState(buildChannelUID(COLOR_CHANNEL_ID), colorValue.getChannelState());
 306                 } else {
 307                     listener.updateChannelState(channel, state);
 308                 }
 309                 return;
 310             case COLOR_TEMP_CHANNEL_ID:
 311             case EFFECT_CHANNEL_ID:
 312                 // Real channels; pass through
 313                 listener.updateChannelState(channel, state);
 314                 return;
 315             case HS_CHANNEL_ID:
 316             case XY_CHANNEL_ID:
 317                 if (brightnessValue.getChannelState() instanceof UnDefType) {
 318                     brightnessValue.update(PercentType.HUNDRED);
 319                 }
 320                 String[] split = state.toString().split(",");
 321                 if (split.length != 2) {
 322                     throw new IllegalArgumentException(state.toString() + " is not a valid string syntax");
 323                 }
 324                 float x = Float.parseFloat(split[0]);
 325                 float y = Float.parseFloat(split[1]);
 326                 PercentType brightness = (PercentType) brightnessValue.getChannelState();
 327                 if (channel.getIdWithoutGroup().equals(HS_CHANNEL_ID)) {
 328                     colorValue.update(new HSBType(new DecimalType(x), new PercentType(new BigDecimal(y)), brightness));
 329                 } else {
 330                     HSBType xyColor = HSBType.fromXY(x, y);
 331                     colorValue.update(new HSBType(xyColor.getHue(), xyColor.getSaturation(), brightness));
 332                 }
 333                 listener.updateChannelState(buildChannelUID(COLOR_CHANNEL_ID), colorValue.getChannelState());
 334                 return;
 335             case RGB_CHANNEL_ID:
 336                 colorValue.update((HSBType) state);
 337                 listener.updateChannelState(buildChannelUID(COLOR_CHANNEL_ID), colorValue.getChannelState());
 338                 break;
 339             case RGBW_CHANNEL_ID:
 340             case RGBWW_CHANNEL_ID:
 341                 // TODO: update color value
 342                 break;
 343         }
 344     }
 345 }