लाइट डिवाइस गाइड

import com.google.home.HomeDevice
import com.google.home.Structure
import com.google.home.google.DayOfWeek
import com.google.home.google.ExtendedColorControl
import com.google.home.google.ExtendedColorControlTrait
import com.google.home.google.LightingCurve
import com.google.home.google.LightingCurveTrait
import com.google.home.matter.standard.ColorControl
import com.google.home.matter.standard.ColorControlTrait
import com.google.home.matter.standard.ColorTemperatureLightDevice
import com.google.home.matter.standard.DimmableLightDevice
import com.google.home.matter.standard.ExtendedColorLightDevice
import com.google.home.matter.standard.GeneralDiagnostics
import com.google.home.matter.standard.Identify
import com.google.home.matter.standard.IdentifyTrait
import com.google.home.matter.standard.LevelControl
import com.google.home.matter.standard.LevelControlTrait
import com.google.home.matter.standard.OnOff
import com.google.home.matter.standard.OnOffLightDevice
import com.google.home.matter.standard.OnOffTrait
import com.google.home.matter.standard.RootNodeDevice
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.firstOrNull

// Get all On/Off Light devices in the structure
val onOffLights: List<HomeDevice> =
  home.devices().list().filter { it.has(OnOffLightDevice) }

// Get all Dimmable Light devices in the structure
val dimmableLights: List<HomeDevice> =
  home.devices().list().filter { it.has(DimmableLightDevice) }

// Retrieve a specific device type instance to access its traits
val onOffLightDevice: OnOffLightDevice? =
  onOffLights.firstOrNull()?.type(OnOffLightDevice)?.firstOrNull()

val dimmableLightDevice: DimmableLightDevice? =
  dimmableLights.firstOrNull()?.type(DimmableLightDevice)?.firstOrNull()

// Get a list of devices with similar device types (lights)
val lightDevices =
  home.devices().map { devices ->
    devices.filter {
      it.has(DimmableLightDevice) ||
        it.has(OnOffLightDevice) ||
        it.has(ColorTemperatureLightDevice) ||
        it.has(ExtendedColorLightDevice)
    }
  }

// Get device basic information. All general information traits are on the RootNodeDevice type.
    device.type(RootNodeDevice).first().standardTraits.basicInformation?.let { basicInformation ->
        println("vendorName ${basicInformation.vendorName}")
        println("vendorId ${basicInformation.vendorId}")
        println("productId ${basicInformation.productId}")
        println("productName ${basicInformation.productName}")
        println("softwareVersion ${basicInformation.softwareVersion}")
    }

suspend fun identifyLight(lightDevice: DimmableLightDevice) {
  val identifyTrait = lightDevice.standardTraits.identify ?: return

  // Blink the light for 10 seconds so the user can locate it
  if (identifyTrait.supports(Identify.Command.Identify)) {
    identifyTrait.identify(identifyTime = 10u)
  }

  // Or trigger a specific visual identification effect
  if (identifyTrait.supports(Identify.Command.TriggerEffect)) {
    identifyTrait.triggerEffect(
      effectIdentifier = IdentifyTrait.EffectIdentifierEnum.Blink,
      effectVariant = IdentifyTrait.EffectVariantEnum.Default
    )
  }
}

let lightConnectivity =
  dimmableLightDeviceType.metadata.sourceConnectivity
  .connectivityState

func getIpAddresses(trait: Matter.GeneralDiagnosticsTrait) -> [String] {
  let interfaces = trait.attributes.networkInterfaces ?? []
  var ipAddresses: [String] = []

  for interface in interfaces {
    for data in interface.iPv4Addresses {
      if let ipv4 = IPv4Address(data) {
        ipAddresses.append(String(describing: ipv4))
      }
    }
    for data in interface.iPv6Addresses {
      if let ipv6 = IPv6Address(data) {
        ipAddresses.append(String(describing: ipv6))
      }
    }
  }

  return ipAddresses
}

// Check if the OnOff trait supports the onOff attribute.
if (onOffTrait.supports(OnOff.Attribute.onOff)) {
  println("onOffTrait supports onOff state")
} else {
  println("onOffTrait is for a command only device!")
}

// Check if the OnOff trait supports the toggle command.
if (onOffTrait.supports(OnOff.Command.Toggle)) {
  println("onOffTrait supports toggle command")
} else {
  println("onOffTrait does not support stateful toggle command")
}

// Calling a command on a trait.
try {
  onOffTrait.toggle()
} catch (e: HomeException) {
  // Code for handling the exception
}

onOffTrait.off()
onOffTrait.on()

// Turn off the light using the DyingLight effect.
onOffTrait.offWithEffect(
  effectIdentifier = OnOffTrait.EffectIdentifierEnum.DyingLight,
  effectVariant = 0u,
)

// Change the brightness of the light to 50%
levelControlTrait.moveToLevel(
  level = 127u.toUByte(),
  transitionTime = null,
  optionsMask = LevelControlTrait.OptionsBitmap(),
  optionsOverride = LevelControlTrait.OptionsBitmap(),
)

suspend fun setLightBrightness(lightDevice: DimmableLightDevice) {
  val levelControl = lightDevice.standardTraits.levelControl ?: return

  // Read the current brightness level (0 to 254)
  val currentLevel: UByte? = levelControl.currentLevel
  println("Current brightness level: $currentLevel")

  // Move to ~75% brightness (190 out of 254) and turn on the light if it is off
  if (levelControl.supports(LevelControl.Command.MoveToLevelWithOnOff)) {
    levelControl.moveToLevelWithOnOff(
      level = 190u,
      transitionTime = 10u,
      optionsMask = LevelControlTrait.OptionsBitmap(),
      optionsOverride = LevelControlTrait.OptionsBitmap()
    )
  }
}

val colorControlTrait =
  colorTempLightDevice.standardTraits.colorControl ?: return
// Read the current color temperature and hardware limits in mireds
// (Mireds = 1,000,000 / Kelvin; e.g., 370 mireds ≈ 2700K warm white, 250 mireds = 4000K cool white)
val currentMireds = colorControlTrait.colorTemperatureMireds
val minMireds = colorControlTrait.colorTempPhysicalMinMireds ?: 153u // ~6500K (coolest)
val maxMireds = colorControlTrait.colorTempPhysicalMaxMireds ?: 500u // 2000K (warmest)
// Clamp target (370 mireds ≈ 2700K) to the device's physical bounds
val targetMireds = 370u.toUShort().coerceIn(minMireds, maxMireds)
if (
  colorControlTrait.supports(
    ColorControl.Command.MoveToColorTemperature
  )
) {
  colorControlTrait.moveToColorTemperature(
    colorTemperatureMireds = targetMireds,
    transitionTime = 20u, // 2.0 seconds (in 0.1s units)
    optionsMask = ColorControlTrait.OptionsBitmap(),
    optionsOverride = ColorControlTrait.OptionsBitmap()
  )
}

val colorControlTrait =
  extendedColorLightDevice.standardTraits.colorControl ?: return
// 1. Move to CIE 1931 xy chromaticity coordinates (scaled 0..65279)
// Example: x = 0.3127 (20493), y = 0.3290 (21561) for D65 white point
if (colorControlTrait.supports(ColorControl.Command.MoveToColor)) {
  colorControlTrait.moveToColor(
    colorX = 20493u,
    colorY = 21561u,
    transitionTime = 10u, // 1.0 second (in 0.1s units)
    optionsMask = ColorControlTrait.OptionsBitmap(),
    optionsOverride = ColorControlTrait.OptionsBitmap()
  )
}
val currentX = colorControlTrait.currentX
val currentY = colorControlTrait.currentY
// 2. Move to 16-bit Enhanced Hue (0..65534) and 8-bit Saturation (0..254)
if (
  colorControlTrait.supports(
    ColorControl.Command.EnhancedMoveToHueAndSaturation
  )
) {
  colorControlTrait.enhancedMoveToHueAndSaturation(
    enhancedHue = 43690u, // ~240° (Blue) on the 0..65534 scale
    saturation = 254u,    // Full saturation
    transitionTime = 15u, // 1.5 seconds (in 0.1s units)
    optionsMask = ColorControlTrait.OptionsBitmap(),
    optionsOverride = ColorControlTrait.OptionsBitmap()
  )
}
// 3. Start a hardware color loop across the device's hue range
if (colorControlTrait.supports(ColorControl.Command.ColorLoopSet)) {
  colorControlTrait.colorLoopSet(
    updateFlags =
      ColorControlTrait.UpdateFlagsBitmap(
        updateAction = true,
        updateDirection = true,
        updateTime = true,
        updateStartHue = true
      ),
    action =
      ColorControlTrait.ColorLoopActionEnum
        .ActivateFromColorLoopStartEnhancedHue,
    direction = ColorControlTrait.ColorLoopDirectionEnum.Increment,
    time = 30u, // 30 seconds per full cycle
    startHue = 0u,
    optionsMask = ColorControlTrait.OptionsBitmap(),
    optionsOverride = ColorControlTrait.OptionsBitmap()
  )
}

val extendedColorControlTrait =
  extendedColorLightDevice.googleTraits.extendedColorControl ?: return
// 1. Set color by name
if (
  extendedColorControlTrait.supports(
    ExtendedColorControl.Command.MoveToColorName
  )
) {
  extendedColorControlTrait.moveToColorName(colorName = "Lavender")
}
val currentColorName = extendedColorControlTrait.currentName
// 2. Set color using 8-bit RGB values (0..255 per channel)
// Automatically coordinates brightness (LevelControl) and color (ColorControl)
if (
  extendedColorControlTrait.supports(
    ExtendedColorControl.Command.MoveToColorRgb
  )
) {
  extendedColorControlTrait.moveToColorRgb(
    red = 255u,
    green = 128u,
    blue = 0u
  )
}
val currentRed = extendedColorControlTrait.currentRed
val currentGreen = extendedColorControlTrait.currentGreen
val currentBlue = extendedColorControlTrait.currentBlue
// 3. Set color and brightness together using floating-point HSV
// hue: 0.0f..360.0f, saturation: 0.0f..1.0f, value (brightness): 0.0f..1.0f
if (
  extendedColorControlTrait.supports(
    ExtendedColorControl.Command.MoveToColorHsv
  )
) {
  extendedColorControlTrait.moveToColorHsv(
    hue = 210.0f,
    saturation = 0.85f,
    value = 0.75f
  )
}
val currentHue = extendedColorControlTrait.currentHue
val currentSaturation = extendedColorControlTrait.currentSaturation
val currentValue = extendedColorControlTrait.currentValue

suspend fun readLightingCurves(structure: Structure) {
  val lightingCurve = structure.trait(LightingCurve).firstOrNull() ?: return

  for (setting in lightingCurve.lightingCurveSettingsList) {
    val settingId = setting.settingId
    val config = setting.config
    println("Setting ID: $settingId, enabled: ${config?.enabled}")
    config?.curvePointsList?.forEach { point ->
      println(
        "  Time: ${point.time?.hours}:${point.time?.minutes}, " +
          "Brightness: ${point.brightnessPercent}%, " +
          "ColorTemp: ${point.colorTemperature}K"
      )
    }
  }
}

suspend fun createRoomLightingCurve(
  structure: Structure,
  targetRoomId: String
): String? {
  val lightingCurve = structure.trait(LightingCurve).firstOrNull() ?: return null

  val curvePoints = listOf(
    LightingCurveTrait.CurvePoint(
      time = LightingCurveTrait.CurveTimeOfDay(hours = 7, minutes = 0),
      brightnessPercent = 30,
      colorTemperature = 2700
    ),
    LightingCurveTrait.CurvePoint(
      time = LightingCurveTrait.CurveTimeOfDay(hours = 9, minutes = 0),
      brightnessPercent = 80,
      colorTemperature = 4000
    ),
    LightingCurveTrait.CurvePoint(
      time = LightingCurveTrait.CurveTimeOfDay(hours = 21, minutes = 0),
      brightnessPercent = 20,
      colorTemperature = 2200
    )
  )

  val config = LightingCurveTrait.LightingCurveConfig(
    curvePointsList = curvePoints,
    roomId = targetRoomId,
    daysOfWeekList = listOf(
      DayOfWeek.MONDAY,
      DayOfWeek.TUESDAY,
      DayOfWeek.WEDNESDAY,
      DayOfWeek.THURSDAY,
      DayOfWeek.FRIDAY
    ),
    adaptive = true,
    enabled = true
  )

  // Returns the newly created settingId
  return lightingCurve.createLightingCurveSetting(config = config)
}

val targetDevices = LightingCurveTrait.TargetDevices(
  devicesList = listOf(
    LightingCurveTrait.TargetDevice(
      id = dimmableLight.id.id,
      type = DimmableLightDevice.TYPE_ID
    )
  )
)

val deviceCurveConfig = LightingCurveTrait.LightingCurveConfig(
  curvePointsList = curvePoints,
  devices = targetDevices,
  daysOfWeekList = listOf(DayOfWeek.SATURDAY, DayOfWeek.SUNDAY),
  adaptive = true,
  enabled = true
)

val settingId = lightingCurve.createLightingCurveSetting(
  config = deviceCurveConfig
)

suspend fun updateLightingCurve(
  structure: Structure,
  settingId: String,
  updatedConfig: LightingCurveTrait.LightingCurveConfig
) {
  val lightingCurve = structure.trait(LightingCurve).firstOrNull() ?: return

  lightingCurve.updateLightingCurveSetting(
    settingId = settingId,
    config = updatedConfig
  )
}

suspend fun deleteLightingCurve(
  structure: Structure,
  settingId: String
) {
  val lightingCurve = structure.trait(LightingCurve).firstOrNull() ?: return

  lightingCurve.deleteLightingCurveSetting(settingId = settingId)
}