लाइट डिवाइस गाइड

import Foundation
import GoogleHomeSDK
import GoogleHomeTypes
import Network

let allDevices = try await home.devices().list()

// Get all On/Off Light devices in the structure
let onOffLights = allDevices.filter {
  $0.types.contains(OnOffLightDeviceType.self)
}

// Get all Dimmable Light devices in the structure
let dimmableLights = allDevices.filter {
  $0.types.contains(DimmableLightDeviceType.self)
}

// Retrieve a specific device type instance to access its traits
let onOffLightDeviceType =
  await onOffLights.first?.types.get(OnOffLightDeviceType.self)

let dimmableLightDeviceType =
  await dimmableLights.first?.types.get(DimmableLightDeviceType.self)

// Get a list of devices with similar device types (lights)
let lightDevices =
  try await self.home.devices().list().compactMap {
    $0.types.contains(DimmableLightDeviceType.self)
      || $0.types.contains(OnOffLightDeviceType.self)
      || $0.types.contains(ColorTemperatureLightDeviceType.self)
      || $0.types.contains(ExtendedColorLightDeviceType.self)
  }

let vendorName = basicInfoTrait.attributes.vendorName!
let vendorID = basicInfoTrait.attributes.vendorID!
let productID = basicInfoTrait.attributes.productID!
let productName = basicInfoTrait.attributes.productName!
let softwareVersion = basicInfoTrait.attributes.softwareVersion!

func identifyLight(lightDeviceType: DimmableLightDeviceType) async throws {
  guard let identifyTrait = lightDeviceType.matterTraits.identifyTrait else {
    return
  }

  // Blink the light for 10 seconds so the user can locate it
  if identifyTrait.supportsIdentifyCommand {
    try await identifyTrait.identify(identifyTime: 10)
  }

  // Or trigger a specific visual identification effect
  if identifyTrait.supportsTriggerEffectCommand {
    try await identifyTrait.triggerEffect(
      effectIdentifier: .blink,
      effectVariant: .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.attributes.$onOff.isSupported {
  print("onOffTrait supports onOff state")
} else {
  print("onOffTrait is for a command only device!")
}

// Check if the OnOff trait supports the toggle command.
if onOffTraitTest.supportsToggleCommand {
  print("onOffTrait supports toggle command")
} else {
  print("onOffTrait does not support stateful toggle command")
}

// Calling a command on a trait.
do {
  try await onOffTraitTest.toggle()
} catch let _ as HomeError {
  // Code for handling the exception
}

do {
  try await onOffTraitTest.off()
  try await onOffTraitTest.on()
} catch let _ as HomeError {
  // Code for handling the exception
}

// Turn off the light using the DyingLight effect.
do {
  try await onOffTraitTest.offWithEffect(
    effectIdentifier: Matter.OnOffTrait.EffectIdentifierEnum.dyingLight,
    effectVariant: 0
  )
} catch let _ as HomeError {
  // Code for handling the exception
}

// Change the brightness of the light to 50%
do {
  try await levelControlTraitTest.moveToLevel(
    level: UInt8(127),
    transitionTime: 0,
    optionsMask: Matter.LevelControlTrait.OptionsBitmap(),
    optionsOverride: Matter.LevelControlTrait.OptionsBitmap()
  )
} catch let _ as HomeError {
  // Code for handling the exception
}

func setLightBrightness(lightDeviceType: DimmableLightDeviceType) async throws {
  guard let levelControl = lightDeviceType.matterTraits.levelControlTrait else {
    return
  }

  // Read the current brightness level (0 to 254)
  let currentLevel: UInt8? = levelControl.attributes.currentLevel
  print("Current brightness level: \(String(describing: currentLevel))")

  // Move to ~75% brightness (190 out of 254) and turn on the light if it is off
  if levelControl.supportsMoveToLevelWithOnOffCommand {
    try await levelControl.moveToLevelWithOnOff(
      level: UInt8(190),
      transitionTime: 10,
      optionsMask: Matter.LevelControlTrait.OptionsBitmap(),
      optionsOverride: Matter.LevelControlTrait.OptionsBitmap()
    )
  }
}

guard let colorControlTrait =
  colorTempLightDeviceType.matterTraits.colorControlTrait
else {
  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)
let currentMireds = colorControlTrait.attributes.colorTemperatureMireds
let minMireds = colorControlTrait.attributes.colorTempPhysicalMinMireds ?? 153
let maxMireds = colorControlTrait.attributes.colorTempPhysicalMaxMireds ?? 500
// Clamp target (370 mireds ≈ 2700K) to the device's physical bounds
let targetMireds = min(max(UInt16(370), minMireds), maxMireds)
if colorControlTrait.supportsMoveToColorTemperatureCommand {
  try await colorControlTrait.moveToColorTemperature(
    colorTemperatureMireds: targetMireds,
    transitionTime: 20, // 2.0 seconds (in 0.1s units)
    optionsMask: Matter.ColorControlTrait.OptionsBitmap(),
    optionsOverride: Matter.ColorControlTrait.OptionsBitmap()
  )
}

guard let colorControlTrait =
  extendedColorLightDeviceType.matterTraits.colorControlTrait
else {
  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.supportsMoveToColorCommand {
  try await colorControlTrait.moveToColor(
    colorX: 20493,
    colorY: 21561,
    transitionTime: 10, // 1.0 second (in 0.1s units)
    optionsMask: Matter.ColorControlTrait.OptionsBitmap(),
    optionsOverride: Matter.ColorControlTrait.OptionsBitmap()
  )
}
let currentX = colorControlTrait.attributes.currentX
let currentY = colorControlTrait.attributes.currentY
// 2. Move to 16-bit Enhanced Hue (0..65534) and 8-bit Saturation (0..254)
if colorControlTrait.supportsEnhancedMoveToHueAndSaturationCommand {
  try await colorControlTrait.enhancedMoveToHueAndSaturation(
    enhancedHue: 43690, // ~240° (Blue) on the 0..65534 scale
    saturation: 254,    // Full saturation
    transitionTime: 15, // 1.5 seconds (in 0.1s units)
    optionsMask: Matter.ColorControlTrait.OptionsBitmap(),
    optionsOverride: Matter.ColorControlTrait.OptionsBitmap()
  )
}
// 3. Start a hardware color loop across the device's hue range
if colorControlTrait.supportsColorLoopSetCommand {
  try await colorControlTrait.colorLoopSet(
    updateFlags: [
      .updateAction,
      .updateDirection,
      .updateTime,
      .updateStartHue
    ],
    action: .activateFromColorLoopStartEnhancedHue,
    direction: .increment,
    time: 30, // 30 seconds per full cycle
    startHue: 0,
    optionsMask: Matter.ColorControlTrait.OptionsBitmap(),
    optionsOverride: Matter.ColorControlTrait.OptionsBitmap()
  )
}

guard let extendedColorControlTrait =
  extendedColorLightDeviceType.googleTraits.extendedColorControlTrait
else {
  return
}
// 1. Set color by name
if extendedColorControlTrait.supportsMoveToColorNameCommand {
  try await extendedColorControlTrait.moveToColorName(colorName: "Lavender")
}
let currentColorName = extendedColorControlTrait.attributes.currentName
// 2. Set color using 8-bit RGB values (0..255 per channel)
// Automatically coordinates brightness (LevelControl) and color (ColorControl)
if extendedColorControlTrait.supportsMoveToColorRGBCommand {
  try await extendedColorControlTrait.moveToColorRGB(
    red: 255,
    green: 128,
    blue: 0
  )
}
let currentRed = extendedColorControlTrait.attributes.currentRed
let currentGreen = extendedColorControlTrait.attributes.currentGreen
let currentBlue = extendedColorControlTrait.attributes.currentBlue
// 3. Set color and brightness together using floating-point HSV
// hue: 0.0...360.0, saturation: 0.0...1.0, value (brightness): 0.0...1.0
if extendedColorControlTrait.supportsMoveToColorHSVCommand {
  try await extendedColorControlTrait.moveToColorHSV(
    hue: 210.0,
    saturation: 0.85,
    value: 0.75
  )
}
let currentHue = extendedColorControlTrait.attributes.currentHue
let currentSaturation = extendedColorControlTrait.attributes.currentSaturation
let currentValue = extendedColorControlTrait.attributes.currentValue

func readLightingCurves(structure: Structure) async {
  guard let lightingCurve = await structure.traits.get(
    Google.LightingCurveTrait.self
  ) else {
    return
  }

  for setting in lightingCurve.attributes.lightingCurveSettingsArray {
    let settingId = setting.settingId
    let config = setting.config
    print(
      "Setting ID: \(String(describing: settingId)), " +
        "enabled: \(String(describing: config?.enabled))"
    )
    for point in config?.curvePointsArray ?? [] {
      print(
        "  Time: \(point.time?.hours ?? 0):\(point.time?.minutes ?? 0), " +
          "Brightness: \(point.brightnessPercent ?? 0)%, " +
          "ColorTemp: \(point.colorTemperature ?? 0)K"
      )
    }
  }
}

func createRoomLightingCurve(
  structure: Structure,
  targetRoomId: String
) async throws -> String? {
  guard let lightingCurve = await structure.traits.get(
    Google.LightingCurveTrait.self
  ) else {
    return nil
  }

  let curvePoints = [
    Google.LightingCurveTrait.CurvePoint(
      time: Google.LightingCurveTrait.CurveTimeOfDay(hours: 7, minutes: 0),
      brightnessPercent: 30,
      colorTemperature: 2700
    ),
    Google.LightingCurveTrait.CurvePoint(
      time: Google.LightingCurveTrait.CurveTimeOfDay(hours: 9, minutes: 0),
      brightnessPercent: 80,
      colorTemperature: 4000
    ),
    Google.LightingCurveTrait.CurvePoint(
      time: Google.LightingCurveTrait.CurveTimeOfDay(hours: 21, minutes: 0),
      brightnessPercent: 20,
      colorTemperature: 2200
    ),
  ]

  let config = Google.LightingCurveTrait.LightingCurveConfig(
    curvePointsArray: curvePoints,
    roomId: targetRoomId,
    daysOfWeekArray: [
      .monday,
      .tuesday,
      .wednesday,
      .thursday,
      .friday,
    ],
    adaptive: true,
    enabled: true
  )

  let response = try await lightingCurve.createLightingCurveSetting(
    config: config
  )
  return response.settingId
}

let targetDevices = Google.LightingCurveTrait.TargetDevices(
  devicesArray: [
    Google.LightingCurveTrait.TargetDevice(
      id: dimmableLight.id,
      type: DimmableLightDeviceType.identifier
    )
  ]
)

let deviceCurveConfig = Google.LightingCurveTrait.LightingCurveConfig(
  curvePointsArray: curvePoints,
  devices: targetDevices,
  daysOfWeekArray: [.saturday, .sunday],
  adaptive: true,
  enabled: true
)

let response = try await lightingCurve.createLightingCurveSetting(
  config: deviceCurveConfig
)
let settingId = response.settingId

func updateLightingCurve(
  structure: Structure,
  settingId: String,
  updatedConfig: Google.LightingCurveTrait.LightingCurveConfig
) async throws {
  guard let lightingCurve = await structure.traits.get(
    Google.LightingCurveTrait.self
  ) else {
    return
  }

  _ = try await lightingCurve.updateLightingCurveSetting(
    settingId: settingId,
    config: updatedConfig
  )
}

func deleteLightingCurve(
  structure: Structure,
  settingId: String
) async throws {
  guard let lightingCurve = await structure.traits.get(
    Google.LightingCurveTrait.self
  ) else {
    return
  }

  _ = try await lightingCurve.deleteLightingCurveSetting(settingId: settingId)
}