@homebridge-plugins/homebridge-govee/lib/device/switch-triple.js

Homebridge plugin to integrate Govee devices into HomeKit.

import { parseError } from '../utils/functions.js'
import platformLang from '../utils/lang-en.js'

export default class {
  constructor(platform, accessory) {
    // Set up variables from the platform
    this.hapChar = platform.api.hap.Characteristic
    this.hapErr = platform.api.hap.HapStatusError
    this.hapServ = platform.api.hap.Service
    this.platform = platform

    // Set up variables from the accessory
    this.accessory = accessory

    // Remove outlet services if they exist
    if (this.accessory.getService('Outlet 1')) {
      this.accessory.removeService(this.accessory.getService('Outlet 1'))
    }
    if (this.accessory.getService('Outlet 2')) {
      this.accessory.removeService(this.accessory.getService('Outlet 2'))
    }
    if (this.accessory.getService('Outlet 3')) {
      this.accessory.removeService(this.accessory.getService('Outlet 3'))
    }

    // Add the switch services if they don't already exist
    this.service1 = this.accessory.getService('Switch 1')
      || this.accessory.addService(this.hapServ.Switch, 'Switch 1', 'switch1')
    this.service2 = this.accessory.getService('Switch 2')
      || this.accessory.addService(this.hapServ.Switch, 'Switch 2', 'switch2')
    this.service3 = this.accessory.getService('Switch 3')
      || this.accessory.addService(this.hapServ.Switch, 'Switch 3', 'switch3')

    // Add the set handler to the switch on/off characteristic
    this.service1.getCharacteristic(this.hapChar.On).onSet(async (value) => {
      await this.internalStateUpdate(this.service1, value ? 17 : 16)
    })
    this.service1.cacheState = this.service1.getCharacteristic(this.hapChar.On).value ? 'on' : 'off'
    this.service2.getCharacteristic(this.hapChar.On).onSet(async (value) => {
      await this.internalStateUpdate(this.service2, value ? 34 : 32)
    })
    this.service2.cacheState = this.service2.getCharacteristic(this.hapChar.On).value ? 'on' : 'off'
    this.service3.getCharacteristic(this.hapChar.On).onSet(async (value) => {
      await this.internalStateUpdate(this.service3, value ? 68 : 64)
    })
    this.service3.cacheState = this.service3.getCharacteristic(this.hapChar.On).value ? 'on' : 'off'

    // Output the customised options to the log
    const opts = JSON.stringify({
      showAs: 'switch',
    })
    platform.log('[%s] %s %s.', accessory.displayName, platformLang.devInitOpts, opts)

    // 119 turns BOTH ON
    // 112 turns BOTH OFF

    // 68 turns outlet 3 ON
    // 64 turns outlet 3 OFF

    // 34 turns outlet 2 ON
    // 32 turns outlet 2 OFF

    // 17 turns outlet 1 ON
    // 16 turns outlet 1 OFF
  }

  async internalStateUpdate(service, value) {
    try {
      const newValue = value % 16 === 0 ? 'off' : 'on'

      // Don't continue if the new value is the same as before
      if (service.cacheState === newValue) {
        return
      }

      // Send the request to the platform sender function
      await this.platform.sendDeviceUpdate(this.accessory, {
        cmd: 'stateDual',
        value,
      })

      // Cache the new state and log if appropriate
      service.cacheState = newValue
      this.accessory.log(`[${service.displayName}] ${platformLang.curState} [${newValue}]`)
    } catch (err) {
      // Catch any errors during the process
      this.accessory.logWarn(`${platformLang.devNotUpdated} ${parseError(err)}`)

      // Throw a 'no response' error and set a timeout to revert this after 2 seconds
      setTimeout(() => {
        service.updateCharacteristic(this.hapChar.On, service.cacheState === 'on')
      }, 2000)
      throw new this.hapErr(-70402)
    }
  }

  externalUpdate(params) {
    // Check to see if the provided state is different from the cached state
    if (!params.stateDual) {
      return
    }

    if ([112, 119].includes(params.stateDual)) {
      // 112 -> both off
      // 119 -> both on
      const newState = params.stateDual === 119 ? 'on' : 'off'
      if (newState !== this.service1.cacheState) {
        this.service1.cacheState = newState
        this.service1.updateCharacteristic(this.hapChar.On, this.service1.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service1.displayName}] ${platformLang.curState} [${this.service1.cacheState}]`)
      }
      if (newState !== this.service2.cacheState) {
        this.service2.cacheState = newState
        this.service2.updateCharacteristic(this.hapChar.On, this.service2.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service2.displayName}] ${platformLang.curState} [${this.service2.cacheState}]`)
      }
      if (newState !== this.service3.cacheState) {
        this.service3.cacheState = newState
        this.service3.updateCharacteristic(this.hapChar.On, this.service3.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service3.displayName}] ${platformLang.curState} [${this.service3.cacheState}]`)
      }
    }
    if ([16, 17].includes(params.stateDual)) {
      const newState = params.stateDual === 17 ? 'on' : 'off'
      if (newState !== this.service1.cacheState) {
        this.service1.cacheState = newState
        this.service1.updateCharacteristic(this.hapChar.On, this.service1.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service1.displayName}] ${platformLang.curState} [${this.service1.cacheState}]`)
      }
    }
    if ([32, 34].includes(params.stateDual)) {
      const newState = params.stateDual === 34 ? 'on' : 'off'
      if (newState !== this.service2.cacheState) {
        this.service2.cacheState = newState
        this.service2.updateCharacteristic(this.hapChar.On, this.service2.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service2.displayName}] ${platformLang.curState} [${this.service2.cacheState}]`)
      }
    }
    if ([64, 68].includes(params.stateDual)) {
      const newState = params.stateDual === 68 ? 'on' : 'off'
      if (newState !== this.service3.cacheState) {
        this.service3.cacheState = newState
        this.service3.updateCharacteristic(this.hapChar.On, this.service3.cacheState === 'on')

        // Log the change
        this.accessory.log(`[${this.service3.displayName}] ${platformLang.curState} [${this.service3.cacheState}]`)
      }
    }
  }
}