isparkle-ble.js

const BleUart = require('./ble-uart')

const VALID_TYPES = [
  'PT',
  'PW',
  'SP',
  'TM',
]

class iSparkleBle extends BleUart {
  constructor() {
    super()
    this.count = 0
    this.debug = false
  }

  getCmdString(value) {
    // Default type prefix
    let typeString = 'PT'

    // Check if type prefix is set
    if (VALID_TYPES.indexOf(value.slice(0, 2)) > -1) {
      typeString = ''
    }

    // Prefix 2-digit count
    let count = this.count
    if (this.count < 10) {
      count = `0${ count }`
    } else if (this.count === 99) {
      count = '00'
    }

    // Remove spaces from value
    const valueString = `${ value.replace(/\s+/g, '') }`

    return `${ count }${ typeString }${ valueString }`
  }

  sendCmd(commands) {
    // single command
    if (commands.length === 1) {
      // Handle 'on' or 'off' text input
      if (commands[0] === 'off' || commands[0] === 'on') {
        this.writeString(this.getCmdString(commands[0] === 'off' ? 'PW0' : 'PW1'))

        // Activate lights after turning on
        if (commands[0] === 'on') {
          this.writeString(this.getCmdString('1120005000050'))
        }

        // this.sendClearCmd()
        return
      }

      this.writeString(this.getCmdString(commands[0]))
      this.sendClearCmd()
      return
    }

    // multiple commands
    commands.forEach((command, i) => {
      this.writeString(this.getCmdString(command))

      // clear at end
      if (i === commands.length - 1) {
        this.sendClearCmd()
      }
    })
  }

  sendClearCmd() {
    this.writeString(this.getCmdString('0000000000000'))
  }

  writeString(cmdString) {
    if (this.debug) {
      console.log(`write: ${ cmdString }`)
    }
    this.write(cmdString)
    this.count++
  }
}

module.exports = iSparkleBle