import Base from '@uci/base'
import logger from '@uci-utils/logger'

import Gpio from './gpio'
import commands from './commands'

let log = {}

// pins is array of gpio pin numbers, options is object where pin number is a key for that pin's options (if needed)
// by default a pin is a simple output
// for single pin just use the Gpio Class itself

class Gpios extends Base {
  constructor(pins, opts={}) {
    super(opts)
    this.id = this.id || 'gpios'
    this.pins = {}
    log = logger({ name: 'gpios', id: this.id, package:'@uci/gpios', file:'src/gpios.js'})
    pins.forEach(pin => {
      if (typeof pin !=='number') pin = parseInt(pin)
      opts[pin] = opts[pin] ? opts[pin] : opts.pinOpts
      log.debug({ opts: opts[pin], line:27, msg:`pin options for pin ${pin}`})
      this.pins[pin] = new Gpio(pin, opts[pin])
    })
    this.commands = this.bindFuncs(commands)
    this.addNamespace('commands', 's')  // give access to these commands above if a socket/server is created
  }

  async init() {
    await super.init()
    return Promise.all(
      Object.keys(this.pins).map(pin => {
        return this.pins[pin].init()
      })
    )
  }


  // register same hook to all pins
  registerHook(func) {
    this.pins.forEach(async pin => {
      this.pins[pin].registerHook(func)
    })
  }

} // end Class

export default Gpios