'use strict';

const log = require('../logger');

function box(lines) {
  const width = Math.max(...lines.map((line) => line.length), 28);
  const top = `+${'-'.repeat(width + 2)}+`;
  const body = lines.map((line) => `| ${line.padEnd(width)} |`);
  return ['', top, ...body, top, ''].join('\n');
}

class BasicLed {
  constructor(name) {
    this.name = name;
    this._current = null;
  }
  on() { this._set('on'); }
  off() { this._set('off'); }
  blink() { this._set('blink'); }
  destroy() { this._set('off'); }
  _set(next) {
    if (this._current === next) return;
    this._current = next;
    log.debug('led', `[terminal] ${this.name} ${next}`);
  }
}

class StatusLed {
  setSetup() { log.info('status', 'SETUP / waiting for activation'); }
  setApps() { log.info('status', 'APPS / activated'); }
  off() { log.debug('status', 'off'); }
}

class Display {
  showAP() {
    log.info('display', box([
      'Claw Daemon',
      'Waiting for network',
      'Windows/x86 has no AP mode',
    ]));
  }

  showConn() {
    log.info('display', box([
      'Claw Daemon',
      'Connecting to claw cloud...',
    ]));
  }

  showErr0() {
    log.info('display', box([
      'Claw Daemon',
      'Connection error',
    ]));
  }

  showTime() {
    log.info('display', box([
      'Claw Daemon',
      'Running on Windows/x86',
    ]));
  }

  showPin(pin) {
    const s = String(pin || '').trim();
    log.info('display', box([
      'Claw Daemon Activation',
      `PIN: ${s}`,
      'Enter this PIN in the web console',
    ]));
  }
}

class LanLed {
  start() { log.debug('led', '[terminal] LAN monitor ignored'); }
  stop() { log.debug('led', '[terminal] LAN monitor stopped'); }
}

const led = new BasicLed('network');
led.bt = new BasicLed('bt');
led.status = new StatusLed();
led.display = new Display();
led.lan = new LanLed();

module.exports = led;