'use strict';

const { BaseNodeAdapter } = require('generalFunctions');
const Measurement = require('./specificClass');
const commands = require('./commands');

class nodeClass extends BaseNodeAdapter {
  static DomainClass = Measurement;
  static commands = commands;
  // Tick drives the simulator's random walk when enabled. Disabled mode is
  // event-driven via the `output-changed` emit from the analog Channel.
  static tickInterval = 1000;
  static statusInterval = 1000;

  buildDomainConfig(uiConfig, _nodeId) {
    let channels = [];
    if (typeof uiConfig.channels === 'string' && uiConfig.channels.trim()) {
      try { channels = JSON.parse(uiConfig.channels); }
      catch (e) { this.node.warn(`Invalid channels JSON: ${e.message}`); channels = []; }
    } else if (Array.isArray(uiConfig.channels)) {
      channels = uiConfig.channels;
    }
    const mode = (typeof uiConfig.mode === 'string' && uiConfig.mode.toLowerCase() === 'digital') ? 'digital' : 'analog';

    return {
      scaling: {
        enabled: uiConfig.scaling,
        inputMin: uiConfig.i_min,
        inputMax: uiConfig.i_max,
        absMin: uiConfig.o_min,
        absMax: uiConfig.o_max,
        offset: uiConfig.i_offset,
      },
      smoothing: { smoothWindow: uiConfig.count, smoothMethod: uiConfig.smooth_method },
      simulation: { enabled: uiConfig.simulator },
      calibration: { stabilityThreshold: uiConfig.stabilityThreshold },
      mode: { current: mode },
      channels,
    };
  }
}

module.exports = nodeClass;