app.ts

// import sourceMapSupport from "source-map-support";
// sourceMapSupport.install();
import Homey from 'homey';
import { HomeyAPI } from 'athom-api';

import PrometheusMetrics from './prometheus/metrics';
import PrometheusServer from './prometheus/server';

import DevicesSource from './prometheus/sources/devices';
import PresenceSource from './prometheus/sources/presence';
import SystemSource from './prometheus/sources/system';
import VariablesSource from './prometheus/sources/variables';
import WeatherSource from './prometheus/sources/weather';
import MetricSource from './prometheus/sources/source';
import Profiling from './profiling';

// Uncomment the line above to enable the inspector (to use Chrome as a debugger)
// (execution will stop until a debugger is attached)
// require('inspector').open(9229, '0.0.0.0', true);

class PrometheusApp extends Homey.App {
  readonly metrics = new PrometheusMetrics();
  readonly server = new PrometheusServer(this.metrics);
  readonly profiling = new Profiling(this.metrics);
  readonly sources: MetricSource[] = [
    new DevicesSource(),
    new PresenceSource(),
    new SystemSource(),
    new VariablesSource(),
    new WeatherSource(),
  ];

  api: HomeyAPI | null = null;

  onInit = async () => {
    this.server.start();
    this.homey.setTimeout(this.initializeMetrics, 10);
  };

  onUninit = async () => {
    this.server.stop();
    for (const source of this.sources) {
      try {
        await source.stop();
      } catch (e) {
        console.log(e);
        console.log('Error stopping source');
      }
    }
  };

  initializeMetrics = async () => {
    await this.profiling.timeAsyncCode(async () => {
      try {
        if (this.api == null) {
          this.api = await HomeyAPI.forCurrentHomey(this.homey);
        }
        console.log('Initializing sources.');
        for (const source of this.sources) {
          await source.initialize(this.api, this.metrics, this.profiling);
        }
      } catch (e) {
        console.log(e);
        console.log('Error during initialization. Trying again later.');
        this.homey.setTimeout(this.initializeMetrics, 30000);
      }
    }, 'init');
  };
}
module.exports = PrometheusApp;