#!/usr/bin/env node
const CronJob = require('cron').CronJob;

// load env variables from file
require('dotenv').config();

const ChangeDetection = require('./scrapers/scraper');

async function run() {
  const cdScraper = new ChangeDetection();

  if (typeof(process.env.CD_CRON) === 'string' ) {
    console.log(`${cdScraper.id} cron set for ${process.env.CD_CRON}`);
    new CronJob(process.env.CD_CRON, async function() {
      console.log('go');
      await cdScraper.run();
    }, null, true);
  }

  if (process.env.SCRAPE_START === cdScraper.id)
  {
    console.log('go');
    await cdScraper.run();
  }

  console.log('Change Detection Launched');
}

process.once('uncaughtException', function caught(err) {
  console.error('Uncaught', err);
});

run();