const pddiktiService = require('../services/v2/pddikti.service')
const waJobService = require('../services/waJob.service')
const { logInfo, logError } = require('../utils/logger')

let isRunning = false
let timer = null

const processJobs = async () => {
  if (isRunning) return
  isRunning = true

  try {
    const job = await waJobService.processNextJob()
    if (job) {
      logInfo('WA_WORKER', 'Processing job', { jobId: job._id, templateId: job.templateId })
      try {
        const response = await pddiktiService.whatsapp(
          job.templateId,
          job.contacts,
          job.body,
          job.buttons
        )
        await waJobService.markJobSuccess(job._id, response)
      } catch (error) {
        await waJobService.markJobFailed(job._id, error, job.attempt + 1)
      }
    }
  } catch (err) {
    logError('WA_WORKER', 'Error in worker tick', { error: err.message })
  } finally {
    isRunning = false
  }
}

const startWorker = (intervalMs = 3000) => {
  logInfo('WA_WORKER', `Starting WA Background Worker (interval: ${intervalMs}ms)`)
  waJobService.resetStuckJobs()
  timer = setInterval(processJobs, intervalMs)
}

const stopWorker = () => {
  if (timer) clearInterval(timer)
  logInfo('WA_WORKER', 'Stopped WA Background Worker')
}

module.exports = {
  startWorker,
  stopWorker,
}