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

let isWaWorkerRunning = false
let isBatchWorkerRunning = false
let waTimer = null
let batchTimer = null

const processWaJobs = async () => {
  if (isWaWorkerRunning) return
  isWaWorkerRunning = 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 {
    isWaWorkerRunning = false
  }
}

const processBatchJobs = async () => {
  if (isBatchWorkerRunning) return
  isBatchWorkerRunning = true

  try {
    const { processed, error } = await processBatchUpdateSanksi()
    if (processed > 0) {
      logInfo('BATCH_WORKER', `Processed ${processed} batch items`, { errors: error.length })
    }
  } catch (err) {
    logError('BATCH_WORKER', 'Error in batch worker tick', { error: err.message })
  } finally {
    isBatchWorkerRunning = false
  }
}

const startWorker = (waIntervalMs = 3000, batchIntervalMs = 30000) => {
  logInfo('WORKER', `Starting Background Workers (WA: ${waIntervalMs}ms, Batch: ${batchIntervalMs}ms)`)
  waJobService.resetStuckJobs()
  waTimer = setInterval(processWaJobs, waIntervalMs)
  batchTimer = setInterval(processBatchJobs, batchIntervalMs)
}

const stopWorker = () => {
  if (waTimer) clearInterval(waTimer)
  if (batchTimer) clearInterval(batchTimer)
  logInfo('WORKER', 'Stopped Background Workers')
}

module.exports = {
  startWorker,
  stopWorker,
}