// scripts/monitor-worker.ts
const path = require('path')
const dbPath = process.env.DATABASE_PATH || path.join(process.cwd(), 'data', 'issue.db')
process.env.DATABASE_PATH = dbPath

const { getDb } = require('../src/lib/db')
const { initDatabase } = require('../src/lib/db-schema')
const { BackgroundWorker } = require('../src/lib/monitor/worker')
const { setSetting, getSetting } = require('../src/lib/monitor/settings-manager')

initDatabase()
const db = getDb()

// 生成加密密钥（首次启动）
if (!getSetting('monitor.encryption_key')) {
  const crypto = require('crypto')
  const newKey = crypto.randomBytes(32).toString('hex')
  setSetting('monitor.encryption_key', newKey, 'security')
  console.log('[Worker] 已生成加密密钥')
}

const worker = new BackgroundWorker()
if (getSetting('monitor.enabled') === 'true') {
  worker.start()
  console.log('[Worker] 邮件监控已启动')
} else {
  console.log('[Worker] 邮件监控未启用，等待 API 启用')
}

// 保持进程存活，定期检查监控状态是否变更
const CHECK_INTERVAL = 30_000 // 30秒
setInterval(() => {
  if (getSetting('monitor.enabled') === 'true' && !worker.cronJob) {
    worker.start()
    console.log('[Worker] 检测到监控已启用，自动启动')
  } else if (getSetting('monitor.enabled') !== 'true' && worker.cronJob) {
    worker.stop()
    console.log('[Worker] 检测到监控已禁用，自动停止')
  }
}, CHECK_INTERVAL)

process.on('SIGTERM', () => {
  console.log('[Worker] 收到 SIGTERM，正在停止...')
  worker.stop()
  process.exit(0)
})