import test from 'brittle'
import { AnomalyEngine } from '../server/services/anomaly.js'
import { silenceAlert } from '../server/services/alerts.js'

test('silence TTL auto-reenables alert', (t) => {
  const engine = new AnomalyEngine({ cpuCount: 2 })
  // Use singleton path via silenceAlert — it mutates getAnomalyEngine().
  // Drive a local engine for isolation instead:
  const cfg = {
    id: 'cpu_user_high',
    chart: 'system.cpu',
    dimension: 'user',
    warn: 10,
    crit: 50,
    comparator: '>',
    enabled: true,
    info: 'test',
  }
  engine.setConfig(cfg)
  engine.setConfig({
    ...cfg,
    enabled: false,
    _silencedUntil: Date.now() - 1000,
  })

  const fired = engine.evaluate([
    {
      chart: 'system.cpu',
      context: 'system.cpu',
      ts: Date.now(),
      values: {
        user: 80,
        system: 0,
        nice: 0,
        iowait: 0,
        irq: 0,
        softirq: 0,
        idle: 20,
        steal: 0,
        guest: 0,
        guest_nice: 0,
      },
    },
  ])

  t.ok(engine.configs.get('cpu_user_high').enabled === true)
  t.ok(fired.length >= 1)
  t.ok(silenceAlert) // keep import used / API present
})

test('silence still active before TTL', (t) => {
  const engine = new AnomalyEngine({ cpuCount: 2 })
  engine.setConfig({
    id: 'cpu_user_high',
    chart: 'system.cpu',
    dimension: 'user',
    warn: 10,
    crit: 50,
    comparator: '>',
    enabled: false,
    _silencedUntil: Date.now() + 60_000,
    info: 'test',
  })

  const fired = engine.evaluate([
    {
      chart: 'system.cpu',
      context: 'system.cpu',
      ts: Date.now(),
      values: { user: 90, idle: 10 },
    },
  ])

  t.is(fired.length, 0)
  t.is(engine.configs.get('cpu_user_high').enabled, false)
})