import test from 'brittle'
import { EbpfCollector, isEbpfEnabled } from '../server/services/collectors/ebpf.js'
import { hasEmbeddedHelper } from '../server/native/extract-helper.js'
import { EMBEDDED_HELPERS } from '../server/native/embedded-helpers.js'

test('ebpf enablement is boolean', (t) => {
  t.ok(typeof isEbpfEnabled() === 'boolean')
  t.ok(typeof EMBEDDED_HELPERS === 'object')
  t.ok(typeof hasEmbeddedHelper('peardata-ebpf') === 'boolean')
})

test('ebpf JS fallback emits family charts', async (t) => {
  const prev = process.env.PEARDATA_EBPF
  process.env.PEARDATA_EBPF = '1'
  const c = new EbpfCollector({ intervalMs: 40 })
  /** @type {any[]} */
  let batch = []
  c.on('samples', (b) => {
    batch = b
  })
  // Force JS path
  c.mode = 'js'
  c.running = true
  c._tickJs()
  await new Promise((r) => setTimeout(r, 60))
  c._tickJs()
  c.stop()
  if (prev === undefined) delete process.env.PEARDATA_EBPF
  else process.env.PEARDATA_EBPF = prev

  t.ok(batch.length >= 1)
  const charts = new Set(batch.map((s) => s.chart))
  t.ok(charts.has('ebpf.cachestat') || charts.has('ebpf.fd'))
})