import { describe, it, expect, vi } from 'vitest'
import fs from 'fs'
import path from 'path'
import { getLocalLLMService, startLocalLLMAvailability } from '../../src/main/services/LocalLLMService'
import { useRedHarness } from './harness'

useRedHarness()

describe('유스케이스: 앱 시작 시 로컬 LLM 폴링', () => {
  it('startLocalLLMAvailability 는 ensureRunning 과 startPolling 을 호출한다', async () => {
    const llm = getLocalLLMService()
    const ensure = vi.spyOn(llm, 'ensureRunning').mockResolvedValue('not-installed')
    const poll = vi.spyOn(llm, 'startPolling')
    await startLocalLLMAvailability()
    expect(ensure).toHaveBeenCalledTimes(1)
    expect(poll).toHaveBeenCalledTimes(1)
    llm.stopPolling()
  })

  it('bootstrap llm-polling 스텝은 startLocalLLMAvailability 를 호출하고 no-op 주석이 아니다', () => {
    const src = fs.readFileSync(
      path.join(__dirname, '../../src/main/bootstrap.ts'),
      'utf-8',
    )
    expect(src).toContain('startLocalLLMAvailability')
    expect(src).not.toContain('LocalLLMService replaced by PremiumLLMService')
  })

  it('폴링을 건너뛰면 isAvailable 이 계속 false 인 채 남는 경로를 허용하지 않는다', async () => {
    const llm = getLocalLLMService()
    expect(llm.isAvailable()).toBe(false)
    const poll = vi.spyOn(llm, 'startPolling')
    await startLocalLLMAvailability()
    expect(poll).toHaveBeenCalled()
    llm.stopPolling()
  })
})