/**
 * scaffold-tests-from-ac — real entry-point run: JSON on stdout ALWAYS and
 * `errors[]` (audit 2026-09-24, D-WARN-07 / R5). Before: the Phase 4 gate read
 * `success` from a stdout that carried a human summary unless --json, and a
 * missing --spec answered on stderr only.
 */
import { describe, it, expect, beforeAll, afterAll } from 'vitest'
import { mkdirSync, mkdtempSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { dirname, join, resolve } from 'node:path'
import { fileURLToPath } from 'node:url'
import { runCli } from '../../../../../lib/__tests__/helpers/run-cli.js'

const INDEX = resolve(dirname(fileURLToPath(import.meta.url)), '../index.ts')

let root: string
beforeAll(() => {
  root = mkdtempSync(join(tmpdir(), 'ss-fromac-entry-'))
  mkdirSync(join(root, 'ba', 'CRM', 'PIPELINE'), { recursive: true })
  mkdirSync(join(root, 'app'), { recursive: true })
})
afterAll(() => rmSync(root, { recursive: true, force: true }))

describe('scaffold-tests-from-ac entry', () => {
  it('no --spec: JSON envelope with errors[], exit 2 — without --json', () => {
    const r = runCli(INDEX, [])
    expect(r.envelope, r.stderr).not.toBeNull()
    expect(r.status).toBe(2)
    expect(r.envelope).toMatchObject({ success: false, errors: ['--spec is required'], ucsScanned: 0, filesCreated: [] })
    expect(r.envelope).not.toHaveProperty('error')
  })

  it('a valid spec on a module with no use-case.md: success:true JSON by default, exit 0', () => {
    const spec = { moduleDir: join(root, 'ba/CRM/PIPELINE'), projectPath: join(root, 'app'), appCode: 'crm', module: 'pipeline', dryRun: true }
    const r = runCli(INDEX, ['--spec', JSON.stringify(spec)])
    expect(r.envelope, r.stderr).not.toBeNull()
    expect(r.status).toBe(0)
    expect(r.envelope).toMatchObject({ success: true, errors: [], ucsScanned: 0, acsParsed: 0, factsEmitted: 0 })
  })
})