import { describe, it, expect } from 'vitest'
import { execFileAsync } from '../src/main/lib/exec'

// Exercised against the Node binary itself so the test needs no fixtures and is
// deterministic. Covers the contract the six migrated spawn sites rely on
// (SIMP2/CC4/CC5): normalized ok/stdout/stderr, never-rejects, and the timedOut flag.
describe('execFileAsync (SIMP2/CC4/CC5)', () => {
  it('resolves ok with stdout on a clean exit', async () => {
    const r = await execFileAsync(process.execPath, ['-e', 'process.stdout.write("hello")'])
    expect(r.ok).toBe(true)
    expect(r.stdout).toBe('hello')
    expect(r.timedOut).toBe(false)
    expect(r.error).toBeUndefined()
  })

  it('captures stderr and reports not-ok on a non-zero exit', async () => {
    const r = await execFileAsync(process.execPath, [
      '-e',
      'process.stderr.write("boom"); process.exit(2)'
    ])
    expect(r.ok).toBe(false)
    expect(r.stderr).toContain('boom')
    expect(r.error).toBeInstanceOf(Error)
    expect(r.timedOut).toBe(false)
  })

  it('never rejects — a missing binary resolves not-ok with an error', async () => {
    const r = await execFileAsync('definitely-not-a-real-binary-xyz', ['--version'])
    expect(r.ok).toBe(false)
    expect(r.error).toBeDefined()
    expect(r.timedOut).toBe(false)
  })

  it('flags timedOut when the timeout kills the process', async () => {
    const r = await execFileAsync(process.execPath, ['-e', 'setTimeout(() => {}, 5000)'], {
      timeout: 100
    })
    expect(r.ok).toBe(false)
    expect(r.timedOut).toBe(true)
  })
})