import { describe, it, expect } from 'vitest'
import { deriveJobsFromSource, CRON_BY_PERIOD } from '../derive.js'

// The « aucun runtime scheduled[day] » closer: a scheduled UC derives the
// job triple (service method + Hangfire registration + POST trigger) instead
// of shipping emission entities nothing ever writes (26 AC on one runtime).

const UC = `### UC-FLOTTE-PARAM-ALERTES-003 — Notifier les échéances à venir

- **Exécution** : scheduled[day], priorité high.
- Le système parcourt les échéances dont la fenêtre d'anticipation est ouverte
  et enregistre chaque envoi dans AlertEmission (idempotence BR-009).

### UC-FLOTTE-PARAM-ALERTES-004 — Relancer les relevés manquants

- **Exécution** : scheduled (week).
- Le système relance les conducteurs sans relevé du mois.

### UC-FLOTTE-PARAM-ALERTES-005 — Consulter le journal

- **Exécution** : manual.
`

describe('derive-job-specs', () => {
  const warnings: string[] = []
  const jobs = deriveJobsFromSource(UC, 'flotte', 'PARAMETRAGE', new Set(['AlertEmission', 'AlertRule']), warnings)

  it('derives one job per scheduled UC — manual UCs never schedule', () => {
    expect(jobs).toHaveLength(2)
    expect(jobs.map(j => j.ucCode)).toEqual(['UC-FLOTTE-PARAM-ALERTES-003', 'UC-FLOTTE-PARAM-ALERTES-004'])
  })

  it('the bracket AND parenthesis period forms both resolve, cron mapped off-peak', () => {
    expect(jobs[0].period).toBe('day')
    expect(jobs[0].cron).toBe(CRON_BY_PERIOD.day)
    expect(jobs[1].period).toBe('week')
    expect(jobs[1].cron).toBe('0 3 * * 1')
  })

  it('jobId / slug / methodName derive stably from the title', () => {
    expect(jobs[0].jobId).toBe('flotte-parametrage-notifier-les-echeances-a')
    expect(jobs[0].methodName).toBe('RunNotifierLesEcheancesAAsync')
    expect(jobs[0].slug).toBe('notifier-les-echeances-a')
  })

  it('the emission entity resolves from the UC text × entité.md; missing → ba.gap warning', () => {
    expect(jobs[0].emissionEntity).toBe('AlertEmission')
    expect(jobs[1].emissionEntity).toBeNull()
    expect(warnings.some(w => w.includes('UC-FLOTTE-PARAM-ALERTES-004') && w.includes('ba.gap'))).toBe(true)
  })
})

describe('derive-job-specs — scheduled without a resolvable period', () => {
  it('warns instead of guessing a cadence', () => {
    const warnings: string[] = []
    const jobs = deriveJobsFromSource('### UC-X-001 — Purger\n\n- Exécution : scheduled, cadence à définir.\n', 'x', 'MOD', new Set(), warnings)
    expect(jobs).toHaveLength(0)
    expect(warnings[0]).toContain('no period resolves')
  })
})