// apps/hq/test/milestone-status.test.ts — milestone→status auto-drive (never downgrade).
import { describe, it, expect } from 'vitest'
import { openDb } from '../src/db'
import { seedIfEmpty } from '../src/seed'
import { createClient } from '../src/repos-clients'
import { createModule, assignModule, getClientModule } from '../src/repos-modules'
import { setMilestone } from '../src/repos-milestones'

async function world() {
  const db = openDb(':memory:')
  await seedIfEmpty(db)
  const c = await createClient(db, 'u1', { name: 'Kothavara SCB', stateCode: '32' })
  const m = await createModule(db, 'u1', { code: 'SMS', name: 'Bulk SMS' })
  const cm = await assignModule(db, 'u1', { clientId: c.id, moduleId: m.id, kind: 'yearly' })
  return { db, c, m, cmId: cm.id }
}

describe('milestone → status auto-drive (D22 status line)', () => {
  it('ticking installation advances status to installed', async () => {
    const { db, cmId } = await world()
    await setMilestone(db, 'u1', cmId, 'installation', true)
    const cm = await getClientModule(db, cmId)
    expect(cm!.status).toBe('installed')
  })

  it('ticking go_live advances status to live', async () => {
    const { db, cmId } = await world()
    await setMilestone(db, 'u1', cmId, 'go_live', true)
    expect((await getClientModule(db, cmId))!.status).toBe('live')
  })

  it('unticking never downgrades status', async () => {
    const { db, cmId } = await world()
    await setMilestone(db, 'u1', cmId, 'go_live', true)
    await setMilestone(db, 'u1', cmId, 'go_live', false)
    expect((await getClientModule(db, cmId))!.status).toBe('live')
  })

  it('a lower step never downgrades a higher status', async () => {
    const { db, cmId } = await world()
    await setMilestone(db, 'u1', cmId, 'go_live', true)      // live
    await setMilestone(db, 'u1', cmId, 'installation', true) // still live
    expect((await getClientModule(db, cmId))!.status).toBe('live')
  })
})