import { describe, it, expect } from 'vitest'
import { checkPrimitivePreflight } from '../preflight.js'

// The fail-closed primitive preflight: a page importing a primitive that is
// neither on disk nor written by this invocation must refuse — the stale-copy
// hole (`ss upgrade` never re-runs scaffold-ui-primitives) is what pushed
// auto-heal into improvising the stacked read+edit markup by hand.

const join = (...parts: string[]) => parts.join('/')

const PAGE = {
  path: 'src/pages/flotte/parc/vehicules/VehicleDetailPage.tsx',
  content: `import { PageTemplate } from '@/components/ui/PageTemplate'
import { SectionCard } from '@/components/ui/SectionCard'
import { useListNumberParam } from '@/components/ui/useListState'
`,
}

describe('scaffold-component / checkPrimitivePreflight', () => {
  it('passes when every imported primitive exists on disk (.tsx or .ts)', () => {
    const onDisk = new Set([
      '/web/src/components/ui/PageTemplate.tsx',
      '/web/src/components/ui/SectionCard.tsx',
      '/web/src/components/ui/useListState.ts',
    ])
    const misses = checkPrimitivePreflight('/web', [PAGE], (p) => onDisk.has(p), join)
    expect(misses).toEqual([])
  })

  it('reports each missing primitive with its expected path (fail-closed)', () => {
    const onDisk = new Set(['/web/src/components/ui/PageTemplate.tsx'])
    const misses = checkPrimitivePreflight('/web', [PAGE], (p) => onDisk.has(p), join)
    expect(misses.map(m => m.primitive)).toEqual(['SectionCard', 'useListState'])
    expect(misses[0].expected).toBe('src/components/ui/SectionCard.tsx')
  })

  it('a primitive written by THIS invocation never counts as missing', () => {
    const files = [PAGE, { path: 'src/components/ui/SectionCard.tsx', content: 'export const SectionCard = () => null' }]
    const onDisk = new Set(['/web/src/components/ui/PageTemplate.tsx', '/web/src/components/ui/useListState.ts'])
    const misses = checkPrimitivePreflight('/web', files, (p) => onDisk.has(p), join)
    expect(misses).toEqual([])
  })

  it('a page with no ui imports needs nothing', () => {
    const misses = checkPrimitivePreflight('/web', [{ path: 'x.tsx', content: 'export {}' }], () => false, join)
    expect(misses).toEqual([])
  })
})