/**
 * scaffold-routes — the page-existence cross-check uses the scaffolder's own
 * naming (render/page-files.ts). Before 2026-09 (audit B-WARN-13) it looked for
 * `${entity}sListPage` under `src/pages/{module}/…`, so it warned on EVERY
 * canonical run and could never catch a real miss.
 */
import { describe, it, expect, beforeEach, afterEach } from 'vitest'
import { mkdirSync, mkdtempSync, rmSync, unlinkSync, writeFileSync } from 'node:fs'
import { tmpdir } from 'node:os'
import path from 'node:path'
import { validate } from '../validate.js'

let root: string
beforeEach(() => {
  root = mkdtempSync(path.join(tmpdir(), 'ssroutes-pages-'))
  mkdirSync(path.join(root, 'src'), { recursive: true })
})
afterEach(() => rmSync(root, { recursive: true, force: true }))

const put = (rel: string): void => {
  const abs = path.join(root, rel)
  mkdirSync(path.dirname(abs), { recursive: true })
  writeFileSync(abs, 'export default () => null\n', 'utf8')
}
const DIR = 'src/pages/myapp/rh/jours-feries'
const spec = (entity: Record<string, unknown>) => ({ module: 'rh', appCode: 'myapp', projectPath: root, entities: [{ name: 'JourFerie', section: 'jours-feries', ...entity }] })
const missing = (warnings: string[]): string[] => warnings.filter((w) => w.startsWith('Page missing'))

describe('checkPagesExist — the scaffolder’s names, the scaffolder’s directory', () => {
  it('SILENT when the canonical pages exist (create + edit share the form page; kanban is ignored)', () => {
    for (const f of ['JourFeriesListPage.tsx', 'JourFerieDetailPage.tsx', 'JourFerieFormPage.tsx']) put(`${DIR}/${f}`)
    const r = validate(spec({ views: ['list', 'detail', 'create', 'edit', 'kanban'] }))
    expect(r.valid, r.errors.join('\n')).toBe(true)
    expect(missing(r.warnings)).toEqual([])
    expect(r.warnings.some((w) => w.includes("legacy 'kanban' view token ignored"))).toBe(true)
  })

  it('warns ONCE, with the real expected path, when the form page is missing', () => {
    for (const f of ['JourFeriesListPage.tsx', 'JourFerieDetailPage.tsx']) put(`${DIR}/${f}`)
    const r = validate(spec({ views: ['list', 'detail', 'create', 'edit'] }))
    expect(missing(r.warnings)).toEqual([
      `Page missing for JourFerie.create: expected at ${DIR}/JourFerieFormPage.tsx — run scaffold-component first, otherwise the registry will reference a phantom import (Vite fails at launch on those).`,
    ])
  })

  it('honours pluralName and a pageFilePaths override', () => {
    put(`${DIR}/JoursFeriesListPage.tsx`)
    expect(missing(validate(spec({ views: ['list'], pluralName: 'JoursFeries' })).warnings)).toEqual([])
    unlinkSync(path.join(root, `${DIR}/JoursFeriesListPage.tsx`))
    put('src/pages/legacy/JoursListPage.tsx')
    expect(missing(validate(spec({ views: ['list'], pageFilePaths: { list: 'src/pages/legacy/JoursListPage.tsx' } })).warnings)).toEqual([])
  })

  it('a nested resource is expected under its parent section', () => {
    put('src/pages/myapp/rh/types-affaire/jours-feries/JourFerieDetailPage.tsx')
    expect(missing(validate(spec({ views: ['detail'], parentSection: 'types-affaire' })).warnings)).toEqual([])
  })
})