import assert from 'node:assert/strict'
import test from 'node:test'
import {
  detectMediaKind,
  detectMediaRole,
  escapePostgresLikeLiteral,
  extractMediaReferences,
  normalizeMediaCatalogUrl
} from '../lib/media-catalog.js'

test('SQL LIKE wildcard 검색 문자를 리터럴로 이스케이프한다', () => {
  assert.equal(escapePostgresLikeLiteral('100%_done!'), '100!%!_done!!')
})

test('미디어 URL을 저장 키로 정규화하고 쿼리를 제거한다', () => {
  assert.deepEqual(
    normalizeMediaCatalogUrl('/uploads/posts/2026/07/%ED%95%9C%EA%B8%80.png?v=1'),
    {
      url: '/uploads/posts/2026/07/한글.png',
      storageKey: 'posts/2026/07/한글.png'
    }
  )
  assert.deepEqual(
    normalizeMediaCatalogUrl('/uploads/posts/literal-100%.png'),
    {
      url: '/uploads/posts/literal-100%.png',
      storageKey: 'posts/literal-100%.png'
    }
  )
})

test('업로드 루트 이탈과 인코딩된 traversal을 차단한다', () => {
  assert.throws(() => normalizeMediaCatalogUrl('/uploads/../secret.txt'), /MEDIA_URL_TRAVERSAL/)
  assert.throws(() => normalizeMediaCatalogUrl('/uploads/%2e%2e/secret.txt'), /MEDIA_URL_TRAVERSAL/)
  assert.throws(() => normalizeMediaCatalogUrl('/etc/passwd'), /MEDIA_URL_OUTSIDE_UPLOADS/)
})

test('확장자 종류와 시스템 역할 및 파생 원본 후보를 판별한다', () => {
  assert.equal(detectMediaKind('photo.webp'), 'image')
  assert.equal(detectMediaKind('clip.mp4'), 'video')
  assert.equal(detectMediaKind('voice.m4a'), 'audio')
  assert.equal(detectMediaKind('document.pdf'), 'file')
  assert.deepEqual(detectMediaRole('exports/posts.zip'), {
    role: 'export',
    parentStorageKey: null
  })
  assert.deepEqual(detectMediaRole('posts/2026/07/thumbs/photo-card.webp'), {
    role: 'card',
    parentStorageKey: 'posts/2026/07/photo.jpg'
  })
  assert.equal(detectMediaRole('members/avatars/2026/07/profile.webp').role, 'avatar')
})

test('본문 720·1600 파생 URL을 레거시 body와 구분한다', async () => {
  const {
    isPostBody1600ThumbnailUrl,
    isPostBody720ThumbnailUrl,
    isPostBodyThumbnailUrl
  } = await import('../lib/post-card-thumbnail-url.js')

  assert.equal(
    isPostBodyThumbnailUrl('/uploads/posts/2026/07/thumbs/photo-body.webp'),
    true
  )
  assert.equal(
    isPostBody1600ThumbnailUrl('/uploads/posts/2026/07/thumbs/photo-body.webp'),
    false
  )
  assert.equal(
    isPostBody720ThumbnailUrl('/uploads/posts/2026/07/thumbs/photo-body.webp'),
    false
  )
  assert.equal(
    isPostBody1600ThumbnailUrl('/uploads/posts/2026/07/thumbs/photo-body-1600.webp'),
    true
  )
  assert.equal(
    isPostBody720ThumbnailUrl('/uploads/posts/2026/07/thumbs/photo-body-720.webp'),
    true
  )
})

test('필드별 미디어 참조를 추출하고 같은 필드 중복을 제거한다', () => {
  assert.deepEqual(extractMediaReferences({
    content: '![a](/uploads/posts/a.png) 다시 /uploads/posts/a.png',
    featuredImage: '/uploads/posts/a.png',
    external: 'https://example.com/image.png'
  }), [
    {
      mediaUrl: '/uploads/posts/a.png',
      referenceField: 'content'
    },
    {
      mediaUrl: '/uploads/posts/a.png',
      referenceField: 'featuredImage'
    }
  ])
})