$ErrorActionPreference = 'Stop'

function Read-Utf8([string]$Path) {
  [System.IO.File]::ReadAllText(
    (Join-Path (Join-Path $PSScriptRoot '..') $Path),
    [System.Text.Encoding]::UTF8
  )
}

function Assert-Contains {
  param([string]$Content, [string]$Expected, [string]$Message)
  if (-not $Content.Contains($Expected)) { throw $Message }
}

$page = Read-Utf8 'pages/family/f08-album-detail.vue'
$catalog = Read-Utf8 'data/page-catalog.js'

foreach ($expected in @(
  'class="album-detail-page"',
  'album-state--${albumState}',
  'class="album-hero-photo"',
  'class="album-photo-grid"',
  'class="album-preview"',
  'class="album-upload-action"',
  'const albumState = ref("normal");',
  'const photos = [',
  'const openPreview = (index) =>',
  'const closePreview = () =>',
  'const showUploadNotice = () =>',
  'query.state === "empty"',
  'query.state === "preview"',
  'query.state === "expired"',
  'class="album-empty-state"',
  'class="album-expired-state"',
  'class="album-preview__position"',
  ':message="uploadNoticeMessage"',
  'f08-reunion-hero.png',
  'f08-family-portrait.png',
  'f08-reunion-table.png',
  'f08-ancestral-home.png',
  'f08-ancestral-portrait.png',
  ':alt="photo.alt"',
  'ModulePageBackground',
  'PageHeader',
  'AppButton',
  'AppToast'
)) {
  Assert-Contains $page $expected "F08 contract missing: $expected"
}

foreach ($forbidden in @('<ModulePage page-id="f08"', 'import ModulePage from', 'uni.showToast', 'uni.showModal')) {
  if ($page.Contains($forbidden)) { throw "F08 retains forbidden dependency: $forbidden" }
}

if ($catalog -match '(?m)^\s*f08\s*:') {
  throw 'F08 obsolete page-catalog owner must be removed'
}

Write-Output 'F08-ALBUM-DETAIL-CONTRACT PASS'