$ErrorActionPreference = 'Stop'

function Assert-Contains {
  param([string]$Content, [string]$Expected, [string]$Message)
  if ($Content -notmatch [regex]::Escape($Expected)) { throw $Message }
}

function Assert-NoCssSurface {
  param([string]$Content, [string]$ClassName)
  foreach ($property in @('border', 'background', 'border-radius')) {
    if ($Content -match "(?s)\\.$ClassName\\s*\\{[^}]*\\b$property\\s*:") {
      throw "G05 must not construct .$ClassName with CSS $property"
    }
  }
}

$root = Split-Path -Parent $PSScriptRoot
$g01 = Get-Content -LiteralPath (Join-Path $root 'pages/genealogy/g01-my-genealogies.vue') -Raw -Encoding utf8
$g05 = Get-Content -LiteralPath (Join-Path $root 'pages/genealogy/g05-genealogy-overview.vue') -Raw -Encoding utf8
$asset = Join-Path $root 'static/assets/modules/genealogy/opaque/g05-overview-surface.png'

Assert-Contains $g01 'g05-genealogy-overview?genealogyId=' 'G01 must open G05 with the genealogyId query contract'
if ($g01 -match 'g05-genealogy-overview\?id=') { throw 'G01 must not retain the obsolete G05 id query key' }

foreach ($required in @(
  "const overviewState = ref('loading')",
  "query.genealogyId",
  'overview-ready',
  'overview-state--empty',
  'overview-state--error',
  'g05-overview-surface.png',
  '/pages/genealogy/g03-create-genealogy?step=ancestor&genealogyId=',
  '/pages/tree/t01-tree-overview?genealogyId=',
  '/pages/genealogy/g10-application-review?genealogyId=',
  '/pages/genealogy/g11-genealogy-settings?genealogyId=',
  '/pages/genealogy/g12-generation-poems?genealogyId=',
  '/pages/family/f01-family-feed'
)) {
  Assert-Contains $g05 $required "Missing G05 overview contract: $required"
}

if ($g05 -match 'g04-first-ancestor') { throw 'G05 must not navigate to the removed G04 route' }
if ($g05 -match 'toJoinApplication') { throw 'G05 must not mislabel the applicant join form as an owner invitation action' }
foreach ($className in @('overview-surface', 'overview-action', 'overview-state-panel')) {
  Assert-NoCssSurface $g05 $className
}
if (-not (Test-Path -LiteralPath $asset)) { throw 'G05 requires final opaque asset: g05-overview-surface.png' }

Write-Output 'G05-OVERVIEW-CONTRACT PASS'