$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$api = Get-Content -Raw -Encoding UTF8 -LiteralPath (Join-Path $root 'utils/api.js')
$page = Get-Content -Raw -Encoding UTF8 -LiteralPath (Join-Path $root 'pages/profile/m10-about-settings.vue')
$issues = New-Object System.Collections.Generic.List[string]

function Require-Text {
  param([string]$Source, [string]$Text, [string]$Description)
  if (-not $Source.Contains($Text)) { $script:issues.Add($Description) }
}

Require-Text $api 'async logout(requestOptions = {}) {' 'api owner must expose logout'
Require-Text $api "url: '/genealogy/app/auth/logout'" 'logout must use the declared APP logout owner'
Require-Text $api "method: 'DELETE'" 'logout must use DELETE'
Require-Text $api 'requireData: false' 'logout must accept the declared VoidResult envelope'
Require-Text $api 'requestController: requestOptions.requestController ?? null' 'logout must accept page cancellation ownership'
Require-Text $page 'appApi.logout({ requestController: logoutRequestController });' 'M10 must call the shared logout owner'
Require-Text $page 'session.clear();' 'M10 must clear the local session after every request outcome'
Require-Text $page 'return goRoot("A01");' 'M10 must return to A01 after local session clear'
Require-Text $page 'logoutRequestController.abort()' 'M10 must cancel an in-flight request when unloading'

$logoutOwner = [regex]::Match($api, "async logout\(requestOptions = \{\}\) \{[\s\S]*?\n  \},\n  async ").Value
if (-not $logoutOwner) {
  $issues.Add('logout owner boundary is not identifiable')
} elseif ($logoutOwner -match '(?m)^\s*data:') {
  $issues.Add('logout must not add a request body')
}
if ($page -match 'session\.clear\(\);[\s\S]{0,80}appApi\.logout') {
  $issues.Add('M10 must not clear local session before starting the remote request')
}

if ($issues.Count -gt 0) {
  throw ("LOGOUT-OPENAPI-CONTRACT FAIL`n- " + ($issues -join "`n- "))
}

Write-Output 'LOGOUT-OPENAPI-CONTRACT PASS'