$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$component = Get-Content -LiteralPath (Join-Path $root 'components/TacVerification.vue') -Raw -Encoding UTF8

foreach ($token in @(
  'v-show="visible"',
  'id="jiapu-tac-host"',
  ':prop="renderContext"',
  ':change:prop="tacRenderer.onContextChange"',
  'btnCloseFun:',
  'btnRefreshFun:',
  'this.tac = new window.TAC(config);'
)) {
  if (-not $component.Contains($token)) { throw "Missing native TAC shell token: $token" }
}

foreach ($forbidden in @(
  'tac-panel',
  'tac-heading',
  'tac-tool',
  'slider-bottom .close-btn',
  'slider-bottom .refresh-btn',
  'logoUrl:',
  'i18n:',
  'new window.TAC(config, {'
)) {
  if ($component.Contains($forbidden)) { throw "TAC overrides vendor rendering: $forbidden" }
}

$styleStart = $component.IndexOf('<style scoped>')
if ($styleStart -lt 0) { throw 'Missing minimal TAC mount style' }
$style = $component.Substring($styleStart)
$visualTokens = @('background:', 'border:', 'border-radius:', 'box-shadow:', 'color:', 'font-', 'padding:', 'opacity:', 'transition:')
foreach ($forbidden in $visualTokens) {
  if ($style.Contains($forbidden)) { throw "TAC mount adds visual styling: $forbidden" }
}

Write-Output 'TAC-VENDOR-NATIVE-SHELL-CONTRACT PASS'