$ErrorActionPreference = 'Stop'

function ConvertFrom-Utf8Base64 {
  param([string]$Value)
  return [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($Value))
}

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

function Assert-NotContains {
  param([string]$Content, [string]$Unexpected, [string]$Message)
  if ($Content -match [regex]::Escape($Unexpected)) { throw $Message }
}

$root = Split-Path -Parent $PSScriptRoot
$pagePath = Join-Path $root 'pages/auth/a05-reset-password.vue'
$pages = Get-Content -LiteralPath (Join-Path $root 'pages.json') -Raw -Encoding utf8 | ConvertFrom-Json
$catalog = Get-Content -LiteralPath (Join-Path $root 'data/page-catalog.js') -Raw -Encoding utf8
$page = Get-Content -LiteralPath $pagePath -Raw -Encoding utf8
$resetCopy = ConvertFrom-Utf8Base64 '6YeN6K6+5a+G56CB'
$confirmPasswordCopy = ConvertFrom-Utf8Base64 '56Gu6K6k5paw5a+G56CB'
$getCodeCopy = ConvertFrom-Utf8Base64 '6I635Y+W6aqM6K+B56CB'
$loginCopy = ConvertFrom-Utf8Base64 '6L+U5Zue55m75b2V'

if (-not ($pages.pages.path -contains 'pages/auth/a05-reset-password')) { throw 'A-05 route must remain declared in pages.json' }
Assert-NotContains -Content $page -Unexpected 'ModulePage' -Message 'A-05 must not remain a ModulePage shell'
foreach ($required in @(
  'auth-header',
  'reset-panel__skin',
  'a02-login-panel.png',
  'a01-primary-button.png',
  'auth-divider-knot.png',
  'chevron-right.png',
  'v-model.trim="phone"',
  'v-model.trim="verificationCode"',
  'v-model="password"',
  'v-model="confirmPassword"',
  'const prepareGetCode = () =>',
  'const submitReset = () =>',
  "const prepareLogin = () => uni.navigateTo({ url: '/pages/auth/a02-login' })",
  'if (!/^1\d{10}$/.test(phone.value))',
  'if (!/^\d{6}$/.test(verificationCode.value))',
  'if (!password.value)',
  'if (password.value !== confirmPassword.value)'
)) {
  Assert-Contains -Content $page -Expected $required -Message "Missing A-05 reset-password contract: $required"
}
Assert-Contains -Content $page -Expected $resetCopy -Message 'A-05 must visibly identify the password-reset task'
Assert-Contains -Content $page -Expected $confirmPasswordCopy -Message 'A-05 must require password confirmation'
Assert-Contains -Content $page -Expected $getCodeCopy -Message 'A-05 must expose the verification-code action'
Assert-Contains -Content $page -Expected $loginCopy -Message 'A-05 must provide the A02 return path'
Assert-NotContains -Content $catalog -Unexpected 'a05:' -Message 'A-05 must not remain in the temporary page catalog'

foreach ($forbidden in @(
  '(?s)\.reset-panel\s*\{[^}]*\bborder\s*:',
  '(?s)\.reset-panel\s*\{[^}]*\bbackground\s*:',
  '(?s)\.reset-submit\s*\{[^}]*\bborder\s*:',
  '(?s)\.reset-submit\s*\{[^}]*\bbackground\s*:'
)) {
  if ($page -match $forbidden) { throw "A-05 retains forbidden CSS visual construction: $forbidden" }
}

Write-Output 'A05-RESET-PASSWORD-CONTRACT PASS'