$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$pages = [ordered]@{
  'index.html' = 'home'
  'receive.html' = 'receive'
  'pallet.html' = 'pallet'
  'express-signin.html' = 'express-signin'
  'consolidation.html' = 'consolidation'
  'pick.html' = 'pick'
  'handover.html' = 'handover'
  'packing.html' = 'packing'
  'relabel.html' = 'relabel'
  'exception.html' = 'exception'
}

foreach ($entry in $pages.GetEnumerator()) {
  $path = Join-Path $root $entry.Key
  if (-not (Test-Path -LiteralPath $path -PathType Leaf)) {
    throw "Missing section page: $($entry.Key)"
  }

  $html = Get-Content -Raw -Encoding UTF8 -LiteralPath $path
  if ($html -notmatch '<!doctype html>') { throw "$($entry.Key) is not an HTML document" }
  if ($html -notmatch "<body data-section=`"$([regex]::Escape($entry.Value))`">") {
    throw "$($entry.Key) does not declare section $($entry.Value)"
  }
  if ($html -notmatch '<link rel="stylesheet" href="assets/app\.css">') {
    throw "$($entry.Key) does not load the shared stylesheet"
  }
  if ($html -notmatch '<script src="assets/app\.js"></script>') {
    throw "$($entry.Key) does not load the shared application script"
  }
}

Write-Output "PASS: $($pages.Count) section pages load the shared application assets"