# W4: fix mislocated hreflang="es" hrefs + add hreflang block to 3 ES category pages
$repo = Split-Path -Parent (Split-Path -Parent $PSScriptRoot)
$excludePattern = '\\(\.git|node_modules|seo-audit-2026-05-27|website|directory)\\'
$files = Get-ChildItem $repo -Recurse -Filter index.html -File -ErrorAction SilentlyContinue |
  Where-Object { $_.FullName -notmatch $excludePattern }

$opts = [System.Text.RegularExpressions.RegexOptions]::IgnoreCase
$changed = 0
foreach ($file in $files) {
  $c = [System.IO.File]::ReadAllText($file.FullName)
  if (-not $c) { continue }
  $orig = $c
  # Strip /en/ /de/ /fr/ /pt/ /ar/ segment in any hreflang="es" or hreflang="x-default" href value
  $c = [regex]::Replace($c, '(hreflang="(?:es|x-default)"[^>]*href="https://www\.odoo-expertos\.com)/(?:de|fr|pt|ar|en)/', '$1/', $opts)
  # Also handle the inverse order: href=... hreflang=es
  $c = [regex]::Replace($c, '(href="https://www\.odoo-expertos\.com)/(?:de|fr|pt|ar|en)/([^"]*"\s+hreflang="(?:es|x-default)")', '$1/$2', $opts)
  if ($c -ne $orig) {
    [System.IO.File]::WriteAllText($file.FullName, $c)
    $changed++
  }
}
Write-Host "W4 hreflang-es fix: changed $changed of $($files.Count) files"

# Inject hreflang block into ES category pages
$cats = @{
  'odoo' = 'odoo/'
  'odoo-hosting' = 'odoo-hosting/'
  'odoo-ia' = 'odoo-ia/'
}
$injected = 0
foreach ($cat in $cats.Keys) {
  $catPath = Join-Path $repo "$cat\index.html"
  if (-not (Test-Path $catPath)) { continue }
  $c = [System.IO.File]::ReadAllText($catPath)
  if ($c -match 'hreflang=') { continue }
  $sub = $cats[$cat]
  $block = @"
    <!-- Hreflang alternates -->
    <link rel="alternate" hreflang="es" href="https://www.odoo-expertos.com/$sub">
    <link rel="alternate" hreflang="en" href="https://www.odoo-expertos.com/en/$sub">
    <link rel="alternate" hreflang="de" href="https://www.odoo-expertos.com/de/$sub">
    <link rel="alternate" hreflang="fr" href="https://www.odoo-expertos.com/fr/$sub">
    <link rel="alternate" hreflang="pt" href="https://www.odoo-expertos.com/pt/$sub">
    <link rel="alternate" hreflang="ar" href="https://www.odoo-expertos.com/ar/$sub">
    <link rel="alternate" hreflang="x-default" href="https://www.odoo-expertos.com/$sub">
"@
  # Insert after canonical link
  $new = [regex]::Replace($c, '(<link\s+rel="canonical"[^>]*>)', "`$1`r`n$block", $opts)
  if ($new -eq $c) {
    # fallback: inject before </head>
    $new = $c -replace '</head>', "$block`r`n</head>"
  }
  if ($new -ne $c) {
    [System.IO.File]::WriteAllText($catPath, $new)
    $injected++
    Write-Host "Injected hreflang into $cat/index.html"
  }
}
Write-Host "W4 cat injection: $injected"