Set-StrictMode -Off
$ErrorActionPreference = 'Stop'

# WiX 4 laeuft als x64-.NET-App. Auf ARM64-Windows (Parallels) liegt unter
# C:\Program Files\dotnet nur die ARM64-Runtime — dann eine separat installierte
# x64-Runtime bevorzugen, sonst faellt wix.exe mit "You must install .NET" aus.
$x64Dotnet = "$env:USERPROFILE\dotnet-x64-install"
if (Test-Path "$x64Dotnet\dotnet.exe") {
    $env:DOTNET_ROOT_X64 = $x64Dotnet
    $env:DOTNET_ROOT     = $x64Dotnet
} else {
    $env:DOTNET_ROOT = "C:\Program Files\dotnet"
}

$version      = "0.1.32"
$src          = "\\Mac\Home\ClaudePRJ\Intune Manager"
$stage        = "$env:TEMP\IntuneManagerStage"
$installerDir = "$src\installer"
$harvestWxs   = "$env:TEMP\AppFiles.wxs"
# Echter Desktop-Pfad (auf Parallels ist der sichtbare Desktop der Mac-Desktop,
# C:\Mac\Home\Desktop — NICHT C:\Users\<user>\Desktop).
$desktop      = [Environment]::GetFolderPath('Desktop')
$msi          = "$desktop\IntuneManager-v$version.msi"

# --- WixUI Extension installieren (Version passend zu WiX 4.0.6) ---
Write-Host "=== Extension ===" -ForegroundColor Cyan
wix extension add "WixToolset.UI.wixext/4.0.6" --global 2>&1 | Write-Host

# --- Staging ---
Write-Host "`n=== Staging ===" -ForegroundColor Cyan
if (Test-Path $stage) { Remove-Item $stage -Recurse -Force }
New-Item -ItemType Directory $stage | Out-Null
Get-ChildItem -Path $src -Exclude '.git','.github','installer' |
    Copy-Item -Destination $stage -Recurse -Force
Write-Host "Staging: $stage"

# --- AppFiles.wxs Fragment generieren ---
Write-Host "`n=== Fragment generieren ===" -ForegroundColor Cyan

$ns   = "http://wixtoolset.org/schemas/v4/wxs"
$doc  = [System.Xml.XmlDocument]::new()
$decl = $doc.CreateXmlDeclaration("1.0","UTF-8",$null)
$doc.AppendChild($decl) | Out-Null

$wix  = $doc.CreateElement("Wix", $ns); $doc.AppendChild($wix) | Out-Null
$frag = $doc.CreateElement("Fragment", $ns); $wix.AppendChild($frag) | Out-Null
$cg   = $doc.CreateElement("ComponentGroup", $ns)
$cg.SetAttribute("Id","AppFiles"); $cg.SetAttribute("Directory","INSTALLFOLDER")
$frag.AppendChild($cg) | Out-Null

$dirIdx = @{}
$idx = 0
Get-ChildItem -Path $stage -Recurse -File | ForEach-Object {
    $rel   = $_.FullName.Substring($stage.Length + 1)  # e.g. www\app.js
    $relDir = [System.IO.Path]::GetDirectoryName($rel)  # e.g. www

    $comp = $doc.CreateElement("Component", $ns)
    $comp.SetAttribute("Id", "Comp_$idx")
    $comp.SetAttribute("Guid", ("{$([System.Guid]::NewGuid().ToString().ToUpper())}"))
    if ($relDir) { $comp.SetAttribute("Subdirectory", $relDir) }
    $cg.AppendChild($comp) | Out-Null

    $f = $doc.CreateElement("File", $ns)
    $f.SetAttribute("Id", "File_$idx")
    $f.SetAttribute("Source", "`$(var.SourceDir)\$rel")
    $f.SetAttribute("KeyPath", "yes")
    $comp.AppendChild($f) | Out-Null
    $idx++
}

$doc.Save($harvestWxs)
Write-Host "Fragment: $harvestWxs ($idx Dateien)"

# --- MSI bauen ---
Write-Host "`n=== MSI bauen ===" -ForegroundColor Cyan
wix build "$installerDir\Intune-Manager.wxs" $harvestWxs `
    -ext WixToolset.UI.wixext `
    -d Version=$version.0 `
    -d SourceDir=$stage `
    -d InstallerDir=$installerDir `
    -o $msi

if (Test-Path $msi) {
    $size = [math]::Round((Get-Item $msi).Length / 1MB, 1)
    Write-Host "`nERFOLG: $msi ($size MB)" -ForegroundColor Green
} else {
    Write-Host "`nFEHLER: MSI wurde nicht erstellt." -ForegroundColor Red
}