$ErrorActionPreference = 'Stop'

$info = Get-ComputerInfo -Property @("WindowsInstallationType", "WindowsVersion")
if ($info.WindowsInstallationType -ne "Server") { 
    write-host "This script is only intended for use on Windows Server because installation of winget is not officially supported there!"
    return
}

# Microsoft.UI.Xaml: https://www.nuget.org/packages/Microsoft.UI.Xaml
# Microsoft.VCLibs: https://docs.microsoft.com/troubleshoot/developer/visualstudio/cpp/libraries/c-runtime-packages-desktop-bridge#how-to-install-and-update-desktop-framework-packages
# WinGet: https://github.com/microsoft/winget-cli#manually-update

# update links manually

$msuixaml = "https://www.nuget.org/api/v2/package/Microsoft.UI.Xaml/2.7.1"
$vclibs = "https://aka.ms/Microsoft.VCLibs.x64.14.00.Desktop.appx"
$winget = "https://github.com/microsoft/winget-cli/releases/download/v1.2.10271/Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.msixbundle"
$wingetLicense = "https://github.com/microsoft/winget-cli/releases/download/v1.2.10271/b0a0692da1034339b76dce1c298a1e42_License1.xml"

$msuixamlPath = "$env:tmp/microsoft.ui.xaml.zip"
$msuixamlPathExtracted = "$env:tmp/microsoft-ui-xaml"
$vclibsPath = "$env:tmp/Microsoft.VCLibs.Desktop.appx"
$wingetPath = "$env:tmp/Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.msixbundle"
$wingetLicensePath = "$env:tmp/Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.license.xml"

Invoke-WebRequest -UseBasicParsing -Uri $msuixaml -OutFile $msuixamlPath
Expand-Archive -LiteralPath $msuixamlPath -DestinationPath $msuixamlPathExtracted -Force
$msuixamlExtracted = Get-ChildItem -File -LiteralPath "$msuixamlPathExtracted/tools/AppX/x64/Release" | Where-Object { [regex]::Match($_.Extension, "^\.(appx|msix)(bundle)?$") } | Select-Object -ExpandProperty FullName -First 1
Add-AppxPackage -Path $msuixamlExtracted

Invoke-WebRequest -UseBasicParsing -Uri $vclibs -OutFile $vclibsPath
Add-AppxPackage -Path $vclibsPath

Invoke-WebRequest -UseBasicParsing -Uri $winget -OutFile $wingetPath
Invoke-WebRequest -UseBasicParsing -Uri $wingetLicense -OutFile $wingetLicensePath
Add-AppxPackage -Path $wingetPath