# Script to install winget.
# Technolog Networks, 2024-07-26
# iRaven

# Updated 2025-04-03 to get the legitimate install method MS recommends to use here.
# https://learn.microsoft.com/en-us/windows/iot/iot-enterprise/deployment/install-winget-windows-iot

Start-Transcript -Path "c:\irnh\Install-WinGet.log" -Append

# See if the shit we need exists.
Function Check-WinGet-Install {
	try {
		winget --version
		Write-Host "WinGet already exists!"
		return $true
	}
	catch {
		Write-Host "WinGet does not exist!"
		return $false
	}
}

Function Check-VCLibs {
	if ((Get-AppxPackage).Name -like "Microsoft.VCLibs.140.00.UWPDesktop" ) {return $true} else {return $false}
}

Function Check-MSXaml {
	if ((Get-AppxPackage).Name -like "Microsoft.UI.Xaml*" ) {return $true} else {return $false}
}

Function Install-VCLibs {
	if (Check-VCLibs) {
		Write-Output "VCLibs.UWPDesktop is already installed."
	} else {
		cmd.exe /c "curl -L -o c:\irnh\vclibs.14.00.Desktop.appx https://aka.ms/Microsoft.VCLibs.x64.14.00.Desktop.appx"
		try {
			Add-AppxPackage -Path "c:\irnh\vclibs.14.00.Desktop.appx"
			# Add-AppxProvisionedPackage -Online -PackagePath "c:\irnh\vclibs.14.00.Desktop.appx" -SkipLicense
			Write-Output "VCLibs.UWPDesktop was installed."
		} catch {
			Write-Output "VCLibs.UWPDesktop could not be installed."
		}
	}
}

Function Install-MSXaml {
	if (Check-MSXaml) {
		Write-Output "Microsoft.UI.Xaml is already installed."
	} else {
		cmd.exe /c "curl -L -o c:\irnh\msuixaml.zip https://www.nuget.org/api/v2/package/Microsoft.UI.Xaml"
		try {
			Expand-Archive c:\irnh\msuixaml.zip
			Add-AppPackage .\msuixaml\tools\AppX\x64\Release\*.appx
			Write-Output "Microsoft.UI.Xaml was installed."
		} catch {
			Write-Output "Microsoft.UI.Xaml could not be installed."
		}
	}
}

Function Install-WinGet {
	Write-Host "Checking latest version..."
	$WGLatestVer = (irm https://api.github.com/repos/microsoft/winget-cli/releases/latest).tag_name
	$WGDomainVer = type "\\technolog.net\SYSVOL\technolog.net\SoftwareDeploy\wingetlatestver.txt"
	if ($WGDomainVer -eq $WGLatestVer) {
		# If the version we have on our domain controllers is the latest, proceed with the offline copy.
		Write-Output "Domain Controllers has the latest version $WGDomainVer; using that."
		try {
			Add-AppxPackage -Path "\\technolog.net\SYSVOL\technolog.net\SoftwareDeploy\winget.msixbundle"
			Add-AppxProvisionedPackage -Online -PackagePath "\\technolog.net\SYSVOL\technolog.net\SoftwareDeploy\winget.msixbundle" -LicensePath "\\technolog.net\SYSVOL\technolog.net\SoftwareDeploy\wingetlic.xml" -Verbose
			Write-Output "WinGet was successfully installed."
		} catch {
			Write-Output "WinGet could not be installed."
		}
	}
	else {
		# If the version we have on our domain controllers is NOT the latest, we have to get it online.
		Write-Host "Internet has the latest copy; downloading WinGet from Microsoft."
		# download latest files
		foreach ($url in (irm https://api.github.com/repos/microsoft/winget-cli/releases/latest).assets.browser_download_url){
			if ($url -like "*.xml")
			{cmd.exe /c "curl -L -o c:\irnh\wingetlic.xml $url"} # I hate IWR. lol
			if ($url -like "*.msixbundle")
			{cmd.exe /c "curl -L -o c:\irnh\winget.msixbundle $url"} # I hate IWR. lol
		}
		try {
			# Add-AppxPackage -Path "c:\irnh\winget.msixbundle"
			Add-AppxPackage -Path "c:\irnh\winget.msixbundle" -Verbose
			Add-AppxProvisionedPackage -Online -PackagePath "c:\irnh\winget.msixbundle" -LicensePath "c:\irnh\wingetlic.xml" -Verbose
			$winget = winget -v
			if ($winget) {
				Write-Output "WinGet was successfully installed."
			}
		} catch {
			Write-Output "WinGet could not be installed."
		}
	}
}

# Main script

if (!(Check-WinGet-Install)) {
	Install-VCLibs
	Install-MSXaml
	Install-WinGet
}
Stop-Transcript