Handle upgrading and downgrading GTA V

DowngradeUpgrade.ps1

param([switch] $Downgrade=$false)

$Profile = "$env:USERPROFILE\Documents\Rockstar Games\GTA V"
$Game = "D:\Steam\steamapps\common\Grand Theft Auto V"
$SocialClub = "C:\Program Files\Rockstar Games\Social Club"

if (!(Test-Path -Path $Profile)) {
	exit
}

if ($Downgrade) {
	$ProfileSource = "$Profile\versions\1.27"
	$ProfileDest = "$Profile\versions\latest"
	$GameVersion = "$Game\versions\1.27"
	$SocialClubInstaller = "$Game\versions\Social-Club-v1.1.7.8-Setup.exe"
} else {
	$ProfileSource = "$Profile\versions\latest"
	$ProfileDest = "$Profile\versions\1.27"
	$GameVersion = "$Game\versions\latest"
	$SocialClubInstaller = "$Game\Installers\Social-Club-Setup.exe"
}

if ((Test-Path -Path $Profile\Profiles) -and !(Test-Path -Path $ProfileDest\Profiles)) {
	Move-Item -Path $Profile\Profiles -Destination $ProfileDest\Profiles
}

if (!(Test-Path -Path $Profile\Profiles)) {
	Move-Item -Path $ProfileSource\Profiles -Destination $Profile\Profiles
}

if ((Test-Path -Path $Profile\settings.xml) -and !(Test-Path -Path $ProfileDest\settings.xml)) {
	Move-Item -Path $Profile\settings.xml -Destination $ProfileDest\settings.xml
}

if (!(Test-Path -Path $Profile\settings.xml)) {
	Move-Item -Path $ProfileSource\settings.xml -Destination $Profile\settings.xml
}

Get-ChildItem $GameVersion | Copy -Destination $Game -Recurse -Force

if (Test-Path -Path $SocialClub) {
	Start-Process -FilePath $SocialClub\uninstallRGSCRedistributable.exe -Wait
}

if (!(Test-Path -Path $SocialClub)) {
	Start-Process -FilePath $SocialClubInstaller -Wait
}