#!/bin/bash

##########################################################################
# Shellscript	:  Set Asset Tag
# Author    	:  Andreas Vogel | Jobst Heinermann 
# Copyright    	:  © macenterprise gmbh, 2019
# Source		:  https://www.jamf.com/jamf-nation/discussions/24664/script-to-prompt-for-computer-names
##########################################################################


#Variabeln

loggedInUser=$(stat -f%Su /dev/console)
loggedInUID=$(id -u $loggedInUser)

# Abfrage, dass nicht ROOT angemeldet ist
if [[ "$loggedInUser" != "root" ]] && [[ "$loggedInUser" != "_mbsetup" ]]; then

## Create local script
	cat << EOD > /private/tmp/asset_tag.sh
#!/bin/bash

TAG=\$(/usr/bin/osascript -e 'tell application "System Events" to set TAG to text returned of (display dialog "Bitte aktualisiere dein Asset Tag / die Inventarnummer. Diese findest du auf der Unterseite deines MacBooks. Die Nummer beginnt mit 61.... oder 91..." default answer "" buttons {"OK"} default button 1 with icon 2)')

echo "\${TAG}" > /private/tmp/asset_tag.txt

EOD

	## Make script executable
	/bin/chmod +x /private/tmp/asset_tag.sh

	## Run the script as logged in user
	/bin/launchctl asuser "$loggedInUID" sudo -iu "$loggedInUser" "/private/tmp/asset_tag.sh"

	## Get the new name from the local file
	asset_tag=$(cat /tmp/asset_tag.txt)

	if [ ! -z "$asset_tag" ]; then
		echo "$asset_tag"
		## Set Asset Tag
		jamf recon -assetTag "$asset_tag"

		## Remove local script
		rm -f /private/tmp/asset_tag.sh

		exit 0
	else
		echo "No name was found to rename to"

		## Remove local script
		rm -f /private/tmp/asset_tag.sh

		exit 1
	fi
else
	echo "No-one logged in. Exiting"
	exit 0
fi