#!/bin/bash


# Initiate variables
retry_count=0
max_retries=5
retry_delay=30
success=0


# Retry until success or retry count reaches max_retries
while [[ $retry_count -le $max_retries && $success -ne 1 ]]; do
	cmd_res="$(checkupdates 2>&1)"
	case $? in
		# Update(s) available
		0)
			success=1
			output=$(echo "$cmd_res" | wc -l)
			tooltip="$(echo "$cmd_res" | sed -z 's/\n/\\n/g' | sed 's/\\n$//')"
			class="update-available"
			;;

		# No update available
		2)
			success=1
			output=0
			tooltip="No update available."
			class="no-update"
			;;

		*)
			sleep $retry_delay
			retry_count+=1
			output=""
			tooltip="$(echo "$cmd_res" | sed -z 's/\n/\\n/g' | sed 's/\\n$//')"
			class="error"
			;;
	esac
done


# Show time of check
time="$(date '+%H:%M:%S')"
tooltip="$tooltip\n\nLatest check: $time"


cat << EOF
{"text": "$output", "alt": "$class", "tooltip": "$tooltip", "class": "$class"}
EOF