#!/bin/bash

set -euo pipefail

if command -v dnf > /dev/null; then
    DNFCMD="dnf"
fi
if command -v jq > /dev/null; then
    JQCMD="jq"
fi
if [ -z "${DNFCMD+x}" ] || [ -z "${JQCMD+x}" ]; then
    echo "{\"tooltip\": \"requires 'jq' and 'dnf'\", \"text\": \"\"}"
    exit 1
fi

set -u

if ! output="$($DNFCMD needs-restarting -r)"; then
  icon=""
else
  icon=""
fi

# this is a literal expression for `jq`
# shellcheck disable=SC2016
$JQCMD --unbuffered -n -c '{tooltip: $ARGS.positional[0], text: $ARGS.positional[1]}' --args "$output" "$icon"