#!/bin/sh
#############################################################
# Sample shell-script for using notify-send with matterhorn #
#############################################################

# Positional parameters
mentioned="${1?}"
sender="${2?}"
message="${3?}"

# Script options

# notify_URGENCIES
# First word is urgency for items where you are not mentioned, the second is
# urgency for items where you are mentioned.  Use "none" to not be notified,
# otherwise low, normal, critical are options
notify_URGENCIES="normal normal"
#notify_URGENCIES="none normal"
# The desktop notification category
notify_CATEGORY="im.received"
# Notification header
notify_HEAD="Matterhorn message from $sender"
# Notification body
notify_BODY="$message"

getUrgencyHelper() {
    shift "$mentioned"
    echo "$1"
}

getUrgency() {
    # we are using arguments as a poor-mans bash array for portability
    # shellcheck disable=SC2086
    getUrgencyHelper $notify_URGENCIES
}

test "$(getUrgency)" = "none" ||
    notify-send -u "$(getUrgency)" -c "$notify_CATEGORY" "$notify_HEAD" "$notify_BODY"