#!/usr/bin/env bash

#------------------------------------------------------------------------------
# Path         - /usr/bin/audiolock
# GitHub       - https://github.com/The-Repo-Club/
# Author       - The-Repo-Club [wayne6324@gmail.com]
# Start On     - Mon 08 Nov 19:03:28 GMT 2021
# Modified On  - Mon 08 Nov 21:30:20 GMT 2021
#------------------------------------------------------------------------------

if ! command -v audiolock &> /dev/null; then
    echo "audiolock could not be found"
else
    for pid in $(pgrep -f audiolock); do
        if [ $pid != $$ ]; then
            echo "[$(date)] : audiolock : Process is already running with PID $pid"
            exit 1
        else
            echo "Running with PID $pid"
        fi
    done
fi

# -/-/-/-/- Settings -/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/
: "${LOCK_SLEEP_VALUE:=5}" # raise this if you experience problems
: "${LOCK_FILE:=/proc/asound/card*/pcm*p/sub*/status}"
: "${TEMP_LOCK_FILE:=/tmp/asound}"
# -/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/

autolock=0

while true ; do
    cat $LOCK_FILE > $TEMP_LOCK_FILE

    number=0
    while IFS= read -r Line; do
        if [[ $Line == *"RUNNING"* ]]; then
            printf "%s\n" "$Line"
            (( number++ ))
            break
        fi
    done < "$TEMP_LOCK_FILE"
    printf "%s\n" "${number}"

    if [[ $number -eq 0 ]]; then
        if [[ $autolock -eq 0 ]]; then
            xautolock -enable && notify-send -t 1400 "xautolock" "enabled"
            autolock=1
        fi
    else
        if [[ $autolock -eq 1 ]]; then
            xautolock -disable && notify-send -t 1400 "xautolock" "disabled"
            autolock=0
        fi
    fi

    interval=${LOCK_SLEEP_VALUE:-$(( 10 * 60 ))}
    printf 'Sleeping for %s seconds...\n' "$interval"
    sleep "$interval"
done