#!/bin/bash

function Mic {
    # inotifywait -e modify /proc/asound/card0/pcm0c/sub0/status # doesnt work :(
    rawMicStatus=$(cat /proc/asound/card0/pcm0c/sub0/status)
    if [[ $rawMicStatus == *"closed"* ]]; then
        # echo "Mic is closed"
        unset micpid
        return 1
    else
        micpid=$(printf "%s" "$rawMicStatus" | grep 'owner_pid' | awk -F ': ' '{print $2}')
    fi
}

function Camera {
    campid=$(fuser "/dev/video0" 2>/dev/null) || unset campid
    # icampid=$(fuser "/dev/video2" 2>/dev/null) # IR camera
    if [ $campid ]; then
        unset campid
    else
        return 1
    fi
}

function subscribe {
    while true; do
        Mic
        Camera
        if [ ! $micpid ] && [ ! $campid ]; then
            echo '{"text": " ", "tooltip": " ", "class": "no"}'
        elif [ $micpid ] && [ ! $campid ]; then
            echo '{"text": "", "tooltip": "Mic: '$micpid'", "class": "mic"}'
        elif [ ! $micpid ] && [ $campid ]; then
            echo '{"text": "", "tooltip": "Camera: '$campid'", "class": "cam"}'
        else
            echo '{"text": " ", "tooltip": "Mic: '$micpid' Camera: '$campid'", "class": "miccam}'
        fi
        sleep 1
    done
}

if [ "$1" ]; then
    $@
fi