Headset switcher service. Detects when Zoom is running and switches headset profile for the call, then switches it back, when the meeting is ended

headset-switcher.service

[Unit]
Description=Music Player Daemon

[Service]
ExecStart=/home/jp/.config/systemd/user/headset-switcher.sh

[Install]
WantedBy=default.target

headset-switcher.sh

#!/bin/bash

while :
do
    IS_HEADSET_AVAILABLE=`pactl list cards | grep bluez || echo -n ""`
    IS_ZOOM_RUNNING=`pactl list source-outputs | grep ZOOM || echo -n ""`
    if [ ! -z "$IS_HEADSET_AVAILABLE" -a "$IS_HEADSET_AVAILABLE" != " " ]; then
        if [ ! -z "$IS_ZOOM_RUNNING" -a "$IS_ZOOM_RUNNING" != " " ]; then
            pactl set-card-profile bluez_card.38_18_4C_0E_9E_C2 headset_head_unit
        else
            pactl set-card-profile bluez_card.38_18_4C_0E_9E_C2 a2dp_sink
        fi
    fi
    sleep 1
done