TIME_START=00:00
TIME_STOP=23:59

tv_check()
{
    ping -c 1 -W 1 192.168.1.12 2>&1 > /dev/null || { echo "TV is unreachable."; return; }
    adb connect 192.168.1.12

    if adb shell dumpsys power | grep mWakefulness=Awake
    then
        adb shell input keyevent 26
    else
        echo "TV is turning OFF."
    fi
}

gabi_check()
{
    loginctl list-users | grep gabi || { echo 'Gabi is not online.'; return; }
    doas loginctl terminate-user gabi
}

S=$(date -d "$TIME_START" +%s)
T=$(date -d "$TIME_STOP" +%s)
C=$(date +%s)
if [ $C -lt $S ]
then
    echo "PRE: $((S - C)) seconds to go."
elif [ $C -gt $T ]
then
    echo "POST: $((C - T)) seconds passed."
else
    echo "ACTIVE: Executing for the next $((T - C)) seconds."
    gabi_check
    tv_check
fi

exit 0