#! /bin/sh

set -e

. ./bin/khatus_x4_lib_common_sensor.sh

dir="${prefix}/${host}"

kill_sensor() {
    if test -f "$1"
    then
        kill $(cat "$1")
    fi
}

read_sensor() {
    if test -f "$1"
    then
        cat "$1"
    else
        printf '%s\n' '--'
    fi
}

kill_sensor ${dir}/khatus_x4_sensor_datetime/pid
kill_sensor ${dir}/khatus_x4_sensor_mpd/pid
kill_sensor ${dir}/khatus_x4_sensor_energy/pid

./bin/khatus_x4_sensor_datetime -d
./bin/khatus_x4_sensor_mpd -d
./bin/khatus_x4_sensor_energy -d

while :
do
    battery_state="$(read_sensor ${dir}/khatus_x4_sensor_energy/out/battery_state)"
    battery_percentage="$(read_sensor ${dir}/khatus_x4_sensor_energy/out/battery_percentage)"
    datetime="$(read_sensor ${dir}/khatus_x4_sensor_datetime/out/datetime)"
    mpd="$(read_sensor ${dir}/khatus_x4_sensor_mpd/out/state)"
    printf \
        "E[${battery_state} ${battery_percentage}] [${mpd}] ${datetime}\n"
    sleep 1
done