#!/bin/sh

git checkout config.h

# CPU temp reporting is cancer
# find a correct file assuming CPU is the hottest element
Tmax="0"
for f in /sys/class/hwmon/hwmon*/temp*_input
do
	T="$(cat "$f")"
	if [ "$T" -gt "$Tmax" ]; then
		Tmax="$T"
		CPUtemp="$f"
	fi
done
sed -i "/{ cpu_perc/a\\\\t{ temp,           \"%s° \",        \"$CPUtemp\"}," config.h

# detect battery
for BAT_path in `find /sys/class/power_supply -name BAT*`
do
	BAT="$(basename "$BAT_path")"
	sed -i "/BATSTATE/a\\\\t{ battery_state,  \"%s]\",          \"$BAT\"}," config.h
	sed -i "/BATSTATE/a\\\\t{ battery_perc,   \"[%s\",          \"$BAT\"}," config.h
done

# detect ethernet interfaces
# WARNING: currently will fail with multiple interfaces due to as slstatus stores the # of bytes sent in a static variable
ETH="$(ip link | grep ': en' | cut -d':' -f2 | xargs)"
if [ -n "$ETH" ]; then
	sed -i "/NETSPEED/a\\\\t{ netspeed_tx,    \"%7s]\",         \"$ETH\"}," config.h
	sed -i "/NETSPEED/a\\\\t{ netspeed_rx,    \"[%7s \",      \"$ETH\"}," config.h
fi

# detect wireless interfaces
WLAN="$(ip link | grep ': wlp' | cut -d':' -f2 | xargs)"
if [ -n "$WLAN" ]; then
	sed -i "/NETSPEED/a\\\\t{ netspeed_tx,    \"%7s]\",         \"$WLAN\"}," config.h
	sed -i "/NETSPEED/a\\\\t{ netspeed_rx,    \"%7s \",        \"$WLAN\"}," config.h
	sed -i "/NETSPEED/a\\\\t{ wifi_perc,      \"[%3s\",        \"$WLAN\"}," config.h
fi

sed -i "s/#define CPUS.*/#define CPUS $(nproc)/" components/cpu.c