#!/bin/sh

. /lib/functions.sh

dlog() {
	[ $debug = '1' ] && echo "$@" >> /tmp/fanctld.log
}

load_config() {

	local config_section="config"

	config_load 'fanctld'

	config_get enabled "$config_section" Enabled
	config_get fan_gpio "$config_section" Gpio
	config_get debug "$config_section" Debug
	config_get delay "$config_section" Delay
	config_get hit_level "$config_section" Hits
	config_get temp_trip "$config_section" Temp
	config_get temp_hyst "$config_section" Hyst
}

load_config

temp_clr=$((($temp_trip)-($temp_hyst)))

nss_temp() {
	cat /sys/class/thermal/thermal_zone0/temp
}

cpu_temp() {
	cat /sys/class/thermal/thermal_zone9/temp
}

wifi0_temp() {
       cat /sys/devices/platform/soc@0/c000000.wifi/ieee80211/phy0/hwmon*/temp1_input
}

wifi1_temp() {
	 cat /sys/devices/platform/soc@0/c000000.wifi/ieee80211/phy1/hwmon*/temp1_input
}

wifi2_temp() {
	 cat /sys/devices/platform/soc@0/c000000.wifi/ieee80211/phy2/hwmon*/temp1_input
}

aqr_temp() {
	cat /sys/devices/platform/soc@0/90000.mdio/mdio_bus/90000.mdio-1/90000.mdio-1:08/hwmon/hwmon*/temp1_input
}

check_temps() {

	temp1=$(nss_temp)
	temp2=$(cpu_temp)
	temp3=$(($(wifi0_temp)-1000))
	temp4=$(($(wifi1_temp)))
	temp5=$(($(wifi2_temp)-2000))
	temp6=$(($(aqr_temp)-2000))

	dlog "nss_temp=$temp1 cpu_temp=$temp2 wifi0_temp=$temp3 wifi1_temp=$temp4 wifi2_temp=$temp5 aqr_temp=$temp6"

	load_config

	if [ $temp1 -ge $temp_trip -o $temp2 -ge $temp_trip -o $temp3 -ge $temp_trip -o $temp4 -ge $temp_trip -o $temp5 -ge $temp_trip -o $temp6 -ge $temp_trip ]; then
		echo 2
	elif [ $temp1 -le $temp_clr -a $temp2 -le $temp_clr -a $temp3 -le $temp_clr -a $temp4 -le $temp_clr -a $temp5 -le $temp_clr -a $temp6 -le $temp_clr ]; then
		echo 1
	else
		echo 0
	fi
}

fan_status() {
	fanctl status
}

load_config

dlog "----- fanctld debug log -----"
dlog "enabled=$enabled, delay=$delay, hit_level=$hit_level, temp=$temp_trip, hyst=$temp_hyst, debug=$debug"

>> /tmp/fanctld.log

trip_hits=0
clr_hits=0

while true; do
	sleep $delay

	result=$(check_temps)

	if [ $result = '2' ]; then
		trip_hits=$((trip_hits+1))
	elif [ $result = '1' ]; then
		clr_hits=$((clr_hits+1))
	else
		trip_hits=0
		clr_hits=0
	fi

	if [ $trip_hits -ge $hit_level ]; then
		trip_hits=0
		if [ $(fan_status) = 'disable' ]; then
			fanctl start
			logger -p info -t fanctld "Fan switch on temperature reached ("$temp_trip"), start fan"

		fi
	elif [ $clr_hits -ge $hit_level ]; then
		clr_hits=0
		if [ $(fan_status) = 'enable' ]; then
			fanctl stop
			logger -p info -t fanctld "Fan switch off temperature reached ("$temp_clr"), stop fan"
		fi
	fi
done