#!/bin/sh /etc/rc.common

START=95
USE_PROCD=1
LOGGER="logger -t [NPC]"

npc_Path="$(command -v npc)"

start_service() {
	if [ -f /usr/local/bin/npc ] ; then
		${LOGGER} "Moving npc to /usr/bin ..."
		mv -f /usr/local/bin/npc /usr/bin/npc
	fi
	if [ -f /usr/local/bin/npc-update ] ; then
		${LOGGER} "Moving npc-update to /usr/bin ..."
		mv -f /usr/local/bin/npc-update /usr/bin/npc-update
	fi
	local basic_list="enable server_addr protocol vkey dns extra_args"
	for i in $(echo $basic_list);do
		local eval $i="$(uci_get_by_type npc 0 $i)"
	done;unset i

	if [ "$enable" != "1" ]; then
		${LOGGER} "NPS Client(NPC) is disabled"
		return
	fi

	${LOGGER} "Starting NPS Client(NPC) ..."

	cmd_args=""
	if ! printf '%s\n' "$extra_args" | grep -q -- '\-server='; then
		cmd_args="$cmd_args -server=${server_addr}"
	fi
	if ! printf '%s\n' "$extra_args" | grep -q -- '\-vkey='; then
		cmd_args="$cmd_args -vkey=${vkey}"
	fi
	if ! printf '%s\n' "$extra_args" | grep -q -- '\-type='; then
		cmd_args="$cmd_args -type=${protocol}"
	fi
	if ! printf '%s\n' "$extra_args" | grep -q -- '\-dns_server='; then
		cmd_args="$cmd_args -dns_server=${dns}"
	fi

	[ -n "$extra_args" ] && cmd_args="$cmd_args $extra_args"

	if ! printf '%s\n' "$cmd_args" | grep -q -- '\-log='; then
		cmd_args="$cmd_args -log=off"
	fi

	procd_open_instance
	procd_set_param command $npc_Path $cmd_args
	procd_set_param respawn
	procd_set_param stdout 1
	procd_set_param stderr 1
	procd_close_instance
}

stop_service() {
	${LOGGER} "Stopping NPS Client(NPC) ..."
}

service_triggers() {
	procd_add_reload_trigger "npc"
}

uci_get_by_type() {
	local ret=$(uci get npc.@$1[$2].$3 2>/dev/null)
	echo ${ret:=$4}
}