# SPDX-License-Identifier: GPL-3.0-only

babel_get_version() {
	/usr/sbin/babeld -V 2>&1
}

babel_add_interface() {
	[ "$#" -ne "4" ] && return 1

	local name="$1"
	local interface="$2"
	local type="$3"
	local rxcost="$4"

	uci set babeld.$name=interface
	uci set babeld.$name.ifname="$interface"
	uci set babeld.$name.type="$type"
	uci set babeld.$name.rxcost="$rxcost"

	return 0
}

babel_delete_interface() {
	[ "$#" -ne "1" ] && return 1

	local name="$1"

	uci -q del babeld.$name

	return 0
}

babel_add_redistribute_filter() {
	[ "$#" -ne "1" ] && return 1

	local prefix="$1"

	config=$(uci add babeld filter)
	uci set babeld.$config.type='redistribute'
	uci set babeld.$config.ip="$prefix"
	uci set babeld.$config.addedbyautoconfig='true'

	return 0
}

babel_add_private_prefix_filter() {
	[ "$#" -ne "1" ] && return 1

	local prefix="$1"

	config=$(uci add babeld filter)
	uci set babeld.$config.type='redistribute'
	uci set babeld.$config.ip="$prefix"
	uci set babeld.$config.addedbyautoconfig='true'
	uci set babeld.$config.action='deny'

	# move to top, so filter rule has precedence over all other rules
	uci reorder babeld.$config=0

	config=$(uci add babeld filter)
	uci set babeld.$config.type='redistribute'
	uci set babeld.$config.ip="$prefix"
	uci set babeld.$config.addedbyautoconfig='true'
	uci set babeld.$config.local='true'
	uci set babeld.$config.action='deny'

	# move to top, so filter rule has precedence over all other rules
	uci reorder babeld.$config=0

	return 0
}

babel_remove_custom_redistribute_filters() {
	[ "$#" -ne "0" ] && return 1

	remove_filters() {
		local name="$1"

		# check if filter was added by configuregateway
		if ! [ "$(uci -q get babeld.$name.addedbyautoconfig)" = 'true' ]; then
			return
		fi

		uci -q del babeld.$name
	}

	config_load babeld
	config_foreach remove_filters filter

	return 0
}

babel_apply_implementation() {
	uci commit babeld
}

babel_reload_implementation() {
	return 0
}

babel_revert() {
	uci revert babeld
}