#!/bin/sh

. /lib/functions.sh

_setup_macaddr() {
	uci -q get "network.$1_dev.macaddr" >/dev/null && return
	uci -q set "network.$1_dev.macaddr=$2"
}

_setup_macvlan() {
	uci -q get "network.$1_dev.ifname" >/dev/null && return

	# do not create macvlan for vlan
	local _ifname
	_ifname=$(uci -q get "network.$1.ifname")
	case "$_ifname" in
	eth*.*) return ;;
	esac

	uci -q batch <<-EOF
	set network.$1_dev=device
	set network.$1_dev.name=$1
	set network.$1_dev.type=macvlan
	set network.$1_dev.ifname=$_ifname
	set network.$1.ifname=$1
	EOF
	_macaddr=$(uci -q get "network.$1.macaddr")
	_setup_macaddr "$1" "${_macaddr:-auto$(date +%s)}"
	uci -q set "network.$1.type=macvlan"  # legacy
}

_setup_multipath_off() {
    uci -q get "network.$1.multipath" >/dev/null && return
    uci -q set "network.$1.multipath=off"
}

_setup_wan_interface() {
	uci -q batch <<-EOF
	set network.$1=interface
	set network.$1.ifname=$2
	set network.$1.proto=static
	set network.$1.ip4table=wan
	set network.$1.multipath=$3
	set network.$1.defaultroute=0
	commit network
	add_list firewall.@zone[1].network=$1
	commit firewall
	EOF
	[ -n "$4" ] && uci -q set network.$1.type=$4
}

if [ "$(uci -q get network.lan.multipath)" != "" ]; then
	exit 0
fi

uci -q batch <<-EOF
set network.lan=interface
set network.lan.proto=static
set network.lan.ipaddr=192.168.100.1
set network.lan.netmask=255.255.255.0
set network.lan.ifname=eth0
set network.lan.metric=2048
EOF

uci -q batch <<-EOF
delete network.none
delete network.if6rd
reorder network.loopback=0
reorder network.globals=1
reorder network.lan=2
set network.globals.multipath=enable
EOF

# Set the ip rule for the lan with a pref of 100
uci -q show network.lan_rule >/dev/null || \
	uci -q batch <<-EOF
	set network.lan_rule=rule
	set network.lan_rule.lookup=lan
	set network.lan_rule.priority=100
	EOF

if [ "$(uci -q get network.vpn0.proto)" = "none" ]; then
	uci -q delete network.vpn0
fi

config_load network
config_foreach _setup_multipath_off interface

# Add the lan as a named routing table
if ! grep -s -q "lan" /etc/iproute2/rt_tables; then
	echo "50 lan" >> /etc/iproute2/rt_tables
fi
uci -q set network.lan.ip4table='lan'


#uci -q set "network.lan.ip6assign=64"

# Create WAN interfaces
if [ "$(uci -q show network | grep wan1)" = "" ]; then
	if [ -d /sys/class/net/wan ]; then
		uci -q batch <<-EOF
		delete network.wan
		EOF
		_setup_wan_interface wan1 wan master macvlan
		_setup_wan_interface wan2 wan on macvlan
		_setup_macvlan wan1
		_setup_macvlan wan2
	elif [ -d /sys/class/net/eth1 ]; then
		if [ -d /sys/class/net/eth2 ]; then
			_setup_wan_interface wan1 eth1 master
			_setup_wan_interface wan2 eth2 on
		else
			_setup_wan_interface wan1 eth1 master macvlan
			_setup_wan_interface wan2 eth1 on macvlan
			_setup_macvlan wan1
			_setup_macvlan wan2
		fi
	else
		_setup_wan_interface wan1 eth0 master macvlan
		_setup_wan_interface wan2 eth0 on macvlan
		_setup_macvlan wan1
		_setup_macvlan wan2
	fi
	uci -q batch <<-EOF
	add network route6
	set network.@route6[-1].interface='lan'
	set network.@route6[-1].target='::/0'
	commit network
	EOF
	rm -f /tmp/luci-indexcache
fi
exit 0