#!/bin/sh
# SPDX-License-Identifier: GPL-3.0-or-later

. /lib/functions/system.sh
. /lib/functions/fff/network

BOARD="$(uci get board.model.name)"
. /etc/network.$BOARD
[ -n "$ROUTERMAC" ] || ROUTERMAC=$(get_mac_label)

if [ -s /etc/network.config ] ; then
    . /etc/network.config
else
    # Write network.config
    if [ "$ONE_PORT" = "YES" ] || [ -n "$ETHPORT" ] ; then
        echo "ETHMODE='$ETHMODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
    fi
    if [ -n "$TWO_PORT" ] ; then
        echo "LAN0MODE='$LAN0MODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
        echo "LAN1MODE='$LAN1MODE' # use BATMAN, CLIENT or WAN" >> /etc/network.config
    fi
    echo "FORCEPARSE='0' # Parse at: 0=first boot only, 1=every reboot, 2=next reboot (once)" >> /etc/network.config
fi

if [ "$FORCEPARSE" = '2' ] ; then
    sed -i '/^FORCEPARSE/d' /etc/network.config
    echo "FORCEPARSE='0' # Parse at: 0=first boot only, 1=every reboot, 2=next reboot (once)" >> /etc/network.config
    FORCEPARSE='1'
fi

if [ "$ONE_PORT" = "YES" ]; then
    if ! uci -q get network.$SWITCHDEV.ifname || [ "$FORCEPARSE" = '1' ] ; then
        uci set network.$SWITCHDEV=interface
        uci set network.$SWITCHDEV.ifname=$SWITCHDEV
        if [ "$ETHMODE" = "WAN" ]; then
            uci set network.client.ifname="bat0"
            uci set network.wan.ifname="$WANDEV"
            uci del network.ethmesh.ifname
            uci del network.${SWITCHDEV}.macaddr
        elif [ "$ETHMODE" = "CLIENT" ] ; then
            uci set network.client.ifname="bat0 $SWITCHDEV"
            uci set network.wan.ifname="eth2" #eth2 because it is default in config file
            uci del network.ethmesh.ifname
            uci del network.${SWITCHDEV}.macaddr
        elif [ "$ETHMODE" = "BATMAN" ] ; then
            uci set network.client.ifname="bat0"
            uci set network.wan.ifname="eth2" #eth2 because it is default in config file
            uci set network.ethmesh.ifname="$SWITCHDEV"
            ETH0DEV="$SWITCHDEV"
            ETH0MAC="w2ap"
        fi
        uci commit network
    fi
elif [ "$TWO_PORT" = "YES" ]; then
    if ! uci -q get network.$WANDEV.ifname || [ "$FORCEPARSE" = '1' ] ; then
        uci set network.$WANDEV=interface
        uci set network.$WANDEV.ifname="$WANDEV"
        uci set network.$SWITCHDEV=interface
        uci set network.$SWITCHDEV.ifname="$SWITCHDEV"
        # Only one WAN possible, second port will be unset if both are WAN
        if [ "$LAN0MODE" = "WAN" ]; then
            if [ "$LAN1MODE" = "CLIENT" ]; then
                uci set network.client.ifname="bat0 $SWITCHDEV"; else
                uci set network.client.ifname=bat0; fi
            # WAN
            uci set network.wan.ifname="$WANDEV"
            if [ "$LAN1MODE" = "BATMAN" ]; then
                uci set network.ethmesh.ifname="$SWITCHDEV"; else
                uci del network.ethmesh.ifname; fi
        # Two client ports are possible
        elif [ "$LAN0MODE" = "CLIENT" ]; then
            if [ "$LAN1MODE" = "CLIENT" ]; then
                uci set network.client.ifname="bat0 $WANDEV $SWITCHDEV"; else
                uci set network.client.ifname="bat0 $WANDEV"; fi
            if [ "$LAN1MODE" = "WAN" ]; then
                uci set network.wan.ifname="$SWITCHDEV"; else
                uci set network.wan.ifname=eth2; fi #eth2 because it is default in config file
            if [ "$LAN1MODE" = "BATMAN" ]; then
                uci set network.ethmesh.ifname="$SWITCHDEV"; else
                uci del network.ethmesh.ifname; fi
        # Only one BATMAN port possible, second port will be unset if both are BATMAN
        elif [ "$LAN0MODE" = "BATMAN" ] ; then
            if [ "$LAN1MODE" = "CLIENT" ]; then
                uci set network.client.ifname="bat0 $SWITCHDEV"; else
                uci set network.client.ifname=bat0; fi
            if [ "$LAN1MODE" = "WAN" ]; then
                uci set network.wan.ifname="$SWITCHDEV"; else
                uci set network.wan.ifname=eth2; fi #eth2 because it is default in config file
            # BATMAN
            uci set network.ethmesh.ifname="$WANDEV"
        fi
        if [ "$LAN0MODE" = "BATMAN" ]; then
            ETH0DEV="$WANDEV" # only needed for setting macaddr
            ETH0MAC=w2ap
            uci del network.$SWITCHDEV.macaddr
        elif [ "$LAN1MODE" = "BATMAN" ]; then
            # $WANDEV will win if both are set to BATMAN, as above
            ETH0DEV="$SWITCHDEV" # only needed for setting macaddr
            ETH0MAC=w2ap
            uci del network.$WANDEV.macaddr
        else
            uci del network.$WANDEV.macaddr
            uci del network.$SWITCHDEV.macaddr
        fi

        uci commit network
    fi
else
    if ! uci -q get network.$SWITCHDEV > /dev/null ; then

        if [ "$DSA" = "1" ]; then
            uci set network.$SWITCHDEV=device
            uci set network.$SWITCHDEV.name=$SWITCHDEV
            uci set network.$SWITCHDEV.type=bridge
            # temporary workaround for netifd bug present in OpenWrt 21.02.0 (FS#4104)
            uci set network.$SWITCHDEV.bridge_empty='1'

            uci set network.${SWITCHDEV}_1=bridge-vlan
            uci set network.${SWITCHDEV}_1.device=$SWITCHDEV
            uci set network.${SWITCHDEV}_1.vlan=1
            uci set network.${SWITCHDEV}_1.ports="$CLIENT_PORTS"

            if [ "$WANDEV" = "$SWITCHDEV" ] || ! [ -z "$WAN_PORTS" ]; then
                uci set network.${SWITCHDEV}_2=bridge-vlan
                uci set network.${SWITCHDEV}_2.device=$SWITCHDEV
                uci set network.${SWITCHDEV}_2.vlan=2
                uci set network.${SWITCHDEV}_2.ports="$WAN_PORTS"
            fi

            uci set network.${SWITCHDEV}_3=bridge-vlan
            uci set network.${SWITCHDEV}_3.device=$SWITCHDEV
            uci set network.${SWITCHDEV}_3.vlan=3
            uci set network.${SWITCHDEV}_3.ports="$BATMAN_PORTS"
        else
            SWITCHHW=$(swconfig list | awk '{ print $4 }')

            uci set network.$SWITCHDEV=switch
            uci set network.$SWITCHDEV.name=$SWITCHHW
            uci set network.$SWITCHDEV.enable=1
            uci set network.$SWITCHDEV.reset=1
            uci set network.$SWITCHDEV.enable_vlan=1

            uci set network.${SWITCHDEV}_1=switch_vlan
            uci set network.${SWITCHDEV}_1.device=$SWITCHHW
            uci set network.${SWITCHDEV}_1.vlan=1
            uci set network.${SWITCHDEV}_1.ports="$CLIENT_PORTS"

            if [ "$WANDEV" = "$SWITCHDEV" ] || [ -n "$WAN_PORTS" ]; then
                uci set network.${SWITCHDEV}_2=switch_vlan
                uci set network.${SWITCHDEV}_2.device=$SWITCHHW
                uci set network.${SWITCHDEV}_2.vlan=2
                uci set network.${SWITCHDEV}_2.ports="$WAN_PORTS"
            fi

            uci set network.${SWITCHDEV}_3=switch_vlan
            uci set network.${SWITCHDEV}_3.device=$SWITCHHW
            uci set network.${SWITCHDEV}_3.vlan=3
            uci set network.${SWITCHDEV}_3.ports="$BATMAN_PORTS"
        fi

        uci set network.client.ifname="$SWITCHDEV.1 bat0"

        uci set network.ethmesh.ifname="$SWITCHDEV.3"

        if [ "$WANDEV" = "$SWITCHDEV" ]; then
            uci set network.wan.ifname=$WANDEV.2
        else
            uci set network.wan.ifname=$WANDEV
        fi

        uci commit network
    fi
fi

if [ -n "$ETHMESHMAC" ]; then
    if uci get network.ethmesh.macaddr
    then
        echo "MAC for ethmesh is set already"
    else
        echo "Fixing MAC on $SWITCHDEV.3 (ethmesh)"
        sleep 10

        uci set network.ethmesh.macaddr=$ETHMESHMAC
        uci commit network
    fi
fi

if [ -n "$ROUTERMAC" ]; then
    if uci get network.client.macaddr
    then
        echo "MAC for client is set already"
    else
        echo "Fixing MAC on br-client"
        sleep 10

        uci set network.client.macaddr=$ROUTERMAC
        uci commit network
    fi
fi

if [ -n "$ETH0MAC" ]; then
        echo "Fixing MAC on $ETH0DEV"
        sleep 10
        NEW_MACADDR=$(cat "/sys/class/net/${ETH0MAC}/address")
        uci set network.$ETH0DEV.macaddr=$NEW_MACADDR
        uci commit network
fi

if uci -q get "network.client.ip6addr" > /dev/null
then
    echo "IPv6 for client is set already"
else
    echo "Setting IPv6 addresses"
    # Some time needed :(
    sleep 5

    prefix="fdff::/64"
    # Set $prefix::MAC as IP
    addr=$(owipcalc "$prefix" add "::$(ipMacSuffix "$ROUTERMAC")")

    uci -q set network.globals.ula_prefix=$prefix
    uci -q add_list network.client.ip6addr=$addr
    uci -q set network.client.proto=static

    # Set $prefix::1 as IP
    addr=$(owipcalc "$prefix" add ::1)
    uci -q add_list network.client.ip6addr=$addr

    # Set $prefix::link-local as IP
    addr=$(owipcalc "$prefix" add "::$(ipEUISuffix "$ROUTERMAC")")
    uci -q add_list network.client.ip6addr=$addr

    uci -q commit network

    [ -s /etc/init.d/fff-uradvd ] && /etc/init.d/fff-uradvd restart
fi

reload_config