#!/usr/bin/lua

local site = require 'gluon.site'
local util = require 'gluon.util'
local sysconfig = require 'gluon.sysconfig'

local uci = require('simple-uci').cursor()

if not sysconfig.lan_ifname then
	os.exit(0)
end

local old_proto = uci:get('network', 'mesh_lan', 'proto')

uci:section('network', 'interface', 'mesh_lan', {
	ifname        = sysconfig.lan_ifname,
	igmp_snooping = false,
	proto         = 'gluon_wired',
	index         = 4,
})

if sysconfig.lan_ifname:match(' ') then
	uci:set('network', 'mesh_lan', 'type', 'bridge')
else
	uci:delete('network', 'mesh_lan', 'type')
end

local enable = site.mesh_on_lan(false)
local old_auto = uci:get('network', 'mesh_lan', 'auto')
local old_disabled = uci:get('network', 'mesh_lan', 'disabled')
if old_auto ~= nil or old_disabled ~= nil then
	enable = old_auto ~= '0' and old_disabled ~= '1'
end

if enable then
	local interfaces = uci:get_list('network', 'client', 'ifname')

	if interfaces then
		for lanif in sysconfig.lan_ifname:gmatch('%S+') do
			if util.contains(interfaces, lanif) then
				enable = false
				break
			end
		end
	end
end

uci:set('network', 'mesh_lan', 'disabled', not enable)

if uci:get('network', 'mesh_lan', 'transitive') == nil then
	uci:set('network', 'mesh_lan', 'transitive', true)
end
if uci:get('network', 'mesh_lan', 'legacy') == nil then
	uci:set('network', 'mesh_lan', 'legacy', old_proto == 'gluon_mesh')
end

uci:delete('network', 'mesh_lan', 'auto')
uci:delete('network', 'mesh_lan', 'fixed_mtu')

uci:save('network')