#!/usr/bin/lua

local site = require 'gluon.site_config'
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

uci:section('network', 'interface', 'mesh_lan', {
  ifname        = sysconfig.lan_ifname,
  type          = 'bridge',
  igmp_snooping = false,
  proto         = 'gluon_mesh',
  transitive    = true,
  fixed_mtu     = true,
})

if uci:get('network', 'mesh_lan', 'auto') == nil then
  local enable = site.mesh_on_lan

  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', 'auto', enable or false)
end

uci:save('network')