#!/usr/bin/lua

local uci = require('luci.model.uci').cursor()
local site = require 'gluon.site_config'
local config = require 'gluon.sites'

function serialize (f,o,d)
  if type(o) == "number" then
    f:write(o)
  elseif type(o) == "string" then
    f:write(string.format("%q", o))
  elseif type(o) == "boolean" then
    f:write(o and 1 or 0)
  elseif type(o) == "table" then
    f:write("{\n")
    for k,v in pairs(o) do
      f:write(string.rep ("  ", d+1))
      if type(k) == "string" then
        f:write(k, " = ")
      end
      serialize(f,v,d+1)
      f:write(",\n")
    end
    f:write(string.rep ("  ", d), "}")
  else
    f:write("ERROR: cannot serialize a " .. type(o))
  end
end

local currentsite = uci:get("currentsite", "current", "name")

if site.site_code ~= currentsite then
  local configured = false
  for index, tmp in pairs(config) do
    if tmp.site_code == currentsite then
      local new = {}
  
      new.hostname_prefix = site.hostname_prefix
      new.site_name = tmp.site_name
      new.site_code = tmp.site_code
      new.prefix4 = site.prefix4
      new.prefix6 = site.prefix6
      new.additional_prefix6 = site.additional_prefix6
      new.timezone = site.timezone
      new.ntp_servers = site.ntp_servers
      new.opkg_repo = site.opkg_repo
      new.regdom = site.regdom
      new.wifi24 = site.wifi24
      new.wifi5 = site.wifi5
      new.next_node = site.next_node
      new.fastd_mesh_vpn = site.fastd_mesh_vpn
      new.autoupdater = site.autoupdater
      new.simple_tc = site.simple_tc
      new.debugserver = site.debugserver
      new.batman_on_wan = site.batman_on_wan

      file = '/lib/gluon/site.conf'
      f = io.open(file, "w")
      serialize(f,new,0)
      f:write('\n')
      f:close()

      configured = true
      break
    end
  end

  if configured == false then
    uci:set("currentsite", "current", "name", site.site_code)
    uci:save('currentsite')
    uci:commit('currentsite')
  end
end