--
-- (C) 2013-21 - ntop.org
--

local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path

require "lua_utils"
local json = require "dkjson"
local rest_utils = require "rest_utils"

--
-- Read all the defined L7 application categories
-- Example: curl -u admin:admin -H "Content-Type: application/json" http://localhost:3000/lua/rest/v1/get/l7/category/consts.lua
--
-- NOTE: in case of invalid login, no error is returned but redirected to login
--

local rc = rest_utils.consts.success.ok
local res = {}
local app_list = {}

local categories = interface.getnDPICategories()
local applications = interface.getnDPIProtocols()

for category, cat_id in pairs(categories) do

   local tmp_app_list = {}

   -- Get the list of the current cat_id

   for tmp_proto_name, tmp_proto_id in pairsByKeys(interface.getnDPIProtocols(tonumber(cat_id)), asc_insensitive) do
      tmp_app_list[#tmp_app_list + 1] = {
         name = tmp_proto_name,
         id   = tmp_proto_id,
      }
   end

   -- Create the record for the cat_id

   res[#res + 1] = {
      name = category, 
      cat_id = tonumber(cat_id),
      app_list = tmp_app_list,
   }
end

rest_utils.answer(rc, res)
