--
-- (C) 2020 - 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 = {}

rest_utils.consts_ok                =  0
rest_utils.consts_not_found         = -1
rest_utils.consts_invalid_interface = -2
rest_utils.consts_not_granted       = -3
rest_utils.consts_invalid_host      = -4
rest_utils.consts_invalid_args      = -5
rest_utils.consts_internal_error    = -6
rest_utils.consts_bad_format        = -7
rest_utils.consts_bad_content       = -8

local rc_str_consts = {
   [rest_utils.consts_ok] = "OK",
   [rest_utils.consts_not_found] = "NOT_FOUND",
   [rest_utils.consts_invalid_interface] = "INVALID_INTERFACE",
   [rest_utils.consts_not_granted] = "NOT_GRANTED",
   [rest_utils.consts_invalid_host] = "INVALID_HOST",
   [rest_utils.consts_invalid_args] = "INVALID_ARGUMENTS",
   [rest_utils.consts_internal_error] = "INTERNAL_ERROR",
   [rest_utils.consts_bad_format] = "BAD_FORMAT",
   [rest_utils.consts_bad_content] = "BAD_CONTENT",
}

function rest_utils.rc(ret_code, response)
   local client_rsp = { rc = ret_code, rc_str = rc_str_consts[ret_code], rsp = response or {} }
   return(json.encode(client_rsp))
end


return rest_utils