--
-- (C) 2019-24 - ntop.org
--
dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
package.path = dirs.installdir .. "/scripts/lua/modules/import_export/?.lua;" .. package.path

require "lua_utils"

local snmp_import_export = require "snmp_import_export"
local am_import_export = require "am_import_export"
local notifications_import_export = require "notifications_import_export"
local checks_import_export = require "checks_import_export"
local pool_import_export = require "pool_import_export"
local rest_utils = require "rest_utils"
local import_export_rest_utils = require "import_export_rest_utils"
local auth = require "auth"

--
-- Import Pool configuration
--
-- NOTE: in case of invalid login, no error is returned but redirected to login
--

if not auth.has_capability(auth.capabilities.pools) then
   rest_utils.answer(rest_utils.consts.err.not_granted)
   return
end

-- ################################################

local modules = import_export_rest_utils.unpack(_POST["JSON"])

if not modules then
   rest_utils.answer(rest_utils.consts.err.invalid_args)
   return
end

local expected_modules = { "snmp", "active_monitoring", "notifications", "scripts", "pool" }
local missing_modules = {}
for _, m in ipairs(expected_modules) do
  if not modules[m] then
    rest_utils.answer(rest_utils.consts.err.configuration_file_mismatch)
    missing_modules[#missing_modules+1] = m
  end
end

if #missing_modules > 0 then
  traceError(TRACE_ERROR, TRACE_CONSOLE, "Failure importing configuration due to missing modules: " .. table.concat(missing_modules, ", "))
  return
end

local items = {}

local snmp_ie = snmp_import_export:create()
items[#items+1] = {
   name = "snmp",
   conf = modules["snmp"],
   instance = snmp_ie
}

local am_ie = am_import_export:create()
items[#items+1] = {
   name = "active_monitoring", 
   conf = modules["active_monitoring"],
   instance = am_ie
}

local notifications_ie = notifications_import_export:create()
items[#items+1] = {
   name = "notifications", 
   conf = modules["notifications"],     
   instance = notifications_ie
}

local scripts_ie = checks_import_export:create()
items[#items+1] = {
   name = "scripts", 
   conf = modules["scripts"],           
   instance = scripts_ie
}

local pool_ie = pool_import_export:create()
items[#items+1] = {
   name = "pool", 
   conf = modules["pool"],              
   instance = pool_ie
}

import_export_rest_utils.import(items)

