--
-- (C) 2019-26 - ntop.org
--

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

local dirs = ntop.getDirs()

package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
package.path = dirs.installdir .. "/scripts/lua/modules/check_templates/?.lua;" .. package.path

-- Import the classes library.
local classes = require "classes"
-- Make sure to import the Superclass!
local check_template = require "check_template"
local field_units = require "field_units"

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

local multi_threshold_cross = classes.class(check_template)

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

multi_threshold_cross.meta = {
}

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

-- @brief Prepare an instance of the template
-- @return A table with the template built
function multi_threshold_cross:init(check)
   -- Call the parent constructor
   self.super:init(check)
end

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

function multi_threshold_cross:parseConfig(conf)
  return true, conf
end

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

function multi_threshold_cross:describeConfig(hooks_conf)
  local configured_threshold = {}
  for _, configuration in pairs(hooks_conf or {}) do
    if (configuration) and (table.len(configuration) > 0) then
      configured_threshold = configuration.script_conf
      break
    end
  end
  
  local msg = ''

  for field, value in pairs(configured_threshold) do
     if(type(value) == "table") and (value.threshold ~= nil) then
        local metadata = (self._check.default_value or {})[field] or {}
        local title = i18n(field) or (metadata.i18n_title and i18n(metadata.i18n_title)) or field
        local unit = "%"

        if(metadata.i18n_fields_unit) and (metadata.i18n_fields_unit ~= field_units.percentage) then
           unit = " " .. (i18n(metadata.i18n_fields_unit) or "")
        end

        msg = msg .. title .. ": " .. value.threshold .. unit .. ", "
     end
  end

  return msg
end

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

return multi_threshold_cross