#!/usr/bin/env lua
--[[
  Copyright (C) 2013-2020 LibreMesh.org
  This is free software, licensed under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3

  Copyright 2021 German Ferrero <germanferrero@altermundi.net>
]]--

local ubus = require "ubus"
local json = require 'luci.jsonc'
local utils = require 'lime.utils'
local network_nodes = require 'network-nodes'

local conn = ubus.connect()
if not conn then
    error("Failed to connect to ubus")
end

local function get_nodes(msg)
    local nodes = network_nodes.get_nodes()
    utils.printJson({ status = "ok", nodes = nodes })
end

local function mark_nodes_as_gone(msg)
    if not msg.hostnames then
      utils.printJson({ status = "error", message = "missing attribute hostnames" })
      return
    end

    network_nodes.mark_nodes_as_gone(msg.hostnames)
    utils.printJson({ status = "ok" })
end


local methods = {
    get_nodes = { no_params = 0},
    mark_nodes_as_gone = { hostnames = 'value' }
}

if arg[1] == 'list' then
    utils.printJson(methods)
end

if arg[1] == 'call' then
    local msg = utils.rpcd_readline() or '{}'
    msg = json.parse(msg)
    if      arg[2] == 'get_nodes' then get_nodes(msg)
    elseif  arg[2] == 'mark_nodes_as_gone' then mark_nodes_as_gone(msg)
    else utils.printJson({ error = "Method not found" })
    end
end