-- This is the script run after editing device params
local functions, params, oldparams = ...

APP.logevent("got to update_device_params script")

local function findip(mac)
	if not mac or mac == "" then
		return nil
	end
	local ipaddr = functions.getselectresponse("SELECT ip FROM provisioning_requests WHERE mac~*'"..mac.."'")
	if ipaddr and ipaddr[1] then
		return ipaddr[1].ip
	end
end

local notify_device = function(mac, extension)
	local ipaddr = findip(mac)
	if ipaddr then
		APP.logevent("Notifying "..ipaddr.." to update for "..(mac or ""))
		os.execute("/etc/provisioning/notify_device "..ipaddr.." "..extension)
		addfuturenotify(ipaddr, extension)
	else
		APP.logevent("Warning - could not find IP address for "..(mac or ""))
	end
end

-- Notify the phone to pull it's config
-- Try to get a valid extension currently on the device
local oldexten = ""
for name,val in pairs(oldparams.value) do
	if string.match(name, "^reg") and val.value.extension and val.value.extension.value ~= "" then
		oldexten = val.value.extension.value
		break
	end
end
if params.value.device and params.value.device.value.mac and params.value.device.value.mac.value ~= "" then
	notify_device(params.value.device.value.mac.value, oldexten)
end
if oldparams.value.device and oldparams.value.device.value.mac and oldparams.value.device.value.mac.value ~= "" then
	notify_device(oldparams.value.device.value.mac.value, oldexten)
end