local monarch

go.property("screen_factory", msg.url("#collectionfactory"))
go.property("screen_id", hash("UNIQUE ID HERE"))
go.property("popup", false)
go.property("popup_on_popup", false)
go.property("screen_keeps_input_focus_when_below_popup", false)
go.property("others_keep_input_focus_when_below_screen", false)
go.property("transition_id", hash("__DEPRECATED__"))
go.property("focus_id", hash("__DEPRECATED__"))
go.property("preload", false)


function init(self)
	monarch = require "monarch.monarch"
	assert(not self.popup_on_popup or (self.popup_on_popup and self.popup), "Popup on Popups can only be set if the Popup flag is set")
	assert(self.screen_factory ~= msg.url(), "You must specify either a factory URL")

	local settings = {
		popup = self.popup,
		popup_on_popup = self.popup_on_popup,
		screen_keeps_input_focus_when_below_popup = self.screen_keeps_input_focus_when_below_popup,
		others_keep_input_focus_when_below_screen = self.others_keep_input_focus_when_below_screen,
		transition_id = self.transition_id,
		focus_id = self.focus_id,
		auto_preload = self.preload,
	}
	monarch.register_factory(self.screen_id, self.screen_factory, settings)
end

function final(self)
	monarch.unregister(self.screen_id)
end

function on_message(self, message_id, message, sender)
	if message_id == hash("show") then
		monarch.show(self.screen_id, { clear = message.clear })
	elseif message_id == hash("hide") then
		monarch.back()
	elseif message_id == hash("back") then
		monarch.back()
	else
		monarch.on_message(message_id, message, sender)
	end
end
