import os
import json

from tornado.ioloop import IOLoop
from tornado.web import RequestHandler, Application

from tfw.builtins import FSMAwareEventHandler
from tfw.main import EventHandlerFactory


class ControllerPostHandler(RequestHandler):
    # pylint: disable=abstract-method,attribute-defined-outside-init,unused-argument
    def initialize(self, **kwargs):
        self.controller = kwargs['controller']

    def post(self, *args, **kwargs):
        self.set_header('Content-Type', 'application/json')
        self.write(json.dumps({
            'solved': self.controller.fsm_in_accepted_state
        }))


class ControllerEventHandler(FSMAwareEventHandler):
    def handle_event(self, message):
        pass


if __name__ == '__main__':
    controller = ControllerEventHandler('controller')
    controller_eh = EventHandlerFactory().build(controller)

    application = Application([(
        f'/{os.environ["SECRET"]}',
        ControllerPostHandler,
        {'controller': controller}
    )])
    application.listen(os.environ['CONTROLLER_PORT'])

    try:
        IOLoop.instance().start()
    finally:
        controller.cleanup()