from RoboMove import RoboMove

import tornado.httpserver
import tornado.websocket
import tornado.ioloop
import tornado.web



class IndexHandler(tornado.web.RequestHandler):
    @tornado.web.asynchronous
    def get(self):
        self.render("robo-client-basic.html")
 
class WSHandler(tornado.websocket.WebSocketHandler):
    move = False
    rm = ""

    def check_origin(self, origin):
        return True

    def open(self):
        print ("connecting...")
        try:
         self.rm = RoboMove()
         self.write_message("Hello world!")
        except Exception as a:
         print(a)

    def on_message(self, message):
        print("Command:", message)
        data=""
        try:
         data = self.rm.move(message)
         self.write_message(data)
         #if(data=="halt"):
          #self.rm.move("stop")
        except Exception as a:
         print("Error: ", a)
    def on_close(self):
        print ("closing sockets")
        self.rm =""
 
application = tornado.web.Application([
    (r'/', IndexHandler),
    (r"/ws", WSHandler),
])

 
if __name__ == "__main__":
    http_server = tornado.httpserver.HTTPServer(application)
    print ("Waiting client connection via browser port 8888")
    http_server.listen(8888)
    tornado.ioloop.IOLoop.instance().start()