import socketio
import eventlet
from flask import Flask, render_template
import json
import time

sio = socketio.Server()
app = Flask(__name__,static_folder='static')

def background_thread():
        sio.sleep(1)
        timer = (int(time.time()))
        sio.emit('message', json.dumps({'timestamp': timer}))
        sio.start_background_task(background_thread)

@app.route('/')
def index():
    return render_template('index.html')

@sio.on('connect')
def connect(sid, environ):
    print('connect ', sid)

@sio.on('disconnect')
def disconnect(sid):
    print('disconnect ', sid)


if __name__ == '__main__':
    app.debug = True
    app = socketio.Middleware(sio, app)

    eventlet.wsgi.server(eventlet.listen(('127.0.0.1', 3000)), app)