#!/usr/bin/env python3

import asyncio
import redis
import sys
import websockets

#redis_client = redis.Redis(host='localhost', port=6379, db=0)

pool = redis.ConnectionPool(host='localhost', port=6379, password='', db=0)
redis_pool = redis.StrictRedis(connection_pool=pool)
#redis_connection = redis_pool.redis_connect()

#pubsub = redis_connection.pubsub()
pubsub = redis_pool.pubsub()
pubsub.subscribe('testing')
pubsub.subscribe('foo')

#for message in pubsub.listen():
#    if message['data'] == 'exit':
#        sys.exit()
#    print(message)


"""
async def hello(websocket, path):
    name = await websocket.recv()
    print(f"< {name}")

    greeting = f"Hello {name}!"

    await websocket.send(greeting)
    print(f"> {greeting}")

start_server = websockets.serve(hello, "localhost", 8765)

asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()
"""

async def time(websocket, path):
    while True:
        now = datetime.datetime.utcnow().isoformat() + "Z"
        await websocket.send(now)
        await asyncio.sleep(random.random() * 3)

start_server = websockets.serve(time, "127.0.0.1", 5678)

asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()