#!/usr/bin/python

import logging
import asyncio

from amqtt.client import MQTTClient
from amqtt.mqtt.constants import QOS_0, QOS_1, QOS_2
import time
import json

logger = logging.getLogger(__name__)

def encoder(inputdict):
    return json.dumps(inputdict).encode('utf-8')

async def test_coro():
    C = MQTTClient()
    await C.connect('mqtt://127.0.0.1:1883/')
    tasks = [

        asyncio.ensure_future(C.publish('sensors/pico1/distance', encoder({"data": 23.0, "sensorID": 0, "timestamp": time.time_ns()}))),
        asyncio.ensure_future(C.publish('a/b', b'TEST MESSAGE WITH QOS_1', qos=QOS_1)),
        asyncio.ensure_future(C.publish('a/b', b'TEST MESSAGE WITH QOS_2', qos=QOS_2)),
    ]
    await asyncio.wait(tasks)
    logger.info("messages published")
    await C.disconnect()


async def test_coro2():
    try:
        C = MQTTClient()
        ret = await C.connect('mqtt://127.0.0.1:1883/')
        message = await C.publish('a/b', b'TEST MESSAGE WITH QOS_0', qos=QOS_0)
        message = await C.publish('a/b', b'TEST MESSAGE WITH QOS_1', qos=QOS_1)
        message = await C.publish('a/b', b'TEST MESSAGE WITH QOS_2', qos=QOS_2)
        #print(message)
        logger.info("messages published")
        await C.disconnect()
    except ConnectException as ce:
        logger.error("Connection failed: %s" % ce)
        asyncio.get_event_loop().stop()


if __name__ == '__main__':
    formatter = "[%(asctime)s] %(name)s {%(filename)s:%(lineno)d} %(levelname)s - %(message)s"
    logging.basicConfig(level=logging.DEBUG, format=formatter)
    asyncio.get_event_loop().run_until_complete(test_coro())
    asyncio.get_event_loop().run_until_complete(test_coro2())