#!/usr/bin/python3

import sys
import os
import pika
import logging

from asebat.timefmt import timestamp_fmt as ts
from asebat.timefmt import date_refmt as df
from asebat.config import set_config as setting


def callback(ch, method, properties, body): #body è di tipo byte
    logging.info("PID {:>5} >> Read message {}".format(
        os.getpid(), body.decode("utf-8")))



    ch.basic_ack(delivery_tag=method.delivery_tag)


def main():
    cfg = setting.config()

    logging.basicConfig(
        format="%(asctime)s %(message)s",
        filename="/var/log/" + cfg.elablog,
        level=logging.INFO,
    )

    parameters = pika.URLParameters('amqp://' + cfg.mquser + ':' + cfg.mqpass +
                                    '@' + cfg.mqhost + ':5672/%2F')
    connection = pika.BlockingConnection(parameters)
    channel = connection.channel()
    channel.queue_declare(queue=cfg.csv_queue, durable=True)

    channel.basic_qos(prefetch_count=1)
    channel.basic_consume(queue=cfg.csv_queue, on_message_callback=callback)
    try:
        channel.start_consuming()
    except KeyboardInterrupt:
        logging.info("PID {:>5} >> Info: {}.".format(
            os.getpid(), "Shutdown requested...exiting"))

if __name__ == "__main__":
    main()