from __future__ import print_function

import sys

import pika

from sylvilagus.ch02 import hello_world


def msg_consumer(channel, method, header, body):
    channel.basic_ack(delivery_tag=method.delivery_tag)
    if body == 'quit':
        channel.basic_cancel(consumer_tag='hello-consumer')
        channel.stop_consuming()
    else:
        print(body)
    return


def main():
    channel = hello_world.get_channel()

    channel.queue_declare(queue='hello-queue')
    channel.queue_bind(queue='hello-queue',
            exchange='hello-exchange',
            routing_key='hola')

    channel.basic_consume(msg_consumer,
            queue='hello-queue',
            consumer_tag='hello-consumer')

    print('consuming...')
    channel.start_consuming()

    return 0


if __name__ == '__main__':
    sys.exit(main())