#!/usr/bin/env python
import uuid
import pika
from requests import Request

from utils.broker import encode_request


class RpcClient(object):
    def __init__(self):
        self.connection = pika.BlockingConnection(
            pika.ConnectionParameters(host="localhost"),
        )

        self.channel = self.connection.channel()

        result = self.channel.queue_declare(queue="", exclusive=True)
        self.callback_queue = result.method.queue

        self.channel.basic_consume(
            queue=self.callback_queue,
            on_message_callback=self.on_response,
            auto_ack=True,
        )

        self.response = None
        self.corr_id = None

    def on_response(self, ch, method, props, body):
        if self.corr_id == props.correlation_id:
            self.response = body

    def call(self, request, correlation_id=None):
        data = encode_request(request)
        self.response = None
        if not correlation_id:
            self.corr_id = str(uuid.uuid4())



        self.channel.basic_publish(
            exchange="",
            routing_key="rpc_queue",
            properties=pika.BasicProperties(
                reply_to=self.callback_queue,
                correlation_id=self.corr_id,
            ),
            body=data,
        )
        self.connection.process_data_events(time_limit=5)
        return self.response



#
method = 'GET'
url = 'http://accounts/test_app/test_api?test=1&test=2&test=3'

request = Request(method=method, url=url, json={'key_1': 'requests_lib'})


rpc = RpcClient()

print(" [x] Requesting ...")
# for i in range(1000):
response = rpc.call(request)
print(response.decode())
    # print(type(response.decode()))

# print(i)