import os
from time import sleep

import pytest
import redis

from django_q.brokers import get_broker, Broker
from django_q.conf import Conf
from django_q.humanhash import uuid


def test_broker():
    broker = Broker()
    broker.enqueue('test')
    broker.dequeue()
    broker.queue_size()
    broker.lock_size()
    broker.purge_queue()
    broker.delete('id')
    broker.delete_queue()
    broker.acknowledge('test')
    broker.ping()
    broker.info()
    # stats
    assert broker.get_stat('test_1') is None
    broker.set_stat('test_1', 'test', 3)
    assert broker.get_stat('test_1') == 'test'
    assert broker.get_stats('test:*')[0] == 'test'
    # stats with no cache
    Conf.CACHE = 'not_configured'
    broker.cache = broker.get_cache()
    assert broker.get_stat('test_1') is None
    broker.set_stat('test_1', 'test', 3)
    assert broker.get_stat('test_1') is None
    assert broker.get_stats('test:*') is None
    Conf.CACHE = 'default'


def test_redis():
    Conf.DJANGO_REDIS = None
    broker = get_broker()
    assert broker.ping() is True
    assert broker.info() is not None
    Conf.REDIS = {'host': '127.0.0.1', 'port': 7799}
    broker = get_broker()
    with pytest.raises(Exception):
        broker.ping()
    Conf.REDIS = None
    Conf.DJANGO_REDIS = 'default'


def test_custom():
    Conf.BROKER_CLASS = 'brokers.redis_broker.Redis'
    broker = get_broker()
    assert broker.ping() is True
    assert broker.info() is not None
    assert broker.__class__.__name__ == 'Redis'
    Conf.BROKER_CLASS = None


def test_disque():
    Conf.DISQUE_NODES = ['127.0.0.1:7711']
    # check broker
    broker = get_broker(list_key='disque_test')
    assert broker.ping() is True
    assert broker.info() is not None
    # clear before we start
    broker.delete_queue()
    # enqueue
    broker.enqueue('test')
    assert broker.queue_size() == 1
    # dequeue
    task = broker.dequeue()[0]
    assert task[1] == 'test'
    broker.acknowledge(task[0])
    assert broker.queue_size() == 0
    # Retry test
    Conf.RETRY = 1
    broker.enqueue('test')
    assert broker.queue_size() == 1
    broker.dequeue()
    assert broker.queue_size() == 0
    sleep(1.5)
    assert broker.queue_size() == 1
    task = broker.dequeue()[0]
    assert broker.queue_size() == 0
    broker.acknowledge(task[0])
    sleep(1.5)
    assert broker.queue_size() == 0
    # delete job
    task_id = broker.enqueue('test')
    broker.delete(task_id)
    assert broker.dequeue() is None
    # fail
    task_id = broker.enqueue('test')
    broker.fail(task_id)
    # bulk test
    for i in range(5):
        broker.enqueue('test')
    Conf.BULK = 5
    Conf.DISQUE_FASTACK = True
    tasks = broker.dequeue()
    for task in tasks:
        assert task is not None
        broker.acknowledge(task[0])
    # test duplicate acknowledge
    broker.acknowledge(task[0])
    # delete queue
    broker.enqueue('test')
    broker.enqueue('test')
    broker.delete_queue()
    assert broker.queue_size() == 0
    # connection test
    Conf.DISQUE_NODES = ['127.0.0.1:7798', '127.0.0.1:7799']
    with pytest.raises(redis.exceptions.ConnectionError):
        broker.get_connection()
    # back to django-redis
    Conf.DISQUE_NODES = None
    Conf.DISQUE_FASTACK = False


@pytest.mark.skipif(not os.getenv('IRON_MQ_TOKEN'),
                    reason="requires IronMQ credentials")
def test_ironmq():
    Conf.DISQUE_NODES = None
    Conf.SQS = None
    Conf.IRON_MQ = {'token': os.getenv('IRON_MQ_TOKEN'),
                    'project_id': os.getenv('IRON_MQ_PROJECT_ID')}
    # check broker
    broker = get_broker(list_key=uuid()[0])
    assert broker.ping() is True
    assert broker.info() is not None
    # initialize the queue
    broker.enqueue('test')
    # clear before we start
    broker.purge_queue()
    assert broker.queue_size() == 0
    # enqueue
    broker.enqueue('test')
    # dequeue
    task = broker.dequeue()[0]
    assert task[1] == 'test'
    broker.acknowledge(task[0])
    assert broker.dequeue() is None
    # Retry test
    # Conf.RETRY = 1
    # broker.enqueue('test')
    # assert broker.dequeue() is not None
    # sleep(3)
    # assert broker.dequeue() is not None
    # task = broker.dequeue()[0]
    # assert len(task) > 0
    # broker.acknowledge(task[0])
    # sleep(3)
    # delete job
    task_id = broker.enqueue('test')
    broker.delete(task_id)
    assert broker.dequeue() is None
    # fail
    task_id = broker.enqueue('test')
    broker.fail(task_id)
    # bulk test
    for i in range(5):
        broker.enqueue('test')
    Conf.BULK = 5
    tasks = broker.dequeue()
    for task in tasks:
        assert task is not None
        broker.acknowledge(task[0])
    # duplicate acknowledge
    broker.acknowledge(task[0])
    # delete queue
    broker.enqueue('test')
    broker.enqueue('test')
    broker.purge_queue()
    assert broker.dequeue() is None
    broker.delete_queue()
    # back to django-redis
    Conf.IRON_MQ = None
    Conf.DJANGO_REDIS = 'default'


@pytest.mark.skipif(not os.getenv('AWS_ACCESS_KEY_ID'),
                    reason="requires AWS credentials")
def test_sqs():
    Conf.IRON_MQ = None
    Conf.DISQUE_NODES = None
    Conf.SQS = {'aws_region': os.getenv('AWS_REGION'),
                'aws_access_key_id': os.getenv('AWS_ACCESS_KEY_ID'),
                'aws_secret_access_key': os.getenv('AWS_SECRET_ACCESS_KEY')}
    # check broker
    broker = get_broker(list_key=uuid()[0])
    assert broker.ping() is True
    assert broker.info() is not None
    assert broker.queue_size() == 0
    # enqueue
    broker.enqueue('test')
    # dequeue
    task = broker.dequeue()[0]
    assert task[1] == 'test'
    broker.acknowledge(task[0])
    assert broker.dequeue() is None
    # Retry test
    Conf.RETRY = 1
    broker.enqueue('test')
    assert broker.dequeue() is not None
    sleep(2)
    task = broker.dequeue()[0]
    assert len(task) > 0
    broker.acknowledge(task[0])
    sleep(2)
    # delete job
    broker.enqueue('test')
    task_id = broker.dequeue()[0][0]
    broker.delete(task_id)
    assert broker.dequeue() is None
    # fail
    broker.enqueue('test')
    while task is None:
        task = broker.dequeue()[0]
    broker.fail(task[0])
    # bulk test
    for i in range(10):
        broker.enqueue('test')
    Conf.BULK = 12
    tasks = broker.dequeue()
    for task in tasks:
        assert task is not None
        broker.acknowledge(task[0])
    # duplicate acknowledge
    broker.acknowledge(task[0])
    assert broker.lock_size() == 0
    # delete queue
    broker.enqueue('test')
    broker.purge_queue()
    broker.delete_queue()
    # back to django-redis
    Conf.SQS = None
    Conf.BULK = 1
    Conf.DJANGO_REDIS = 'default'


@pytest.mark.django_db
def test_orm():
    Conf.ORM = 'default'
    # check broker
    broker = get_broker(list_key='orm_test')
    assert broker.ping() is True
    assert broker.info() is not None
    # clear before we start
    broker.delete_queue()
    # enqueue
    broker.enqueue('test')
    assert broker.queue_size() == 1
    # dequeue
    task = broker.dequeue()[0]
    assert task[1] == 'test'
    broker.acknowledge(task[0])
    assert broker.queue_size() == 0
    # Retry test
    Conf.RETRY = 1
    broker.enqueue('test')
    assert broker.queue_size() == 1
    broker.dequeue()
    assert broker.queue_size() == 0
    sleep(1.5)
    assert broker.queue_size() == 1
    task = broker.dequeue()[0]
    assert broker.queue_size() == 0
    broker.acknowledge(task[0])
    sleep(1.5)
    assert broker.queue_size() == 0
    # delete job
    task_id = broker.enqueue('test')
    broker.delete(task_id)
    assert broker.dequeue() is None
    # fail
    task_id = broker.enqueue('test')
    broker.fail(task_id)
    # bulk test
    for i in range(5):
        broker.enqueue('test')
    Conf.BULK = 5
    tasks = broker.dequeue()
    assert broker.lock_size() == Conf.BULK
    for task in tasks:
        assert task is not None
        broker.acknowledge(task[0])
    # test lock size
    assert broker.lock_size() == 0
    # test duplicate acknowledge
    broker.acknowledge(task[0])
    # delete queue
    broker.enqueue('test')
    broker.enqueue('test')
    broker.delete_queue()
    assert broker.queue_size() == 0
    # back to django-redis
    Conf.ORM = None


@pytest.mark.django_db
def test_mongo():
    Conf.MONGO = {'host': '127.0.0.1', 'port': 27017}
    # check broker
    broker = get_broker(list_key='mongo_test')
    assert broker.ping() is True
    assert broker.info() is not None
    # clear before we start
    broker.delete_queue()
    # enqueue
    broker.enqueue('test')
    assert broker.queue_size() == 1
    # dequeue
    task = broker.dequeue()[0]
    assert task[1] == 'test'
    broker.acknowledge(task[0])
    assert broker.queue_size() == 0
    # Retry test
    Conf.RETRY = 1
    broker.enqueue('test')
    assert broker.queue_size() == 1
    broker.dequeue()
    assert broker.queue_size() == 0
    sleep(1.5)
    assert broker.queue_size() == 1
    task = broker.dequeue()[0]
    assert broker.queue_size() == 0
    broker.acknowledge(task[0])
    sleep(1.5)
    assert broker.queue_size() == 0
    # delete job
    task_id = broker.enqueue('test')
    broker.delete(task_id)
    assert broker.dequeue() is None
    # fail
    task_id = broker.enqueue('test')
    broker.fail(task_id)
    # bulk test
    for i in range(5):
        broker.enqueue('test')
    tasks = []
    for i in range(5):
        tasks.append(broker.dequeue()[0])
    assert broker.lock_size() == 5
    for task in tasks:
        assert task is not None
        broker.acknowledge(task[0])
    # test lock size
    assert broker.lock_size() == 0
    # test duplicate acknowledge
    broker.acknowledge(task[0])
    # delete queue
    broker.enqueue('test')
    broker.enqueue('test')
    broker.purge_queue()
    broker.delete_queue()
    assert broker.queue_size() == 0
    # back to django-redis
    Conf.ORM = None