import random
import time
from multiprocessing.dummy import Pool

import pytest
from helpers.cluster import ClickHouseCluster
from helpers.network import PartitionManager
from helpers.test_tools import assert_eq_with_retry

"""
Both ssl_conf.xml and no_ssl_conf.xml have the same port
"""


def _fill_nodes(nodes, shard):
    for node in nodes:
        node.query(
            '''
                CREATE DATABASE test;
    
                CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
                ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}', date, id, 8192);
            '''.format(shard=shard, replica=node.name))


cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1',
                             main_configs=['configs/remote_servers.xml', 'configs/ssl_conf.xml', "configs/server.crt",
                                           "configs/server.key", "configs/dhparam.pem"], with_zookeeper=True)
node2 = cluster.add_instance('node2',
                             main_configs=['configs/remote_servers.xml', 'configs/ssl_conf.xml', "configs/server.crt",
                                           "configs/server.key", "configs/dhparam.pem"], with_zookeeper=True)


@pytest.fixture(scope="module")
def both_https_cluster():
    try:
        cluster.start()

        _fill_nodes([node1, node2], 1)

        yield cluster

    finally:
        cluster.shutdown()


def test_both_https(both_https_cluster):
    node1.query("insert into test_table values ('2017-06-16', 111, 0)")

    assert_eq_with_retry(node1, "SELECT id FROM test_table order by id", '111')
    assert_eq_with_retry(node2, "SELECT id FROM test_table order by id", '111')

    node2.query("insert into test_table values ('2017-06-17', 222, 1)")

    assert_eq_with_retry(node1, "SELECT id FROM test_table order by id", '111\n222')
    assert_eq_with_retry(node2, "SELECT id FROM test_table order by id", '111\n222')


def test_replication_after_partition(both_https_cluster):
    node1.query("truncate table test_table")
    node2.query("truncate table test_table")

    manager = PartitionManager()

    def close(num):
        manager.partition_instances(node1, node2, port=9010)
        time.sleep(1)
        manager.heal_all()

    def insert_data_and_check(num):
        node1.query("insert into test_table values('2019-10-15', {}, 888)".format(num))
        time.sleep(0.5)

    closing_pool = Pool(1)
    inserting_pool = Pool(5)
    cres = closing_pool.map_async(close, [random.randint(1, 3) for _ in range(10)])
    ires = inserting_pool.map_async(insert_data_and_check, list(range(100)))

    cres.wait()
    ires.wait()

    assert_eq_with_retry(node1, "SELECT count() FROM test_table", '100')
    assert_eq_with_retry(node2, "SELECT count() FROM test_table", '100')


node3 = cluster.add_instance('node3', main_configs=['configs/remote_servers.xml', 'configs/no_ssl_conf.xml'], with_zookeeper=True)
node4 = cluster.add_instance('node4', main_configs=['configs/remote_servers.xml', 'configs/no_ssl_conf.xml'], with_zookeeper=True)


@pytest.fixture(scope="module")
def both_http_cluster():
    try:
        cluster.start()

        _fill_nodes([node3, node4], 2)

        yield cluster

    finally:
        cluster.shutdown()


def test_both_http(both_http_cluster):
    node3.query("insert into test_table values ('2017-06-16', 111, 0)")

    assert_eq_with_retry(node3, "SELECT id FROM test_table order by id", '111')
    assert_eq_with_retry(node4, "SELECT id FROM test_table order by id", '111')

    node4.query("insert into test_table values ('2017-06-17', 222, 1)")

    assert_eq_with_retry(node3, "SELECT id FROM test_table order by id", '111\n222')
    assert_eq_with_retry(node4, "SELECT id FROM test_table order by id", '111\n222')


node5 = cluster.add_instance('node5',
                             main_configs=['configs/remote_servers.xml', 'configs/ssl_conf.xml', "configs/server.crt",
                                           "configs/server.key", "configs/dhparam.pem"],
                             with_zookeeper=True)
node6 = cluster.add_instance('node6',
                             main_configs=['configs/remote_servers.xml', 'configs/no_ssl_conf.xml'],
                             with_zookeeper=True)


@pytest.fixture(scope="module")
def mixed_protocol_cluster():
    try:
        cluster.start()

        _fill_nodes([node5, node6], 3)

        yield cluster

    finally:
        cluster.shutdown()


def test_mixed_protocol(mixed_protocol_cluster):
    node5.query("insert into test_table values ('2017-06-16', 111, 0)")

    assert_eq_with_retry(node5, "SELECT id FROM test_table order by id", '111')
    assert_eq_with_retry(node6, "SELECT id FROM test_table order by id", '')

    node6.query("insert into test_table values ('2017-06-17', 222, 1)")

    assert_eq_with_retry(node5, "SELECT id FROM test_table order by id", '111')
    assert_eq_with_retry(node6, "SELECT id FROM test_table order by id", '222')