import time
import pytest

from helpers.hdfs_api import HDFSApi
from helpers.cluster import ClickHouseCluster

cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', main_configs=['configs/config_with_hosts.xml'])
node2 = cluster.add_instance('node2', main_configs=['configs/config_with_only_primary_hosts.xml'])
node3 = cluster.add_instance('node3', main_configs=['configs/config_with_only_regexp_hosts.xml'])
node4 = cluster.add_instance('node4', main_configs=['configs/config_without_allowed_hosts.xml'])
node6 = cluster.add_instance('node6', main_configs=['configs/config_for_remote.xml'])
node7 = cluster.add_instance('node7', main_configs=['configs/config_for_redirect.xml'], with_hdfs=True)


@pytest.fixture(scope="module")
def start_cluster():
    try:
        cluster.start()
        yield cluster
    finally:
        cluster.shutdown()

def test_config_with_hosts(start_cluster):
    assert node1.query("CREATE TABLE table_test_1_1 (word String) Engine=URL('http://host:80', HDFS)") == ""
    assert node1.query("CREATE TABLE table_test_1_2 (word String) Engine=URL('https://yandex.ru', CSV)") == ""
    assert "not allowed" in node1.query_and_get_error("CREATE TABLE table_test_1_4 (word String) Engine=URL('https://host:123', S3)")
    assert "not allowed" in node1.query_and_get_error("CREATE TABLE table_test_1_4 (word String) Engine=URL('https://yandex2.ru', CSV)")

def test_config_with_only_primary_hosts(start_cluster):
    assert node2.query("CREATE TABLE table_test_2_1 (word String) Engine=URL('https://host:80', CSV)") == ""
    assert node2.query("CREATE TABLE table_test_2_2 (word String) Engine=URL('https://host:123', S3)") == ""
    assert node2.query("CREATE TABLE table_test_2_3 (word String) Engine=URL('https://yandex.ru', CSV)") == ""
    assert node2.query("CREATE TABLE table_test_2_4 (word String) Engine=URL('https://yandex.ru:87', HDFS)") == ""
    assert "not allowed" in node2.query_and_get_error("CREATE TABLE table_test_2_5 (word String) Engine=URL('https://host', HDFS)")
    assert "not allowed" in node2.query_and_get_error("CREATE TABLE table_test_2_5 (word String) Engine=URL('https://host:234', CSV)")
    assert "not allowed" in node2.query_and_get_error("CREATE TABLE table_test_2_6 (word String) Engine=URL('https://yandex2.ru', S3)")

def test_config_with_only_regexp_hosts(start_cluster):
    assert node3.query("CREATE TABLE table_test_3_1 (word String) Engine=URL('https://host:80', HDFS)") == ""
    assert node3.query("CREATE TABLE table_test_3_2 (word String) Engine=URL('https://yandex.ru', CSV)") == ""
    assert "not allowed" in node3.query_and_get_error("CREATE TABLE table_test_3_3 (word String) Engine=URL('https://host', CSV)")
    assert "not allowed" in node3.query_and_get_error("CREATE TABLE table_test_3_4 (word String) Engine=URL('https://yandex2.ru', S3)") 

def test_config_without_allowed_hosts(start_cluster):
    assert node4.query("CREATE TABLE table_test_4_1 (word String) Engine=URL('https://host:80', CSV)") == ""
    assert node4.query("CREATE TABLE table_test_4_2 (word String) Engine=URL('https://host', HDFS)") == ""
    assert node4.query("CREATE TABLE table_test_4_3 (word String) Engine=URL('https://yandex.ru', CSV)") == ""
    assert node4.query("CREATE TABLE table_test_4_4 (word String) Engine=URL('ftp://something.com', S3)") == ""

def test_table_function_remote(start_cluster):
    assert node6.query("SELECT * FROM remote('localhost', system, events)") != ""
    assert node6.query("SELECT * FROM remoteSecure('localhost', system, metrics)") != ""
    assert "URL \"localhost:800\" is not allowed in config.xml" in node6.query_and_get_error("SELECT * FROM remoteSecure('localhost:800', system, events)")
    assert "URL \"localhost:800\" is not allowed in config.xml" in node6.query_and_get_error("SELECT * FROM remote('localhost:800', system, metrics)")
    assert "not allowed in config.xml" not in node6.query_and_get_error("SELECT * FROM remoteSecure('example01-01-1,example01-02-1', system, events)")
    assert "not allowed in config.xml" not in node6.query_and_get_error("SELECT * FROM remote('example01-0{1,2}-1', system, events")
    assert "not allowed in config.xml" not in node6.query_and_get_error("SELECT * FROM remoteSecure('example01-01-{1|2}', system, events)")
    assert "not allowed in config.xml" not in node6.query_and_get_error("SELECT * FROM remote('example01-0{1,2}-{1|2}', system, events)")
    assert "not allowed in config.xml" not in node6.query_and_get_error("SELECT * FROM remoteSecure('example01-{01..02}-{1|2}', system, events)")
    assert "not allowed" in node6.query_and_get_error("SELECT * FROM remoteSecure('example01-01-1,example01-03-1', system, events)")
    assert "not allowed" in node6.query_and_get_error("SELECT * FROM remote('example01-01-{1|3}', system, events)")
    assert "not allowed" in node6.query_and_get_error("SELECT * FROM remoteSecure('example01-0{1,3}-1', system, metrics)")

def test_redirect(start_cluster):
    hdfs_api = HDFSApi("root")
    hdfs_api.write_data("/simple_storage", "1\t\n")
    assert hdfs_api.read_data("/simple_storage") == "1\t\n"
    node7.query("CREATE TABLE table_test_7_1 (word String) ENGINE=URL('http://hdfs1:50070/webhdfs/v1/simple_storage?op=OPEN&namenoderpcaddress=hdfs1:9000&offset=0', CSV)")
    assert "not allowed" in node7.query_and_get_error("SET max_http_get_redirects=1; SELECT * from table_test_7_1")

def test_HDFS(start_cluster):
    assert "not allowed" in node7.query_and_get_error("CREATE TABLE table_test_7_2 (word String) ENGINE=HDFS('http://hdfs1:50075/webhdfs/v1/simple_storage?op=OPEN&namenoderpcaddress=hdfs1:9000&offset=0', 'CSV')")
    assert "not allowed" in node7.query_and_get_error("SELECT * FROM hdfs('http://hdfs1:50075/webhdfs/v1/simple_storage?op=OPEN&namenoderpcaddress=hdfs1:9000&offset=0', 'TSV', 'word String')")