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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# limitations under the License.
import os
from typing import Optional

import pytest

import pyignite_dbapi
from tests.util import server_addresses_basic, server_addresses_ssl_basic, server_addresses_ssl_client_auth, \
    get_test_dir, create_and_populate_test_table, check_row


def create_ssl_param(use_ssl : bool, ssl_key : Optional[str], ssl_cert : Optional[str], ssl_ca : Optional[str]):
    ssl_dir_path = os.path.join(get_test_dir(), 'ssl')

    return {
        'use_ssl': use_ssl,
        'ssl_keyfile': os.path.join(ssl_dir_path, ssl_key) if ssl_key else '',
        'ssl_certfile': os.path.join(ssl_dir_path, ssl_cert) if ssl_cert else '',
        'ssl_ca_certfile': os.path.join(ssl_dir_path, ssl_ca) if ssl_ca else '',
    }


def test_connection_success():
    ssl_cfg = create_ssl_param(True, 'client.pem', 'client.pem', 'ca.pem')
    conn = pyignite_dbapi.connect(address=server_addresses_ssl_basic, timeout=1, **ssl_cfg)
    assert conn is not None
    conn.close()


def test_connection_unknown():
    ssl_cfg = create_ssl_param(True, 'client_unknown.pem', 'client_unknown.pem', 'ca.pem')
    conn = pyignite_dbapi.connect(address=server_addresses_ssl_basic, timeout=1, **ssl_cfg)
    assert conn is not None
    conn.close()


def test_connection_unknown_2():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, 'client_unknown.pem', 'client_unknown.pem', 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_client_auth, timeout=1, **ssl_cfg)
    assert err.match('Can not (send|receive) a message')


def test_connection_reject():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(False, 'client.pem', 'client.pem', 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_basic, timeout=1, **ssl_cfg)
    assert err.match('Can not (send|receive) a message')


def test_connection_reject_2():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, 'client.pem', 'client.pem', 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_basic, timeout=1, **ssl_cfg)
    assert err.match('(Can not establish secure connection)|(Error while establishing secure connection)')


def test_connection_no_certs():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, None, None, 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_client_auth, timeout=1, **ssl_cfg)
    assert err.match('Can not (send|receive) a message')


def test_connection_non_existing_ca():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, 'client.pem', 'client.pem', 'non_existing_ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_client_auth, timeout=1, **ssl_cfg)
    assert err.match('Can not set Certificate Authority path for secure connection')


def test_connection_non_existing_key():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, 'non_existing_key.pem', 'client.pem', 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_client_auth, timeout=1, **ssl_cfg)
    assert err.match('Can not set private key file for secure connection')
    assert err.match('(No such file or directory)|(no such file)')


def test_connection_non_existing_cert():
    with pytest.raises(pyignite_dbapi.OperationalError) as err:
        ssl_cfg = create_ssl_param(True, 'client.pem', 'non_existing_key.pem', 'ca.pem')
        pyignite_dbapi.connect(address=server_addresses_ssl_client_auth, timeout=1, **ssl_cfg)
    assert err.match('Can not set client certificate file for secure connection')
    assert err.match('(No such file or directory)|(no such file)')


@pytest.mark.parametrize("address", [server_addresses_ssl_basic, server_addresses_ssl_client_auth])
def test_fetch_table_several_pages(table_name, address, drop_table_cleanup):
    ssl_cfg = create_ssl_param(True, 'client.pem', 'client.pem', 'ca.pem')
    with pyignite_dbapi.connect(address=address, timeout=10, **ssl_cfg) as connection:
        with connection.cursor() as cursor:
            rows_num = 345
            create_and_populate_test_table(cursor, rows_num, table_name, 1000)

            cursor.execute(f"select id, data, fl from {table_name} order by id")

            rows_all = cursor.fetchall()
            assert len(rows_all) == rows_num
            for i in range(rows_num):
                check_row(i, rows_all[i])

            end = cursor.fetchone()
            assert end is None