# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with 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.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

from iotdb.Session import Session
from .iotdb_container import IoTDBContainer

from numpy.testing import assert_array_equal


def test_simple_query():
    with IoTDBContainer("iotdb:dev") as db:
        db: IoTDBContainer
        session = Session(db.get_container_host_ip(), db.get_exposed_port(6667))
        session.open(False)
        session.execute_non_query_statement("CREATE DATABASE root.device0")

        # Write data
        session.insert_str_record("root.device0", 123, "pressure", "15.0")

        # Read
        session_data_set = session.execute_query_statement("SELECT * FROM root.device0")
        df = session_data_set.todf()

        session.close()

    assert list(df.columns) == ["Time", "root.device0.pressure"]
    assert_array_equal(df.values, [[123.0, 15.0]])


def test_stream_query():
    with IoTDBContainer("iotdb:dev") as db:
        db: IoTDBContainer
        session = Session(
            db.get_container_host_ip(), db.get_exposed_port(6667), fetch_size=1
        )
        session.open(False)
        session.execute_non_query_statement("CREATE DATABASE root.device0")

        # Write data
        session.insert_str_record("root.device0", 123, "pressure", "15.0")
        session.insert_str_record("root.device0", 124, "pressure", "15.0")
        session.insert_str_record("root.device0", 125, "pressure", "15.0")

        # Read
        session_data_set = session.execute_query_statement("SELECT * FROM root.device0")
        index = 0
        while session_data_set.has_next_df():
            df = session_data_set.next_df()
            assert list(df.columns) == ["Time", "root.device0.pressure"]
            assert_array_equal(df.values, [[123.0 + index, 15.0]])
            index += 1
        session.close()
        assert index == 3


def test_stream_query_with_illegal_fetch_size():
    with IoTDBContainer("iotdb:dev") as db:
        db: IoTDBContainer
        session = Session(
            db.get_container_host_ip(), db.get_exposed_port(6667), fetch_size=-1
        )
        session.open(False)
        session.execute_non_query_statement("CREATE DATABASE root.device0")

        # Write data
        session.insert_str_record("root.device0", 123, "pressure", "15.0")
        session.insert_str_record("root.device0", 124, "pressure", "15.0")
        session.insert_str_record("root.device0", 125, "pressure", "15.0")

        # Read
        session_data_set = session.execute_query_statement("SELECT * FROM root.device0")

        while session_data_set.has_next_df():
            df = session_data_set.next_df()
            assert list(df.columns) == ["Time", "root.device0.pressure"]
            assert_array_equal(df.values, [[123.0, 15.0], [124.0, 15.0], [125.0, 15.0]])
        session.close()


def test_non_time_query():
    with IoTDBContainer("iotdb:dev") as db:
        db: IoTDBContainer
        session = Session(db.get_container_host_ip(), db.get_exposed_port(6667))
        session.open(False)
        session.execute_non_query_statement("CREATE DATABASE root.device0")

        # Write data
        session.insert_str_record("root.device0", 123, "pressure", "15.0")

        # Read
        session_data_set = session.execute_query_statement(
            "SHOW TIMESERIES root.device0.*"
        )
        df = session_data_set.todf()

        session.close()

    assert list(df.columns) == [
        "Timeseries",
        "Alias",
        "Database",
        "DataType",
        "Encoding",
        "Compression",
        "Tags",
        "Attributes",
        "Deadband",
        "DeadbandParameters",
        "ViewType",
    ]
    assert_array_equal(
        df.values,
        [
            [
                "root.device0.pressure",
                None,
                "root.device0",
                "DOUBLE",
                "GORILLA",
                "LZ4",
                None,
                None,
                None,
                None,
                "BASE",
            ]
        ],
    )