#  Copyright 2025 Collate
#  Licensed under the Collate Community License, Version 1.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#  https://github.com/open-metadata/OpenMetadata/blob/main/ingestion/LICENSE
#  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.
"""
Test athena source
"""

import unittest
from unittest.mock import patch
from uuid import UUID

from pydantic import AnyUrl
from sqlalchemy.engine.reflection import Inspector

from metadata.generated.schema.api.data.createDatabase import CreateDatabaseRequest
from metadata.generated.schema.entity.data.container import (
    Container,
    ContainerDataModel,
    FileFormat,
)
from metadata.generated.schema.entity.data.database import Database
from metadata.generated.schema.entity.data.databaseSchema import DatabaseSchema
from metadata.generated.schema.entity.data.table import (
    Column,
    ColumnName,
    Constraint,
    DataType,
    Table,
    TableType,
)
from metadata.generated.schema.entity.services.databaseService import (
    DatabaseConnection,
    DatabaseService,
    DatabaseServiceType,
)
from metadata.generated.schema.entity.services.storageService import StorageServiceType
from metadata.generated.schema.metadataIngestion.workflow import (
    OpenMetadataWorkflowConfig,
)
from metadata.generated.schema.type.basic import (
    EntityName,
    FullyQualifiedEntityName,
    Href,
    Markdown,
    SourceUrl,
    Timestamp,
    Uuid,
)
from metadata.generated.schema.type.entityLineage import ColumnLineage
from metadata.generated.schema.type.entityReference import EntityReference
from metadata.ingestion.api.models import Either
from metadata.ingestion.source.database.athena.metadata import AthenaSource
from metadata.ingestion.source.database.common_db_source import TableNameAndType

EXPECTED_DATABASE_NAMES = ["mydatabase"]
MOCK_DATABASE_SCHEMA = DatabaseSchema(
    id="2aaa012e-099a-11ed-861d-0242ac120056",
    name="sample_instance",
    fullyQualifiedName="sample_athena_schema.sample_db.sample_instance",
    displayName="default",
    description="",
    database=EntityReference(
        id="2aaa012e-099a-11ed-861d-0242ac120002",
        type="database",
    ),
    service=EntityReference(
        id="85811038-099a-11ed-861d-0242ac120002",
        type="databaseService",
    ),
)
MOCK_DATABASE_SERVICE = DatabaseService(
    id="85811038-099a-11ed-861d-0242ac120002",
    name="sample_athena_service",
    connection=DatabaseConnection(),
    serviceType=DatabaseServiceType.Glue,
)
MOCK_DATABASE = Database(
    id="2aaa012e-099a-11ed-861d-0242ac120002",
    name="sample_db",
    fullyQualifiedName="test_athena.sample_db",
    displayName="sample_db",
    description="",
    service=EntityReference(
        id="85811038-099a-11ed-861d-0242ac120002",
        type="databaseService",
    ),
)
MOCK_TABLE_NAME = "sample_table"
EXPECTED_DATABASES = [
    Either(
        right=CreateDatabaseRequest(
            name=EntityName("sample_db"),
            service=FullyQualifiedEntityName("sample_athena_service"),
            default=False,
        ),
    )
]
EXPECTED_QUERY_TABLE_NAMES_TYPES = [
    TableNameAndType(name="sample_table", type_=TableType.External)
]
MOCK_LOCATION_ENTITY = [
    Container(
        id=Uuid(UUID("9c489754-bb60-435b-b2a5-0e43100cf950")),
        name=EntityName("dbt-testing/mayur/customers.csv"),
        fullyQualifiedName=FullyQualifiedEntityName(
            's3_local.awsdatalake-testing."dbt-testing/mayur/customers.csv"'
        ),
        updatedAt=Timestamp(1717070902713),
        updatedBy="admin",
        href=Href(
            root=AnyUrl(
                "http://localhost:8585/api/v1/containers/9c489754-bb60-435b-b2a5-0e43100cf950",
            )
        ),
        service=EntityReference(
            id=Uuid(UUID("dd91cca3-cc54-4776-9efa-48f845cdfb92")),
            type="storageService",
            name="s3_local",
            fullyQualifiedName="s3_local",
            description=Markdown(""),
            displayName="s3_local",
            deleted=False,
            href=Href(
                root=AnyUrl(
                    "http://localhost:8585/api/v1/services/storageServices/dd91cca3-cc54-4776-9efa-48f845cdfb92",
                )
            ),
        ),
        dataModel=ContainerDataModel(
            isPartitioned=False,
            columns=[
                Column(
                    name=ColumnName("CUSTOMERID"),
                    displayName="CUSTOMERID",
                    dataType=DataType.INT,
                    dataTypeDisplay="INT",
                    fullyQualifiedName=FullyQualifiedEntityName(
                        's3_local.awsdatalake-testing."dbt-testing/mayur/customers.csv".CUSTOMERID'
                    ),
                ),
            ],
        ),
        prefix="/dbt-testing/mayur/customers.csv",
        numberOfObjects=2103.0,
        size=652260394.0,
        fileFormats=[FileFormat.csv],
        serviceType=StorageServiceType.S3,
        deleted=False,
        sourceUrl=SourceUrl(
            "https://s3.console.aws.amazon.com/s3/buckets/awsdatalake-testing?region=us-east-2&prefix=dbt-testing/mayur/customers.csv/&showversions=false"
        ),
        fullPath="s3://awsdatalake-testing/dbt-testing/mayur/customers.csv",
        sourceHash="22b1c2f2e7feeaa8f37c6649e01f027d",
    )
]

MOCK_TABLE_ENTITY = [
    Table(
        id=Uuid(UUID("2c040cf8-432d-4597-9517-4794d6142da3")),
        name=EntityName("demo_data_ext_tbl3"),
        fullyQualifiedName=FullyQualifiedEntityName(
            "local_athena.demo.default.demo_data_ext_tbl3"
        ),
        updatedAt=Timestamp(1717071974350),
        updatedBy="admin",
        href=Href(
            root=AnyUrl(
                "http://localhost:8585/api/v1/tables/2c040cf8-432d-4597-9517-4794d6142da3",
            )
        ),
        tableType=TableType.Regular,
        columns=[
            Column(
                name=ColumnName("CUSTOMERID"),
                dataType=DataType.INT,
                dataLength=1,
                dataTypeDisplay="int",
                fullyQualifiedName=FullyQualifiedEntityName(
                    "local_athena.demo.default.demo_data_ext_tbl3.CUSTOMERID"
                ),
                constraint=Constraint.NULL,
            ),
        ],
        databaseSchema=EntityReference(
            id=Uuid(UUID("b03b0229-8a9f-497a-a675-74cb24a9be74")),
            type="databaseSchema",
            name="default",
            fullyQualifiedName="local_athena.demo.default",
            displayName="default",
            deleted=False,
            href=Href(
                root=AnyUrl(
                    "http://localhost:8585/api/v1/databaseSchemas/b03b0229-8a9f-497a-a675-74cb24a9be74",
                )
            ),
        ),
        database=EntityReference(
            id=Uuid(UUID("f054c55c-34bf-4c5f-addd-5cc26c7c832a")),
            type="database",
            name="demo",
            fullyQualifiedName="local_athena.demo",
            displayName="demo",
            deleted=False,
            href=Href(
                root=AnyUrl(
                    "http://localhost:8585/api/v1/databases/f054c55c-34bf-4c5f-addd-5cc26c7c832a",
                )
            ),
        ),
        service=EntityReference(
            id=Uuid(UUID("5e98afd3-7257-4c35-a560-f4c25b0f4b97")),
            type="databaseService",
            name="local_athena",
            fullyQualifiedName="local_athena",
            displayName="local_athena",
            deleted=False,
            href=Href(
                root=AnyUrl(
                    "http://localhost:8585/api/v1/services/databaseServices/5e98afd3-7257-4c35-a560-f4c25b0f4b97",
                )
            ),
        ),
        serviceType=DatabaseServiceType.Athena,
        deleted=False,
        sourceHash="824e80b1c79b0c4ae0acd99d2338e149",
    )
]
EXPECTED_COLUMN_LINEAGE = [
    ColumnLineage(
        fromColumns=[
            FullyQualifiedEntityName(
                's3_local.awsdatalake-testing."dbt-testing/mayur/customers.csv".CUSTOMERID'
            )
        ],
        toColumn=FullyQualifiedEntityName(
            "local_athena.demo.default.demo_data_ext_tbl3.CUSTOMERID"
        ),
    )
]

mock_athena_config = {
    "source": {
        "type": "Athena",
        "serviceName": "test_athena",
        "serviceConnection": {
            "config": {
                "type": "Athena",
                "databaseName": "mydatabase",
                "awsConfig": {
                    "awsAccessKeyId": "dummy",
                    "awsSecretAccessKey": "dummy",
                    "awsRegion": "us-east-2",
                },
                "s3StagingDir": "https://s3-directory-for-datasource.com",
                "workgroup": "workgroup name",
            }
        },
        "sourceConfig": {"config": {"type": "DatabaseMetadata"}},
    },
    "sink": {"type": "metadata-rest", "config": {}},
    "workflowConfig": {
        "openMetadataServerConfig": {
            "hostPort": "http://localhost:8585/api",
            "authProvider": "openmetadata",
            "securityConfig": {"jwtToken": "athena"},
        }
    },
}


class TestAthenaService(unittest.TestCase):
    @patch(
        "metadata.ingestion.source.database.database_service.DatabaseServiceSource.test_connection"
    )
    def __init__(self, methodName, test_connection) -> None:
        super().__init__(methodName)
        test_connection.return_value = False
        self.config = OpenMetadataWorkflowConfig.model_validate(mock_athena_config)
        self.athena_source = AthenaSource.create(
            mock_athena_config["source"],
            self.config.workflowConfig.openMetadataServerConfig,
        )
        self.athena_source.context.get().__dict__[
            "database_schema"
        ] = MOCK_DATABASE_SCHEMA.name.root
        self.athena_source.context.get().__dict__[
            "database_service"
        ] = MOCK_DATABASE_SERVICE.name.root
        self.athena_source.context.get().__dict__["database"] = MOCK_DATABASE.name.root

    def test_get_database_name(self):
        assert list(self.athena_source.get_database_names()) == EXPECTED_DATABASE_NAMES

    def test_query_table_names_and_types(self):
        with patch.object(Inspector, "get_table_names", return_value=[MOCK_TABLE_NAME]):
            assert (
                self.athena_source.query_table_names_and_types(
                    MOCK_DATABASE_SCHEMA.name.root
                )
                == EXPECTED_QUERY_TABLE_NAMES_TYPES
            )

    def test_yield_database(self):
        assert (
            list(
                self.athena_source.yield_database(database_name=MOCK_DATABASE.name.root)
            )
            == EXPECTED_DATABASES
        )

    def test_column_lineage(self):
        columns_list = [column.name.root for column in MOCK_TABLE_ENTITY[0].columns]
        column_lineage = self.athena_source._get_column_lineage(
            MOCK_LOCATION_ENTITY[0].dataModel, MOCK_TABLE_ENTITY[0], columns_list
        )
        assert column_lineage == EXPECTED_COLUMN_LINEAGE