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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# specific language governing permissions and limitations
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# pylint: disable=import-outside-toplevel, unused-argument, unused-import

import json

from sqlalchemy.orm.session import Session


def test_export(app_context: None, session: Session) -> None:
    """
    Test exporting a dataset.
    """
    from superset.connectors.sqla.models import SqlaTable, SqlMetric, TableColumn
    from superset.datasets.commands.export import ExportDatasetsCommand
    from superset.models.core import Database

    engine = session.get_bind()
    SqlaTable.metadata.create_all(engine)  # pylint: disable=no-member

    database = Database(database_name="my_database", sqlalchemy_uri="sqlite://")
    session.add(database)
    session.flush()

    columns = [
        TableColumn(column_name="ds", is_dttm=1, type="TIMESTAMP"),
        TableColumn(column_name="user_id", type="INTEGER"),
        TableColumn(column_name="revenue", type="INTEGER"),
        TableColumn(column_name="expenses", type="INTEGER"),
        TableColumn(
            column_name="profit",
            type="INTEGER",
            expression="revenue-expenses",
            extra=json.dumps({"certified_by": "User"}),
        ),
    ]
    metrics = [
        SqlMetric(
            metric_name="cnt",
            expression="COUNT(*)",
            extra=json.dumps({"warning_markdown": None}),
        ),
    ]

    sqla_table = SqlaTable(
        table_name="my_table",
        columns=columns,
        metrics=metrics,
        main_dttm_col="ds",
        database=database,
        offset=-8,
        description="This is the description",
        is_featured=1,
        cache_timeout=3600,
        schema="my_schema",
        sql=None,
        params=json.dumps(
            {
                "remote_id": 64,
                "database_name": "examples",
                "import_time": 1606677834,
            }
        ),
        perm=None,
        filter_select_enabled=1,
        fetch_values_predicate="foo IN (1, 2)",
        is_sqllab_view=0,  # no longer used?
        template_params=json.dumps({"answer": "42"}),
        schema_perm=None,
        extra=json.dumps({"warning_markdown": "*WARNING*"}),
    )

    export = list(
        ExportDatasetsCommand._export(sqla_table)  # pylint: disable=protected-access
    )
    assert export == [
        (
            "datasets/my_database/my_table.yaml",
            f"""table_name: my_table
main_dttm_col: ds
description: This is the description
default_endpoint: null
offset: -8
cache_timeout: 3600
schema: my_schema
sql: null
params:
  remote_id: 64
  database_name: examples
  import_time: 1606677834
template_params:
  answer: '42'
filter_select_enabled: 1
fetch_values_predicate: foo IN (1, 2)
extra:
  warning_markdown: '*WARNING*'
uuid: null
metrics:
- metric_name: cnt
  verbose_name: null
  metric_type: null
  expression: COUNT(*)
  description: null
  d3format: null
  extra:
    warning_markdown: null
  warning_text: null
columns:
- column_name: profit
  verbose_name: null
  is_dttm: null
  is_active: null
  type: INTEGER
  groupby: null
  filterable: null
  expression: revenue-expenses
  description: null
  python_date_format: null
  extra:
    certified_by: User
- column_name: ds
  verbose_name: null
  is_dttm: 1
  is_active: null
  type: TIMESTAMP
  groupby: null
  filterable: null
  expression: null
  description: null
  python_date_format: null
  extra: null
- column_name: user_id
  verbose_name: null
  is_dttm: null
  is_active: null
  type: INTEGER
  groupby: null
  filterable: null
  expression: null
  description: null
  python_date_format: null
  extra: null
- column_name: expenses
  verbose_name: null
  is_dttm: null
  is_active: null
  type: INTEGER
  groupby: null
  filterable: null
  expression: null
  description: null
  python_date_format: null
  extra: null
- column_name: revenue
  verbose_name: null
  is_dttm: null
  is_active: null
  type: INTEGER
  groupby: null
  filterable: null
  expression: null
  description: null
  python_date_format: null
  extra: null
version: 1.0.0
database_uuid: {database.uuid}
""",
        ),
        (
            "databases/my_database.yaml",
            f"""database_name: my_database
sqlalchemy_uri: sqlite://
cache_timeout: null
expose_in_sqllab: true
allow_run_async: false
allow_ctas: false
allow_cvas: false
allow_file_upload: false
extra:
  metadata_params: {{}}
  engine_params: {{}}
  metadata_cache_timeout: {{}}
  schemas_allowed_for_file_upload: []
uuid: {database.uuid}
version: 1.0.0
""",
        ),
    ]