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# 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
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# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
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from __future__ import annotations

from typing import NamedTuple

from marshmallow import Schema, fields
from marshmallow_sqlalchemy import SQLAlchemySchema, auto_field

from airflow.models.dagwarning import DagWarning


class DagWarningSchema(SQLAlchemySchema):
    """Import error schema"""

    class Meta:
        """Meta"""

        model = DagWarning

    dag_id = auto_field(data_key="dag_id", dump_only=True)
    warning_type = auto_field()
    message = auto_field()
    timestamp = auto_field(format="iso")


class DagWarningCollection(NamedTuple):
    """List of dag warnings with metadata"""

    dag_warnings: list[DagWarning]
    total_entries: int


class DagWarningCollectionSchema(Schema):
    """Import error collection schema"""

    dag_warnings = fields.List(fields.Nested(DagWarningSchema))
    total_entries = fields.Int()


dag_warning_schema = DagWarningSchema()
dag_warning_collection_schema = DagWarningCollectionSchema()
