# Copyright 2023 Canonical Ltd.
#
# Licensed 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.
#
# For further info, check https://github.com/canonical/charmcraft
"""Extension models."""
from typing import Any

from charmcraft.models.basic import ModelConfigDefaults


# Mypy complaining about frozen inheritance.
class ExtensionModel(ModelConfigDefaults, frozen=True):  # type: ignore[misc]
    """Extension model for presentation."""

    name: str
    bases: list[tuple[str, str]]

    def marshal(self) -> dict[str, str | list[str] | dict[str, Any]]:
        """Marshal model into a dictionary for presentation."""
        return {
            "Extension name": self.name,
            "Supported bases": ", ".join(f"'{d} {v}'" for d, v in self.bases),
        }
