# Copyright 2025 qBraid
#
# 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.

"""
Module providing unified conversions interface between supported
quantum program types.

.. currentmodule:: qbraid.transpiler

Classes
--------

.. autosummary::
   :toctree: ../stubs/

   Conversion
   ConversionGraph
   ConversionScheme

Functions
-----------

.. autosummary::
   :toctree: ../stubs/

   transpile
   translate
   requires_extras

Exceptions
-----------

.. autosummary::
   :toctree: ../stubs/

   ProgramConversionError
   NodeNotFoundError
   ConversionPathNotFoundError

"""
from .annotations import requires_extras
from .converter import translate, transpile
from .edge import Conversion
from .exceptions import ConversionPathNotFoundError, NodeNotFoundError, ProgramConversionError
from .graph import ConversionGraph
from .scheme import ConversionScheme

__all__ = [
    "requires_extras",
    "transpile",
    "translate",
    "Conversion",
    "ConversionGraph",
    "ConversionScheme",
    "ProgramConversionError",
    "NodeNotFoundError",
    "ConversionPathNotFoundError",
]

_lazy_mods = ["conversions"]


def __getattr__(name):
    if name in _lazy_mods:
        import importlib  # pylint: disable=import-outside-toplevel

        module = importlib.import_module(f".{name}", __name__)
        globals()[name] = module
        return module
    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")


def __dir__():
    return sorted(__all__ + _lazy_mods)
