"""Root noxfile for orchestrating backend and frontend tasks.

Run with `nox -s <session>` from the project root.
"""

import os

import nox
from nox_poetry import Session


python_versions = ["3.13"]


@nox.session(name="pre-commit", python=python_versions[0])
def precommit(session: Session) -> None:
    """Lint using pre-commit for the whole project.

    Args:
        session: The Nox session object.
    """
    args = session.posargs or [
        "run",
        "--all-files",
        "--hook-stage=manual",
        "--show-diff-on-failure",
    ]
    session.install(
        "black",
        "darglint",
        "flake8",
        "flake8-bandit",
        "flake8-bugbear",
        "flake8-docstrings",
        "flake8-rst-docstrings",
        "isort",
        "pep8-naming",
        "pre-commit",
        "pre-commit-hooks",
        "pyupgrade",
    )
    session.run("pre-commit", *args)
    # Run frontend lint using yarn lint
    os.chdir("frontend")
    session.run("yarn", "lint", external=True)


backend_sessions = [
    "safety",
    "mypy",
    "tests",
    "coverage",
    "typeguard",
    "xdoctest",
    "docs-build",
    "docs",
]

frontend_sessions = [
    "jest",
    "typecheck",
    "coverage",
    "audit",
    "storybook",
]


def _delegate(session: nox.Session, subdir: str, session_name: str) -> None:  # type: ignore
    """Delegate session execution to a subdirectory noxfile.

    Args:
        session: The Nox session object.
        subdir: Subdirectory containing the noxfile.
        session_name: Name of the session to run.
    """
    session.run(
        "nox",
        "-f",
        f"{subdir}/noxfile.py",
        "-s",
        session_name,
        *session.posargs,
        external=True,
    )


for name in backend_sessions:
    func_name = name.replace("-", "_")
    exec(
        f'''
@nox.session(name={name!r})
def {func_name}_delegator(session: nox.Session) -> None:
    """Delegates to backend/{name} session.

    Args:
        session: The Nox session object.
    """
    _delegate(session, 'backend', {name!r})
'''
    )

for name in frontend_sessions:
    func_name = name.replace("-", "_")
    exec(
        f'''
@nox.session(name={name!r})
def {func_name}_delegator(session: nox.Session) -> None:
    """Delegates to frontend/{name} session.

    Args:
        session: The Nox session object.
    """
    _delegate(session, 'frontend', {name!r})
'''
    )