"""Nox sessions for frontend tasks.

Run with `nox -s <session>` from the frontend directory.
"""

import os
from pathlib import Path

import nox


nox.options.sessions = (
    "precommit",
    "coverage",
    "audit",
    "storybook",
    "jest",
)


@nox.session(name="pre-commit")
def precommit(session: nox.Session) -> None:
    """Run pre-commit checks by delegating to the root noxfile.

    Args:
        session: The Nox session object.
    """
    session.run("nox", "-f", "../noxfile.py", "-s", "pre-commit", external=True)


@nox.session(name="typecheck")
def typecheck(session: nox.Session) -> None:
    """Run TypeScript type checks.

    Args:
        session: The Nox session object.
    """
    frontend_dir = Path(__file__).parent
    os.chdir(frontend_dir)
    session.run("yarn", "tsc", "--noEmit", external=True)


@nox.session(name="coverage")
def coverage(session: nox.Session) -> None:
    """Run Jest with coverage reporting.

    Args:
        session: The Nox session object.
    """
    frontend_dir = Path(__file__).parent
    os.chdir(frontend_dir)
    session.run("yarn", "jest", "--coverage", external=True)


@nox.session(name="audit")
def audit(session: nox.Session) -> None:
    """Run yarn audit for security checks.

    Args:
        session: The Nox session object.
    """
    frontend_dir = Path(__file__).parent
    os.chdir(frontend_dir)
    session.run("yarn", "audit", external=True)


@nox.session(name="storybook")
def storybook(session: nox.Session) -> None:
    """Run Storybook for frontend documentation.

    Args:
        session: The Nox session object.
    """
    frontend_dir = Path(__file__).parent
    os.chdir(frontend_dir)
    session.run("yarn", "storybook", external=True)


@nox.session(name="jest")
def jest(session: nox.Session) -> None:
    """Run frontend Jest tests using yarn.

    Args:
        session: The Nox session object.
    """
    frontend_dir = Path(__file__).parent
    os.chdir(frontend_dir)
    session.run("yarn", "run", "jest", external=True)