"""Pytest configuration and shared fixtures for Sneaky Klaus tests."""

import pytest

from src.app import create_app
from src.app import db as _db
from src.models import Admin


@pytest.fixture(scope="session")
def app():
    """Create and configure a test Flask application instance.

    This fixture is scoped to the session so the app is created once
    for all tests.

    Yields:
        Flask application configured for testing.
    """
    app = create_app("testing")
    yield app


@pytest.fixture(scope="function")
def db(app):
    """Create a clean database for each test.

    This fixture creates all tables before each test and drops them
    after each test to ensure isolation.

    Args:
        app: Flask application instance from app fixture.

    Yields:
        SQLAlchemy database instance.
    """
    with app.app_context():
        _db.create_all()
        yield _db
        _db.session.remove()
        _db.drop_all()


@pytest.fixture(scope="function")
def client(app, db):  # noqa: ARG001
    """Create a test client for the Flask application.

    Args:
        app: Flask application instance.
        db: Database instance (ensures db is set up first).

    Yields:
        Flask test client.
    """
    with app.test_client() as client:
        yield client


@pytest.fixture
def admin(db):
    """Create an admin user for testing.

    Args:
        db: Database instance.

    Returns:
        Admin model instance.
    """
    from src.app import bcrypt

    admin = Admin(
        email="admin@example.com",
        password_hash=bcrypt.generate_password_hash("testpassword123").decode("utf-8"),
    )
    db.session.add(admin)
    db.session.commit()
    return admin