"""Pytest configuration and fixtures."""
from collections.abc import Generator

import pytest
from fastapi.testclient import TestClient
from sqlalchemy import create_engine
from sqlalchemy.orm import Session, sessionmaker

from app.core.security import get_password_hash
from app.db.session import Base, get_db
from app.main import app
from app.models.booking import Booking
from app.models.space import Space
from app.models.user import User

# Test database
SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db"
engine = create_engine(
    SQLALCHEMY_DATABASE_URL,
    connect_args={"check_same_thread": False}
)
TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


@pytest.fixture
def db() -> Generator[Session, None, None]:
    """Create test database."""
    Base.metadata.create_all(bind=engine)
    db = TestingSessionLocal()
    try:
        yield db
    finally:
        db.close()
        Base.metadata.drop_all(bind=engine)


@pytest.fixture
def db_session(db: Session) -> Session:
    """Alias for db fixture."""
    return db


@pytest.fixture
def client(db: Session) -> Generator[TestClient, None, None]:
    """Create test client."""
    def override_get_db() -> Generator[Session, None, None]:
        try:
            yield db
        finally:
            pass

    app.dependency_overrides[get_db] = override_get_db
    with TestClient(app) as test_client:
        yield test_client
    app.dependency_overrides.clear()


@pytest.fixture
def test_user(db: Session) -> User:
    """Create test user."""
    user = User(
        email="test@example.com",
        full_name="Test User",
        hashed_password=get_password_hash("testpassword"),
        role="user",
        is_active=True,
    )
    db.add(user)
    db.commit()
    db.refresh(user)
    return user


@pytest.fixture
def test_admin(db: Session) -> User:
    """Create test admin user."""
    admin = User(
        email="admin@example.com",
        full_name="Admin User",
        hashed_password=get_password_hash("adminpassword"),
        role="admin",
        is_active=True,
    )
    db.add(admin)
    db.commit()
    db.refresh(admin)
    return admin


def get_user_token() -> str:
    """Get JWT token for test user."""
    from app.core.security import create_access_token

    return create_access_token(subject=1)


def get_admin_token() -> str:
    """Get JWT token for test admin."""
    from app.core.security import create_access_token

    return create_access_token(subject=2)


@pytest.fixture
def user_token(test_user: User) -> str:
    """Get token for test user."""
    from app.core.security import create_access_token

    return create_access_token(subject=int(test_user.id))


@pytest.fixture
def admin_token(test_admin: User) -> str:
    """Get token for test admin."""
    from app.core.security import create_access_token

    return create_access_token(subject=int(test_admin.id))


@pytest.fixture
def auth_headers(user_token: str) -> dict[str, str]:
    """Get authorization headers for test user."""
    return {"Authorization": f"Bearer {user_token}"}


@pytest.fixture
def admin_headers(admin_token: str) -> dict[str, str]:
    """Get authorization headers for test admin."""
    return {"Authorization": f"Bearer {admin_token}"}


@pytest.fixture
def test_space(db: Session) -> Space:
    """Create test space."""
    space = Space(
        name="Test Conference Room",
        type="sala",
        capacity=10,
        description="Test room for bookings",
        is_active=True,
    )
    db.add(space)
    db.commit()
    db.refresh(space)
    return space


@pytest.fixture
def test_booking(db: Session, test_user: User, test_space: Space) -> Booking:
    """Create test booking."""
    from datetime import datetime

    booking = Booking(
        user_id=test_user.id,
        space_id=test_space.id,
        title="Test Meeting",
        description="Confidential meeting details",
        start_datetime=datetime(2024, 3, 15, 10, 0, 0),
        end_datetime=datetime(2024, 3, 15, 12, 0, 0),
        status="approved",
    )
    db.add(booking)
    db.commit()
    db.refresh(booking)
    return booking