import logging
import sys
from pathlib import Path

# Add the project root to the Python path
sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))

from sqlalchemy import create_engine

from app.core.config import settings
from app.core.database import SessionLocal
from app.core.security import get_password_hash
from app.models.user import User, UserRole

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def init_db():
    """Initialize the database with required tables and initial admin user."""
    try:
        # Create database directory if it doesn't exist
        settings.DB_DIR.mkdir(parents=True, exist_ok=True)

        # Create database engine
        engine = create_engine(settings.SQLALCHEMY_DATABASE_URL)

        # Create an admin user
        db = SessionLocal()

        # Check if admin user already exists
        existing_admin = db.query(User).filter(User.email == settings.FIRST_SUPERUSER_EMAIL).first()

        if not existing_admin:
            logger.info("Creating initial admin user...")
            admin_user = User(
                email=settings.FIRST_SUPERUSER_EMAIL,
                hashed_password=get_password_hash(settings.FIRST_SUPERUSER_PASSWORD),
                is_active=True,
                role=UserRole.ADMIN,
                first_name="Admin",
                last_name="User",
                email_verified=True
            )
            db.add(admin_user)
            db.commit()
            logger.info(f"Admin user created with email: {settings.FIRST_SUPERUSER_EMAIL}")
        else:
            logger.info("Admin user already exists")

        db.close()
        logger.info("Database initialization completed successfully")

    except Exception as e:
        logger.error(f"Error initializing database: {e}")
        raise

if __name__ == "__main__":
    logger.info("Creating initial database tables and admin user")
    init_db()
    logger.info("Initial data created")