"""
Seed script — creates the initial admin user if it does not already exist.

Usage:
    python -m app.seed
"""

from app.auth import hash_password
from app.database import SessionLocal
from app.models.user import User


def seed_admin() -> None:
    """Create the default admin user when it is missing."""
    db = SessionLocal()
    try:
        existing = db.query(User).filter(User.username == "admin").first()
        if existing:
            print("Admin user already exists — skipping.")
            return

        admin = User(
            username="admin",
            hashed_password=hash_password("admin123"),
            role="admin",
        )
        db.add(admin)
        db.commit()
        print("Admin user created successfully.")
    finally:
        db.close()


if __name__ == "__main__":
    seed_admin()