"""Seed demo user for authentication testing."""

import os
from sqlalchemy.orm import Session
from app.database import SessionLocal, Base, engine
from app.models import User
from app.auth import hash_password

# Create tables
Base.metadata.create_all(bind=engine)

# Get demo credentials from environment
DEMO_EMAIL = os.getenv("DEMO_EMAIL", "demo@example.com")
DEMO_PASSWORD = os.getenv("DEMO_PASSWORD", "demo123")
DEMO_USERNAME = "demo"


def seed_demo_user():
    """Create demo user idempotently."""
    db: Session = SessionLocal()
    try:
        # Check if demo user already exists
        existing_user = db.query(User).filter(User.username == DEMO_USERNAME).first()
        
        if existing_user:
            # Update password if it exists
            existing_user.hashed_password = hash_password(DEMO_PASSWORD)
            db.commit()
            print(f"Updated demo user: {DEMO_USERNAME}")
        else:
            # Create new demo user
            demo_user = User(
                username=DEMO_USERNAME,
                email=DEMO_EMAIL,
                hashed_password=hash_password(DEMO_PASSWORD)
            )
            db.add(demo_user)
            db.commit()
            print(f"Created demo user: {DEMO_USERNAME}")
    finally:
        db.close()


if __name__ == "__main__":
    seed_demo_user()