"""Database configuration and initialization."""

from flask_migrate import Migrate
from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()
migrate = Migrate()


def init_db(app):
    """Initialize database with Flask app."""
    db.init_app(app)
    migrate.init_app(app, db)

    # Import models here to ensure they are registered with SQLAlchemy
    from app.models import user, user_oauth  # noqa: F401

    return db