"""Database connection and session management

The project uses PostgreSQL (Supabase) and stores all tables in the
`football` schema.
"""

from sqlalchemy import create_engine, MetaData
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from app.core.config import settings

engine = create_engine(
    settings.database_url,
    pool_pre_ping=True,
    pool_size=10,
    max_overflow=20,
)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base(metadata=MetaData(schema="football"))


def get_db():
    """Dependency for getting database session"""
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()