from logging.config import fileConfig

from alembic import context
from sqlalchemy import create_engine, pool

from app import models  # noqa: F401 (모델을 등록해 metadata에 반영)
from app.config import settings
from app.database import Base

config = context.config
# settings.database_url은 비밀번호에 %가 포함될 수 있어 configparser 보간을 거치지 않고 직접 사용한다.
DATABASE_URL = settings.database_url

if config.config_file_name is not None:
    fileConfig(config.config_file_name)

target_metadata = Base.metadata


def run_migrations_offline() -> None:
    context.configure(
        url=DATABASE_URL,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )
    with context.begin_transaction():
        context.run_migrations()


def run_migrations_online() -> None:
    connectable = create_engine(DATABASE_URL, poolclass=pool.NullPool)
    with connectable.connect() as connection:
        context.configure(connection=connection, target_metadata=target_metadata)
        with context.begin_transaction():
            context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()