"""Alembic-Umgebung; die URL kommt aus der Konfiguration (aiw migrate) oder AIW_DATABASE_URL."""

from alembic import context
from sqlalchemy import engine_from_config, pool

from app.core.config import get_settings
from app.models import Base

config = context.config
if not config.get_main_option("sqlalchemy.url"):
    config.set_main_option("sqlalchemy.url", get_settings().database_url.replace("%", "%%"))


def run() -> None:
    engine = engine_from_config(config.get_section(config.config_ini_section, {}), prefix="sqlalchemy.",
                                poolclass=pool.NullPool)
    with engine.connect() as connection:
        context.configure(connection=connection, target_metadata=Base.metadata, compare_type=True)
        with context.begin_transaction():
            context.run_migrations()


run()