import asyncio
from logging.config import fileConfig
from sqlalchemy.ext.asyncio import create_async_engine
from alembic import context
from config import settings

# Import all models so Alembic can see them
from database.models import Base  # noqa: F401 — triggers all ORM imports

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

target_metadata = Base.metadata


def run_migrations_offline() -> None:
    url = settings.database_url
    context.configure(url=url, target_metadata=target_metadata, literal_binds=True)
    with context.begin_transaction():
        context.run_migrations()


def do_run_migrations(connection):
    context.configure(connection=connection, target_metadata=target_metadata)
    with context.begin_transaction():
        context.run_migrations()


async def run_async_migrations() -> None:
    engine = create_async_engine(settings.database_url)
    async with engine.begin() as conn:
        await conn.run_sync(do_run_migrations)
    await engine.dispose()


def run_migrations_online() -> None:
    asyncio.run(run_async_migrations())


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