"""Alembic environment (async engine). Migrations are plain SQL executed through `op.execute`."""
from __future__ import annotations

import asyncio
from logging.config import fileConfig

from alembic import context
from sqlalchemy.ext.asyncio import create_async_engine

from aiatlas.config import settings

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

target_metadata = None


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


def do_run_migrations(connection) -> None:  # type: ignore[no-untyped-def]
    context.configure(connection=connection, target_metadata=target_metadata, transaction_per_migration=True)
    with context.begin_transaction():
        context.run_migrations()


async def run_async_migrations() -> None:
    engine = create_async_engine(settings.database_url, poolclass=None)
    async with engine.connect() as connection:
        await connection.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()