from logging.config import fileConfig

from alembic import context
from sqlalchemy import engine_from_config, pool

from src.config import settings
from src.domain import *  # noqa
from src.domain import Base

config = context.config

if config.config_file_name:
    fileConfig(config.config_file_name)

config.set_main_option('sqlalchemy.url', f'{settings.db.URL}?async_fallback=True')
target_metadata = Base.metadata


def run_migrations_offline() -> None:
    context.configure(
        url=config.get_main_option('sqlalchemy.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 = engine_from_config(
        config.get_section(config.config_ini_section, {}),
        prefix='sqlalchemy.',
        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()