from logging.config import fileConfig

from alembic import context
from app.core.config import get_settings

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

config = context.config
sync_url = get_settings().mysql_dsn.replace("mysql+asyncmy://", "mysql+pymysql://")
config.set_main_option("sqlalchemy.url", sync_url.replace("%", "%%"))
target_metadata = None


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


def run_migrations_online() -> None:
    from sqlalchemy import engine_from_config, pool

    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()