from logging.config import fileConfig

from alembic import context
from sqlalchemy import pool
from sqlalchemy.ext.asyncio import async_engine_from_config

from ai_platform.infrastructure.config.settings import Settings
from ai_platform.infrastructure.persistence import models  # noqa: F401
from ai_platform.infrastructure.persistence.database import Base

config = context.config
if config.config_file_name:
    fileConfig(config.config_file_name)
target_metadata = Base.metadata


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


def run_migrations(connection) -> None:
    context.configure(connection=connection, target_metadata=target_metadata)
    with context.begin_transaction():
        context.run_migrations()


async def run_migrations_online() -> None:
    section = config.get_section(config.config_ini_section) or {}
    section["sqlalchemy.url"] = Settings.load().database_url
    engine = async_engine_from_config(section, prefix="sqlalchemy.", poolclass=pool.NullPool)
    async with engine.connect() as connection:
        await connection.run_sync(run_migrations)
    await engine.dispose()


if context.is_offline_mode():
    run_migrations_offline()
else:
    import asyncio

    asyncio.run(run_migrations_online())