from logging.config import fileConfig

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

from app.core.config import settings
from app.db.base import Base
from app.models.audit_event import AuditEventRecord
from app.models.price_rule import PriceRuleRecord
from app.models.pricing_category import PricingCategoryRecord
from app.models.scheme import SchemeRecord
from app.models.scheme_group import SchemeGroupRecord
from app.models.scheme_seat import SchemeSeatRecord
from app.models.scheme_sector import SchemeSectorRecord
from app.models.scheme_version import SchemeVersionRecord
from app.models.upload import UploadRecord

config = context.config

config.set_main_option("sqlalchemy.url", settings.database_url)

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

target_metadata = Base.metadata


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

    with context.begin_transaction():
        context.run_migrations()


def do_run_migrations(connection: Connection) -> None:
    context.configure(
        connection=connection,
        target_metadata=target_metadata,
        compare_type=True,
    )

    with context.begin_transaction():
        context.run_migrations()


async def run_migrations_online() -> None:
    connectable = async_engine_from_config(
        config.get_section(config.config_ini_section, {}),
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )

    async with connectable.connect() as connection:
        await connection.run_sync(do_run_migrations)

    await connectable.dispose()


def main() -> None:
    if context.is_offline_mode():
        run_migrations_offline()
    else:
        import asyncio
        asyncio.run(run_migrations_online())


main()