from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
import asyncio
from sqlalchemy.ext.asyncio import AsyncEngine

# this is the Alembic Config object
config = context.config

# Interpret the config file for Python logging.
if config.config_file_name is not None:
    fileConfig(config.config_file_name)

# Import models and settings
from app.db.base import Base
from app.core.config import settings
from app.models import user, schedule, task, reward, ai_conversation

target_metadata = Base.metadata


def get_url():
    """Получить URL БД"""
    return settings.database_url.replace("+asyncpg", "")


def run_migrations_offline() -> None:
    """Run migrations in 'offline' mode."""
    url = get_url()
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )

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


def do_run_migrations(connection):
    context.configure(connection=connection, target_metadata=target_metadata)

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


async def run_migrations_online() -> None:
    """Run migrations in 'online' mode."""
    configuration = config.get_section(config.config_ini_section)
    configuration["sqlalchemy.url"] = get_url()
    connectable = AsyncEngine(
        engine_from_config(
            configuration,
            prefix="sqlalchemy.",
            poolclass=pool.NullPool,
            future=True,
        )
    )

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

    await connectable.dispose()


if context.is_offline_mode():
    run_migrations_offline()
else:
    asyncio.run(run_migrations_online())