import asyncio
import os
from logging.config import fileConfig
from sqlalchemy.ext.asyncio import create_async_engine
from sqlalchemy import pool
from alembic import context

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

from app.database import Base
from app.models import user, school, license, sms, billing, ticket, audit, announcement, email_log, report, demo_request  # noqa
target_metadata = Base.metadata

DATABASE_URL = os.getenv("DATABASE_URL", "postgresql+asyncpg://postgres:postgres@db:5432/taptrack_hub")

def run_migrations_offline():
    context.configure(url=DATABASE_URL.replace("+asyncpg", ""), target_metadata=target_metadata, literal_binds=True)
    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_async_migrations():
    connectable = create_async_engine(DATABASE_URL, poolclass=pool.NullPool)
    async with connectable.connect() as connection:
        await connection.run_sync(do_run_migrations)
    await connectable.dispose()

def run_migrations_online():
    asyncio.run(run_async_migrations())

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