from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
from sqlmodel import SQLModel
import os

from app.core.config import settings
from app.models import *  # noqa: F401,F403 - 导入以注册模型到元数据


config = context.config

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

target_metadata = SQLModel.metadata


def run_migrations_offline() -> None:
    url = os.getenv("DATABASE_URL", settings.DATABASE_URL)
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )

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


def run_migrations_online() -> None:
    configuration = config.get_section(config.config_ini_section) or {}
    configuration["sqlalchemy.url"] = os.getenv("DATABASE_URL", settings.DATABASE_URL)
    connectable = engine_from_config(
        configuration,
        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()