from logging.config import fileConfig

from alembic import context
from sqlalchemy import engine_from_config, pool

from app.config import get_settings
from app.models.poo import PooRecord  # noqa: F401
from app.poo_db import PooBase

config = context.config

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

settings = get_settings()
configured_url = config.get_main_option("sqlalchemy.url")
if not configured_url or configured_url == "sqlite:///./data/pooRecorder.db":
    config.set_main_option("sqlalchemy.url", settings.poo_database_url)

target_metadata = PooBase.metadata


def run_migrations_offline() -> None:
    url = config.get_main_option("sqlalchemy.url")
    context.configure(url=url, target_metadata=target_metadata, literal_binds=True)

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


def run_migrations_online() -> None:
    connectable = engine_from_config(
        config.get_section(config.config_ini_section, {}),
        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()