# SPDX-License-Identifier: Apache-2.0.
# Copyright (c) 2024 - 2025 Waldiez and contributors.
# pylint: disable=no-member, invalid-name
# pylint: disable=unused-import,unused-wildcard-import,wildcard-import

"""Alembic environment configuration."""

from logging.config import fileConfig

from alembic import context
from alembic.config import Config
from sqlalchemy import engine_from_config, pool

# pylint: disable=import-error
from waldiez_runner.config.settings_manager import SettingsManager
from waldiez_runner.models import *  # noqa
from waldiez_runner.models.common import Base

# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config: Config = context.config

# Interpret the config file for Python logging.
# This line sets up loggers basically.
if config.config_file_name is not None:
    fileConfig(config.config_file_name)

# add your model's MetaData object here
# for 'autogenerate' support

target_metadata = Base.metadata


def get_url() -> str:
    """Get the database URL.

    Returns
    -------
    str
        The database URL.
    """
    settings = SettingsManager.load_settings()
    database_url = settings.get_sync_database_url()
    return database_url


def run_migrations_offline() -> None:
    """Run migrations in 'offline' mode.

    This configures the context with just a URL
    and not an Engine, though an Engine is acceptable
    here as well.  By skipping the Engine creation
    we don't even need a DBAPI to be available.

    Calls to context.execute() here emit the given string to the
    script output.

    """
    url = get_url()
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        compare_type=True,
    )

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


def run_migrations_online() -> None:
    """Run migrations in 'online' mode.

    In this scenario we need to create an Engine
    and associate a connection with the context.

    """
    configuration = config.get_section(config.config_ini_section, {})
    configuration["sqlalchemy.url"] = get_url()
    connectable = engine_from_config(
        configuration,
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )

    with connectable.connect() as connection:
        context.configure(
            connection=connection,
            target_metadata=target_metadata,
            compare_type=True,
        )

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


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