"""Alembic environment configuration."""

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

# Add parent directory to path
sys.path.append(os.path.dirname(os.path.dirname(__file__)))

from app.db.base import Base
from app.config import settings

# Import all models so Alembic can detect them for auto-generating migrations
from app.models.user import User  # noqa
from app.models.settings import Settings  # noqa
from app.models.audit_log import AuditLog  # noqa
from app.models.api_key import APIKey  # noqa
from app.models.notification import Notification  # noqa
from app.models.session import UserSession  # noqa
from app.models.webhook import Webhook, WebhookDelivery  # noqa
from app.models.file import StoredFile  # noqa

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

# Set database URL from settings
config.set_main_option("sqlalchemy.url", settings.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 = config.get_main_option("sqlalchemy.url")
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
        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.

    """
    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,
            compare_type=True,
        )

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


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