"""Alembic environment.

Model modules are imported here so `Base.metadata` is populated before Alembic
compares against it. New model modules go in `src/ypms/models.py`, not here.
"""

from __future__ import annotations

from logging.config import fileConfig

from alembic import context
from sqlalchemy import engine_from_config, pool

from ypms.db import Base
from ypms.settings import get_settings

# ---- Populate Base.metadata ----
import ypms.models  # noqa: F401 — every model module; see src/ypms/models.py

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

config.set_main_option("sqlalchemy.url", get_settings().database_url)
target_metadata = Base.metadata


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