"""Apply Alembic migrations against the configured Postgres."""

from __future__ import annotations

import sys
from pathlib import Path

from alembic import command
from alembic.config import Config

from app.config import settings


def main() -> int:
    root = Path(__file__).resolve().parents[1]
    cfg = Config(str(root / "alembic.ini"))
    cfg.set_main_option("script_location", str(root / "app" / "db" / "migrations"))
    cfg.set_main_option("sqlalchemy.url", settings.database_url)
    command.upgrade(cfg, "head")
    print("alembic upgrade head: ok")
    return 0


if __name__ == "__main__":
    sys.exit(main())