"""Application management CLI: ``python -m photo_pipeline {serve,migrate}``."""

from __future__ import annotations

import argparse
from typing import Sequence

from photo_pipeline.config import Config
from photo_pipeline.db import run_migrations


def main(argv: Sequence[str] | None = None) -> int:
    parser = argparse.ArgumentParser(prog="photo_pipeline")
    commands = parser.add_subparsers(dest="command", required=True)
    commands.add_parser("serve", help="Run the API server")
    commands.add_parser("migrate", help="Upgrade the database to the latest revision")
    args = parser.parse_args(argv)

    config = Config.from_env()
    config.database_path.parent.mkdir(parents=True, exist_ok=True)

    if args.command == "migrate":
        run_migrations(config.database_url)
        return 0

    import uvicorn

    from photo_pipeline.api.app import create_app

    uvicorn.run(create_app(config), host=config.host, port=config.port)
    return 0


if __name__ == "__main__":
    raise SystemExit(main())