import argparse
import sys

from app.config import load_config


def _store(cfg):
    import os
    from photoflow.core import Store
    os.makedirs(cfg.data_dir, exist_ok=True)
    return Store(cfg.db_path).connect()


def _immich(deps, cfg):
    if "immich" in deps:
        return deps["immich"]
    from photoflow.immich import ImmichClient
    return ImmichClient(cfg.immich_url, cfg.immich_api_key)


def cmd_serve(deps) -> int:
    from app import create_app
    create_app(deps["config"]).run(host="0.0.0.0", port=8084)
    return 0


def build_parser() -> argparse.ArgumentParser:
    p = argparse.ArgumentParser(prog="categorize")
    sub = p.add_subparsers(dest="command", required=True)

    ing = sub.add_parser("ingest")
    ing.add_argument("--from", dest="date_from")
    ing.add_argument("--to", dest="date_to")
    ing.add_argument("--tag")
    ing.add_argument("--subset", type=int)
    ing.add_argument("--full", action="store_true", help="ignore incremental updatedAfter")

    cl = sub.add_parser("cluster")
    cl.add_argument("--gap-factor", type=float, default=6.0)

    sub.add_parser("serve")

    ap = sub.add_parser("apply")
    ap.add_argument("--yes", action="store_true", help="skip the confirmation prompt")

    return p


def main(argv=None) -> int:
    args = build_parser().parse_args(argv)
    deps = {"config": load_config()}
    if args.command == "serve":
        return cmd_serve(deps)
    # ingest / cluster / apply are wired in later tasks.
    print(f"Command '{args.command}' is not implemented yet.")
    return 1


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