"""trex-core CLI entrypoints (REQ-032).

Subcommands:
  pause <portfolio_id>   — durably pause a portfolio (Postgres)
  resume <portfolio_id>  — clear the pause
  paused                 — list paused portfolio_ids
"""
from __future__ import annotations

import argparse
import sys

from trex_core.adapters.portfolio.pause_store import PostgreSQLPauseStore
from trex_core.runtime.config import DaemonConfig


def main(argv: list[str] | None = None) -> int:
    parser = argparse.ArgumentParser(prog="trex-core", description="trex-core admin CLI")
    sub = parser.add_subparsers(dest="cmd", required=True)

    p_pause = sub.add_parser("pause", help="Pause a portfolio_id")
    p_pause.add_argument("portfolio_id")
    p_pause.add_argument("--actor", default="cli")

    p_resume = sub.add_parser("resume", help="Resume a portfolio_id")
    p_resume.add_argument("portfolio_id")

    sub.add_parser("paused", help="List paused portfolio_ids")

    args = parser.parse_args(argv)
    cfg = DaemonConfig.from_env()
    store = PostgreSQLPauseStore(cfg.dsn)

    if args.cmd == "pause":
        store.pause(args.portfolio_id, actor=args.actor)
        print(f"paused {args.portfolio_id}")
    elif args.cmd == "resume":
        store.resume(args.portfolio_id)
        print(f"resumed {args.portfolio_id}")
    elif args.cmd == "paused":
        for pid in sorted(store.list_paused()):
            print(pid)
    return 0


if __name__ == "__main__":  # pragma: no cover
    sys.exit(main())