from __future__ import annotations

import argparse
import asyncio
import logging
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parent
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from sync_state_machine.config import load_overrides_from_file  
from sync_state_machine.pipeline import run_profile_from_file


def _resolve_config_path(raw_path: str) -> Path:
    path = Path(raw_path)
    if not path.is_absolute():
        path = PROJECT_ROOT / path
    return path.resolve()


async def _main() -> int:
    parser = argparse.ArgumentParser(description="Run sync pipeline from config override file")
    parser.add_argument(
        "--config_path",
        required=True,
        help="Path to run profile file (JSON/YAML, supports relative path, e.g. run_profiles/jsonl_to_jsonl.local.json)",
    )
    args = parser.parse_args()

    cfg_path = _resolve_config_path(args.config_path)
    if not cfg_path.exists() or not cfg_path.is_file():
        raise FileNotFoundError(f"Config file not found: {cfg_path}")

    print(f"🧩 Loaded config file: {cfg_path}")
    await run_profile_from_file(
        project_root=PROJECT_ROOT,
        config_path=cfg_path,
        print_summary=True,
    )
    return 0


def main() -> int:
    try:
        return asyncio.run(_main())
    except KeyboardInterrupt:
        print("\n⚠️ Interrupted by user")
        return 130
    except Exception as exc:
        print(f"\n❌ Pipeline failed: {type(exc).__name__}: {exc}")
        return 1
    finally:
        logging.shutdown()


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