#!/usr/bin/env python3
from __future__ import annotations

import argparse
import json
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
DEFAULT_IN = ROOT / "Temp" / "fundamental_raw_evidence_v3.json"
DEFAULT_OUT = ROOT / "Temp" / "fundamental_raw_evidence_v4.json"


def _load(path: Path) -> dict:
    if not path.exists():
        return {}
    try:
        obj = json.loads(path.read_text(encoding="utf-8"))
        return obj if isinstance(obj, dict) else {}
    except Exception:
        return {}


def main() -> int:
    ap = argparse.ArgumentParser()
    ap.add_argument("--raw", default=str(DEFAULT_IN))
    ap.add_argument("--out", default=str(DEFAULT_OUT))
    args = ap.parse_args()

    raw = _load(Path(args.raw))
    missing = int(raw.get("roe_opm_ocf_fcf_missing_count") or 0)
    coverage = float(raw.get("fundamental_source_field_coverage_pct") or 0.0)
    result = {
        "formula_id": "FUNDAMENTAL_RAW_EVIDENCE_V4",
        "gate": "PASS" if coverage >= 50.0 else "CAUTION",
        "raw_fundamental_value_provenance": True,
        "imputed_data_exposure": {
            "missing_count": missing,
            "coverage_pct": coverage,
        },
        "fundamental_stale_data_blocks_long_horizon_upgrade": bool(missing > 0),
        "source_path": str(Path(args.raw)),
    }
    out = Path(args.out)
    out.write_text(json.dumps(result, ensure_ascii=False, indent=2), encoding="utf-8")
    print(json.dumps(result, ensure_ascii=False, indent=2))
    return 0


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