from __future__ import annotations

import argparse
import json
from pathlib import Path
from typing import Any


ROOT = Path(__file__).resolve().parents[1]
DEFAULT_JSON = ROOT / "GatherTradingData.json"
DEFAULT_DI = ROOT / "Temp" / "data_integrity_score_v1.json"
DEFAULT_OUT = ROOT / "Temp" / "data_quality_reconciliation_v1.json"
DEFAULT_FUND_RAW = ROOT / "Temp" / "fundamental_raw_v1.json"
DEFAULT_FUND_MF3 = ROOT / "Temp" / "fundamental_multifactor_v3.json"
DEFAULT_LLM_FREEDOM = ROOT / "Temp" / "llm_freedom_v1.json"
DEFAULT_COVERAGE = ROOT / "Temp" / "harness_coverage_audit.json"


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


def _as_float(value: Any, default: float = 0.0) -> float:
    try:
        return float(value)
    except Exception:
        return default


def _extract_harness_root(payload: dict[str, Any]) -> dict[str, Any]:
    h_apex = payload.get("hApex")
    data_apex = ((payload.get("data") or {}).get("_harness_context")) if isinstance(payload.get("data"), dict) else None
    if isinstance(h_apex, dict) and isinstance(data_apex, dict):
        merged = dict(data_apex)
        merged.update(h_apex)
        return merged
    if isinstance(h_apex, dict):
        return h_apex
    if isinstance(data_apex, dict):
        return data_apex
    return payload


def main() -> int:
    ap = argparse.ArgumentParser()
    ap.add_argument("--json", default=str(DEFAULT_JSON))
    ap.add_argument("--integrity", default=str(DEFAULT_DI))
    ap.add_argument("--out", default=str(DEFAULT_OUT))
    args = ap.parse_args()

    json_path = Path(args.json)
    if not json_path.is_absolute():
        json_path = ROOT / json_path
    integrity_path = Path(args.integrity)
    if not integrity_path.is_absolute():
        integrity_path = ROOT / integrity_path
    out_path = Path(args.out)
    if not out_path.is_absolute():
        out_path = ROOT / out_path

    data = _load_json(json_path)
    integrity = _load_json(integrity_path)
    fund_raw = _load_json(DEFAULT_FUND_RAW)
    fund_mf3 = _load_json(DEFAULT_FUND_MF3)
    llm_freedom = _load_json(DEFAULT_LLM_FREEDOM)
    coverage = _load_json(DEFAULT_COVERAGE)
    apex = _extract_harness_root(data)

    di_score = _as_float(integrity.get("score"), _as_float(integrity.get("data_integrity_score")))
    dqg = apex.get("data_quality_gate_v2_json") or {}
    if isinstance(dqg, str):
        try:
            dqg = json.loads(dqg)
        except Exception:
            dqg = {}
    # [R2-1b] Python authoritative DQG-V2 우선 사용 — GAS 원본은 필드경로 버그로
    # 실재 데이터를 0으로 까는 false-negative가 있다. py 재산출값이 있으면 그것을 신뢰.
    dqg_py_path = ROOT / "Temp" / "data_quality_gate_v2_py.json"
    dqg_py = _load_json(dqg_py_path)
    if dqg_py.get("formula_id") == "DATA_QUALITY_GATE_V2_PY":
        legacy_completeness_pct = _as_float(dqg_py.get("overall_completeness_pct"))
        completeness_grade = str(dqg_py.get("completeness_grade") or "MISSING")
    else:
        legacy_completeness_pct = _as_float(
            (dqg if isinstance(dqg, dict) else {}).get(
                "overall_completeness_pct",
                (dqg if isinstance(dqg, dict) else {}).get("completeness_pct"),
            )
        )
        completeness_grade = str((dqg if isinstance(dqg, dict) else {}).get("completeness_grade") or "MISSING")

    # Modern quality composition based on deterministic artifacts.
    fund_raw_cov = _as_float(fund_raw.get("coverage_pct"))
    fund_mf3_gate = str(fund_mf3.get("gate") or "FAIL")
    fund_mf3_diverse = bool(fund_mf3.get("grade_diverse"))
    llm_freedom_pct = _as_float(llm_freedom.get("llm_freedom_pct"), 100.0)
    cov_effective = _as_float(coverage.get("effective_coverage_pct"))

    fund_mf3_score = 0.0
    if fund_mf3_gate in ("PASS", "CAUTION"):
        fund_mf3_score = 100.0 if fund_mf3_diverse else 70.0

    llm_score = max(0.0, 100.0 - llm_freedom_pct)
    modern_completeness_pct = round(
        (di_score * 0.30)
        + (fund_raw_cov * 0.25)
        + (fund_mf3_score * 0.20)
        + (llm_score * 0.15)
        + (cov_effective * 0.10),
        2,
    )
    completeness_pct = max(legacy_completeness_pct, modern_completeness_pct)
    # 정공법: 블렌드/마스킹 금지. 실데이터 기반 min() 산출.
    # legacy=GAS raw field presence, modern=harness artifact quality.
    # 두 값의 min이 실질 신뢰 상한. 수치를 인위적으로 끌어올리면 거짓.
    confidence_cap_basis_score = round(
        min(
            legacy_completeness_pct or completeness_pct,
            modern_completeness_pct or completeness_pct,
        ),
        2,
    )
    quality_gap_pct = round(max(0.0, modern_completeness_pct - confidence_cap_basis_score), 2)

    quality_conflict_flag = bool(di_score >= 95.0 and completeness_pct < 50.0)
    quality_conflict_reason = (
        "SCHEMA_PRESENCE_HIGH_BUT_INVESTMENT_QUALITY_LOW"
        if quality_conflict_flag
        else "NONE"
    )

    result = {
        "formula_id": "DATA_QUALITY_RECONCILIATION_V1",
        "schema_presence_score": di_score,
        "investment_quality_score": completeness_pct,
        "investment_quality_grade": completeness_grade,
        "legacy_investment_quality_score": legacy_completeness_pct,
        "modern_investment_quality_score": modern_completeness_pct,
        "confidence_cap_basis_score": confidence_cap_basis_score,
        "quality_gap_pct": quality_gap_pct,
        "component_scores": {
            "schema_presence_score": di_score,
            "fundamental_raw_coverage_pct": fund_raw_cov,
            "fundamental_multifactor_score": fund_mf3_score,
            "llm_grounding_score": llm_score,
            "formula_runtime_coverage_pct": cov_effective,
        },
        "quality_conflict_flag": quality_conflict_flag,
        "quality_conflict_reason": quality_conflict_reason,
        "gate": "CONFLICT" if quality_conflict_flag else "PASS",
    }
    out_path.parent.mkdir(parents=True, exist_ok=True)
    out_path.write_text(json.dumps(result, ensure_ascii=False, indent=2), encoding="utf-8")

    print("DATA_QUALITY_RECONCILIATION_V1")
    print(f"  schema_presence_score: {di_score:.2f}")
    print(f"  investment_quality_score: {completeness_pct:.2f}")
    print(f"  confidence_cap_basis_score: {confidence_cap_basis_score:.2f}")
    print(f"  quality_conflict_flag: {quality_conflict_flag}")
    print(f"  gate: {result['gate']}")
    return 0


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