#!/usr/bin/env python3
"""exp13 — гейты на выходах армов (пре-рег §1.3): эхо-rate / refusal / объём-коридор / полнота.
Читает diag/arms13/<ARM>/<ch>_<ci>.txt + diag/chunks.json (исходники zh). $0 (детерминированно).
Выход: diag/arms13/gates.json + печать таблицы.
"""
from __future__ import annotations
import json, re
from pathlib import Path

DIAG = Path("/home/ubuntu/books/gu-zhenren/diag")
OUT = DIAG / "arms13"
TARGETS = [(5, 0), (5, 1), (7, 0), (7, 1), (14, 0), (14, 1)]
LEN_BOUNDS = (2.2, 4.2)  # zh→ru приёмки
REFUSAL = re.compile(r"(?i)\b(я не могу|не буду переводить|as an ai|i cannot|i'm sorry|извините, но я|не могу выполнить|против правил)\b")
HAN = re.compile(r"[一-鿿㐀-䶿]")


def han_ratio(t: str) -> float:
    ns = [c for c in t if not c.isspace()]
    if not ns:
        return 1.0
    return sum(1 for c in ns if HAN.match(c)) / len(ns)


def main() -> None:
    chunks = json.loads((DIAG / "chunks.json").read_text(encoding="utf-8"))
    arms = sorted([p.name for p in OUT.iterdir() if p.is_dir()])
    rows, per_arm = [], {}
    for arm in arms:
        agg = {"arm": arm, "n": 0, "echo": 0, "refusal": 0, "vol_bad": 0, "empty": 0,
               "han_sum": 0.0, "vol_sum": 0.0}
        for ch, ci in TARGETS:
            key = f"{ch}/{ci}"
            p = OUT / arm / f"{ch}_{ci}.txt"
            src = chunks[key]["source"]
            if not p.exists() or not p.read_text(encoding="utf-8").strip():
                agg["empty"] += 1; agg["n"] += 1; continue
            t = p.read_text(encoding="utf-8").strip()
            hr = han_ratio(t)
            vr = len(t) / max(1, len(src))
            echo = hr > 0.10
            ref = bool(REFUSAL.search(t))
            volbad = not (LEN_BOUNDS[0] <= vr <= LEN_BOUNDS[1])
            agg["n"] += 1; agg["han_sum"] += hr; agg["vol_sum"] += vr
            agg["echo"] += echo; agg["refusal"] += ref; agg["vol_bad"] += volbad
            rows.append({"arm": arm, "chunk": key, "han": round(hr, 4), "vol": round(vr, 2),
                         "echo": echo, "refusal": ref, "vol_bad": volbad, "chars": len(t)})
        n = max(1, agg["n"] - agg["empty"])
        agg["han_avg"] = round(agg["han_sum"] / n, 4)
        agg["vol_avg"] = round(agg["vol_sum"] / n, 2)
        agg["echo_rate"] = round(agg["echo"] / max(1, agg["n"]), 3)
        per_arm[arm] = agg

    (OUT / "gates.json").write_text(json.dumps({"per_arm": per_arm, "rows": rows}, ensure_ascii=False, indent=1), encoding="utf-8")
    print(f"{'arm':<5} {'n':>2} {'echo':>5} {'refus':>5} {'volBad':>6} {'empty':>5} {'han_avg':>8} {'vol_avg':>7}")
    for arm in arms:
        a = per_arm[arm]
        print(f"{arm:<5} {a['n']:>2} {a['echo']:>5} {a['refusal']:>5} {a['vol_bad']:>6} {a['empty']:>5} {a['han_avg']:>8} {a['vol_avg']:>7}  echo_rate={a['echo_rate']}")


if __name__ == "__main__":
    main()