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#!/usr/bin/env python3
"""Dated-break eval aggregator: score replies.jsonl files and print the frozen headline tables.

usage: score_run.py REPLIES.jsonl[,MORE.jsonl...] OUT.json [--duckdb OUTCOMES.json] [--rust OUTCOMES.json]
                    [--pilot]   (pilot: skip the paired bootstrap)

Exec items (duckdb-*, rust-*) take their outcome only from the contained-runner outcomes files; with no
file, or a missing key, the outcome is NOT_RUN (never a silent static fallback).

Definitions (frozen protocol):
  scored      outcomes other than UNSCORED, UNSCORED_IMPORT, UNKNOWN_ID, INVALID_ID, NOT_RUN. MIXED is scored.
  PRIMARY     (FAIL + BROKEN_ALREADY_ROW) / scored, breakClass 'stops-working' only: the only break arm C can address.
  SECONDARY   any dated break = PRIMARY numerator + BROKEN_ALREADY_OTHER + OTHER_SCHEDULED, same denominator.
              Reported beside PRIMARY, never inside it. ALIAS_SCHEDULED and REROUTED are labelled counts.
  BOUNDS      lower = numerator / all records in the class (unscored counted as PASS);
              upper = (numerator + MIXED + not scored) / all records in the class.
  Other breakClasses (pre-release, standing-limit, support-ends) are listed apart, same columns.
  Arm C is also split on calendarEchoAny (a decisive token appears verbatim in the calendar text given).
  Paired arm comparison: per model, over (item, sample) pairs scored in both arms; the dropped count is printed
  per pair; row-cluster bootstrap (resample calendar rows, 2000 draws, seed 23196) for the difference in PRIMARY
  and, on the same resamples, in SECONDARY. paired() also returns the transition table (pair counts by outcome in
  arm X, outcome in arm Y) and the frozen reading rule flag noCalendarEffectClaimed (see paired()).
"""
import json
import random
import sys
from collections import Counter, defaultdict
from pathlib import Path

HERE = Path(__file__).resolve().parent
sys.path.insert(0, str(HERE))
from score import BAD, load_status, score  # noqa: E402

NOT_SCORED = {"UNSCORED", "UNSCORED_IMPORT", "UNKNOWN_ID", "INVALID_ID", "NOT_RUN"}
SECOND_EXTRA = {"BROKEN_ALREADY_OTHER", "OTHER_SCHEDULED"}
PRIMARY_CLASS = "stops-working"


def load_rows(paths, duck, rust, ctx_base, cal_text):
    st = load_status()
    items = {json.loads(l)["id"]: json.loads(l) for l in open(HERE / "items.jsonl")}
    rows = []
    for p in paths:
        for l in open(p):
            r = json.loads(l)
            if r.get("error"):
                continue
            it = items[r["item"]]
            t = it["check"]["type"]
            key = f"{r['item']}|{r['arm']}|{r['model']}|{r.get('sample', 0)}"
            if t in ("exec_duckdb", "exec_rust"):
                src = duck if t == "exec_duckdb" else rust
                if key in src:
                    o, d = src[key]["outcome"], {"exec": {k: v for k, v in src[key].items() if k != "expect"}}
                else:
                    o, d = "NOT_RUN", {"why": "no contained-runner outcome for this reply"}
            else:
                ctx = dict(ctx_base)
                if r["arm"] == "C":
                    ctx["calendar_text"] = cal_text
                o, d = score(it, r["reply"], st, ctx=ctx)
            rows.append({"item": r["item"], "arm": r["arm"], "model": r["model"], "sample": r.get("sample", 0),
                         "breakClass": it["breakClass"], "row": it["rows"][0], "outcome": o, "detail": d,
                         "finish": r.get("finish"), "echo": d.get("calendarEchoAny") if r["arm"] == "C" else None})
    return rows


def metrics(rs):
    c = Counter(r["outcome"] for r in rs)
    n = len(rs)
    scored = sum(v for k, v in c.items() if k not in NOT_SCORED)
    num = sum(c[k] for k in BAD)
    sec = num + sum(c[k] for k in SECOND_EXTRA)
    ns = n - scored
    return {"n": n, "scored": scored, "primaryNum": num, "secondaryNum": sec,
            "primary": (num / scored) if scored else None, "secondary": (sec / scored) if scored else None,
            "lower": (num / n) if n else None, "upper": ((num + c["MIXED"] + ns) / n) if n else None,
            "mixed": c["MIXED"], "notScored": ns, "alias": c["ALIAS_SCHEDULED"], "rerouted": c["REROUTED"],
            "counts": dict(c)}


def pct(x):
    return "n/a" if x is None else f"{100 * x:.0f}%"


def line(m):
    return (f"n={m['n']} scored={m['scored']} PRIMARY={m['primaryNum']}/{m['scored']} ({pct(m['primary'])}) "
            f"SECONDARY={m['secondaryNum']}/{m['scored']} ({pct(m['secondary'])}) bounds {pct(m['lower'])}-{pct(m['upper'])} "
            f"mixed={m['mixed']} notScored={m['notScored']} alias={m['alias']} rerouted={m['rerouted']}")


def _ci(byrow, idx):
    """Row-cluster bootstrap (resample calendar rows, 2000 draws, seed 23196) of the mean of component idx.
    Both indicators use the same resamples, so PRIMARY and SECONDARY CIs are comparable."""
    rng = random.Random(23196)
    rowsl = list(byrow)
    ests = [[], []]
    for _ in range(2000):
        tot = [0, 0]
        cnt = 0
        for _ in rowsl:
            v = byrow[rng.choice(rowsl)]
            tot[0] += sum(x[0] for x in v)
            tot[1] += sum(x[1] for x in v)
            cnt += len(v)
        ests[0].append(tot[0] / cnt)
        ests[1].append(tot[1] / cnt)
    for e in ests:
        e.sort()
    return [[e[49], e[1949]] for e in ests]


def _excl0(ci):
    return 1 if ci[0] > 0 else (-1 if ci[1] < 0 else 0)


def paired(rows, model, a, b, boot=True):
    """Arm comparison (reading rule fixed before any scored run). Indicators:
       PRIMARY   = outcome in BAD (FAIL, BROKEN_ALREADY_ROW)
       SECONDARY = PRIMARY or outcome in SECOND_EXTRA (BROKEN_ALREADY_OTHER, OTHER_SCHEDULED)
    Reading rule (frozen): the arm-effect headline is the PRIMARY paired diff shown beside the SECONDARY diff.
    noCalendarEffectClaimed = True when (i) the two CIs exclude 0 in opposite directions, or (ii) more than half of
    the net PRIMARY change comes from pairs whose non-PRIMARY side is BROKEN_ALREADY_OTHER / OTHER_SCHEDULED.
    Then the write-up claims no calendar effect in either direction and shows the transition table."""
    ra = {(r["item"], r["sample"]): r for r in rows if r["model"] == model and r["arm"] == a and r["breakClass"] == PRIMARY_CLASS}
    rb = {(r["item"], r["sample"]): r for r in rows if r["model"] == model and r["arm"] == b and r["breakClass"] == PRIMARY_CLASS}
    keys = [k for k in ra if k in rb and ra[k]["outcome"] not in NOT_SCORED and rb[k]["outcome"] not in NOT_SCORED]
    dropped = {"onlyA": len([k for k in ra if k not in rb]), "onlyB": len([k for k in rb if k not in ra]),
               "unscoredEitherArm": len([k for k in ra if k in rb]) - len(keys)}
    if not keys:
        return {"pairs": 0, "dropped": dropped}
    prim = lambda r: 1 if r["outcome"] in BAD else 0
    sec = lambda r: 1 if (r["outcome"] in BAD or r["outcome"] in SECOND_EXTRA) else 0
    byrow = defaultdict(list)
    trans = Counter()
    for k in keys:
        byrow[ra[k]["row"]].append((prim(ra[k]) - prim(rb[k]), sec(ra[k]) - sec(rb[k])))
        trans[f"{ra[k]['outcome']}|{rb[k]['outcome']}"] += 1
    diffs = [d for v in byrow.values() for d in v]
    n = len(keys)
    out = {"pairs": n, "dropped": dropped,
           "rateA": sum(prim(ra[k]) for k in keys) / n, "rateB": sum(prim(rb[k]) for k in keys) / n,
           "diffAminusB": sum(d[0] for d in diffs) / n,
           "secondaryRateA": sum(sec(ra[k]) for k in keys) / n, "secondaryRateB": sum(sec(rb[k]) for k in keys) / n,
           "secondaryDiffAminusB": sum(d[1] for d in diffs) / n,
           "transitions": {"armA": a, "armB": b, "pairCounts": dict(sorted(trans.items()))}}
    other = sum(prim(ra[k]) - prim(rb[k]) for k in keys
                if (ra[k]["outcome"] in SECOND_EXTRA) != (rb[k]["outcome"] in SECOND_EXTRA)
                and prim(ra[k]) != prim(rb[k]))
    net = sum(d[0] for d in diffs)
    out["primaryChangeFromOtherCells"] = {"net": net, "fromOther": other,
                                          "share": (other / net) if net else None}
    reasons = []
    if boot and len(byrow) > 1:
        cp, cs = _ci(byrow, 0)
        out["ci95"], out["secondaryCi95"] = cp, cs
        if _excl0(cp) * _excl0(cs) == -1:
            reasons.append("PRIMARY and SECONDARY CIs exclude 0 in opposite directions")
    if net and other / net > 0.5:
        reasons.append("more than half of the net PRIMARY change comes from BROKEN_ALREADY_OTHER/OTHER_SCHEDULED cells")
    out["noCalendarEffectClaimed"] = bool(reasons)
    out["noCalendarEffectReasons"] = reasons
    return out


def main():
    a = sys.argv[1:]
    paths = a[0].split(",")
    out = a[1]
    flag = lambda f: json.load(open(a[a.index(f) + 1])) if f in a else {}
    duck, rust = flag("--duckdb"), flag("--rust")
    adj_p = HERE / "adjudications.json"
    ctx = {"adjudications": json.load(open(adj_p)) if adj_p.exists() else {}}
    sys.path.insert(0, str(HERE))
    from run_items import calendar_context
    rows = load_rows(paths, duck, rust, ctx, calendar_context())
    cells = defaultdict(list)
    for r in rows:
        cells[(r["model"], r["arm"])].append(r)
    report = {"cells": {}, "armCsplit": {}, "paired": {}}
    for (m, arm), rs in sorted(cells.items()):
        print(f"\n== {m} arm {arm}")
        for cls in sorted({r["breakClass"] for r in rs}, key=lambda c: (c != PRIMARY_CLASS, c)):
            mm = metrics([r for r in rs if r["breakClass"] == cls])
            report["cells"][f"{m}|{arm}|{cls}"] = mm
            print(f"  [{cls}] {line(mm)}")
        if arm == "C":
            for flagv in (True, False):
                sub = [r for r in rs if r["breakClass"] == PRIMARY_CLASS and bool(r["echo"]) == flagv]
                mm = metrics(sub)
                report["armCsplit"][f"{m}|echo={flagv}"] = mm
                print(f"  [stops-working, calendarEchoAny={flagv}] {line(mm)}")
    models = sorted({r["model"] for r in rows})
    if "--pilot" not in a:
        for m in models:
            for x, y in (("A", "B"), ("A", "C"), ("B", "C")):
                p = paired(rows, m, x, y)
                report["paired"][f"{m}|{x}-{y}"] = p
                print(f"\npaired {m} {x} vs {y}: {json.dumps(p)}")
    json.dump({"rows": rows, "report": report}, open(out, "w"), indent=1)
    print("\nUNSCORED / UNKNOWN_ID / INVALID_ID / UNSCORED_IMPORT cases (the instrument-readability read):")
    for r in rows:
        if r["outcome"] in ("UNSCORED", "UNKNOWN_ID", "INVALID_ID", "UNSCORED_IMPORT"):
            print(f"  {r['item']} {r['arm']} {r['outcome']} finish={r['finish']} {json.dumps(r['detail'])[:160]}")


if __name__ == "__main__":
    main()