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#!/usr/bin/env python3
"""Summarize Task-E pi0.5 eval logs."""

from __future__ import annotations

import argparse
from pathlib import Path
import re
import statistics


RESULT_RE = re.compile(r"\[RESULT\].*?score=([0-9.]+).*?steps=([0-9]+).*?done=(True|False)")
BASKET_RE = re.compile(r"\[BASKET\].*?(object_[123]): .*?inside=(True|False)")


def summarize(eval_dir: Path) -> int:
    logs = sorted(eval_dir.glob("seed*.log"))
    if not logs:
        print(f"[ERROR] No seed*.log files found in {eval_dir}")
        return 1

    scores: list[float] = []
    for log in logs:
        text = log.read_text(errors="replace")
        result = RESULT_RE.search(text)
        baskets = BASKET_RE.findall(text)
        if not result:
            print(f"{log.name}: missing result")
            continue
        score = float(result.group(1))
        steps = int(result.group(2))
        done = result.group(3)
        scores.append(score)
        basket_text = ", ".join(f"{obj}={inside}" for obj, inside in baskets) if baskets else "basket=unknown"
        print(f"{log.name}: score={score:.2f}, steps={steps}, done={done}, {basket_text}")

    if scores:
        print(
            f"[SUMMARY] n={len(scores)} mean={statistics.fmean(scores):.2f} "
            f"best={max(scores):.2f} min={min(scores):.2f}"
        )
    videos = sorted((eval_dir.parents[1] / "videos" / "task_e_pi05_eval").glob("*.mp4"))
    if videos:
        print(f"[VIDEO] latest={videos[-1]}")
    return 0


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("eval_dir", type=Path)
    return summarize(parser.parse_args().eval_dir)


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