#!/usr/bin/env python3
"""batch-summary.py — concise per-game summary for any apricot batch dir.

Usage: python3 tools/batch-summary.py <batch-dir>

Prints one line per game:
    <game_name>: T<turn> outcome=<outcome> winner=<personality> max_tier=<n> wonders=<n>
"""
from __future__ import annotations

import json
import sys
from pathlib import Path


def main(argv: list[str]) -> int:
    if len(argv) != 2:
        print(f"Usage: {argv[0]} <batch-dir>", file=sys.stderr)
        return 2
    root = Path(argv[1])
    if not root.is_dir():
        print(f"Not a directory: {root}", file=sys.stderr)
        return 2

    for game in sorted(root.glob("game_*")):
        if not game.is_dir():
            continue
        ts = game / "turn_stats.jsonl"
        if not ts.exists():
            print(f"{game.name}: NO_STATS")
            continue
        try:
            lines = [json.loads(line) for line in ts.read_text().splitlines() if line.strip()]
        except Exception as e:
            print(f"{game.name}: PARSE_ERR {e}")
            continue
        if not lines:
            print(f"{game.name}: EMPTY")
            continue
        final = lines[-1]
        ps = final.get("player_stats") or {}
        max_tp = max((p.get("tier_peak", 0) for p in ps.values()), default=0)
        wonders = sum(p.get("wonder_count", 0) for p in ps.values())
        print(
            f"{game.name}: T{final.get('turn')} "
            f"outcome={final.get('outcome')} "
            f"winner={final.get('winner_personality')} "
            f"max_tier={max_tp} wonders={wonders}"
        )
    return 0


if __name__ == "__main__":
    sys.exit(main(sys.argv))