"""Run the unchanged season matches; keep game outcomes and timing evidence."""
import json
from pathlib import Path
import sys

ROUTE = Path(__file__).resolve().parent
ROOT = ROUTE.parents[1]
sys.path.insert(0, str(ROOT / 'referee'))
import play


def main():
    rows = []
    for opponent in sorted(p.name for p in (ROOT / 'field').iterdir() if p.is_dir()):
        for opening_index, opening in enumerate(play.openings(), 1):
            for seat in (0, 1):
                brains = [play.brain(str(ROUTE)), play.brain(str(ROOT / 'field' / opponent))]
                if seat:
                    brains.reverse()
                result = play.match(brains, opening)
                our_times = [m[2] for i, m in enumerate(result['moves']) if i >= len(opening) and i % 2 == seat]
                points = 0.5 if result['winner'] is None else float(result['winner'] == seat)
                rows.append({'opponent': opponent, 'opening': opening_index,
                             'seat': 'black' if seat == 0 else 'white', 'points': points,
                             'reason': result['reason'], 'moves': len(result['moves']),
                             'max_reply_ms': max(our_times, default=0)})
    out = ROUTE / 'out'
    out.mkdir(exist_ok=True)
    (out / 'games.json').write_text(json.dumps(rows, indent=2) + '\n')
    groups = {opp: [r for r in rows if r['opponent'] == opp] for opp in sorted({r['opponent'] for r in rows})}
    lines = ['# Season check evidence', '', 'Generated by `python3 routes/codex-line-threats/audit.py`.',
             'Uses the unchanged project referee, all six openings, and both colours.', '',
             '| Opponent | Wins | Draws | Losses | Points share |', '|---|---:|---:|---:|---:|']
    for opp, games in groups.items():
        counts = [sum(r['points'] == value for r in games) for value in (1, 0.5, 0)]
        lines.append(f'| {opp} | {counts[0]} | {counts[1]} | {counts[2]} | {sum(r["points"] for r in games)/len(games):.6f} |')
    lines += ['', f'Overall points share: {sum(r["points"] for r in rows)/len(rows):.6f}.',
              f'Maximum measured reply latency: {max(r["max_reply_ms"] for r in rows)} ms.',
              'Reply latency is measured by the project referee on this local machine; it is not a cross-machine runtime guarantee.',
              f'End reasons: {json.dumps({reason: sum(r["reason"] == reason for r in rows) for reason in sorted({r["reason"] for r in rows})})}.',
              '', 'Per-game evidence, including losses, is in `games.json`.']
    report = '\n'.join(lines) + '\n'
    (out / 'season.md').write_text(report)
    print(report)


if __name__ == '__main__':
    main()