#!/usr/bin/env python3
"""Summarize measured callback deltas, not estimated CPU savings."""
import argparse
import json
import re
from pathlib import Path


def summarize(paths):
    groups = {}
    for path in paths:
        for line in path.read_text(errors='replace').splitlines():
            if 'AID SAMPLE ' not in line or 'missing=1' in line:
                continue
            fields = dict(re.findall(r'(\w+)=([^\s\']+)', line))
            key = (fields['side'], int(fields['stage']), fields['kind'])
            groups.setdefault(key, []).append(fields)
    result = []
    for (side, stage, kind), samples in sorted(groups.items()):
        # Trim both edges: ownership and the phase-label RPC can arrive on different frames.
        stable = samples[2:-2]
        if len(stable) < 2:
            continue
        first, last = stable[0], stable[-1]
        row = dict(side=side, stage=stage, kind=kind, samples=len(stable),
                   wall_ms=int(last['wall'])-int(first['wall']))
        for field in ('role','owner','master','ownerProxy','remoteProxy','control','agent','controlActive','agentActive','lod'):
            row[field] = sorted({int(s[field]) for s in stable})
        for field in ('perception','bt','utility','groupBT'):
            values = [int(s[field]) for s in stable]
            row[field] = dict(first=values[0], last=values[-1],
                              delta=values[-1]-values[0] if min(values)>=0 else None,
                              monotonic=all(a<=b for a,b in zip(values,values[1:])))
        result.append(row)
    return result


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('logs', nargs='+', type=Path)
    args = parser.parse_args()
    print(json.dumps(summarize(args.logs), indent=2))