# -*- coding: utf-8 -*-
"""统计各系列"参数组合 → 型号"是否一对一 (多处多 vs 一处多)。"""
import json, io, collections

CAT = r'D:/开发/OnebotCatalog/release/web_2026.08/catalog.json'
d = json.load(io.open(CAT, encoding='utf-8-sig'))

print(f'{"系列":8s} {"变体":>6s} {"组合":>6s} {"重复组":>6s} {"最大一对多":>9s}  判定')
print('-' * 58)
tot_codes = 0
bad = []
for s in d['series']:
    vs = s.get('variants') or []
    if not vs:
        continue
    params = [p['code'] for p in s['parameters']]
    sig = collections.Counter(
        tuple(str(v['params'].get(pc)) for pc in params) for v in vs)
    dup = {k: n for k, n in sig.items() if n > 1}
    mx = max(sig.values()) if sig else 0
    verdict = 'OK 一对一' if not dup else f'!! {len(dup)} 组一对多'
    if dup:
        bad.append((s['code'], len(vs), len(dup), mx))
        tot_codes += sum(n - 1 for n in dup.values())
    print(f'{s["code"]:8s} {len(vs):6d} {len(sig):6d} {len(dup):6d} {mx:9d}  {verdict}')

print(f'\n存在一对多的系列: {len(bad)} 个, 受影响型号 {tot_codes} 个')
if bad:
    print('\n明细 (系列 / 变体 / 重复组数 / 一组最多几个型号):')
    for c, n, dup, mx in sorted(bad, key=lambda x: -x[3]):
        print(f'  {c:8s} {n:5d} 变体  {dup:3d} 组  max={mx}')