"""合成离线样本检查。与同名 JSON 及文中列出的附件放在同一目录运行。"""
from pathlib import Path, PurePosixPath
import base64, hashlib, io, inspect, json, math, re, subprocess, sys, tempfile, wave, zipfile
from collections import Counter, defaultdict
from datetime import date, datetime
from decimal import Decimal
sys.dont_write_bytecode=True

def sha(b): return hashlib.sha256(b).hexdigest()
def rejected(fn):
    try: fn()
    except (ValueError,TypeError,KeyError,UnicodeError,OverflowError): return True
    return False

def git(root,*args,input=None,check=True):
    r=subprocess.run(['git','-c','core.autocrlf=false',*args],cwd=root,input=input,capture_output=True,check=check)
    return r

def verify(d,base):
    def v1(p):return {'decision':p['label'],'reason':None}
    def v2(p):return {'decision':p['decision'],'reason':p['reason']}
    registry={'v1':v1,'v2':v2};out=[]
    for env in d['envelopes']:
        version=env['schema_version']
        if version not in registry:out.append({'status':'unknown_version'});continue
        try:
            value=registry[version](env['payload'])
            if value['decision'] not in ('accept','reject'):raise ValueError('未知决策')
            out.append({'status':'converted','value':value,'from':version,'original':env['payload'],'payload_sha256':sha(json.dumps(env['payload'],ensure_ascii=False,sort_keys=True,separators=(',',':')).encode('utf-8'))})
        except (KeyError,ValueError):out.append({'status':'invalid_payload'})
    assert [x['status'] for x in out]==d['expected'];assert out[0]['value']['reason'] is None
    assert all(len(r['payload_sha256'])==64 for r in out if r['status']=='converted')
    return {'results':out}

if __name__=='__main__':
    base=Path(__file__).resolve().parent
    data=json.loads((base/'a016.json').read_text('utf-8'))
    result=verify(data,base)
    print(json.dumps({'id':'A016','passed':True,'result':result},ensure_ascii=True))