# -*- coding: utf-8 -*-
"""原创离线合成样例；不连接模型、不读取账户。输出位于脚本旁。
已有输入保留，修改输入后可以重跑。失败边界由 --negative 单独演示。
"""
from pathlib import Path
import sys, json, csv, math, io, hashlib, html, base64, re
sys.stdout.reconfigure(encoding='utf-8')
sys.stderr.reconfigure(encoding='utf-8')
BASE = Path(__file__).resolve().parent
NEG = '--negative' in sys.argv
def write(name, value):
    p=BASE/name; p.parent.mkdir(parents=True,exist_ok=True)
    if isinstance(value,bytes): p.write_bytes(value)
    else: p.write_text(value,encoding='utf-8',newline='')
def seed(name,value):
    if not (BASE/name).exists(): write(name,value)
def jwrite(name,value): write(name,json.dumps(value,ensure_ascii=False,indent=2))
def jseed(name,value):
    if not (BASE/name).exists(): jwrite(name,value)
def load(name): return json.loads((BASE/name).read_text(encoding='utf-8'))
def table(name,heads,rows):
    f=io.StringIO(newline='');w=csv.writer(f);w.writerow(heads);w.writerows(rows);write(name,f.getvalue())
def page(name,title,body):
    write(name,'<!doctype html><html lang="zh-CN"><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>'+html.escape(title)+'</title><style>body{max-width:1000px;margin:2rem auto;padding:0 1rem;font:17px/1.7 system-ui}table{border-collapse:collapse}td,th{border:1px solid #aaa;padding:.5rem}pre{white-space:pre-wrap;overflow-wrap:anywhere}img,svg{max-width:100%;height:auto}a{color:#125caa}</style><h1>'+html.escape(title)+'</h1>'+body+'</html>')
def emit(data): print(json.dumps(data,ensure_ascii=False))

jseed('synthetic-response.json',{'output':[{'type':'message','content':[{'type':'output_text','text':'合成产物已准备','annotations':[{'type':'container_file_citation','container_id':'container_synthetic','file_id':'f1','filename':'report.csv'},{'type':'container_file_citation','container_id':'container_synthetic','file_id':'f2','filename':'report.csv'}]}]}]})
stub={('container_synthetic','f1'):b'item,value\na,12\n',('container_synthetic','f2'):b'item,value\nb,18\n'}
if NEG:stub.pop(('container_synthetic','f2'))
manifest=[]
for item in load('synthetic-response.json')['output']:
    for block in item.get('content',[]):
        for a in block.get('annotations',[]):
            if a['type']!='container_file_citation':continue
            key=(a['container_id'],a['file_id'])
            if key not in stub:raise FileNotFoundError('模拟容器文件不可取回：'+str(key))
            filename=re.sub(r'[^A-Za-z0-9_.-]','_',Path(a['filename']).name);prefix=re.sub(r'[^A-Za-z0-9_-]','_',a['file_id']);filename=prefix+'-'+filename;data=stub[key];write(filename,data);manifest.append({'container_id':key[0],'file_id':key[1],'original_name':a['filename'],'local_name':filename,'bytes':len(data),'sha256':hashlib.sha256(data).hexdigest()})
jwrite('artifact-manifest.json',manifest);emit({'saved':[x['local_name'] for x in manifest],'total_bytes':sum(x['bytes'] for x in manifest)})