# -*- coding: utf-8 -*-
"""
验证: 用模板对【已有型号】重新渲染, 必须与库中编码完全一致。
凡不一致 → 模板有误, 绝不能用它生成新编码 (会造出不存在的零件号)。
"""
import json, io, os, csv, sys, importlib.util

HERE = os.path.dirname(os.path.abspath(__file__))
spec = importlib.util.spec_from_file_location('gmc', os.path.join(HERE, 'gen-missing-combos.py'))
gmc = importlib.util.module_from_spec(spec)
sys.argv = ['x']          # 防止执行 main
spec.loader.exec_module(gmc)

CAT = gmc.CAT
print(f'{"系列":7s} {"变体":>6s} {"模板一致":>9s} {"失败":>6s}  反例')
print('-' * 74)
allok = True
for code in sorted(gmc.SAFE):
    if code not in gmc.TEMPLATES:
        continue
    tpl, _ = gmc.TEMPLATES[code]
    rows = list(csv.DictReader(io.open(os.path.join(CAT, 'csv', code + '.csv'), encoding='utf-8-sig')))
    ok = fail = 0
    bad = []
    for r in rows:
        prm = {k: v for k, v in r.items() if k not in ('model_code', 'step_file')}
        got = gmc.render(tpl, prm)
        if got == r['model_code']:
            ok += 1
        else:
            fail += 1
            if len(bad) < 3:
                bad.append(f'{r["model_code"]} -> 渲染"{got}"')
    flag = '' if fail == 0 else '   <-- 模板有误!'
    if fail:
        allok = False
    print(f'{code:7s} {len(rows):6d} {ok:9d} {fail:6d}  {bad[0] if bad else ""}{flag}')

print()
print('结论:', '所有模板对已有型号 100% 复现 ✅' if allok else '存在模板错误, 不可用于生成新编码 ❌')