import re, json

# 模拟后端实际返回的 error_report（根据用户截图重建）
raw = (
    "### 超声报告质控分析报告\n\n"
    "#### 🎯 综合评分：**60 分**\n\n"
    "#### 📝 详细建议清单：\n"
    "- **[严重错误]** 左膝关节髌骨、骨外侧错位；\n\n"
    "```json\n"
    '{\n  "score": 60,\n  "issues": [\n'
    '    {\n      "original": "左膝关节髌骨、骨外侧错位；",\n'
    '      "reason": "侧位冲突",\n      "suggestion": "修正为右膝",\n'
    '      "type": "严重错误"\n    }\n  ],\n'
    '  "corrected_fields": {"bSee": "右膝...", "bHint": "右膝..."}\n}\n'
    "```\n"
)

print("=== 原始字符串末尾 ===")
print(repr(raw[-100:]))

# 测试反引号字符编码
idx = raw.find("```json")
print(f"\n=== 反引号位置: {idx} ===")
if idx >= 0:
    print(f"字符编码: {[ord(c) for c in raw[idx:idx+7]]}")
    print(f"内容: {repr(raw[idx:idx+20])}")

# 测试正则匹配
pattern = r"```json[\s\S]*?```"
blocks = re.findall(pattern, raw)
print(f"\n=== Python正则找到 {len(blocks)} 个代码块 ===")
for i, b in enumerate(blocks):
    print(f"Block {i}: {repr(b[:80])}")

# 模拟JS的matchAll
import re
all_blocks = list(re.finditer(r"```json([\s\S]*?)```", raw))
print(f"\n=== finditer找到 {len(all_blocks)} 个 ===")
for m in all_blocks:
    try:
        parsed = json.loads(m.group(1).strip())
        print(f"解析成功: score={parsed.get('score')}, issues={len(parsed.get('issues',[]))}")
        for issue in parsed.get('issues', []):
            orig = issue.get('original', '')
            has_left = '左' in orig
            has_right = '右' in orig
            print(f"  orig={repr(orig)}, hasLeft={has_left}, hasRight={has_right}")
            if has_left:
                print(f"  -> 应高亮: '左'")
            if has_right:
                print(f"  -> 应高亮: '右'")
    except Exception as e:
        print(f"解析失败: {e}")

# 移除代码块后的文本
clean = re.sub(r"```json[\s\S]*?```", "", raw).strip()
print(f"\n=== 清理后文本 ===")
print(clean)