"""Cookie 管理模块

处理 Cookie 的导入、转换和持久化。
"""

import json
from pathlib import Path
from typing import List, Dict, Any


def parse_json_cookies(json_path: str) -> str:
    """从 JSON 文件解析 Cookie 为字符串格式

    支持 Chrome Cookie Editor 导出的 JSON 格式:
    [{"name": "z_c0", "value": "xxx", "domain": ".zhihu.com"}, ...]

    Args:
        json_path: JSON 文件路径

    Returns:
        Cookie 字符串，格式: "name1=value1; name2=value2"

    Raises:
        ValueError: JSON 格式无效或文件不存在
    """
    path = Path(json_path)
    if not path.exists():
        raise ValueError(f"Cookie file not found: {json_path}")

    try:
        with open(path, 'r', encoding='utf-8') as f:
            cookies = json.load(f)
    except json.JSONDecodeError as e:
        raise ValueError(f"Invalid JSON format: {e}")

    if not isinstance(cookies, list):
        raise ValueError("Expected JSON array")

    # 过滤知乎域名，转换为 name=value 格式
    zhihu_cookies = []
    for c in cookies:
        if not isinstance(c, dict):
            continue
        domain = c.get('domain', '')
        if 'zhihu.com' in domain:
            name = c.get('name', '')
            value = c.get('value', '')
            if name and value:
                zhihu_cookies.append(f"{name}={value}")

    return '; '.join(zhihu_cookies)