"""小红书 URL 常量和构建函数。"""

from urllib.parse import urlencode

# 基础页面
EXPLORE_URL = "https://www.xiaohongshu.com/explore"
HOME_URL = "https://www.xiaohongshu.com"
PUBLISH_URL = "https://creator.xiaohongshu.com/publish/publish?source=official"


def make_feed_detail_url(feed_id: str, xsec_token: str = "") -> str:
    """构建 feed 详情页 URL。xsec_token 为列表/详情接口返回的访问凭证，浏览器打开笔记页时仍需要。"""
    base = f"https://www.xiaohongshu.com/explore/{feed_id}"
    token = (xsec_token or "").strip()
    if not token:
        return base
    return f"{base}?xsec_token={token}&xsec_source=pc_feed"


def make_search_url(keyword: str) -> str:
    """构建搜索结果页 URL（与小红书搜索页当前 source 参数一致）。"""
    params = urlencode({"keyword": keyword, "source": "web_search_result_notes"})
    return f"https://www.xiaohongshu.com/search_result?{params}"


def make_user_profile_url(user_id: str, xsec_token: str = "") -> str:
    """构建用户主页 URL。"""
    base = f"https://www.xiaohongshu.com/user/profile/{user_id}"
    token = (xsec_token or "").strip()
    if not token:
        return base
    return f"{base}?xsec_token={token}&xsec_source=pc_note"