from nonebot.log import logger

import re
import httpx
import urllib.parse
from bs4 import BeautifulSoup

headers = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36"
}

async def get_async_data (url) :
    async with httpx.AsyncClient(timeout = None) as client:
        return await client.get(url, headers = headers)

async def introduce (msg : str) :
    logger.info(f"介绍 : \"{msg}\" ...")
    result = ""

    url = "https://mzh.moegirl.org.cn/" + urllib.parse.quote_plus(msg)
    response = await get_async_data(url)
    logger.success(f"连接\"{url}\"完成, 状态码 : {response.status_code}")

    soup = BeautifulSoup(response.text, "html.parser")

    # 正常页
    if response.status_code == 200 :
        """
            萌娘百科页面结构
            div#mw-content-text
            └── div#404search           # 空白页面出现
            └── div.mw-parser-output    # 正常页面
                └── div, p, table ...   # 大量的解释项
        """
        result += msg + "\n"

        img = soup.find("img", class_="infobox-image")
        if img:
            result += f"![ {msg} ]( {img["src"]} ) \n"

        div = soup.find("div", class_="mw-parser-output")
        if div:
            p_tags = div.find_all("p")
            num = 0
            for p_tag in p_tags:
                p = str(p_tag)
                p = re.sub(r"<script.*?</script>|<style.*?</style>", "", p, flags=re.DOTALL)
                p = re.sub(r"<.*?>", "", p, flags=re.DOTALL)
                p = re.sub(r"\[.*?]", "", p, flags=re.DOTALL)

                if p != "":
                    result += str(p)

                    num += 1
                    if num >= 20:
                        break
        return result

    # 空白页
    elif response.status_code == 404 :
        logger.info(f"未找到\"{msg}\", 进行搜索")

        from . import mg_Search
        context = await mg_Search.search(msg, 1)
        keyword = re.search(r".*?\n", context, flags = re.DOTALL).group()[: -1]

        logger.success(f"搜索完成, 打开\"{keyword}\"")
        return await introduce(keyword)

    # 搜索失败
    elif response.status_code == 301 :
        return f"未找到{msg}"

    else :
        logger.error(f"网络错误, 状态码 : {response.status_code}")
        return f"网络错误, 状态码 : {response.status_code}"