import os
from typing import Optional

import aiofiles
from bs4 import BeautifulSoup
from telegram import Update
from telegram.ext import CallbackContext

from core.plugin import Plugin, handler
from utils.log import logger

__all__ = ("HelpRawPlugin",)


class HelpRawPlugin(Plugin):
    def __init__(self):
        self.help_raw: Optional[str] = None

    async def initialize(self):
        file_path = os.path.join(os.getcwd(), "resources", "bot", "help", "help.jinja2")
        async with aiofiles.open(file_path, mode="r", encoding="utf-8") as f:
            html_content = await f.read()
        soup = BeautifulSoup(html_content, "html.parser")
        commands = []
        command_div = soup.find_all("div", class_="command")
        for div in command_div:
            command_name_div = div.find("div", class_="command-name")
            command_description_div = div.find("div", class_="command-description")
            if command_name_div and command_description_div:
                command_name_div_text = command_name_div.text.strip()
                if command_name_div_text.startswith(r"@{{bot_username}}"):
                    command_name_div_text = command_name_div_text.replace(
                        r"@{{bot_username}}", self.application.telegram.bot.name
                    )
                commands.append(f"{command_name_div_text} - {command_description_div.text.strip()}")
        if commands:
            self.help_raw = "\n".join(commands)

    @handler.command(command="help_raw", block=False)
    async def start(self, update: Update, _: CallbackContext):
        message = update.effective_message
        self.log_user(update, logger.info, "发出 help_raw 命令")

        if self.help_raw is None:
            await self.initialize()
        if self.help_raw is None:
            await message.reply_text("出错了呜呜呜~派蒙没有找到任何帮助信息")
            return
        await message.reply_text(self.help_raw, allow_sending_without_reply=True)