from pyrogram.errors import BadRequest
from telegram import Update
from telegram.ext import CallbackContext

from config import config
from logger import Log
from plugins.base import BasePlugins
from service import BaseService


class Help(BasePlugins):
    def __init__(self, service: BaseService):
        super().__init__(service)
        self.help_png = None
        self.file_id = None

    async def command_start(self, update: Update, _: CallbackContext) -> None:
        message = update.message
        user = update.effective_user
        Log.info(f"用户 {user.full_name}[{user.id}] 帮助命令")
        if self.file_id is None or config.DEBUG:
            help_png = await self.service.template.render('bot', "help.html", {}, {"width": 768, "height": 768})
            reply_photo = await message.reply_photo(help_png, filename=f"help.png", allow_sending_without_reply=True)
            photo = reply_photo.photo[0]
            self.file_id = photo.file_id
        else:
            try:
                await message.reply_photo(self.file_id, allow_sending_without_reply=True)
            except BadRequest as error:
                self.file_id = None
                Log.error("发送图片失败，尝试清空已经保存的file_id，错误信息为 \n", error)
                await message.reply_text("发送图片失败", allow_sending_without_reply=True)