"""Telegram Bot 消息发送（同步、带超时；失败不抛异常，返回 False）。"""

from __future__ import annotations

import logging

import requests

logger = logging.getLogger("monitor.telegram")

API_BASE = "https://api.telegram.org/bot{token}/sendMessage"


def send_message(bot_token: str, chat_id: str, text: str) -> bool:
    """发送一条消息。配置缺失或失败时记日志并返回 False。"""
    if not bot_token or not chat_id:
        logger.warning("Telegram 未配置（bot_token/chat_id 为空），跳过发送: %s", text[:60])
        return False
    try:
        resp = requests.post(
            API_BASE.format(token=bot_token),
            json={"chat_id": chat_id, "text": text},
            timeout=10,
        )
        if resp.status_code == 200:
            logger.info("Telegram 消息已发送（%d 字符）", len(text))
            return True
        logger.error("Telegram 发送失败 status=%s body=%s", resp.status_code, resp.text[:200])
    except requests.RequestException as exc:
        logger.error("Telegram 请求异常: %s", exc)
    return False