#!/usr/bin/env python3
"""
QQ Bot API 直推脚本（备用推送方式）

当 hermes send 因 delivery context 跳过时使用。
直接从 ~/.hermes/.env 读取凭证，通过 QQ Bot API 发送 C2C 消息。

用法：
  python3 qq_push.py "消息内容"
  echo "消息" | python3 qq_push.py

凭证：从 ~/.hermes/.env 读取 QQ_APP_ID, QQ_CLIENT_SECRET, QQ_ALLOWED_USERS
"""

import os, sys, json, urllib.request

def read_env(path):
    """从 .env 文件读取变量"""
    creds = {}
    for line in open(path).read().splitlines():
        line = line.strip()
        if '=' in line and not line.startswith('#'):
            k, v = line.split('=', 1)
            creds[k.strip()] = v.strip().strip("'\"").strip('"')
    return creds

def send_qq_msg(msg, app_id, secret, openid):
    """通过 QQ Bot API 发送 C2C 消息"""
    # 1. 获取 access token
    token_data = json.dumps({
        'appId': app_id,
        'clientSecret': secret
    }).encode()
    req = urllib.request.Request(
        'https://bots.qq.com/app/getAppAccessToken',
        data=token_data,
        headers={'Content-Type': 'application/json'},
        method='POST'
    )
    resp = urllib.request.urlopen(req, timeout=15)
    token = json.loads(resp.read())['access_token']

    # 2. 发送消息
    body = json.dumps({'content': msg, 'msg_type': 0}).encode()
    req2 = urllib.request.Request(
        f'https://api.sgroup.qq.com/v2/users/{openid}/messages',
        data=body,
        headers={
            'Content-Type': 'application/json',
            'Authorization': f'QQBot {token}'
        },
        method='POST'
    )
    resp2 = urllib.request.urlopen(req2, timeout=15)
    result = json.loads(resp2.read())
    return result.get('id', 'unknown')

if __name__ == '__main__':
    msg = sys.argv[1] if len(sys.argv) > 1 else sys.stdin.read().strip()
    if not msg:
        print('Usage: qq_push.py "message"', file=sys.stderr)
        sys.exit(1)

    env = read_env(os.path.expanduser('~/.hermes/.env'))
    app_id = env.get('QQ_APP_ID', '')
    secret = env.get('QQ_CLIENT_SECRET', '')
    openid = env.get('QQ_ALLOWED_USERS', 'B1EF50442496D57C1B4F3890501C34C2')

    if not app_id or not secret:
        print('❌ QQ credentials not found in ~/.hermes/.env', file=sys.stderr)
        sys.exit(1)

    try:
        msg_id = send_qq_msg(msg, app_id, secret, openid)
        print(f'✅ Sent! msg_id: {msg_id}')
    except urllib.error.HTTPError as e:
        print(f'❌ HTTP {e.code}: {e.read().decode()[:200]}', file=sys.stderr)
        sys.exit(1)
    except Exception as e:
        print(f'❌ {e}', file=sys.stderr)
        sys.exit(1)