#!/usr/bin/env python3
"""
邮件通知 API 路由
"""

import os
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from flask import jsonify, request
from utils import log_message


def register_email_routes(app):
    """注册邮件通知相关路由"""
    
    @app.route('/api/email/send', methods=['POST'])
    def api_email_send():
        """发送邮件通知"""
        data = request.get_json()
        log_message(f"📨 收到邮件请求: {data}")
        if not data:
            log_message(f"❌ 无效数据: content-type={request.content_type}")
            return jsonify({'error': '无效数据'}), 400
        
        to_email = data.get('to')
        subject = data.get('subject')
        body = data.get('body')
        
        if not to_email or not subject or not body:
            log_message(f"❌ 缺少参数: to={to_email}, subject={subject}, body_len={len(body) if body else 0}")
            return jsonify({'error': '缺少必要参数'}), 400
        
        try:
            # SMTP配置 (从环境变量或默认值)
            smtp_host = os.environ.get('SMTP_HOST', 'mail.tphai.com')
            smtp_port = int(os.environ.get('SMTP_PORT', 587))
            smtp_user = os.environ.get('SMTP_USER', 'hz4th_coder@tphai.com')
            smtp_pass = os.environ.get('SMTP_PASS', 'hz4th_coder@!')
            
            log_message(f"📧 准备发送邮件: to={to_email}, subject={subject}, user={smtp_user}")
            
            # 创建邮件（完全对齐 send_email.py 的方式）
            from email.utils import formataddr, formatdate
            msg = MIMEMultipart()
            msg['From'] = formataddr(('黄庄4号程序员', smtp_user))
            msg['To'] = to_email
            msg['Subject'] = subject
            msg['Date'] = formatdate(localtime=True)
            
            # 添加正文
            msg.attach(MIMEText(body, 'plain', 'utf-8'))
            
            # 发送邮件（无SSL模式，完全对齐 send_email.py）
            server = smtplib.SMTP(smtp_host, smtp_port)
            server.ehlo()
            server.login(smtp_user, smtp_pass)
            # 使用 sendmail 而非 send_message，与已验证成功的脚本一致
            server.sendmail(smtp_user, [to_email], msg.as_string())
            server.quit()
            
            log_message(f"✅ 邮件发送成功: {subject} -> {to_email}")
            
            return jsonify({'message': '邮件发送成功'})
        except Exception as e:
            log_message(f"❌ 邮件发送失败: {e}")
            return jsonify({'error': str(e)}), 500