# app/utils/email_utils.py
import os
from email.message import EmailMessage
import aiosmtplib
from dotenv import load_dotenv
import asyncio

load_dotenv()

SMTP_HOST = os.getenv("SMTP_HOST", "smtp.qiye.aliyun.com")
SMTP_PORT = int(os.getenv("SMTP_PORT", 465))
SMTP_USER = os.getenv("SMTP_USER", "noreply@yourdomain.com")
SMTP_PASS = os.getenv("SMTP_PASS", "your_password")


async def send_html_email(
        to_email: str,
        subject: str,
        html_content: str,
        sender_name: str = "AI 新闻",
        sender_email: str = None
) -> bool:
    """底层纯异步发送邮件工具"""
    # 如果未指定发送者邮箱，默认使用环境配置中的认证邮箱
    if sender_email is None:
        sender_email = SMTP_USER

    message = EmailMessage()
    # 动态拼接 From 字段
    message["From"] = f"{sender_name} <{sender_email}>"
    message["To"] = to_email
    message["Subject"] = subject

    # 设定内容为 HTML
    message.set_content(html_content, subtype="html")

    try:
        await aiosmtplib.send(
            message,
            hostname=SMTP_HOST,
            port=SMTP_PORT,
            username=SMTP_USER,
            password=SMTP_PASS,
            use_tls=True,
        )
        return True
    except Exception as e:
        print(f"邮件发送至 {to_email} 失败: {str(e)}")
        return False