package com.ruoyi.web.controller.tool;

import lombok.extern.slf4j.Slf4j;

import javax.mail.*;
import javax.mail.internet.*;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;

@Slf4j
public class EmailUtils {

    public static void sendEmail(String userEmail, String sendEmail, String code, String content) throws Exception {
// 发送邮箱
        // 收件人电子邮箱,TODO 换成自己的收件箱
        String to = userEmail;
        // 发件人电子邮箱,TODO 换成自己的发件箱
        String from = sendEmail;
        // 指定发送邮件的主机为
        String host = "smtp.163.com";
        Properties properties = new Properties();
        properties.put("mail.smtp.host", host);
        properties.put("mail.smtp.socketFactory.port", "465");
        properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        properties.put("mail.smtp.auth", "true");
        properties.put("mail.smtp.port", "465");
        properties.put("mail.smtp.ssl.enable", "true"); // 明确开启SSL
        // 获取默认session对象
        Session session = Session.getDefaultInstance(properties,new Authenticator(){
            @Override
            public PasswordAuthentication getPasswordAuthentication()
            {
                //发件人邮件用户名、授权码，换成自己的发件箱及授权码
                return new PasswordAuthentication(from, code);
            }
        });

        try{
            // 创建默认的 MimeMessage 对象
            MimeMessage message = new MimeMessage(session);
            // Set From，设置发件人
            InternetAddress fromMail = new InternetAddress(from);
            //设置发件人名称，TODO 换成自己的发件箱
            fromMail.setPersonal(MimeUtility.encodeText("沿海市政<" + from + ">"));
            message.setFrom(fromMail);
            // Set To: 设置收件人
            InternetAddress toMail = new InternetAddress(to);
            // TODO 换成自己的收件箱
            InternetAddress toMail2 = new InternetAddress(to);
            //发多个邮箱
            Address[] allRecipients = {toMail, toMail2};
            message.setRecipients(Message.RecipientType.TO, allRecipients);
            // Set Subject: 邮件主体
            message.setSubject("沿海市政");
            // 设置消息体
            message.setSentDate(new Date());
            MimeMultipart msgMultipart = new MimeMultipart("mixed");

            // 指定为混合关系
            message.setContent(msgMultipart);
            // 邮件信息组装
            //组装的顺序非常重要，一定要先组装文本域，再组装文件
            MimeBodyPart htmlPart = new MimeBodyPart();
            // 组装内容
            htmlPart.setContent(content, "text/html;charset=UTF-8");
            msgMultipart.addBodyPart(htmlPart);
            try {
                message.saveChanges();
                //发送
                //Transport.send(message, message.getAllRecipients());
                Transport.send(message);
                System.out.println("发送成功");
            } catch (Exception e) {
                e.printStackTrace();
            }
        }catch (MessagingException | UnsupportedEncodingException mex) {
            mex.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}