package com.yssh.service;

import com.yssh.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

/**
 * 邮件服务类
 *
 * @author www
 * @date 2024-03-21
 */
@Service
public class EmailService {
    @Value("${email.userName}")
    private String userName;

    @Value("${email.password}")
    private String password;

    @Value("${email.smtpHost}")
    private String smtpHost;

    @Value("${email.smtpPort}")
    private String smtpPort;

    @Value("${email.smtpAuth}")
    private String smtpAuth;

    @Value("${email.smtpTls}")
    private String smtpTls;

    @Value("${email.from}")
    private String from;

    @Value("${email.to}")
    private String to;

    @Value("${email.cc}")
    private String cc;

    protected final Logger logger = LoggerFactory.getLogger(this.getClass());

    public Session createSession() {
        // 创建一个配置文件，并保存
        Properties props = new Properties();

        // SMTP服务器连接信息：126—smtp.126.com，163—smtp.163.com，qq-smtp.qq.com"
        props.put("mail.smtp.host", smtpHost); // SMTP主机名
        props.put("mail.smtp.port", smtpPort); // 主机端口号：126—25，163—645，qq-587
        props.put("mail.smtp.auth", smtpAuth); // 是否需要用户认证
        props.put("mail.smtp.starttls.enale", smtpTls); // 启用TlS加密

        Session session = Session.getInstance(props, new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(userName, password);
            }
        });

        // 控制台打印调试信息
        session.setDebug(true);

        return session;
    }

    public Boolean send(String title, String text) {
        try {
            // 创建Session会话
            Session session = createSession();

            // 创建邮件对象
            MimeMessage message = new MimeMessage(session);
            message.setSubject(title);
            message.setText(text);
            message.setFrom(new InternetAddress(from));
            message.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(to));
            //message.setRecipients(Message.RecipientType.CC, new InternetAddress[] {new  InternetAddress("抄送人邮箱")});
            if (!StringUtils.isEmpty(cc)) {
                String[] strs = cc.split(",");
                InternetAddress[] ias = new InternetAddress[strs.length];
                for (int i = 0, c = strs.length; i < c; i++) {
                    ias[i] = new InternetAddress(strs[i]);
                }
                message.setRecipients(Message.RecipientType.CC, ias);
            }

            // 发送
            Transport.send(message);

            return true;
        } catch (Exception ex) {
            logger.error(ex.getMessage(), ex);
            return false;
        }
    }
}