package xin.merlin.myplayerbackend.service;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.MailException;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.stereotype.Service;

@Slf4j
@Service
@RequiredArgsConstructor
public class MailService {

    private final JavaMailSender mailSender;

    @Value("${spring.mail.username}")
    private String mail;

    public String sendMail(String receiver){
        try {
            String code = Double.toString(Math.random()).substring(2,8);
            SimpleMailMessage message = new SimpleMailMessage();
            message.setFrom(mail);
            message.setTo(receiver);
            message.setSubject("Welcome to use Merlin`s product");
            message.setText("欢迎使用Merlin.xin产品！ \n"+"您的验证码为："+code+"\n有效期五分钟，请勿泄露！");
            mailSender.send(message);
            return code;
        } catch (MailException e) {
            log.error("e: ", e);
            throw new RuntimeException(e);
        }
    }

    public Boolean sendTextMail(String receiver, String text){
        try {
            SimpleMailMessage message = new SimpleMailMessage();
            message.setFrom(mail);
            message.setTo(receiver);
            message.setSubject("Welcome to use Merlin`s product");
            message.setText("欢迎使用Merlin.xin产品！ \n"+text);
            mailSender.send(message);
            return true;
        } catch (MailException e) {
            log.error("e: ", e);
            throw new RuntimeException(e);
        }
    }
}