package com.taobao.yugong.common.alarm;

import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import org.apache.commons.lang.StringUtils;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;

/**
 * 发送邮件进行报警
 *
 * @author agapple 2013-9-6 上午11:42:04
 * @since 1.0.0
 */
public class MailAlarmService extends AbstractAlarmService {

    private static final String TITLE      = "alarm_from_yugong";
    private JavaMailSender      mailSender;
    private String              emailUsername;
    private String              emailPassword;
    private String              emailHost;
    private int                 stmpPort   = 465;
    private boolean             sslSupport = true;

    @Override
    public void start() {
        super.start();
        JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
        mailSender.setUsername(emailUsername);
        mailSender.setPassword(emailPassword);
        mailSender.setHost(emailHost);
        mailSender.setDefaultEncoding("UTF-8");
        Properties pros = new Properties();
        pros.put("mail.smtp.auth", true);
        pros.put("mail.smtp.timeout", 25000);
        pros.put("mail.smtp.port", stmpPort);
        pros.put("mail.smtp.socketFactory.port", stmpPort);
        pros.put("mail.smtp.socketFactory.fallback", false);
        if (sslSupport) {
            pros.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        }

        mailSender.setJavaMailProperties(pros);

        this.mailSender = mailSender;
    }

    public void sendAlarm(AlarmMessage data) {
        SimpleMailMessage mail = new SimpleMailMessage(); // 只发送纯文本
        mail.setText(data.getMessage());// 邮件内容
        mail.setSubject(TITLE);// 主题
        mail.setFrom(emailUsername);

        String receiveKeys[] = StringUtils.split(StringUtils.replace(data.getReceiveKey(), ";", ","), ",");
        List<String> address = new ArrayList<String>();
        for (String receiveKey : receiveKeys) {
            if (isEmailAddress(receiveKey)) {
                address.add(receiveKey);
            } else if (isMobileNumber(receiveKey)) {
                // do nothing
            }
        }

        if (address != null && !address.isEmpty()) {
            mail.setTo(address.toArray(new String[address.size()]));
            sendMail(mail);
        }
    }

    private void sendMail(SimpleMailMessage mail) {
        // 正确设置了账户/密码，才尝试发送邮件
        if (StringUtils.isNotEmpty(emailUsername) && StringUtils.isNotEmpty(emailPassword)) {
            mailSender.send(mail);
        }
    }

    public void setMailSender(JavaMailSender mailSender) {
        this.mailSender = mailSender;
    }

    public void setEmailHost(String emailHost) {
        this.emailHost = emailHost;
    }

    public void setEmailUsername(String emailUsername) {
        this.emailUsername = emailUsername;
    }

    public void setEmailPassword(String emailPassword) {
        this.emailPassword = emailPassword;
    }

    public void setStmpPort(int stmpPort) {
        this.stmpPort = stmpPort;
    }

    public void setSslSupport(boolean sslSupport) {
        this.sslSupport = sslSupport;
    }

}