package email.internal;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.util.Date;
import java.util.Map;
import java.util.Properties;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;

import com.sun.mail.util.MailSSLSocketFactory;
import email.EmailPropertiesUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;

import email.sender.EmailMessage;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import kernel.util.StringUtils;

public class InternalEmailSenderServiceImpl implements InternalEmailSenderService, InitializingBean {
	private JavaMailSenderImpl mailSender;
	private static final Logger logger = LoggerFactory.getLogger(InternalEmailSenderServiceImpl.class);
	private SimpleMailMessage mailMessage;
	private FreeMarkerConfigurer freeMarkerConfigurer;

	@Override
	public void afterPropertiesSet() throws GeneralSecurityException {
		mailSender = new JavaMailSenderImpl();
		mailSender.setUsername(EmailPropertiesUtil.getProperty("email.username"));
		mailSender.setPassword(EmailPropertiesUtil.getProperty("email.password"));
		mailSender.setHost(EmailPropertiesUtil.getProperty("email.host"));
		Properties javaMailProperties = new Properties();
		javaMailProperties.setProperty("mail.smtp.port", "465");
		javaMailProperties.setProperty("mail.smtp.starttls.enable", "true");
		javaMailProperties.setProperty("mail.smtp.auth", "true");
		javaMailProperties.setProperty("mmail.debug", "true");
		javaMailProperties.setProperty("mail.smtp.host", "smtp.gmail.com");
		javaMailProperties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
		javaMailProperties.setProperty("mail.smtp.socketFactory.port", "465");
		MailSSLSocketFactory sf = new MailSSLSocketFactory("TLSv1.2");
		sf.setTrustAllHosts(true);
		javaMailProperties.put("mail.smtp.ssl.socketFactory",sf);
		javaMailProperties.setProperty("mail.smtp.ssl.portocols","TLSv1.2");
		mailSender.setJavaMailProperties(javaMailProperties);
		mailMessage = new SimpleMailMessage();
		mailMessage.setFrom(EmailPropertiesUtil.getProperty("email.from"));
		freeMarkerConfigurer = new FreeMarkerConfigurer();
		freeMarkerConfigurer.setTemplateLoaderPath("classpath:email/ftl");
		Properties settings = new Properties();
		settings.setProperty("template_update_delay", "1800");
		settings.setProperty("default_encoding", "UTF-8");
		settings.setProperty("locale", "zh_CN");
		freeMarkerConfigurer.setFreemarkerSettings(settings);
	}

	@Override
	public void send(EmailMessage emailMessage) {
		try {
			logger.info("-----进到邮件发送-----");
			MimeMessage mailMsg = this.mailSender.createMimeMessage();
			logger.info("----------邮件发送,接收邮箱："+emailMessage.getTomail()+"发送邮箱："+this.mailMessage.getFrom());
			MimeMessageHelper messageHelper = new MimeMessageHelper(mailMsg, true, "UTF-8");
			messageHelper.setTo(emailMessage.getTomail());// 接收邮箱
			messageHelper.setFrom(this.mailMessage.getFrom());// 发送邮箱
			messageHelper.setSentDate(new Date());// 发送时间
			messageHelper.setSubject(emailMessage.getSubject());// 邮件标题

			if (StringUtils.isNullOrEmpty(emailMessage.getFtlname())) {
				messageHelper.setText(emailMessage.getContent());// 邮件内容
			} else {
				messageHelper.setText(this.getMailText(emailMessage.getFtlname(), emailMessage.getMap()), true);// 邮件内容
			}
			logger.info("-----1111111-----");
			// true 表示启动HTML格式的邮件
			if (emailMessage.getFile() != null) {
				// 添加邮件附件
				FileSystemResource rarfile = new FileSystemResource(emailMessage.getFile());

				// addAttachment addInline 两种附件添加方式
				// 以附件的形式添加到邮件
				// 使用MimeUtility.encodeWord 解决附件名中文乱码的问题
				messageHelper.addAttachment(MimeUtility.encodeWord(emailMessage.getFilename()), rarfile);
			}
			logger.info("-----邮件开始发送-----开始");
			this.mailSender.send(mailMsg);// 发送
			logger.info("-----邮件开始发送-----成功");
		} catch (MessagingException e) {
			logger.error("邮件发送失败【MessagingException】"+e.getMessage(), e);
		} catch (UnsupportedEncodingException e) {
			logger.error("邮件发送失败【UnsupportedEncodingException】"+e.getMessage(), e);
		}catch (Exception e){
			logger.error("邮件发送失败【Exception】"+"邮件发送失败"+e.getMessage(), e);
		}

	}

	/**
	 * 获取模板并将内容输出到模板
	 * 
	 * @param content
	 * @return
	 */
	private String getMailText(String ftlname, Map<String, Object> map) {
		String html = "";

		try {

			// 装载模板
			Template tpl = this.freeMarkerConfigurer.getConfiguration().getTemplate(ftlname);
			// 加入map到模板中 输出对应变量
			html = FreeMarkerTemplateUtils.processTemplateIntoString(tpl, map);

		} catch (IOException e) {
			e.printStackTrace();
		} catch (TemplateException e) {
			e.printStackTrace();
		}
		return html;
	}

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

	public void setMailMessage(SimpleMailMessage mailMessage) {
		this.mailMessage = mailMessage;
	}

	public void setFreeMarkerConfigurer(FreeMarkerConfigurer freeMarkerConfigurer) {
		this.freeMarkerConfigurer = freeMarkerConfigurer;
	}

}