package com.product.admin.util.email;

import java.io.IOException;

import com.product.admin.config.CmnConst;
import org.springframework.beans.factory.annotation.Value;

import com.product.core.entity.FieldSetEntity;
import com.product.core.exception.BaseException;
import com.sendgrid.Content;
import com.sendgrid.Email;
import com.sendgrid.Mail;
import com.sendgrid.Method;
import com.sendgrid.Request;
import com.sendgrid.Response;
import com.sendgrid.SendGrid;

public class SendGridSendEmail {
	
	@Value("${sendGrid.mail.user}")
	private static String sendGridUser;

	@Value("${sendGrid.mail.key}")
	private static String sendGridKey;

	/**
	 * SendGrid发送邮件
	 * @param addressInfo	收件人信息
	 * @throws BaseException 
	 */
	public static void sendMail(FieldSetEntity fseMailInfo) throws BaseException {
		
		
		//发件人，即配置的发件人邮箱地址
		Email from = new Email(sendGridUser);
		//收件人邮件地址
		Email to = new Email(fseMailInfo.getString("addressee"));
		//邮件主题
		String subject =fseMailInfo.getString("mail_title");
		//邮件内容
		Content content=null;
		if(fseMailInfo.getString(CmnConst.MAIN_CONTENT).indexOf("</html>")>-1) {
			content = new Content("text/html", fseMailInfo.getString(CmnConst.MAIN_CONTENT));
		}else {
			content = new Content("text/plain", fseMailInfo.getString(CmnConst.MAIN_CONTENT));
		}
		Mail mail = new Mail(from, subject, to, content);
		try {
			String apiKey = sendGridKey;
			SendGrid sg = new SendGrid(apiKey);
			Request request = new Request();
			request.setMethod(Method.POST);
			request.setEndpoint("mail/send");
			request.setBody(mail.build());
			Response response = sg.api(request);
			int statCode=response.getStatusCode();
			if(statCode<200 || statCode>=300) {	//发送失败!
				fseMailInfo.setValue(CmnConst.SEND_STAT, 2);
			}else {	//发送成功
				fseMailInfo.setValue(CmnConst.SEND_STAT, 1);
			}
		} catch (IOException ex) {
			fseMailInfo.setValue(CmnConst.SEND_STAT, 2);
			fseMailInfo.setValue("failure_reason", ex.getStackTrace());
		}
		fseMailInfo.setValue("smtp_username", sendGridUser);
		fseMailInfo.setValue("smtp_license_code", sendGridKey);
	}
}