/**
 * Created by bin.shen on 26/12/2016.
 */

var nodemailer = require("nodemailer");
var smtpTransport = require('nodemailer-smtp-transport');
var retry = require('retry');
var request = require('request');
var webshot = require('webshot');
var fs = require("fs");
var config = require('./config');

request('http://env.7drlb.com/report/user/5766a035f08504e7cd3fb33e/year/2016/month/11/view', function (error, response, body) {
    if (!error && response.statusCode == 200) {
        var filename = '5766a035f08504e7cd3fb33e_2016_11.png';
        webshot(body, filename, {
            renderDelay: 3000,
            siteType:'html',
            screenSize: {
                width: 1000,
                height: 2000
            },
            shotSize: {
                width: 1000,
                height: 'all'
            }
        }, function(err) {
            var filepath = __dirname + '/' + filename;
            var imageFile = fs.readFileSync(filepath);
            var send_email = function(email, subject, content, level) {
                var operation = retry.operation(config.retryOption);
                operation.attempt(function(currentAttempt) {
                    var to = email;
                    var html = '<img src="data:image/png;base64,' + imageFile.toString("base64") + '" width=1000 height=2000>';
                    var transport = nodemailer.createTransport(smtpTransport(config.smtpOption));
                    var mailOptions = {
                        from: config.smtpOption.auth.user,
                        to: to,
                        subject:subject,
                        html:html,
                        attachments: [{
                            path: filepath,
                            filename: filename,
                            content: content
                        }]
                    };
                    transport.sendMail(mailOptions, function(err, doc){
                        if (operation.retry(err)) {
                            return;
                        }
                    });
                });
            };

            send_email("it01@moral.org.cn", '七星博士环境监测月度统计表', '2016-11月度报告');
        });
    }
});