/* jslint node: true */

'use strict';

var assert = require('assert'),
    debug = require('debug')('e2e:mailer'),
    postmark = require('postmark')(process.env.POSTMARK_API_KEY_TOOLS),
    util = require('util');

exports = module.exports = {
    sendMailToCloudronUser: sendMailToCloudronUser,
    sendEndToEndTestResult: sendEndToEndTestResult
};

function send(options, callback) {
    assert.strictEqual(typeof options, 'object');
    assert.strictEqual(typeof options.to, 'string');
    assert.strictEqual(typeof options.subject, 'string');
    assert.strictEqual(typeof options.text, 'string');

    debug('Sending email to %s with subject "%s".', options.to, options.subject);

    postmark.send({
        'From': options.from || 'no-reply@cloudron.io',
        'To': options.to,
        'Bcc': options.bcc,
        'Subject': options.subject,
        'TextBody': options.text,
        'HtmlBody': options.html,
        'Tag': 'Important'
    }, function (error, success) {
        if (error) {
            console.error('Unable to send via postmark: ', error);
            return callback(error);
        }

        callback();
    });
}

function sendEndToEndTestResult(topic, versionInfo, stdout, stderr, callback) {
    debug('Sending e2e test result for %s', topic);

    var mailOptions = {
        to: 'test@cloudron.io',
        subject: util.format('E2E test results for %s', topic),
        text: versionInfo + '\n\nstdout\n------\n' + stdout.toString('utf8') + '\n\nstderr\n------\n' + stderr.toString('utf8') + '\n\n'
    };

    send(mailOptions, callback);
}

function sendMailToCloudronUser(email, callback) {
    debug('Sending test mail to %s', email);

    var mailOptions = {
        to: email,
        subject: 'Hi from e2e test',
        text: 'I hope you get this. The release depends on you!'
    };

    send(mailOptions, callback);
}