eHealthAfrica/direct-delivery-dashboard

'use strict'

angular.module('mailer')
  .service('mandrillService', function ($http, $q) {
    function EMail () {
      var self = this
      self.to = []

      this.setHTML = function (html) {
        self.html = html
      }

      this.setText = function (msgBody) {
        self.text = msgBody
      }

      this.setSubject = function (subject) {
        self.subject = subject
      }

      this.setSender = function (email, name) {
        self.from_email = email
        self.from_name = name
      }

      this.addRecipients = function (recipients) {
        self.to = self.to.concat(recipients)
      }

      this.addRecipient = function (recipient) {
        if (angular.isArray(recipient)) {
          self.to.concat(recipient)
        } else {
          self.to.push(recipient)
        }
      }
    }

    var config = {}

    this.setConfig = function (cfg) {
      config = cfg
    }

    this.getConfig = function () {
      return config
    }

    this.Email = function () {
      return new EMail()
    }

    /**
     * Sample msg object
     *
     * var msg = {
     *            "html": "<p>HTML email body</p>",
     *            "text": "Email text body not required if you use html and will be overridden if you specify html",
     *            "subject": "Email Subject",
     *            "from_email": "Sender email",
     *            "from_name": "Sender's name",
     *            "to": [
     *                {
     *                    "email": "recipient@recipient.com",
     *                    "name": "Recipient Name",
     *                    "type": "to"
     *                }
     *            ]
     *    }
     *
     *
     * @see https://mandrillapp.com/api/docs/messages.JSON.html for complete Mandrill API
     * documentation
     *
     * @param msg
     * @returns {*}
     */
    this.send = function (msg) {
      var reqData = {
        'key': config.apiKey,
        'message': {
          'html': msg.html,
          'subject': msg.subject,
          'from_email': msg.from_email,
          'from_name': msg.from_name,
          'to': msg.to
        }
      }

      var reqOptions = {
        method: 'POST',
        url: config.apiUrl,
        data: reqData
      }
      return $http(reqOptions)
        .then(function (res) {
          var status = res.data[0].status
          if (status === 'invalid' || status === 'rejected') {
            return $q.reject(res.data)
          }
          return res.data
        })
    }
  })