import { Task, api, config} from "actionhero";
import nodemailer from 'nodemailer';

function emailValidator(p) {
  if (p.indexOf("@") < 0) {
    throw new Error("that is not an email address");
  }
}

export class SendEmail extends Task {

  settings: SendEmailSettings;
  transporter: any;

  constructor() {
    super();
    this.name = "sendEmail";
    this.description = "send a email";
    this.queue = "email";
    this.frequency = 0;
    this.inputs = {
      subject: { required: true},
      email: { required: true, validator: emailValidator },
      message: {required: true}
    };

    this.settings = config.shopifyMiddleware.emailTransporter;

    this.transporter = nodemailer.createTransport({
      service: 'gmail',
      auth: {
        user: this.settings.user,
        pass: this.settings.password
      }
    });

  }

  async run(params) {

    var mailOptions = {
      from: this.settings.fromEmail,
      to: params.email,
      subject: params.subject,
      text: params.message
    };

    this.transporter.sendMail(mailOptions, function(error, info){
      if (error) {
        api.log(error, "error");
      } else {
        api.log('Email sent: ' + info.response);
      }
    });
  }
}


interface SendEmailSettings {
  service: string;
  user: string;
  password: string;
  fromEmail: string;
}