import { defer } from '@defer/client';

import { withEmailTemplate } from '../lib/utils/services/notification/template';
import { getTransporter } from '../lib/utils/services/notification/send';

// Send multiple emails
const sendEmails = async (
  emailParams: {
    from?: string;
    to: string;
    subject: string;
    content: string;
    isPersonalEmail?: boolean;
    replyTo?: string;
  }[]
) => {
  for (const emailParam of emailParams) {
    const { from, to, subject, content, isPersonalEmail, replyTo } = emailParam;

    try {
      const transporter = await getTransporter(isPersonalEmail);

      if (!transporter) {
        return;
      }

      const info = await transporter.sendMail({
        from: from || '"Best from ClassroomIO" <best@classroomio.com>', // sender address
        to, // list of receivers
        subject, // Subject line
        replyTo,
        html: withEmailTemplate(content) // html body
      });

      console.log('Message sent: %s', info.messageId);
    } catch (error) {
      console.error({ error });
    }
  }
};

export default defer(sendEmails);