'use server'

import nodemailer from 'nodemailer'
import { Attachment } from 'nodemailer/lib/mailer'

interface EmailParams {
  from: string
  to: string | string[]
  cc?: string | string[]
  subject: string
  content: string
  attachments?: Attachment[]
}

export async function sendEmail({ from, to, cc, subject, content, attachments }: EmailParams): Promise<void> {
  // Create a transporter using SMTP
  const transporter = nodemailer.createTransport({
    host: process.env.SMTP_HOST,
    port: Number(process.env.SMTP_PORT),
    secure: process.env.SMTP_SECURE === 'true',
    requireTLS: true,
    tls: { rejectUnauthorized: false },
  })

  // Email options
  const mailOptions = {
    from,
    to: Array.isArray(to) ? to.join(', ') : to,
    cc: cc ? (Array.isArray(cc) ? cc.join(', ') : cc) : undefined,
    subject,
    html: content,
    attachments: attachments || [],
  }

  try {
    // Send email
    await transporter.sendMail(mailOptions)
  } catch (error) {
    console.error('Error sending email:', error)
    throw new Error('Failed to send email')
  }
}