import nodemailer from 'nodemailer' import errorHandlingHelper from "../../../utils/errorHandlingHelper" /** * Email shipping labels (DHL or DPD) as PDF attachments. * * Body: { * toEmail: string (required) * ccEmail?: string * subject?: string * carrier?: 'dhl' | 'dpd' (cosmetic — used in subject/body) * labels: Array<{ tracking_number: string; label_b64: string }> (required, 1+) * } */ interface LabelInput { tracking_number?: string label_b64?: string } const isValidEmail = (s: any) => typeof s === 'string' && /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(s.trim()) const buildHtml = (carrier: string, count: number, trackingNumbers: string[]) => { const c = (carrier || 'shipping').toUpperCase() const trackingList = trackingNumbers.map(t => `
  • ${t}
    • `).join('') return `

    ${c} Shipping Label${count > 1 ? 's' : ''}

    Attached you'll find ${count > 1 ? `${count} shipping labels` : 'the shipping label'} from ${c}.

    Tracking number${count > 1 ? 's' : ''}:

      ${trackingList}

    Sent automatically by LogShip ERP.

    ` } export default defineEventHandler(async (event) => { try { const body = await readBody(event) const toEmail = String(body.toEmail || '').trim() const ccEmail = body.ccEmail ? String(body.ccEmail).trim() : '' const carrier = String(body.carrier || '').toLowerCase() const labels: LabelInput[] = Array.isArray(body.labels) ? body.labels : [] if (!isValidEmail(toEmail)) { return { status: 400, message: 'A valid recipient email is required' } } if (ccEmail && !isValidEmail(ccEmail)) { return { status: 400, message: 'CC email is not valid' } } const validLabels = labels.filter(l => typeof l?.label_b64 === 'string' && l.label_b64.length > 0) if (validLabels.length === 0) { return { status: 400, message: 'No label PDFs provided' } } const trackingNumbers = validLabels.map(l => l.tracking_number || '—') const carrierTag = carrier ? carrier.toUpperCase() : 'LABEL' const attachments = validLabels.map((l, i) => ({ filename: `${carrierTag}-${l.tracking_number || `label-${i + 1}`}.pdf`, content: Buffer.from(l.label_b64 || '', 'base64'), contentType: 'application/pdf' })) const subject = String(body.subject || '').trim() || `${carrierTag} shipping label${validLabels.length > 1 ? 's' : ''} (${trackingNumbers.join(', ')})` const transporter = nodemailer.createTransport({ host: 'localhost', port: 25, secure: false, tls: { rejectUnauthorized: false } }) const emailOptions: any = { from: 'no-reply@logyou.de', to: toEmail, subject, html: buildHtml(carrier, validLabels.length, trackingNumbers), attachments } if (ccEmail) emailOptions.cc = ccEmail try { const info = await transporter.sendMail(emailOptions) return { status: 200, message: 'Label email sent', messageId: info?.messageId, attachments: validLabels.length } } catch (err: any) { console.error('[Label Email] Send error:', err) return { status: 500, message: `Failed to send email: ${err.message || err}` } } } catch (err: any) { return errorHandlingHelper(err?.data ?? err, err?.data ?? err) } })