import { NextResponse } from 'next/server' import { prisma } from '@/lib/prisma' export async function GET( request: Request, { params }: { params: Promise<{ id: string }> } ) { try { const { id } = await params const invoice = await prisma.invoice.findUnique({ where: { id }, include: { client: true, items: { include: { product: true, }, }, }, }) if (!invoice) { return NextResponse.json({ error: 'Invoice not found' }, { status: 404 }) } const storeSettings = await prisma.settings.findUnique({ where: { id: 'default' }, }) const html = generateInvoiceHTML(invoice, storeSettings) return new NextResponse(html, { headers: { 'Content-Type': 'text/html', }, }) } catch (error) { console.error('Error generating invoice:', error) return NextResponse.json({ error: 'Failed to generate invoice' }, { status: 500 }) } } function generateInvoiceHTML(invoice: any, settings: any) { const formatCurrency = (amount: number) => { return new Intl.NumberFormat('fr-MA', { style: 'currency', currency: 'MAD' }).format(amount) } const formatDate = (date: Date) => { return new Date(date).toLocaleDateString('fr-MA', { year: 'numeric', month: '2-digit', day: '2-digit' }) } const subtotal = invoice.items.reduce((sum: number, item: any) => sum + Number(item.total), 0) const tax = Number(invoice.tax) const discount = Number(invoice.discount) const total = Number(invoice.total) const paid = Number(invoice.paidAmount) const remaining = total - paid const itemsHTML = invoice.items.map((item: any, index: number) => ` ${index + 1} ${item.product.sku} ${item.product.name} ${item.quantity} ${formatCurrency(Number(item.unitPrice))} ${formatCurrency(Number(item.total))} `).join('') return ` Facture ${invoice.invoiceNumber}

${settings?.storeName || 'OptiCare'}

${settings?.address || ''}

${settings?.phone || ''}

${settings?.email || ''}

FACTURE

N°: ${invoice.invoiceNumber}

Date: ${formatDate(invoice.createdAt)}

Client

${invoice.client?.name || 'Client anonoyme'}

${invoice.client?.phone || ''}

${invoice.client?.email || ''}

${invoice.client?.address || ''}

Informations

Mode de paiement: ${invoice.paymentMethod || '-'}

Statut: ${invoice.status === 'PAID' ? 'PAYÉE' : 'EN ATTENTE'}

${itemsHTML}
# SKU Produit Qté Prix Unit. Total
Sous-total: ${formatCurrency(subtotal)}
TVA (${settings?.defaultTva || 10}%): ${formatCurrency(tax)}
${discount > 0 ? `
Remise: -${formatCurrency(discount)}
` : ''}
TOTAL: ${formatCurrency(total)}
${invoice.status === 'PENDING' ? `
Montant payé: ${formatCurrency(paid)}
Reste à payer: ${formatCurrency(remaining)}
` : ''}

${settings?.invoiceFooter || 'Merci pour votre confiance!'}

${settings?.storeName || 'OptiCare'} - Logiciel de gestion

` }