import { NextRequest, NextResponse } from "next/server"; import puppeteer from "puppeteer"; // Ensure this route runs in the Node.js runtime (required for Puppeteer) export const runtime = "nodejs"; type PaperSize = { type?: "A4" | "Letter" | "Legal" | "Custom"; width?: number; height?: number; unit?: "mm" | "in"; }; export async function POST(req: NextRequest) { try { const body = await req.json(); const { htmlContent, paperSize, fileName, showLogoInHeader, startFromHalfPage, companyLogo, }: { htmlContent: string; paperSize?: PaperSize; fileName?: string; showLogoInHeader?: boolean; startFromHalfPage?: boolean; companyLogo?: string; } = body; if (!htmlContent) { return NextResponse.json( { message: "htmlContent is required" }, { status: 400 }, ); } const widthMm = paperSize?.width || 210; const heightMm = paperSize?.height || 297; const pageSizeCss = `${widthMm}mm ${heightMm}mm`; // Generate header HTML if logo should be shown const headerHtml = showLogoInHeader ? `

${companyLogo ? `

` : '

Company Logo

` : ''; // Generate spacer HTML if content should start from half page const spacerHtml = startFromHalfPage ? `

` : ''; const fullHtml = `

${headerHtml} ${spacerHtml}

${htmlContent}

`; const browser = await puppeteer.launch({ headless: "new", args: ["--no-sandbox", "--disable-setuid-sandbox"], }); const page = await browser.newPage(); await page.setContent(fullHtml, { waitUntil: "networkidle0" }); const pdfBuffer = await page.pdf({ printBackground: true, preferCSSPageSize: true, }); await browser.close(); return new NextResponse(pdfBuffer, { status: 200, headers: { "Content-Type": "application/pdf", "Content-Disposition": `inline; filename="${fileName || "document"}.pdf"`, }, }); } catch (error: any) { console.error("Error generating PDF:", error); return NextResponse.json( { message: "Failed to generate PDF" }, { status: 500 }, ); } }