const puppeteer = require('puppeteer');

const PDFMerger = require('pdf-merger-js');

const path = require("path");

const createPdf = async (pdfUrls, hostname) => {

try {

const browser = await puppeteer.launch({ args: ['--no-sandbox'] });

const page = await browser.newPage();

let files = [];

for (const url of pdfUrls) {

const pdfPath = `pdf/${url}.pdf`;

await page.goto(`${hostname}${url}`, {waitUntil: 'networkidle2', timeout: 0});

await page.pdf({

path: pdfPath,

format: 'Legal',

printBackground: true

});

files.push(pdfPath);

};

await browser.close();

return files;

} catch (error) {

console.log(error);

}

}

const mergePdf = async (pdfFiles, output) => {

const merger = new PDFMerger();

pdfFiles.forEach(pdf => {

merger.add(pdf);

});

await merger.save(output);

};

module.exports = {

createPdf,

mergePdf

}