#!/usr/bin/node

const fs = require("fs");
const path = require("path");
const yaml = require("yaml");

const puppeteer = require("puppeteer");
const pug = require("pug");

const cv = yaml.parse(fs.readFileSync("./cv.yaml", { encoding: "utf8" }));

function changeExt(filePath, new_) {
  parsed = path.parse(filePath);
  return path.join(parsed.dir, `${path.basename(parsed.name)}.${new_}`);
}

function createHtml(pug_file) {
  const rendered = pug.renderFile(pug_file, cv);
  const html_path = changeExt(pug_file, "html");

  fs.writeFile(html_path, rendered, (err) => {
    if (err) throw err;
  });
  console.log(`Wrote HTML file to ${html_path}`);
  return html_path;
}

async function printPDF(url) {
  const browser = await puppeteer.launch({ headless: "new" });
  const page = await browser.newPage();
  await page.goto(url, { waitUntil: "networkidle0" });
  const pdf = await page.pdf({ format: "A4" });

  await browser.close();
  return pdf;
}

function exportToPdf(htmlFile) {
  url = `file://${path.resolve(htmlFile)}`;
  pdf_path = changeExt(htmlFile, "pdf");

  printPDF(url).then((pdf) => {
    fs.writeFile(pdf_path, pdf, (err) => {
      if (err) throw err;
    });
    console.log(`Wrote PDF file to ${pdf_path}`);
  });
}

local_pug_path = "./resume.pug";
local_pdf_path = changeExt(local_pug_path, "pdf");

local_html_path = createHtml(local_pug_path);
exportToPdf(local_html_path);