const puppeteer = require("puppeteer");
const luxon = require("luxon");
const fs = require("fs");
const path = require("path");
const dotenv = require("dotenv").config({ path: __dirname + "/.env" });

const utils = require("./utils");

(async () => {

    console.log(
    `===========< STARTED  ${utils.getPakistanStandardTime(
      luxon.DateTime.now()
    )}  >=========`
  );


   /**
   * loading config data
   */
  const config = JSON.parse(fs.readFileSync(__dirname + "/config.json"));
  const environment = process.env["ENVIRONMENT"];

    
  const browser = await puppeteer.launch({
    headless: "new",
    args: ["--no-sandbox", "--disable-setuid-sandbox"]
  });

  const page = await browser.newPage();

  await page.goto(
  config[environment].psw_url,
  {
    waitUntil: "domcontentloaded",
    timeout: 0 
  }
);

  await page.waitForSelector("tbody tr.ItemStyle");

  const data = await page.evaluate(() => {
  const rows = document.querySelectorAll(
    "tbody tr.ItemStyle, tbody tr.AlternatingItemStyle"
  );

  return Array.from(rows).map(row => {
    const cells = row.querySelectorAll("td");

    const finNo =
      cells[0]?.querySelector("label")?.innerText.trim() ||
      cells[0]?.innerText.trim();

    return {
      financialInstrumentNo: finNo,
      date: cells[1]?.innerText.trim(),
      authorizedDealer: cells[2]?.innerText.trim(),
      consigneeName: cells[3]?.innerText.trim(),
      invoiceValue: cells[4]?.innerText.trim(),
      currency: cells[6]?.innerText.trim(),
      status: cells[7]?.innerText.trim(),
      balance: cells[8]?.innerText.trim()
    };
  });
});

const jsonDir = path.join(config[environment].psw_fi_invoices_path, "data/unprocessed");

fs.mkdirSync(jsonDir, { recursive: true });

const outputFile = path.join(jsonDir, `${luxon.DateTime.now().toMillis()}.json`);
fs.writeFileSync(outputFile, JSON.stringify(data, null, 2));
console.log(`Saved JSON to ${outputFile}`);



await page.close();
  await browser.close();
})();