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 delay = ms => new Promise(resolve => setTimeout(resolve, ms));

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

(async () => {

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

  const syncDate = luxon.DateTime.now().toFormat("yyyy-MM-dd");
  
  const screenshotDirectory = path.join(__dirname, `screenshots/psw/${syncDate}`);
  
    if (!fs.existsSync(screenshotDirectory)) {
      fs.mkdirSync(screenshotDirectory, { recursive: true });
    }


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

    
  // launch browser and open page
    const chromeProfilePath = path.resolve(
      __dirname,
      config[environment]["chrome_profile_path"]
    );
    const browser = await puppeteer.launch(
      utils.getBrowserConfig(chromeProfilePath, environment)
    );
    const page = await browser.newPage();
    await page.setViewport({
      width: 1600,
      height: 900,
    });
  
    // Inject CSS to show the cursor
    await page.evaluate(() => {
      const style = document.createElement("style");
      style.innerHTML = "* { cursor: auto !important; }";
      document.head.appendChild(style);
    });

    await page.goto("https://www.google.com", {
        waitUntil: "domcontentloaded",
        timeout: 0
    });

    // wait for 3 sec
    console.log("Waiting 3 sec and taking screenshot");
    await new Promise((resolve) => setTimeout(resolve, 3 * 1000));

    // take screenshot
    let screenshotPath = path.join(
        screenshotDirectory,
        `${luxon.DateTime.now().toMillis()}.png`
    );

    await page.screenshot({ path: screenshotPath, fullPage: true });

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

  // wait for 3 sec
  console.log("Waiting 3 sec and taking screenshot.");
  await new Promise((resolve) => setTimeout(resolve, 3 * 1000));

  // take screenshot
  screenshotPath = path.join(
    screenshotDirectory,
    `${luxon.DateTime.now().toMillis()}.png`
  );
  await page.screenshot({ path: screenshotPath, fullPage: true });

  await page.waitForSelector("tbody tr.ItemStyle", { timeout: 30000 });

  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()
    };
  });
});

// wait for 3 sec
console.log("Waiting 3 sec and taking screenshot..");
await new Promise((resolve) => setTimeout(resolve, 3 * 1000));

// take screenshot
screenshotPath = path.join(
    screenshotDirectory,
    `${luxon.DateTime.now().toMillis()}.png`
);

await page.screenshot({ path: screenshotPath, fullPage: true });

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}`);

console.log("Waiting 5 sec and taking screenshot before closing browser...");
// wait for 5 sec
await new Promise((resolve) => setTimeout(resolve, 5 * 1000));

// take screenshot
screenshotPath = path.join(
    screenshotDirectory,
    `${luxon.DateTime.now().toMillis()}.png`
);

await page.screenshot({ path: screenshotPath, fullPage: true });

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

})();