const fs = require("fs");
const readline = require("readline");
const { chromium } = require("playwright");

const START_URL = "https://watch.lifetimemovieclub.com/movies";
const OUTPUT_FILE = "lifetimemovieclub_urls.txt";

function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

function waitForEnter(message) {
  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
  });

  return new Promise((resolve) => {
    rl.question(message, () => {
      rl.close();
      resolve();
    });
  });
}

async function autoScroll(page, maxRounds = 30, pauseMs = 2500) {
  let lastCount = 0;

  for (let i = 0; i < maxRounds; i++) {
    await page.evaluate(() => window.scrollTo(0, document.body.scrollHeight));
    await sleep(pauseMs);

    const count = await page.locator('a[href*="/movies/"]').count();
    console.log(`Scroll round ${i + 1}: found ${count} matching links`);

    if (count <= lastCount) {
      console.log("No new links found. Stopping scroll.");
      break;
    }

    lastCount = count;
  }
}

(async () => {
  const browser = await chromium.launch({
    headless: false,
    slowMo: 50
  });

  const context = await browser.newContext();
  const page = await context.newPage();

  try {
    console.log(`Opening ${START_URL}`);
    await page.goto(START_URL, {
      waitUntil: "domcontentloaded",
      timeout: 60000
    });

    console.log("Log in in the browser window if needed.");
    await waitForEnter("When the full movies page is visible, press Enter here in PowerShell... ");

    await page.waitForTimeout(5000);

    console.log("Starting scroll...");
    await autoScroll(page);

    const urls = await page.$$eval('a[href*="/movies/"]', (anchors) => {
      return [...new Set(
        anchors
          .map(a => a.href)
          .filter(href => {
            try {
              const u = new URL(href);
              return (
                u.hostname === "watch.lifetimemovieclub.com" &&
                u.pathname.startsWith("/movies/") &&
                u.pathname !== "/movies"
              );
            } catch {
              return false;
            }
          })
      )].sort();
    });

    fs.writeFileSync(OUTPUT_FILE, urls.join("\n"), "utf8");
    console.log(`Saved ${urls.length} URLs to ${OUTPUT_FILE}`);
  } catch (err) {
    console.error("Error:", err.message);
  } finally {
    await browser.close();
  }
})();