VTU Auto Player

Full Automation Tool for Modules in Online VTU
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// ==UserScript==
// @name         VTU Auto Player
// @namespace    http://tampermonkey.net/
// @version      9.0
// @description  Full Automation Tool for Modules in Online VTU
// @match        https://online.vtu.ac.in/*
// @grant        none
// @run-at       document-idle
// @license All Rights Reserved
// ==/UserScript==

(function () {
  'use strict';

  console.log("✅ VTU Automation Loaded");

  const SPEED = 2;
  window.LF_RUNNING = true;

  /***********************
   * YOUTUBE CONTROL
   ***********************/
  function getIframe() {
    return document.querySelector("iframe[src*='youtube']");
  }

  function sendCommand(func, args = []) {
    const iframe = getIframe();
    if (!iframe) {
      console.log("⏳ Waiting for YouTube iframe...");
      return;
    }

    iframe.contentWindow.postMessage(JSON.stringify({
      event: "command",
      func,
      args
    }), "*");
  }

  function setSpeed() {
    sendCommand("setPlaybackRate", [SPEED]);
  }

  function play() {
    sendCommand("playVideo");
  }

  /***********************
   * LECTURE DETECTION
   ***********************/
  function getLectures() {
    return Array.from(document.querySelectorAll(".cursor-pointer"))
      .filter(el => el.innerText.includes("Lecture"));
  }

  function isCurrent(el) {
    return el.innerText.includes("Playing");
  }

  function isCompleted(el) {
    return el.querySelector(".text-emerald-600") !== null;
  }

  function getCurrentLecture() {
    return getLectures().find(isCurrent);
  }

  /***********************
   * CLICK FIX
   ***********************/
  function clickLecture(el) {
    el.scrollIntoView({ behavior: "smooth", block: "center" });

    setTimeout(() => {
      el.dispatchEvent(new MouseEvent("click", { bubbles: true }));
    }, 800);
  }

  /***********************
   * NEXT LECTURE LOGIC
   ***********************/
  function goNext() {
    console.log("➡ Moving to next lecture...");

    const lectures = getLectures();
    let found = false;

    for (let lec of lectures) {
      if (found && !isCompleted(lec)) {
        clickLecture(lec);
        return;
      }

      if (isCurrent(lec)) {
        found = true;
      }
    }

    console.log("📦 Trying next week...");

    const weeks = document.querySelectorAll('[data-state="closed"] button');
    if (weeks.length > 0) {
      weeks[0].click();

      setTimeout(() => {
        const next = getLectures().find(l => !isCompleted(l));
        if (next) clickLecture(next);
      }, 2000);
    }
  }

  /***********************
   * DONATION POPUP (QR)
   ***********************/
  function showQR() {
      alert(`
⏳ You just saved hours of manual work.

Support = more features, better updates 🚀

Even ₹100 makes a difference ❤️

`);
    if (document.getElementById("lf-qr")) return;

    const div = document.createElement("div");
    div.id = "lf-qr";
    div.innerHTML = `
      <div style="
        position: fixed;
        top: 30%;
        left: 40%;
        background: white;
        padding: 20px;
        border-radius: 10px;
        z-index: 10000;
        text-align: center;
        box-shadow: 0 0 10px rgba(0,0,0,0.3);
      ">
        <p>Support ❤️</p>
        <img src="https://i.postimg.cc/rFZCCCWW/coffee.jpg" width="180">
        <br><br>
        <button id="lf-close" style="
        background: black;
        border-radius: 10px;
        z-index: 10000;
        width: 160px;
        font-family: Arial;
        color: red;
        ">Close</button>
      </div>
    `;

    document.body.appendChild(div);

    document.getElementById("lf-close").onclick = () => div.remove();
  }

  /***********************
   * UI PANEL
   ***********************/
  function createUI() {
    const panel = document.createElement("div");
    panel.innerHTML = `
      <div id="lf-panel">
        <h3>LectureFlow</h3>
        <button id="lf-toggle">Start</button>
        <button id="lf-donate">Donate ❤️</button>
        <p>Status: <span id="lf-status">OFF</span></p>
      </div>
    `;

    document.body.appendChild(panel);

    const style = document.createElement("style");
    style.innerHTML = `
      #lf-panel {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: #111;
        color: white;
        padding: 12px;
        border-radius: 10px;
        z-index: 9999;
        width: 160px;
        font-family: Arial;
      }

      #lf-panel button {
        width: 100%;
        margin-top: 6px;
        padding: 6px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
      }

      #lf-toggle {
        background: #22c55e;
        color: white;
      }

      #lf-donate {
        background: #f59e0b;
        color: black;
      }
    `;

    document.head.appendChild(style);

    let running = false;

    document.getElementById("lf-toggle").onclick = () => {
      running = !running;
      window.LF_RUNNING = running;

      document.getElementById("lf-status").innerText = running ? "ON" : "OFF";
      document.getElementById("lf-toggle").innerText = running ? "Stop" : "Start";
    };

    document.getElementById("lf-donate").onclick = showQR;
  }

  /***********************
   * MAIN LOOP
   ***********************/
  setInterval(() => {
  if (!window.LF_RUNNING) return;
    setSpeed();
    play();

    const current = getCurrentLecture();
    if (!current) return;

    if (isCompleted(current)) {
      goNext();
    }

  }, 3000);

  /***********************
   * INIT
   ***********************/
  createUI();

  // Show donation message once
  if (!localStorage.getItem("lf_donated_msg")) {
    setTimeout(() => {
      showQR();
      localStorage.setItem("lf_donated_msg", "1");
    }, 60000);
  }

})();