// ==UserScript==
// @name Custom Google Homepage
// @namespace https://greasyfork.org/users/1129625
// @version 2.1
// @description Customize the Google homepage by adding buttons, a color changer feature, and social media buttons.
// @match *://www.google.com/*
// @grant none
// @license MIT
// @downloadURL none
// ==/UserScript==

(function() {
  'use strict';

  // Remove the Advertising, Business, and How Search works div
  var adBusinessDiv = document.querySelector('div[data-sfe="true"]');
  if (adBusinessDiv) {
    adBusinessDiv.remove();
  }

  // Find the Google Apps button
  var appsButton = document.querySelector('a.gb_d');
  if (appsButton) {
    // Create the color changer button
    var changeColorButton = createColorChangerButton();
    changeColorButton.style.marginRight = '10px';
    changeColorButton.style.cursor = 'pointer';

    // Replace the Google Apps button with the color changer button
    appsButton.parentNode.replaceChild(changeColorButton, appsButton);
  }

  // Find the About button
  var aboutButton = document.querySelector('a[href*="about.google"]');
  if (aboutButton) {
    // Replace the About button with the YouTube button
    var youtubeButton = createButton('YouTube', 'https://www.youtube.com');
    aboutButton.parentNode.replaceChild(youtubeButton, aboutButton);
  }

  // Find the Store button
  var storeButton = document.querySelector('a[href*="store.google.com"]');
  if (storeButton) {
    // Replace the Store button with the Twitch button and color wheel
    var twitchButton = createButtonWithColorWheel('Twitch', 'https://www.twitch.tv');
    storeButton.parentNode.replaceChild(twitchButton, storeButton);
  }

  // Find the Images button
  var imagesButton = document.querySelector('a[href*="google.com/imghp"]');
  if (imagesButton) {
    // Replace the Images button with the Discord button
    var discordButton = createButton('Discord', 'https://www.discord.com');
    imagesButton.parentNode.replaceChild(discordButton, imagesButton);
  }

  // Create the Reddit button
  var redditButton = createButton('Reddit', 'https://www.reddit.com');
  redditButton.style.marginRight = '10px';
  redditButton.style.cursor = 'pointer';

  // Create the Twitter button
  var twitterButton = createButton('Twitter', 'https://www.twitter.com');
  twitterButton.style.marginRight = '10px';
  twitterButton.style.cursor = 'pointer';

  // Create the Instagram button
  var instagramButton = createButton('Instagram', 'https://www.instagram.com');
  instagramButton.style.marginRight = '10px';
  instagramButton.style.cursor = 'pointer';

  // Create the Facebook button
  var facebookButton = createButton('Facebook', 'https://www.facebook.com');
  facebookButton.style.marginRight = '10px';
  facebookButton.style.cursor = 'pointer';

  // Create the Random Number button
  var randomNumberButton = createRandomNumberButton();
  randomNumberButton.style.marginRight = '10px';
  randomNumberButton.style.cursor = 'pointer';

  // Create the New Fact button
  var newFactButton = createNewFactButton();
  newFactButton.style.marginRight = '10px';
  newFactButton.style.cursor = 'pointer';

  // Find the color wheel container
  var colorWheelContainer = document.querySelector('div[style="margin-right: 10px;"]');
  if (colorWheelContainer) {
    // Insert the Reddit button after the color wheel container
    colorWheelContainer.parentNode.insertBefore(redditButton, colorWheelContainer.nextSibling);

    // Insert the Twitter button after the Reddit button
    redditButton.parentNode.insertBefore(twitterButton, redditButton.nextSibling);

    // Insert the Instagram button after the Twitter button
    twitterButton.parentNode.insertBefore(instagramButton, twitterButton.nextSibling);

    // Insert the Facebook button after the Twitter button
    twitterButton.parentNode.insertBefore(facebookButton, instagramButton.nextSibling);

    // Insert the Random Number button after the Facebook button
    facebookButton.parentNode.insertBefore(randomNumberButton, facebookButton.nextSibling);

    // Insert the New Fact button after the Random Number button
    randomNumberButton.parentNode.insertBefore(newFactButton, randomNumberButton.nextSibling);
  }

  // Function to create a button element
  function createButton(text, url) {
    var button = document.createElement('a');
    button.textContent = text;
    button.href = url;
    button.style.marginRight = '10px';
    button.style.cursor = 'pointer';
    return button;
  }

  // Function to create a button element with a color wheel
  function createButtonWithColorWheel(text, url) {
    var buttonContainer = document.createElement('div');
    buttonContainer.style.display = 'flex';
    buttonContainer.style.alignItems = 'center';

    var button = document.createElement('a');
    button.textContent = text;
    button.href = url;
    button.style.marginRight = '10px';
    button.style.cursor = 'pointer';

    var colorWheelContainer = document.createElement('div');
    colorWheelContainer.style.marginRight = '10px';

    var colorWheel = document.createElement('input');
    colorWheel.type = 'color';
    colorWheel.addEventListener('input', function(event) {
      document.body.style.backgroundColor = event.target.value;
    });

    colorWheelContainer.appendChild(colorWheel);

    buttonContainer.appendChild(button);
    buttonContainer.appendChild(colorWheelContainer);

    return buttonContainer;
  }

  // Function to create the Color Changer button
  function createColorChangerButton() {
    var button = document.createElement('button');
    button.textContent = 'Change Color';
    button.style.marginRight = '10px';
    button.style.cursor = 'pointer';
    button.addEventListener('click', function() {
      var color = prompt(
        "Select a color:\n1. Blue\n2. Red\n3. Green\n4. Yellow\n5. Purple\n6. Orange\n7. Pink\n8. Teal\n9. Gray\n10. Brown\n11. SkyBlue\n12. Cyan\n13. Magenta\n14. Lime\n15. Indigo\n16. Olive\n17. Silver\n18. Maroon\n19. Navy\n20. Custom Color"
      );

      if (color !== null) {
        switch (color) {
          case "1":
            document.body.style.backgroundColor = "blue";
            break;
          case "2":
            document.body.style.backgroundColor = "red";
            break;
          case "3":
            document.body.style.backgroundColor = "green";
            break;
          case "4":
            document.body.style.backgroundColor = "yellow";
            break;
          case "5":
            document.body.style.backgroundColor = "purple";
            break;
          case "6":
            document.body.style.backgroundColor = "orange";
            break;
          case "7":
            document.body.style.backgroundColor = "pink";
            break;
          case "8":
            document.body.style.backgroundColor = "teal";
            break;
          case "9":
            document.body.style.backgroundColor = "gray";
            break;
          case "10":
            document.body.style.backgroundColor = "brown";
            break;
          case "11":
            document.body.style.backgroundColor = "skyblue";
            break;
          case "12":
            document.body.style.backgroundColor = "cyan";
            break;
          case "13":
            document.body.style.backgroundColor = "magenta";
            break;
          case "14":
            document.body.style.backgroundColor = "lime";
            break;
          case "15":
            document.body.style.backgroundColor = "indigo";
            break;
          case "16":
            document.body.style.backgroundColor = "olive";
            break;
          case "17":
            document.body.style.backgroundColor = "silver";
            break;
          case "18":
            document.body.style.backgroundColor = "maroon";
            break;
          case "19":
            document.body.style.backgroundColor = "navy";
            break;
          case "20":
            showCustomColor();
            break;
          default:
            alert("Invalid selection. Please choose a valid option.");
        }
      }
    });

    return button;
  }

  // Function to show the custom color prompt
  function showCustomColor() {
    var customColor = prompt(
      "Enter a custom color (HEX or RGB):"
    );
    if (customColor !== null) {
      document.body.style.backgroundColor = customColor;
    }
  }

  // Function to create the Random Number button
  function createRandomNumberButton() {
    var button = document.createElement('button');
    button.textContent = 'Random Number';
    button.style.marginRight = '10px';
    button.style.cursor = 'pointer';
    button.addEventListener('click', function() {
      var randomNumber = Math.floor(Math.random() * 101);
      alert('Random Number: ' + randomNumber);
    });

    return button;
  }

  // Function to create the New Fact button
  function createNewFactButton() {
    var button = document.createElement('button');
    button.textContent = 'New Fact';
    button.style.marginRight = '10px';
    button.style.cursor = 'pointer';
    button.addEventListener('click', function() {
      var currentDay = new Date().getDate();
      var fact = getFactOfTheDay(currentDay);
      alert('Fact of the Day: ' + fact);
    });

    return button;
  }

  // Function to get the fact of the day based on the current day
  function getFactOfTheDay(day) {
    var facts = [
      'The Earth is the third planet from the Sun.',
      'Water covers about 71% of the Earth\'s surface.',
      'The Great Wall of China is visible from space.',
      'The human body is made up of approximately 60% water.',
      'The speed of light is approximately 299,792,458 meters per second.',
      'The largest ocean on Earth is the Pacific Ocean.',
      'The Eiffel Tower is located in Paris, France.',
      'The Statue of Liberty was a gift from France to the United States.',
      'The Mona Lisa was painted by Leonardo da Vinci.',
      'The planet Mars is also known as the "Red Planet".'
      // Add more facts here
    ];

    // Get the fact corresponding to the current day
    var factIndex = (day - 1) % facts.length;
    return facts[factIndex];
  }
})();