// ==UserScript==
// @name        r18.dev duplicate movie remover
// @namespace   Violentmonkey Scripts
// @match       https://r18.dev/videos/vod/movies/list/*
// @grant       none
// @version     1.12
// @author      Lukáš Kucharczyk
// @description Removes duplicate entries in the list of movies on r18.dev.
// @downloadURL https://git.kucharczyk.xyz/lukas/userscripts/raw/branch/main/r18dev_remove_duplicates.user.js
// @supportURL  https://git.kucharczyk.xyz/lukas/userscripts
// @run-at      document-idle
// ==/UserScript==

function filterVideos() {
  // Select all .video containers
  const videos = document.querySelectorAll('.video');
  
  // Only log if we find videos to avoid spamming console during observation
  if (videos.length > 0) {
    console.log(`Found videos: ${videos.length}`);
  }
  
  // Regex to match "Letters-Numbers" (e.g., AAA-111)
  const regex = /[a-zA-Z]+-[0-9]+/;
  let removedCount = 0; // Changed to 'let' so it can be incremented

  videos.forEach(video => {
    const label = video.querySelector('.video-label');
    
    // Safety check if label exists
    if (label) {
      const text = label.textContent.trim();
      const linkCount = label.querySelectorAll('a').length;
      
      // Remove if text doesn't match pattern OR label has more than 1 link
      if (!regex.test(text) || linkCount > 1) {
        video.remove();
        removedCount++;
      }
    }
  });

  if (removedCount > 0) {
    console.log(`Removed videos: ${removedCount}`);
  }
}

// 1. Run immediately in case elements are already there
filterVideos();

// 2. Set up a MutationObserver to handle dynamic content (AJAX/Infinite Scroll)
const observer = new MutationObserver((mutations) => {
  let shouldRun = false;
  // Check if nodes were actually added
  for (const mutation of mutations) {
    if (mutation.addedNodes.length) {
      shouldRun = true;
      break;
    }
  }
  
  if (shouldRun) {
    filterVideos();
  }
});

// Start observing the body for changes
observer.observe(document.body, {
  childList: true,
  subtree: true
});