// ==UserScript==
// @name         Sort Videos by Like Count
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Sort videos by like count on a specified website
// @author       NoName
// @match        https://jable.tv/*
// @match        https://jable.tv

// @grant        none
// ==/UserScript==
(function() {
  'use strict';

  // Function to extract the like count from the sub-title element
  function getLikeCount(subTitleElement) {
      if (subTitleElement) {
          const textContent = subTitleElement.textContent.trim();
          console.log('Full text content:', textContent);

          // Extract all numbers from the text content
          const numbers = textContent.match(/\d+/g);
          if (numbers && numbers.length > 0) {
              const likeCount = parseInt(numbers[numbers.length - 1].replace(/\s/g, ''), 10);
              console.log('Parsed like count:', likeCount);
              return isNaN(likeCount) ? 0 : likeCount;
          }
      }
      return 0;
  }

  // Function to sort the videos within each parent div
  function sortVideosInParent(parent) {
      console.log('Sorting videos in parent:', parent);
      if (parent.classList.contains('owl-stage')) {
          sortCarouselVideos(parent);
          return;
      }

      const videos = Array.from(parent.children).map(item => {
          const v = item.matches('.video-img-box') ? item : item.querySelector('.video-img-box');
          if (!v) {
              return null;
          }

          const subTitle = item.querySelector('.sub-title');
          if (!subTitle) {
              return null;
          }

          const likeCount = getLikeCount(subTitle);
          console.log('Video element:', item, 'Like count:', likeCount);
          return { element: item, likeCount: likeCount };
      }).filter(video => video !== null);

      videos.sort((a, b) => b.likeCount - a.likeCount);

      videos.forEach(video => {
          parent.appendChild(video.element);
      });
  }

  function sortCarouselVideos(stage) {
      const groups = Array.from(stage.children).map(group => {
          const itemContainer = group.querySelector(':scope > .item');
          if (!itemContainer) {
              return null;
          }

          const cards = Array.from(itemContainer.querySelectorAll(':scope > .video-img-box'));
          if (cards.length === 0) {
              return null;
          }

          return { group, itemContainer, slotCount: cards.length, cards };
      }).filter(group => group !== null);

      const sortedCards = groups.flatMap(group => group.cards.map(card => {
          const subTitle = card.querySelector('.sub-title');
          if (!subTitle) {
              return null;
          }

          return { element: card, likeCount: getLikeCount(subTitle) };
      }).filter(card => card !== null)).sort((a, b) => b.likeCount - a.likeCount);

      if (sortedCards.length < 2) {
          return;
      }

      let index = 0;
      groups.forEach(group => {
          group.itemContainer.replaceChildren();
          for (let i = 0; i < group.slotCount && index < sortedCards.length; i += 1) {
              group.itemContainer.appendChild(sortedCards[index].element);
              index += 1;
          }
      });
  }

  function getSortableParent(videoBox) {
      const carouselStage = videoBox.closest('.owl-stage');
      if (carouselStage) {
          const sortableCards = carouselStage.querySelectorAll('.video-img-box .sub-title');
          if (sortableCards.length >= 2) {
              return carouselStage;
          }

          return null;
      }

      let current = videoBox;

      while (current && current.parentElement) {
          const parent = current.parentElement;
          const sortableChildren = Array.from(parent.children).filter(child => child.matches('.video-img-box') || child.querySelector('.video-img-box'));

          if (sortableChildren.length >= 2 && (current.matches('.video-img-box') || current.querySelector('.video-img-box'))) {
              return parent;
          }

          current = parent;
      }

      return null;
  }

  // Function to find all parent divs and sort their child videos
  function sortAllVideos() {
      const videoContainers = document.querySelectorAll('.video-img-box');
      const parents = new Set();

      videoContainers.forEach(v => {
          const parent = getSortableParent(v);
          if (!parent) {
              return;
          }

          console.log('Found parent:', parent);
          parents.add(parent);
      });

      parents.forEach(parent => {
          sortVideosInParent(parent);
      });
  }

  // Add a sort button after the element with class "inactive-color fs-2 mb-0"
  function addSortButton() {
      const targetElement = document.querySelector('.inactive-color.fs-2.mb-0');
      if (targetElement) {
          const sortItem = document.createElement('li');
          const sortLink = document.createElement('a');
          sortLink.href = '#';
          sortLink.textContent = '排序';
          sortLink.style.marginLeft = '10px';
          sortLink.addEventListener('click', function(event) {
              event.preventDefault();
              sortAllVideos();
          });
          sortItem.appendChild(sortLink);

          targetElement.parentNode.insertBefore(sortItem, targetElement.nextSibling);
          console.log('Sort button added after the target element');
      }
  }


  // Add CSS to override the preview thumb image container dimensions
  function addCustomStyles() {
      if (document.getElementById('tm-preview-thumb-style')) {
          return;
      }

      const style = document.createElement('style');
      style.id = 'tm-preview-thumb-style';
      style.textContent = `
          :root {
              --tm-preview-scale: 0.5;
          }

          .plyr__preview-thumb {
              position: absolute !important;
              left: 0px !important;
              bottom: 15px !important;
              top: auto !important;
              right: auto !important;
              transform: scale(var(--tm-preview-scale)) !important;
              transform-origin: bottom left !important;
              z-index: 99999 !important;
          }
      `;
      document.head.appendChild(style);
      console.log('Custom styles added for preview thumb image container');
  }

  // Run the sort function after the DOM content has loaded
  window.addEventListener('load', function() {
      addCustomStyles();
      addSortButton();
      sortAllVideos();
  })
})();