// ==UserScript==
// @name         类型明确的打印隐藏脚本 
// @namespace    http://tampermonkey.net/
// @version      0.9
// @description  优化混合类型规则数组的处理逻辑 目前只用于涂色集，简化图片打印自动旋转逻辑，类名添加专属前缀，旋转图片铺满打印区域
// @author       Your Name
// @match        *://tuseji.com/*
// @match        *://hongdou1fan.com/*
// @grant        none
// ==/UserScript==


(function () {
  'use strict';

  function injectStyle() {
    // 注入打印样式（移除margin和max-width，让旋转图片铺满）
    if (!document.getElementById('userscript-no-print-style')) {
      const style = document.createElement('style');
      style.id = 'userscript-no-print-style';
      style.textContent = `
            @media print {
                .userscript-no-print {
                    display: none !important;
                }
                /* 打印旋转样式：移除margin和max-width，铺满打印区域 */
                .userscript-print-rotate-90 {
                    transform: rotate(90deg) !important;
                    transform-origin: center !important;
                    width: 100% !important;
                    height: auto !important;
                }
            }
        `;
      document.head.appendChild(style);
    }
  }

  // 规则定义：保持不变
  const noPrintRules = {
    "https://tuseji.com/": [
      '#postMain span.tags,#postMain .postMeta,.related-posts,#footer,#header,#category,.floating-pagi',
      () => [...document.querySelectorAll('#postMain .entry p')].filter(p => !p.querySelector("img"))
    ],
    "https://hongdou1fan.com/": [
      '#postMain span.tags,#postMain .postMeta,.related-posts,#footer,#header,#category,.floating-pagi',
      () => [...document.querySelectorAll('#postMain .entry p')].filter(p => !p.querySelector("img"))
    ],
  };

  /**
   * 安全地为元素添加带前缀的no-print类
   */
  function addNoPrintClass(elements) {
    if (!elements) return;
    const elementArray = Array.isArray(elements)
      ? elements
      : elements instanceof NodeList
        ? Array.from(elements)
        : [elements];

    elementArray.forEach(el => {
      if (el?.nodeType === Node.ELEMENT_NODE && !el.classList.contains('userscript-no-print')) {
        el.classList.add('userscript-no-print');
      }
    });
  }

  /**
   * 处理选择器字符串
   */
  function handleSelector(selector) {
    if (typeof selector !== 'string' || !selector.trim()) return;
    addNoPrintClass(document.querySelectorAll(selector));
  }

  /**
   * 处理自定义函数
   */
  function handleCustomHandler(handler) {
    if (typeof handler !== 'function') return;
    try {
      addNoPrintClass(handler());
    } catch (error) {
      console.error('自定义处理器执行出错:', error);
    }
  }

  /**
   * 简化的图片旋转处理逻辑
   */
  function handleImageRotation() {
    const allImgs = document.querySelectorAll('img:not(.userscript-print-rotate-90)');
    if (!allImgs.length) return;

    Array.from(allImgs).forEach(img => {
      const isInNoPrint = img.closest('.userscript-no-print');
      if (!isInNoPrint) {
        img.classList.add('userscript-print-rotate-90');
      }
    });
  }

  function run() {
    const currentUrl = window.location.href;

    // 1. 先注入样式（全局执行）
    injectStyle();

    // 2. 处理no-print规则
    for (const [urlPattern, rule] of Object.entries(noPrintRules)) {
      if (currentUrl.includes(urlPattern) && Array.isArray(rule)) {
        const [selectors, customHandler] = rule;
        handleSelector(selectors);
        handleCustomHandler(customHandler);
        break;
      }
    }

    // 3. 把旋转逻辑移到for循环之外（全局执行）
    handleImageRotation();
  }

  // 页面加载完成后执行
  if (document.readyState === 'complete') {
    run();
  } else {
    window.addEventListener('load', run);
  }
})();