// ==UserScript==
// @name         nodeseek论坛美化
// @description  nodeseek论坛美化，支持多种背景主题切换
// @author       kitawa
// @version      0.2
// @match        https://www.nodeseek.com/*
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// @license      MIT
// @namespace    http://tampermonkey.net/
// @run-at      document-start
// @downloadURL https://update.greasyfork.icu/scripts/535744/nodeseek%E8%AE%BA%E5%9D%9B%E7%BE%8E%E5%8C%96.user.js
// @updateURL https://update.greasyfork.icu/scripts/535744/nodeseek%E8%AE%BA%E5%9D%9B%E7%BE%8E%E5%8C%96.meta.js
// ==/UserScript==

// 配置项
const CONFIG = {
    TRANSITION_DELAY: 200, // 页面显示延迟时间（毫秒）
    TRANSITION_DURATION: 500, // 过渡动画持续时间（毫秒）
};

// 初始化页面隐藏样式（防止闪烁）
(function hookBody() {
    // 获取当前选中的背景索引（如果不存在，则默认为0）
    const savedBgIndex = GM_getValue('nodeseek_bg_index', 0);
    const bgClass = `bg${savedBgIndex + 1}`;

    // 创建一个样式表，包含淡入动画和背景预加载样式
    const initialHideStyle = document.createElement("style");
    initialHideStyle.textContent = `
    body {
        opacity: 0 !important;
        visibility: hidden !important;
    }

    body.script-ready {
        opacity: 1 !important;
        visibility: visible !important;
        transition: opacity ${CONFIG.TRANSITION_DURATION}ms ease;
    }
    `;

    // 单独创建一个预加载背景样式表，确保样式立即生效
    const preloadStyle = document.createElement("style");
    preloadStyle.id = "nodeseek-preload-style";

    // 为不同的背景类型创建不同的预加载样式
    if (bgClass === 'bg1') {
        preloadStyle.textContent = `
        html, body {
            background-attachment: fixed !important;
            background-image: radial-gradient(at 40% 20%, hsla(28,73%,62%,.5) 0px, transparent 50%),
            radial-gradient(at 80% 0%, hsla(215,93%,62%,.5) 0px, transparent 40%),
            radial-gradient(at 0% 50%, hsla(355,93%,62%,.5) 0px, transparent 70%),
            radial-gradient(at 80% 50%, hsla(340,73%,62%,.5) 0px, transparent 70%),
            radial-gradient(at 0% 100%, hsla(300,43%,62%,.6) 0px, transparent 50%),
            radial-gradient(at 80% 100%, hsla(260,73%,62%,.5) 0px, transparent 50%),
            radial-gradient(at 0% 0%, hsla(390,83%,62%,.5) 0px, transparent 50%) !important;
            background-size: 100% 100% !important;
        }
        `;
    } else if (bgClass === 'bg2') {
        preloadStyle.textContent = `
        html, body {
            background-attachment: fixed !important;
            background-image: radial-gradient(at 25% 20%, hsla(195, 80%, 65%, 0.5) 0px, transparent 50%),
            radial-gradient(at 75% 15%, hsla(235, 55%, 70%, 0.5) 0px, transparent 50%),
            radial-gradient(at 15% 60%, hsla(215, 55%, 60%, 0.5) 0px, transparent 50%),
            radial-gradient(at 85% 70%, hsla(180, 80%, 64%, 0.3) 0px, transparent 100%),
            radial-gradient(at 40% 90%, hsla(265, 50%, 68%, 0.5) 0px, transparent 150%),
            radial-gradient(at 60% 10%, hsla(345, 50%, 62%, 0.5) 0px, transparent 50%),
            radial-gradient(at 50% 50%, hsla(220, 50%, 66%, 0.5) 0px, transparent 50%) !important;
            background-size: 110% 100% !important;
        }
        `;
    } else if (bgClass === 'bg3') {
        preloadStyle.textContent = `
        html, body {
            background-attachment: fixed !important;
            background-color: rgba(200, 204, 208, 0.9) !important;
            background-image: none !important;
        }
        `;
    } else if (bgClass === 'bg4') {
        preloadStyle.textContent = `
        html, body {
            background-attachment: fixed !important;
            background-color: rgba(140, 180, 190, 0.5) !important;
        }
        `;
    }

    // 添加样式表到head
    document.head.appendChild(initialHideStyle);
    document.head.appendChild(preloadStyle);

    // 预先添加背景类到HTML元素
    document.documentElement.classList.add(bgClass);

    // 页面加载完成后监听body元素创建，添加背景类
    const observer = new MutationObserver((mutations) => {
        if (document.body) {
            document.body.classList.add(bgClass);
            observer.disconnect();
        }
    });

    observer.observe(document.documentElement, { childList: true, subtree: true });

    if (CONFIG.DEBUG) console.log('[平滑显示] 页面初始化隐藏样式和背景预加载已注入');
})();

(function () {
    'use strict';

    // 辅助函数：将驼峰命名转换为短横线命名
    function camelToKebab(str) {
        return str.replace(/[A-Z]/g, match => `-${match.toLowerCase()}`);
    }

    // 定义背景选项
    const backgroundOptions = [
        {
            id: 'bg1',
            name: '背景1',
            styles: {
backgroundImage: `
  radial-gradient(at 40% 20%, hsla(28,73%,62%,.5) 0px, transparent 50%),
  radial-gradient(at 80% 0%, hsla(215,93%,62%,.5) 0px, transparent 40%),
  radial-gradient(at 0% 50%, hsla(355,93%,62%,.5) 0px, transparent 70%),
  radial-gradient(at 80% 50%, hsla(340,73%,62%,.5) 0px, transparent 70%),
  radial-gradient(at 0% 100%, hsla(300,43%,62%,.6) 0px, transparent 50%),
  radial-gradient(at 80% 100%, hsla(260,73%,62%,.5) 0px, transparent 50%),
  radial-gradient(at 0% 0%, hsla(390,83%,62%,.5) 0px, transparent 50%)
`,
              backgroundSize: '100% 100% !important',
            }
        },
        {
            id: 'bg2',
            name: '背景2',
            styles: {
                backgroundImage: `radial-gradient(at 25% 20%, hsla(195, 80%, 65%, 0.5) 0px, transparent 50%),  /* 冷：湖蓝 */
                  radial-gradient(at 75% 15%, hsla(235, 55%, 70%, 0.5) 0px, transparent 50%),  /* 冷：紫蓝 */
                  radial-gradient(at 15% 60%, hsla(215, 55%, 60%, 0.5) 0px, transparent 50%),  /* 冷：亮蓝 */
                  radial-gradient(at 85% 70%, hsla(180, 80%, 64%, 0.3) 0px, transparent 100%),  /* 冷：青 */
                  radial-gradient(at 40% 90%, hsla(265, 50%, 68%, 0.5) 0px, transparent 150%),  /* 冷：深紫蓝 */
                  radial-gradient(at 60% 10%, hsla(345, 50%, 62%, 0.5) 0px, transparent 50%),  /* 暖：玫红（点缀） */
                  radial-gradient(at 50% 50%, hsla(220, 50%, 66%, 0.5) 0px, transparent 50%)`,
                backgroundSize: '110% 100%',
            }
        },
        {
            id: 'bg3',
            name: '背景3',
            styles: {
                backgroundColor: 'rgba(200, 204, 208, 0.9)',
                backgroundImage: 'none',
            }
        },
        {
            id: 'bg4',
            name: '背景4',
            styles: {
                backgroundColor: 'rgba(140, 180, 190, 0.5)',
            }
        }
    ];

    // 获取当前选中的背景索引（如果不存在，则默认为0）
    const currentBgIndex = GM_getValue('nodeseek_bg_index', 0);

    // 创建和插入基础样式（立即执行，不依赖DOM）
    const baseStyle = document.createElement('style');
    baseStyle.id = "nodeseek-base-style";
    baseStyle.type = 'text/css';
    baseStyle.innerHTML = `
.bg1, .bg2, .bg3, .bg4 {
    background-attachment: fixed !important;
}

.bg1 {
    ${Object.entries(backgroundOptions[0].styles).map(([key, value]) => `${camelToKebab(key)}: ${value};`).join('\n    ')}
}

.bg2 {
    ${Object.entries(backgroundOptions[1].styles).map(([key, value]) => `${camelToKebab(key)}: ${value};`).join('\n    ')}
}

.bg3 {
    ${Object.entries(backgroundOptions[2].styles).map(([key, value]) => `${camelToKebab(key)}: ${value};`).join('\n    ')}
}

.bg4 {
    ${Object.entries(backgroundOptions[3].styles).map(([key, value]) => `${camelToKebab(key)}: ${value};`).join('\n    ')}
}

/* 背景切换器样式 */
.bg-switcher {
    position: fixed;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 15px;
    z-index: 9999;
    padding: 15px 8px;
    border-radius: 30px !important;
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0);
    transition: all 0.3s ease;
    opacity: 1;
    flex-direction: column;
    align-items: center;
}

.bg-switcher:hover {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.4);
}

.bg-option {
	width: 10px;
	height: 10px;
	border-radius: 50% !important;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
}

.bg-option:hover {
    transform: scale(1.2);
}

.bg-option.active {
    outline: 1px solid #ffffff;
    background: #63CA56 !important;
}

.bg-option::after {
    content: attr(title);
    position: absolute;
    top: -5px;
    right: 10%;
    transform: translateX(0%) scale(0);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 10px;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.bg-option:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

#bg-option-3, #bg-option-2, #bg-option-1, #bg-option-0 {
    background: rgba(0, 0, 0, 0.20);
}

/*-------主页----------*/
:root {
    --bg-main-color: rgba(255, 255, 255, 0.5);
}

a {
    color: #333;
}

header {
	box-shadow: none !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

#nsk-head {
	height: 50px;
}

header .beta-icon {
	color: rgba(0, 0, 0, 0.5);
}

#nsk-head .nav-menu {
	font-weight: bold !important;
}

.pure-form input[type="color"], .pure-form input[type="date"], .pure-form input[type="datetime-local"], .pure-form input[type="datetime"], .pure-form input[type="email"], .pure-form input[type="month"], .pure-form input[type="number"], .pure-form input[type="password"], .pure-form input[type="search"], .pure-form input[type="tel"], .pure-form input[type="text"], .pure-form input[type="time"], .pure-form input[type="url"], .pure-form input[type="week"], .pure-form select, .pure-form textarea {
	padding: 0.5em 0.6em;
	border: none;
	box-shadow: none;
	border-radius: 8px;
}

.topic-carousel-item[data-v-46eb9878] {
	border-bottom: none !important;
	padding-bottom: 15px !important;

}

.topic-carousel-panel[data-v-46eb9878] {
    min-height: 100px  !important;
}

.topic-carousel-index-item[data-v-46eb9878] {
	visibility: visible;
}

.nsk-badge.read-only {
	border-radius: 6px;
}

#nsk-body-left .sorter {
	background-color: transparent;
	border: 1px solid rgba(0, 0, 0, 0.8);
	border-radius: 6px;
	display: inline-flex;
	height: 22px;
	line-height: 22px;
}

#nsk-body-left .sorter > a {
	background-color: #fff;
}

#nsk-body-left .sorter > a.selected {
	background-color: #000;
	color: #fff;
}

#nsk-body-left .post-list .post-list-item .post-title {
    font-weight: 500;
    font-size: 14px;
    color: #333;
}

#nsk-body {
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.10);
}

#nsk-body-left .post-list .post-list-item {
    border-bottom: none;
    display: flex;
    margin: 10px 0;
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    padding: 15px;
    align-items: center;
    border: 1px solid rgba(255, 255, 255);
}

#nsk-body-left .post-list .post-list-item .post-category {
    background: rgba(0, 0, 0, 0.8);
    box-shadow: none;
    color: #fff;
    padding: 1px 10px;
    border-radius: 8px;
}

.nsk-content-meta-info .is-poster {
    border: 0px solid #00eaff;
    color: orangered;
}

.post-list-item:hover {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 12px;
}

.promotation-item img {
    border-radius: 10px !important;
}

.user-card .user-stat a[data-v-0f04b1f4] {
    color: #333;
    font-size: 12px;
    font-weight: 500;
}

#nsk-body-left .post-list .post-list-item .post-category {
    bottom: 30px;
}

.avatar-normal {
    box-shadow: none;
    border: 2px solid #000 !important;
    border-radius: 10px;
}

#nsk-body-left .post-list .post-list-item .post-list-content {
    margin-left: 10px;
    word-wrap: break-word;
    width: 600px;
}

.carousel-mask[data-v-46eb9878] {
	background: transparent;
}

footer {
	background-color: rgba(0, 0, 0, 0.6);
}

/*-------侧边栏----------*/
.new-discussion {
	margin-bottom: 0;
	width: 100%;
	height: 40px;
	line-height: 38px;
	border-radius: 10px;
	font-size: 15px;
}

.user-card .user-stat .stat-block div[data-v-0f04b1f4]:nth-last-child(n+2) {
	margin-bottom: 12px;
}

.user-card .user-stat[data-v-0f04b1f4] {
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255);
    border-radius: 10px !important;
    padding: 15px;
    display: flex;
    color: #333;
    margin: 5px 0 20px;
}

#nsk-right-panel-container .nsk-panel ul li:nth-last-child(n+2) {
    border-bottom: none;
}

#nsk-right-panel-container .nsk-panel ul li {
    height: 30px;
    line-height: 30px;
    padding-left: 10px;
}

#nsk-right-panel-container .nsk-panel {
    box-shadow: none !important;
    color: #333;
    border-radius: 10px !important;
    margin: 20px 0 20px;
    padding: 15px 10px !important;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255);
}

#nsk-right-panel-container > div.user-card > div.user-head > a > img {
    height: 60px;
    width: 60px;
    border: 3px solid #000 !important;
}

/*-------内页----------*/

.nsk-post-wrapper .content-item {
    border-bottom: none;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255);
    position: relative;
    background: rgba(255, 255, 255, 0.8);
    margin: 15px 0;
    border-radius: 10px;
}

.nsk-post-wrapper .floor-link-wrapper {
    position: absolute;
    right: 20px;
}

.comment-menu .menu-item[data-v-372de460] {
    color: #999;
    margin-right: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.signature a {
    color: #55b786;
    font-size: 12px;
}

.post-content blockquote {
	border-radius: 10px;
  border-left: none;
}

.post-content pre {
    background: #fae6873b;
    border: 4px solid #c2bb983b;
    border-radius: 10px;
    padding: 8px;
}

.nav-item-btn {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter:blur(20px);
    border: none;
    width: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.1), inset 0px 0px 15px 0px rgba(255, 255, 255, 0.5)  !important;
}

.nav-item-btn .iconpark-icon {
    height: 16px  !important;
    width: 16px  !important;
}

.nsk-pager .pager-pos.pager-cur {
    background-color: rgba(0, 0, 0, 0.8)!important;
    box-shadow: none;
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
}

.nsk-pager .pager-next, .nsk-pager .pager-pos, .nsk-pager .pager-prev {
    color: #333;
    font-size: 12px;
}

.nsk-pager a, .nsk-pager span {
   border: none;
    margin: 0 2px;
}

.triangle-left, .triangle-right {
    border-color: transparent transparent #555;
    border-width: 0 4px 8px;

}

.signature {
    border-top: 1px dashed #e2e2e2;
    padding-top: 5px;
}

.signature > * {
	margin: 2px;
    color: #666 !important;
    font-size: 12px !important;
    font-weight: 400 !important;
}

.signature a {
    color: #666 !important;
}

.nsk-content-meta-info .author-name {
	font-size: 14px;
	font-weight: 700 !important;
}

a, abbr, acronym, address, applet, big, caption, cite, dd, del, dfn, div, dl, dt, em, fieldset, font, form, html, iframe, img, ins, kbd, label, legend, li, object, ol, q, s, samp, small, span, strike, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, ul, var {
    font-style: normal;
}

.signature a:hover {
	color: #333;
}

.post-content a {
	color: #80bcbd;
}

.nsk-panel > div {
	padding: 15px 0 !important;
}

.post-content img {
    box-shadow: none;
    border-radius: 12px;
    border: 4px solid rgba(0, 0, 0, 0.2);
}

.post-content a[href^="/member?t="] {
	color: #51829b;
	font-style: normal;
}

.post-content code {
	background: #faf5df;
	padding: 0 3px;
	border: 1px solid rgb(232, 228, 208);
	border-radius: 4px;
}

/*-------回复----------*/

.md-editor[data-v-2664b64e] {
    margin: 30px 8px;
    border-radius: 5px;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
    background-color: var(--bg-sub-color);
    height: unset !important;
    border-radius: 8px;
    overflow: hidden;
}

/*-------个人主页----------*/
.head-container .avatar-wrapper .setting-icon {
	display: none;
}

.head-container .avatar[data-v-18f8c01b] {
	border: 4px solid rgba(0, 0, 0);
	border-radius: 20px;
}

.readme[data-v-18f8c01b] {
  box-shadow: none;
	background-color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
	border-radius: 12px;
}

.selector[data-v-18f8c01b] {
box-shadow: none;
	background-color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.head-container[data-v-18f8c01b] {
  box-shadow: none;
	background-color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.3);
}



`;
    document.documentElement.appendChild(baseStyle);

    // 设置初始背景样式
    const setInitialBackground = () => {
        if (document.body) {
            // 直接调用更新背景函数，确保和点击切换时使用相同的逻辑
            updateBackground(currentBgIndex);
            return true;
        }
        return false;
    };

    // 添加背景切换器
    const addBackgroundSwitcher = () => {
        if (document.body) {
            if (!document.querySelector('.bg-switcher')) {
                const bgSwitcher = document.createElement('div');
                bgSwitcher.className = 'bg-switcher';

                // 创建4个选项按钮
                backgroundOptions.forEach((option, index) => {
                    const bgOption = document.createElement('div');
                    bgOption.className = `bg-option ${index === currentBgIndex ? 'active' : ''}`;
                    bgOption.id = `bg-option-${index}`;
                    bgOption.setAttribute('title', option.name);

                    // 添加点击事件
                    bgOption.addEventListener('click', () => {
                        // 更新活动状态
                        document.querySelectorAll('.bg-option').forEach(opt => opt.classList.remove('active'));
                        bgOption.classList.add('active');

                        // 更新背景样式 (会自动保存到GM_setValue)
                        updateBackground(index);
                    });

                    bgSwitcher.appendChild(bgOption);
                });

                document.body.appendChild(bgSwitcher);
            }
            return true;
        }
        return false;
    };

    // 创建和管理动态样式表
    const createDynamicStyleSheet = (() => {
        let styleSheet = null;

        return () => {
            if (!styleSheet) {
                // 创建新的样式表元素
                const style = document.createElement('style');
                style.id = 'nodeseek-dynamic-style';
                document.head.appendChild(style);
                styleSheet = style.sheet;
            }
            return styleSheet;
        };
    })();

    // 更新背景样式
    const updateBackground = (index) => {
        // 获取目标背景选项
        const bgOption = backgroundOptions[index];

        // 1. 移除元素上的所有背景类
        document.body.classList.remove('bg1', 'bg2', 'bg3', 'bg4');
        document.documentElement.classList.remove('bg1', 'bg2', 'bg3', 'bg4');

        // 2. 添加新的背景类
        document.body.classList.add(bgOption.id);
        document.documentElement.classList.add(bgOption.id);

        // 3. 使用强制刷新来应用背景更改
        const styleSheet = createDynamicStyleSheet();

        // 清空现有规则
        while (styleSheet.cssRules.length > 0) {
            styleSheet.deleteRule(0);
        }

        // 添加新的样式规则
        const styleText = `
            body.${bgOption.id}, html.${bgOption.id} {
                ${Object.entries(bgOption.styles).map(([key, value]) => `${camelToKebab(key)}: ${value} !important;`).join('\n                ')}
                background-attachment: fixed !important;
            }
        `;

        styleSheet.insertRule(styleText, 0);

        // 4. 保存到本地存储，供下次页面切换使用
        GM_setValue('nodeseek_bg_index', index);

        // 5. 触发重绘
        void document.documentElement.offsetHeight;
    };

    // 初始化函数
    const init = () => {
        // 移除预加载样式
        const preloadStyle = document.getElementById('nodeseek-preload-style');
        if (preloadStyle) {
            preloadStyle.remove();
        }

        // 设置初始背景
        if (!setInitialBackground()) {
            const bodyObserver = new MutationObserver(() => {
                if (setInitialBackground()) {
                    bodyObserver.disconnect();
                }
            });
            bodyObserver.observe(document.documentElement, { childList: true, subtree: true });
        }

        // 添加背景切换器
        if (!addBackgroundSwitcher()) {
            const switcherObserver = new MutationObserver(() => {
                if (addBackgroundSwitcher()) {
                    switcherObserver.disconnect();
                }
            });
            switcherObserver.observe(document.documentElement, { childList: true, subtree: true });
        }

        // 页面准备完成，添加class使页面显示
        setTimeout(() => {
            document.body.classList.add('script-ready');
        }, CONFIG.TRANSITION_DELAY); // 使用配置的延迟时间
    };

    // 运行初始化
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();