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正念浏览控制 (Ctrl+M)

提醒你保持正念，控制浏览网站的时间。按Ctrl+M查看设置。

// ==UserScript==
// @name         正念浏览控制 (Ctrl+M)
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  提醒你保持正念，控制浏览网站的时间。按Ctrl+M查看设置。
// @author       KQ yang
// @match        *://*/*
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // 默认配置
    const DEFAULT_CONFIG = {
        startHour: 12,
        endHour: 14,
        restrictedSites: {},
        messageStyle: "background-color: white; font-size:48px; color: #333; text-align: center; padding-top: 30vh;"
    };

    let CONFIG = JSON.parse(localStorage.getItem('mindfulnessConfig')) || DEFAULT_CONFIG;

    // 添加样式
    function addStyles() {
        const styleSheet = document.createElement("style");
        styleSheet.textContent = `
            .mindfulness-panel {
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                background: white;
                padding: 20px;
                border-radius: 10px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.2);
                z-index: 999999;
                min-width: 300px;
                font-family: sans-serif;
            }

            .mindfulness-panel h2 {
                font-size: 24px;
                text-align: center;
                margin-bottom: 20px;
                color: #333;
            }

            .mindfulness-panel input[type="number"] {
                width: 50px;
                padding: 8px;
                margin-top: 10px;
                border: 1px solid #ddd;
                border-radius: 5px;
                font-size: 16px;
            }

            .mindfulness-panel .button-group {
                display: flex;
                justify-content: space-evenly;
                margin-top: 20px;
            }

            .mindfulness-panel button {
                padding: 8px 15px;
                border: none;
                border-radius: 5px;
                background-color: #4CAF50;
                color: white;
                font-size: 14px;
                cursor: pointer;
            }

            .mindfulness-panel button.cancel {
                background-color: #f44336;
            }

            .mindfulness-panel button:hover {
                opacity: 0.8;
            }
        `;
        document.head.appendChild(styleSheet);
    }

    // 创建配置面板
    function createConfigPanel() {
        const panel = document.createElement('div');
        panel.className = 'mindfulness-panel';
        const currentHost = window.location.hostname;
        const isRestricted = CONFIG.restrictedSites[currentHost];

        panel.innerHTML = `
            <h2>正念设置</h2>
            <div>当前网站: ${currentHost}</div>
            <div>
                <label>限制网站: 
                    <input type="checkbox" id="restrictSite" ${isRestricted ? 'checked' : ''}>
                </label>
            </div>
            <div>
                <label>访问时间：</label>
                <input type="number" id="startHour" value="${CONFIG.startHour}" min="0" max="23"> - 
                <input type="number" id="endHour" value="${CONFIG.endHour}" min="0" max="23">
            </div>
            <div class="button-group">
                <button id="saveConfig">保存</button>
                <button class="cancel" id="cancelConfig">取消</button>
            </div>
        `;

        panel.querySelector('#saveConfig').addEventListener('click', saveConfiguration);
        panel.querySelector('#cancelConfig').addEventListener('click', () => panel.remove());
        document.body.appendChild(panel);
    }

    // 保存配置
    function saveConfiguration() {
        const panel = document.querySelector('.mindfulness-panel');
        const currentHost = window.location.hostname;

        CONFIG.startHour = parseInt(panel.querySelector('#startHour').value);
        CONFIG.endHour = parseInt(panel.querySelector('#endHour').value);
        CONFIG.restrictedSites[currentHost] = panel.querySelector('#restrictSite').checked;

        localStorage.setItem('mindfulnessConfig', JSON.stringify(CONFIG));
        panel.remove();

        checkAndApplyRestriction();
    }

    // 检查并应用访问限制
    function checkAndApplyRestriction() {
        const currentHost = window.location.hostname;

        if (!CONFIG.restrictedSites[currentHost]) {
            return;
        }

        const now = new Date();
        const hours = now.getHours();
        if (hours < CONFIG.startHour || hours >= CONFIG.endHour) {
            document.body.innerHTML = `
                <div style="${CONFIG.messageStyle}">
                    <h1>亲爱的自己</h1>
                    <p>请回归正念，暂时离开此页面。</p>
                    <p>该站点仅可在 ${CONFIG.startHour}:00 - ${CONFIG.endHour}:00 之间访问。</p>
                </div>
            `;
        }
    }

    // 监听快捷键
    document.addEventListener('keydown', function(e) {
        if (e.ctrlKey && e.key.toLowerCase() === 'm') {
            e.preventDefault();
            createConfigPanel();
        }
    });

    // 初始化
    addStyles();
    checkAndApplyRestriction();
})();