// ==UserScript==
// @name         中国机械工业出版社自动登录签到(终极版)
// @namespace    http://tampermonkey.net/
// @version      3.0
// @description  全自动登录中国机械工艺出版社并完成签到
// @author       Cumt-feng
// @match        http://www.cmpedu.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @grant        GM_addStyle
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function() {
    'use strict';

    // 添加样式
    GM_addStyle(`
        #cmpedu-config-dialog {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0,0,0,0.5);
            z-index: 9999;
            width: 300px;
        }
        #cmpedu-config-dialog h3 {
            margin-top: 0;
            color: #333;
        }
        #cmpedu-config-dialog label {
            display: block;
            margin: 10px 0 5px;
        }
        #cmpedu-config-dialog input {
            width: 100%;
            padding: 8px;
            box-sizing: border-box;
        }
        #cmpedu-config-dialog button {
            margin-top: 15px;
            padding: 8px 15px;
            background: #4CAF50;
            color: white;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }
        #cmpedu-config-dialog button:hover {
            background: #45a049;
        }
        #cmpedu-config-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 9998;
        }
        .cmpedu-status {
            position: fixed;
            bottom: 10px;
            right: 10px;
            background: #f8f8f8;
            padding: 10px;
            border-radius: 5px;
            box-shadow: 0 0 5px rgba(0,0,0,0.3);
            z-index: 9997;
            font-size: 12px;
            max-width: 300px;
        }
    `);

    // 配置存储键名
    const CONFIG_KEYS = {
        USERNAME: 'cmpedu_username',
        PASSWORD: 'cmpedu_password',
        AUTO_SIGNIN: 'cmpedu_auto_signin',
        LAST_SIGNIN: 'cmpedu_last_signin'
    };

    // 显示状态信息
    function showStatus(message, persist = false) {
        let statusEl = document.getElementById('cmpedu-status');
        if (!statusEl) {
            statusEl = document.createElement('div');
            statusEl.id = 'cmpedu-status';
            statusEl.className = 'cmpedu-status';
            document.body.appendChild(statusEl);
        }
        statusEl.textContent = message;
        console.log('中国教育出版网脚本:', message);
        
        if (!persist) {
            setTimeout(() => {
                if (statusEl.textContent === message) {
                    statusEl.textContent = '';
                }
            }, 5000);
        }
    }

    // 注册配置菜单
    GM_registerMenuCommand('配置中国教育出版网账号', showConfigDialog);

    // 显示配置对话框
    function showConfigDialog() {
        // 创建遮罩层
        const overlay = document.createElement('div');
        overlay.id = 'cmpedu-config-overlay';
        
        // 创建配置对话框
        const dialog = document.createElement('div');
        dialog.id = 'cmpedu-config-dialog';
        dialog.innerHTML = `
            <h3>中国教育出版网账号配置</h3>
            <label for="cmpedu-username">用户名:</label>
            <input type="text" id="cmpedu-username" value="${GM_getValue(CONFIG_KEYS.USERNAME, '')}">
            
            <label for="cmpedu-password">密码:</label>
            <input type="password" id="cmpedu-password" value="${GM_getValue(CONFIG_KEYS.PASSWORD, '')}">
            
            <label>
                <input type="checkbox" id="cmpedu-auto-signin" ${GM_getValue(CONFIG_KEYS.AUTO_SIGNIN, true) ? 'checked' : ''}>
                自动签到
            </label>
            
            <button id="cmpedu-save-config">保存配置</button>
        `;
        
        // 添加保存按钮事件
        dialog.querySelector('#cmpedu-save-config').addEventListener('click', saveConfig);
        
        // 添加点击遮罩层关闭对话框
        overlay.addEventListener('click', () => {
            document.body.removeChild(overlay);
            document.body.removeChild(dialog);
        });
        
        // 添加到页面
        document.body.appendChild(overlay);
        document.body.appendChild(dialog);
    }

    // 保存配置
    function saveConfig() {
        const username = document.getElementById('cmpedu-username').value;
        const password = document.getElementById('cmpedu-password').value;
        const autoSignin = document.getElementById('cmpedu-auto-signin').checked;
        
        GM_setValue(CONFIG_KEYS.USERNAME, username);
        GM_setValue(CONFIG_KEYS.PASSWORD, password);
        GM_setValue(CONFIG_KEYS.AUTO_SIGNIN, autoSignin);
        
        showStatus('账号配置已保存！');
        
        // 关闭对话框
        document.body.removeChild(document.getElementById('cmpedu-config-overlay'));
        document.body.removeChild(document.getElementById('cmpedu-config-dialog'));
    }

    // 检查登录状态
    function checkLoginStatus() {
        // 检查个人主页或个人中心链接
        const personalLink = document.querySelector('a[href="/blog/3067876/taokejian.htm"], a[href*="/user/index.htm"]');
        
        if (personalLink) {
            showStatus('检测到已登录状态');
            return true;
        }
        return false;
    }

    // 检查是否需要签到
    function checkNeedSignin() {
        const lastSigninDate = GM_getValue(CONFIG_KEYS.LAST_SIGNIN, '');
        const today = new Date().toDateString();
        
        if (lastSigninDate === today) {
            showStatus('今天已经签到过了');
            return false;
        }
        
        return GM_getValue(CONFIG_KEYS.AUTO_SIGNIN, true);
    }

    // 执行签到操作
    function performSignin() {
        if (!checkNeedSignin()) {
            return;
        }

        showStatus('正在尝试签到...', true);
        
        // 查找签到按钮
        const signinButton = document.querySelector('a.qiandao[href="javascript:void(0);"]');
        
        if (signinButton) {
            try {
                // 模拟点击签到按钮
                signinButton.click();
                
                // 记录签到日期
                GM_setValue(CONFIG_KEYS.LAST_SIGNIN, new Date().toDateString());
                
                // 检查签到结果
                setTimeout(() => {
                    // 这里可以根据实际签到成功的提示来改进检测逻辑
                    showStatus('签到成功！', true);
                }, 2000);
            } catch (e) {
                showStatus('签到出错: ' + e.message, true);
            }
        } else {
            showStatus('未找到签到按钮，可能已经签到过了', true);
        }
    }

    // 跳转到个人中心并签到
    function gotoPersonalCenterAndSignin() {
        if (window.location.pathname.includes('/user/index.htm')) {
            performSignin();
        } else {
            showStatus('正在跳转到个人中心...');
            window.location.href = '/user/index.htm';
        }
    }

    // 自动填充表单并登录函数
    function autoFillAndLogin() {
        const username = GM_getValue(CONFIG_KEYS.USERNAME, '');
        const password = GM_getValue(CONFIG_KEYS.PASSWORD, '');
        
        if (!username || !password) {
            showStatus('未配置账号信息，请点击油猴菜单配置账号', true);
            showConfigDialog();
            return;
        }

        const usernameField = document.getElementById("j_username");
        const passwordField = document.getElementById("j_password");
        const loginButton = document.getElementById("login_save");

        if (usernameField && passwordField && loginButton) {
            // 填充账号密码
            usernameField.value = username;
            passwordField.value = password;

            // 触发change事件
            usernameField.dispatchEvent(new Event('change', { bubbles: true }));
            passwordField.dispatchEvent(new Event('change', { bubbles: true }));

            showStatus("自动填充账号密码完成");

            // 点击登录按钮
            showStatus("正在登录...", true);
            loginButton.click();
            
            // 登录后检查状态
            setTimeout(() => {
                if (checkLoginStatus()) {
                    gotoPersonalCenterAndSignin();
                }
            }, 3000);
        } else {
            showStatus("未找到登录表单元素或登录按钮，等待中...");
            setTimeout(autoFillAndLogin, 1000);
        }
    }

    // 主执行函数
    function main() {
        showStatus('脚本启动，正在检查状态...');
        
        if (checkLoginStatus()) {
            // 已登录，直接尝试签到
            gotoPersonalCenterAndSignin();
        } else {
            // 未登录，尝试自动登录
            autoFillAndLogin();
        }
    }

    // 页面加载完成后执行
    if (document.readyState === "complete" || document.readyState === "interactive") {
        setTimeout(main, 1000);
    } else {
        window.addEventListener("DOMContentLoaded", main);
    }

    // 监听URL变化(应对单页应用)
    let lastUrl = location.href;
    setInterval(() => {
        if (location.href !== lastUrl) {
            lastUrl = location.href;
            if (location.pathname.includes('/user/index.htm')) {
                performSignin();
            }
        }
    }, 1000);
})();