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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Cursor To OpenAI - 管理员登录</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            color: #333;
            background-color: #f5f5f5;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        .container {
            background: #fff;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
        }
        h1 {
            color: #2c3e50;
            text-align: center;
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            box-sizing: border-box;
        }
        button {
            background: #3498db;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            width: 100%;
            margin-top: 10px;
        }
        button:hover {
            background: #2980b9;
        }
        .message {
            margin-top: 20px;
            padding: 10px;
            border-radius: 4px;
            text-align: center;
        }
        .error {
            background-color: #f8d7da;
            color: #721c24;
        }
        .info {
            background-color: #d4edda;
            color: #155724;
        }
        .toggle-form {
            text-align: center;
            margin-top: 20px;
            color: #3498db;
            cursor: pointer;
        }
        #registerForm {
            display: none;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>管理员登录</h1>
        
        <!-- 登录表单 -->
        <form id="loginForm">
            <div class="form-group">
                <label for="loginUsername">用户名</label>
                <input type="text" id="loginUsername" required>
            </div>
            <div class="form-group">
                <label for="loginPassword">密码</label>
                <input type="password" id="loginPassword" required>
            </div>
            <button type="submit">登录</button>
            <div id="loginMessage" class="message"></div>
        </form>
        
        <!-- 注册表单 -->
        <form id="registerForm">
            <div class="form-group">
                <label for="registerUsername">用户名</label>
                <input type="text" id="registerUsername" required>
            </div>
            <div class="form-group">
                <label for="registerPassword">密码</label>
                <input type="password" id="registerPassword" required>
            </div>
            <div class="form-group">
                <label for="confirmPassword">确认密码</label>
                <input type="password" id="confirmPassword" required>
            </div>
            <button type="submit">注册</button>
            <div id="registerMessage" class="message"></div>
        </form>
        
        <div class="toggle-form" id="toggleForm">
            还没有账号?点击注册
        </div>
    </div>

    <script>
        // 获取元素
        const loginForm = document.getElementById('loginForm');
        const registerForm = document.getElementById('registerForm');
        const toggleForm = document.getElementById('toggleForm');
        const loginMessage = document.getElementById('loginMessage');
        const registerMessage = document.getElementById('registerMessage');

        // 切换表单显示
        let isLoginForm = true;
        toggleForm.addEventListener('click', () => {
            isLoginForm = !isLoginForm;
            loginForm.style.display = isLoginForm ? 'block' : 'none';
            registerForm.style.display = isLoginForm ? 'none' : 'block';
            toggleForm.textContent = isLoginForm ? '还没有账号?点击注册' : '已有账号?点击登录';
            loginMessage.textContent = '';
            registerMessage.textContent = '';
        });

        // 检查是否已有管理员账号
        async function checkAdminExists() {
            try {
                const response = await fetch('/v1/admin/check');
                const data = await response.json();
                
                if (data.exists) {
                    // 如果已有管理员,显示登录表单
                    loginForm.style.display = 'block';
                    registerForm.style.display = 'none';
                    toggleForm.style.display = 'none';
                } else {
                    // 如果没有管理员,显示注册表单
                    loginForm.style.display = 'none';
                    registerForm.style.display = 'block';
                    toggleForm.style.display = 'none';
                    registerMessage.innerHTML = '<div class="info">首次使用,请注册管理员账号</div>';
                }
            } catch (error) {
                console.error('检查管理员账号失败:', error);
            }
        }

        // 登录处理
        loginForm.addEventListener('submit', async (e) => {
            e.preventDefault();
            
            const username = document.getElementById('loginUsername').value;
            const password = document.getElementById('loginPassword').value;
            
            try {
                const response = await fetch('/v1/admin/login', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({ username, password }),
                });
                
                const data = await response.json();
                
                if (data.success) {
                    // 登录成功,保存token并跳转
                    localStorage.setItem('adminToken', data.token);
                    window.location.href = '/index.html';
                } else {
                    loginMessage.innerHTML = `<div class="error">${data.message}</div>`;
                }
            } catch (error) {
                console.error('登录失败:', error);
                loginMessage.innerHTML = '<div class="error">登录失败,请稍后重试</div>';
            }
        });

        // 注册处理
        registerForm.addEventListener('submit', async (e) => {
            e.preventDefault();
            
            const username = document.getElementById('registerUsername').value;
            const password = document.getElementById('registerPassword').value;
            const confirmPassword = document.getElementById('confirmPassword').value;
            
            if (password !== confirmPassword) {
                registerMessage.innerHTML = '<div class="error">两次输入的密码不一致</div>';
                return;
            }
            
            try {
                const response = await fetch('/v1/admin/register', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({ username, password }),
                });
                
                const data = await response.json();
                
                if (data.success) {
                    // 注册成功,保存token并跳转
                    localStorage.setItem('adminToken', data.token);
                    window.location.href = '/index.html';
                } else {
                    registerMessage.innerHTML = `<div class="error">${data.message}</div>`;
                }
            } catch (error) {
                console.error('注册失败:', error);
                registerMessage.innerHTML = '<div class="error">注册失败,请稍后重试</div>';
            }
        });

        // 页面加载时检查管理员账号
        document.addEventListener('DOMContentLoaded', checkAdminExists);
    </script>
</body>
</html>