showMessage(`✅ ${alias} 添加成功`, 'success');
            }
            
            saveKeys(keys);
            clearForm();
        }
        
        function editKey(platform, apiKey) {
            const keys = loadKeys();
            const key = keys.find(k => k.platform === platform && k.api_key === apiKey);
            if (!key) {
                showMessage('Key不存在', 'error');
                return;
            }
            
            editingKey = { platform, apiKey };
            document.getElementById('platform').value = key.platform;
            document.getElementById('alias').value = key.alias;
            document.getElementById('api_key').value = key.api_key;
            document.getElementById('base_url').value = key.base_url;
            document.getElementById('tags').value = key.tags || '';
            document.getElementById('quota_total').value = key.quota_total || 1000000;
            document.getElementById('formTitle').textContent = '✏️ 编辑API Key';
            showMessage(`正在编辑: ${key.alias}`, 'info');
        }
        
        function deleteKey(platform, apiKey) {
            if (!confirm('确定要删除这个Key吗？')) return;
            
            const keys = loadKeys();
            const index = keys.findIndex(k => k.platform === platform && k.api_key === apiKey);
            if (index === -1) {
                showMessage('Key不存在', 'error');
                return;
            }
            
            const deleted = keys.splice(index, 1)[0];
            saveKeys(keys);
            showMessage(`🗑️ ${deleted.alias} 已删除`, 'success');
        }
        
        function clearForm() {
            editingKey = null;
            document.getElementById('platform').value = '';
            document.getElementById('alias').value = '';
            document.getElementById('api_key').value = '';
            document.getElementById('base_url').value = '';
            document.getElementById('tags').value = '';
            document.getElementById('quota_total').value = '1000000';
            document.getElementById('formTitle').textContent = '➕ 添加API Key';
        }
        
        // ========== 导入导出 ==========
        
        function exportKeys() {
            const keys = loadKeys();
            if (keys.length === 0) {
                showMessage('没有可导出的Key', 'warning');
                return;
            }
            
            const data = JSON.stringify(keys, null, 2);
            const blob = new Blob([data], { type: 'application/json' });
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = `fu5-keys-${new Date().toISOString().split('T')[0]}.json`;
            a.click();
            URL.revokeObjectURL(url);
            
            showMessage(`✅ 已导出 ${keys.length} 个Key`, 'success');
        }
        
        function importKeys() {
            const input = document.createElement('input');
            input.type = 'file';
            input.accept = '.json';
            input.onchange = (e) => {
                const file = e.target.files[0];
                if (!file) return;
                
                const reader = new FileReader();
                reader.onload = (event) => {
                    try {
                        const imported = JSON.parse(event.target.result);
                        if (!Array.isArray(imported)) throw new Error('格式不正确');
                        
                        const valid = imported.filter(k => k.platform && k.api_key && k.base_url);
                        if (valid.length === 0) throw new Error('没有有效数据');
                        
                        const existing = loadKeys();
                        const map = new Map();
                        existing.forEach(k => map.set(`${k.platform}:${k.api_key}`, k));
                        
                        let added = 0, updated = 0;
                        valid.forEach(k => {
                            const id = `${k.platform}:${k.api_key}`;
                            if (map.has(id)) {
                                Object.assign(map.get(id), k, { updated_at: new Date().toISOString() });
                                updated++;
                            } else {
                                existing.push({ ...k, created_at: k.created_at || new Date().toISOString(), updated_at: new Date().toISOString() });
                                added++;
                            }
                        });
                        
                        saveKeys(existing);
                        showMessage(`✅ 导入完成: 新增 ${added} 个, 更新 ${updated} 个`, 'success');
                    } catch (err) {
                        showMessage(`❌ 导入失败: ${err.message}`, 'error');
                    }
                };
                reader.readAsText(file);
            };
            input.click();
        }
        
        // ========== 工具函数 ==========
        
        function refreshList() {
            updateStats();
            renderKeyTable();
            showMessage('列表已刷新', 'info');
        }
        
        function showMessage(text, type = 'info') {
            const container = document.getElementById('messageContainer');
            const msg = document.createElement('div');
            msg.className = `message message-${type}`;
            msg.textContent = text;
            container.appendChild(msg);
            setTimeout(() => msg.remove(), 3000);
        }
        
        // ========== 初始化 ==========
        
        document.addEventListener('DOMContentLoaded', () => {
            const keys = loadKeys();
            if (keys.length === 0) {
                keys.push({
                    platform: 'nvidia',
                    alias: '示例NVIDIA Key',
                    api_key: 'nvapi-example-key-1234567890',
                    base_url: 'https://integrate.api.nvidia.com/v1',
                    tags: 'example,test',
                    status: 'inactive',
                    quota_total: 1000000,
                    quota_used: 0,
                    created_at: new Date().toISOString(),
                    updated_at: new Date().toISOString()
                });
                saveKeys(keys);
                showMessage('已添加示例Key，请替换为您的真实Key', 'info');
            }
            
            updateStats();
            renderKeyTable();
        });
    </script>
</body>
</html>