// API模块 - 统一管理所有API调用

// API路径定义
const API_BASE_URL = '/api';

// API请求封装
async function apiRequest(endpoint, method = 'GET', data = null) {
  const url = `${API_BASE_URL}${endpoint}`;
  const options = {
    method,
    headers: {
      'Content-Type': 'application/json',
    },
  };
  
  if (data) {
    options.body = JSON.stringify(data);
  }
  
  try {
    const response = await fetch(url, options);
    
    if (!response.ok) {
      const errorData = await response.json().catch(() => ({}));
      throw new Error(errorData.error || `请求失败: ${response.status}`);
    }
    
    return await response.json();
  } catch (error) {
    console.error('API请求错误:', error);
    throw error;
  }
}

// API方法集合
// API方法集合
const api = {
  // 获取统计信息
  getStats: () => apiRequest('/stats'),
  
  // 获取系统状态
  getStatus: () => apiRequest('/status'),
  
  // 获取Top屏蔽域名
  getTopBlockedDomains: () => apiRequest('/top-blocked'),
  
  // 获取Top解析域名
  getTopResolvedDomains: () => apiRequest('/top-resolved'),
  
  // 获取最近屏蔽域名
  getRecentBlockedDomains: () => apiRequest('/recent-blocked'),
  
  // 获取小时统计
  getHourlyStats: () => apiRequest('/hourly-stats'),
  
  // 获取屏蔽规则
  getShieldRules: () => apiRequest('/shield'),
  
  // 添加屏蔽规则
  addShieldRule: (rule) => apiRequest('/shield', 'POST', { rule }),
  
  // 删除屏蔽规则
  deleteShieldRule: (rule) => apiRequest('/shield', 'DELETE', { rule }),
  
  // 更新远程规则
  updateRemoteRules: () => apiRequest('/shield', 'PUT', { action: 'update' }),
  
  // 获取黑名单列表
  getBlacklists: () => apiRequest('/shield/blacklists'),
  
  // 添加黑名单
  addBlacklist: (url) => apiRequest('/shield/blacklists', 'POST', { url }),
  
  // 删除黑名单
  deleteBlacklist: (url) => apiRequest('/shield/blacklists', 'DELETE', { url }),
  
  // 获取Hosts内容
  getHosts: () => apiRequest('/shield/hosts'),
  
  // 保存Hosts内容
  saveHosts: (content) => apiRequest('/shield/hosts', 'POST', { content }),
  
  // 刷新Hosts
  refreshHosts: () => apiRequest('/shield/hosts', 'PUT', { action: 'refresh' }),
  
  // 执行DNS查询
  queryDNS: (domain, recordType = 'A') => apiRequest(`/query?domain=${encodeURIComponent(domain)}&type=${recordType}`),
  
  // 获取系统配置
  getConfig: () => apiRequest('/config'),
  
  // 保存系统配置
  saveConfig: (config) => apiRequest('/config', 'POST', config),
  
  // 重启服务
  restartService: () => apiRequest('/config/restart', 'POST'),
};

// 导出API工具
window.api = api;