import { getToken, clearAuthData } from './auth';

// API基础URL
const API_BASE_URL = 'https://77.smartvideo.py.qikongjian.com';

/**
 * 统一的API请求方法
 */
export const apiRequest = async (
  endpoint: string,
  options: RequestInit = {}
): Promise<any> => {
  const token = getToken();
  
  // 构建请求头
  const headers: Record<string, string> = {
    'Accept': 'application/json',
    'Content-Type': 'application/json',
    ...(options.headers as Record<string, string>),
  };

  // 添加token到请求头（如果存在）
  if (token) {
    headers['X-EASE-ADMIN-TOKEN'] = token;
  }

  try {
    const response = await fetch(`${API_BASE_URL}${endpoint}`, {
      ...options,
      headers,
    });

    // 检查响应状态
    if (!response.ok) {
      if (response.status === 401) {
        // Token过期或无效
        clearAuthData();
        window.location.href = '/login';
        throw new Error('身份验证失败，请重新登录');
      }
      throw new Error(`请求失败: ${response.status}`);
    }

    const data = await response.json();

    // 检查业务状态码
    if (data.code === '401' || data.status === 401) {
      clearAuthData();
      window.location.href = '/login';
      throw new Error('身份验证失败，请重新登录');
    }

    return data;
  } catch (error) {
    console.error('API request failed:', error);
    throw error;
  }
};

/**
 * GET请求
 */
export const apiGet = (endpoint: string, options: RequestInit = {}) => {
  return apiRequest(endpoint, {
    ...options,
    method: 'GET',
  });
};

/**
 * POST请求
 */
export const apiPost = (endpoint: string, data?: any, options: RequestInit = {}) => {
  return apiRequest(endpoint, {
    ...options,
    method: 'POST',
    body: data ? JSON.stringify(data) : undefined,
  });
};

/**
 * PUT请求
 */
export const apiPut = (endpoint: string, data?: any, options: RequestInit = {}) => {
  return apiRequest(endpoint, {
    ...options,
    method: 'PUT',
    body: data ? JSON.stringify(data) : undefined,
  });
};

/**
 * DELETE请求
 */
export const apiDelete = (endpoint: string, options: RequestInit = {}) => {
  return apiRequest(endpoint, {
    ...options,
    method: 'DELETE',
  });
};

/**
 * 文件上传请求
 */
export const apiUpload = async (endpoint: string, formData: FormData, options: RequestInit = {}) => {
  const token = getToken();
  
  // 构建请求头（文件上传时不设置Content-Type，让浏览器自动设置）
  const headers: Record<string, string> = {
    'Accept': 'application/json',
    ...(options.headers as Record<string, string>),
  };

  // 添加token到请求头（如果存在）
  if (token) {
    headers['X-EASE-ADMIN-TOKEN'] = token;
  }

  try {
    const response = await fetch(`${API_BASE_URL}${endpoint}`, {
      ...options,
      method: 'POST',
      headers,
      body: formData,
    });

    // 检查响应状态
    if (!response.ok) {
      if (response.status === 401) {
        // Token过期或无效
        clearAuthData();
        window.location.href = '/login';
        throw new Error('身份验证失败，请重新登录');
      }
      throw new Error(`请求失败: ${response.status}`);
    }

    const data = await response.json();

    // 检查业务状态码
    if (data.code === '401' || data.status === 401) {
      clearAuthData();
      window.location.href = '/login';
      throw new Error('身份验证失败，请重新登录');
    }

    return data;
  } catch (error) {
    console.error('API request failed:', error);
    throw error;
  }
};