interface RequestHeader {
  'Content-Type': string;
  'Authorization'?: string;
  [key: string]: string | undefined;
}

interface RequestOptions extends WechatMiniprogram.RequestOption {
  loading?: boolean;
}

interface ResponseData<T = any> {
  code: number;
  message: string;
  data: T;
  time?: string;
}

const baseURL = 'http://localhost:8084/api';

const request = {
  async request<T>(options: RequestOptions): Promise<ResponseData<T>> {
    const token = wx.getStorageSync('token');
    console.log(token);
    
    
    // 定义header类型
    const header: RequestHeader = {
      'Content-Type': 'application/json',
      ...options.header,
    };
    
    // 统一添加token
    if (token) {
      console.log('Token值:', token);
      header['Authorization'] = `Bearer ${token}`;
      console.log('完整Authorization:', header['Authorization']);
    }

    if (options.loading) {
      wx.showLoading({
        title: '加载中...',
        mask: true
      });
    }

    try {
      console.log('发送请求的header:', header);
      const res = await new Promise<WechatMiniprogram.RequestSuccessCallbackResult>((resolve, reject) => {
        wx.request({
          url: baseURL + options.url,
          method: options.method,
          data: options.data,
          header,
          success: (res) => {
            console.log('请求响应:', res);
            // 先检查状态码
            if (res.statusCode === 401) {
              // 清除本地token
              wx.removeStorageSync('token');
              wx.removeStorageSync('userInfo');
              // 跳转到登录页
              wx.redirectTo({
                url: '/pages/login/index'
              });
              reject(new Error('登录已过期，请重新登录'));
              return;
            }
            resolve(res);
          },
          fail: reject
        });
      });

      const data = res.data as ResponseData<T>;

      // 检查业务状态码
      if (data.code !== 200) {
        throw new Error(data.message || '请求失败');
      }

      return data;

    } catch (error) {
      console.error('请求错误:', error);
      // 统一错误提示
      wx.showToast({
        title: error instanceof Error ? error.message : '请求失败',
        icon: 'none'
      });
      throw error;
    } finally {
      if (options.loading) {
        wx.hideLoading();
      }
    }
  },

  // GET请求
  get<T>(url: string, data?: object, options: Partial<RequestOptions> = {}): Promise<ResponseData<T>> {
    return this.request<T>({
      method: 'GET',
      url,
      data,
      ...options
    });
  },

  // POST请求
  post<T>(url: string, data?: object, options: Partial<RequestOptions> = {}): Promise<ResponseData<T>> {
    return this.request<T>({
      method: 'POST',
      url,
      data,
      ...options
    });
  },

  // PUT请求
  put<T>(url: string, data?: object, options: Partial<RequestOptions> = {}): Promise<ResponseData<T>> {
    return this.request<T>({
      method: 'PUT',
      url,
      data,
      ...options
    });
  },

  // DELETE请求
  delete<T>(url: string, data?: object, options: Partial<RequestOptions> = {}): Promise<ResponseData<T>> {
    return this.request<T>({
      method: 'DELETE',
      url,
      data,
      ...options
    });
  }
};

export default request;