/**
 * 统一请求封装（基于 Nuxt 内置 ofetch）
 * 响应格式约定：{ code, data, message }，成功码 '0000'
 */

interface ApiResponse<T = unknown> {
  code: string;
  data: T;
  message: string;
}

export function useRequest() {
  const config = useRuntimeConfig();
  const baseURL = config.public.apiBaseUrl as string;

  async function request<T = unknown>(url: string, options?: Parameters<typeof $fetch>[1]): Promise<T> {
    const res = await $fetch<ApiResponse<T>>(url, {
      baseURL,
      ...options
    });

    if (res.code !== '0000') {
      throw new Error(res.message || 'Request failed');
    }

    return res.data;
  }

  function get<T = unknown>(url: string, params?: Record<string, unknown>) {
    return request<T>(url, { method: 'GET', params });
  }

  function post<T = unknown>(url: string, body?: Record<string, unknown>) {
    return request<T>(url, { method: 'POST', body });
  }

  return { request, get, post };
}