import { isArray } from "~/utils/utils";

type FetchType = typeof $fetch;
export type FetchOptions = Parameters<FetchType>[1];

const useClientRequest = async <T = unknown>(
  url: string,
  opts?: FetchOptions
) => {
  const token = useCookie<string | undefined>("token");
  const runtimeConfig = useRuntimeConfig();

  const defaultOptions: FetchOptions = {
    baseURL: runtimeConfig.public.apiBase,
    onRequest({ options }) {
      options.headers = options.headers || 'application/json';
      if (token.value) {
        // @ts-ignore
        options.headers["authorization"] = "Bearer " + token.value;
      }
    },
    onResponse({ response }) {
      if (+response.status === 200 && +response._data.code !== 0) {
        ElMessage.error(response._data.msg);
      }
    },
    onResponseError({ response }) {
      ElMessage.error(
        isArray(response._data.data.msg)
          ? response._data.data.msg[0]
          : response._data.data.msg
      );
    },
  };

   // 明确转换返回类型
  const response = await $fetch(url, { ...defaultOptions, ...opts });
  return response as unknown as T;
};

  // GET请求
  export const get = <T = unknown>(
    endpoint: string, 
    config?: Omit<FetchOptions, 'method'>
  ): Promise<T> => {
    return useClientRequest<T>(endpoint, { ...config, method: 'GET' })

  }

    // POST请求
  export const post = <T = unknown>(
    endpoint: string, 
    body?: any, 
    config?: Omit<FetchOptions, 'method' | 'body'>
  ): Promise<T> => {
    return useClientRequest<T>(endpoint, { ...config, method: 'POST', body })
  }

  
  // DELETE请求
  export const del = <T = unknown>(
    endpoint: string, 
    config?: Omit<FetchOptions, 'method'>
  ): Promise<T> => {
    return useClientRequest<T>(endpoint, { ...config, method: 'DELETE' })
  }

    // PUT请求
  export const put = <T = unknown>(
    endpoint: string, 
    body?: any, 
    config?: Omit<FetchOptions, 'method' | 'body'>
  ): Promise<T> => {
    return useClientRequest<T>(endpoint, { ...config, method: 'PUT', body })
  }