import type { AxiosResponse } from 'axios';
import { emitEvent } from '@/utils/eventBus';
export interface ReqReturn<T>{
  data:AxiosResponse<T> | T |null;
  error:any;
}
type ReqFn<T = any, D = any> = (params: D) => Promise<AxiosResponse<T> | T>;
type ReqFnSelect<T = any, D = any> = (params?: D) => Promise<AxiosResponse<T> | T>;
export async function reqCatch<T = any, D = any>(req: ReqFn<T, D> | ReqFnSelect<T, D>, params?: D):
  Promise<ReqReturn<T>> {
  try {
    const data = await req(params);
    return {
      data,
      error: null
    };
  } catch (e) {
    // 可在此处定义全局的错误处理方法，也可在外部处理
    return {
      data: null,
      error: e
    };
  }
}
interface ReqReturnV2<T>{
  data:AxiosResponse<T>|null;
  error:any;
}
export type catchRt<T> = Promise<ReqReturnV2<T>>;
export async function reqCatchV2<R=any>(req:()=>Promise<AxiosResponse<R>>):catchRt<R> { // 设置请求函数的返回值，R类型可以自动推导
  try {
    const data = await req();
    return {
      data,
      error: null
    };
  } catch (e) {
    // 可在此处定义全局的错误处理方法，也可在外部处理
    emitEvent('responseError', e);
    return {
      data: null,
      error: e
    };
  }
}