// api/request.ts
import { requestInterceptor } from './interceptors/request';
import { responseInterceptor } from './interceptors/response';
import type { IRequestOptions, ICreateClientConfig } from './types';
import { REQUEST_TIMEOUT } from './config';

export function createRequestClient(cfg: ICreateClientConfig) {
  const baseURL = cfg.baseURL;
  const timeout = cfg.timeout ?? REQUEST_TIMEOUT;

  async function request<T = any>(options: IRequestOptions): Promise<T> {
    // 组装 final options
    const final: UniApp.RequestOptions = {
      ...options,
      url: (options.url || '').startsWith('http') ? options.url : `${baseURL}${options.url}`,
      timeout,
      header: options.header || {},
    };

    // run request interceptor to mutate headers, etc.
    const intercepted = requestInterceptor(final as IRequestOptions);

    return new Promise((resolve, reject) => {
      uni.request({
        ...intercepted,
        success(res: any) {
          // delegate to response interceptor
          responseInterceptor(res)
            .then((r) => {
              resolve(r as any);
            })
            .catch((err) => {
              reject(err);
            });
        },
        fail(err: any) {
          uni.showToast({ title: '网络连接失败', icon: 'none' });
          reject(err);
        },
      } as any);
    });
  }

  return { request };
}