import type Mithril from 'mithril';
import type { AlertAttrs } from '../components/Alert';

export type InternalFlarumRequestOptions<ResponseType> = Mithril.RequestOptions<ResponseType> & {
  url: string;
};

export default class RequestError<ResponseType = string> {
  status: number;
  options: InternalFlarumRequestOptions<ResponseType>;
  xhr: XMLHttpRequest;

  responseText: string | null;
  response: {
    [key: string]: unknown;
    errors?: {
      detail?: string;
      code?: string;
      [key: string]: unknown;
    }[];
  } | null;

  alert: AlertAttrs | null;

  constructor(status: number, responseText: string | null, options: InternalFlarumRequestOptions<ResponseType>, xhr: XMLHttpRequest) {
    this.status = status;
    this.responseText = responseText;
    this.options = options;
    this.xhr = xhr;

    try {
      this.response = JSON.parse(responseText ?? 'null');
    } catch (e) {
      this.response = null;
    }

    this.alert = null;
  }
}