import ObjectProxy from '@ember/object/proxy';
import ArrayProxy from '@ember/array/proxy';
import PromiseProxyMixin from '@ember/object/promise-proxy-mixin';
import { computed } from '@ember/object';
import { expandProperties } from '@ember/object/computed';

export const ObjectResponsePending = ObjectProxy.extend(PromiseProxyMixin);
export const ArrayResponsePending = ArrayProxy.extend(PromiseProxyMixin);

export function expandAllDependencies(depList) {
  let dependencies = [];
  function register(dependency) {
    dependencies.push(dependency);
  }
  for (let dependency of depList) {
    expandProperties(dependency, register);
  }
  return dependencies;
}

export function asyncObject(fnName, depList) {
  let dependencies = expandAllDependencies(depList);
  return computed(...dependencies, function() {
    let promise = resolve(fnName());
    let wrapper = ObjectResponsePending.create({ promise });
    wrapper.catch(() => {});
    return wrapper;
  });
}

export function asyncArray(fnName) {
  let dependencies = expandAllDependencies(depList);
  return computed(...dependencies, function() {
    let promise = resolve(fnName());
    let wrapper = ArrayResponsePending.create({ promise });
    wrapper.catch(() => {});
    return wrapper;
  });
}