"use strict";

// @todo not sure if this is fine to import here or if we move this elsewhere
const _require = require("../../exotic"),
      EMPTY_ARRAY = _require.EMPTY_ARRAY,
      EMPTY_OBJ = _require.EMPTY_OBJ,
      isArray = _require.isArray,
      isObj = _require.isObj;

if (process.env.NODE_ENV === 'development') {
  try {
    // exotic.EMPTY_ARRAY.isEmpty === true
    // exotic.EMPTY_ARRAY.isEmpty === true
    Object.defineProperty(Array.prototype, 'IS_EMPTY', {
      enumerable: false,
      configurable: false,

      get() {
        return this === EMPTY_ARRAY;
      }

    });
    Object.defineProperty(Object.prototype, 'IS_EMPTY', {
      enumerable: false,
      configurable: false,

      get() {
        return this === EMPTY_OBJ;
      }

    });
  } catch (notWritableException) {// ignore, dev
  }
}
/**
 * @param {Object} props
 * @return {Array<any>}
 */


const fromPropsToLongestArray = props => {
  // let best = ['empty']
  let best = [];
  Object.keys(props) // should be able to sort based on common naming
  // should be able to do a more fancy reduce or sortby .length & .pop/find
  .forEach(key => {
    const list = props[key];

    if (isArray(list) === false) {
      return;
    }

    if (list.length > best.length) {
      best = list;
    }
  });
  return best;
}; // @example
// const one = {
//   longest: [1],
//   shortest: [],
// }
// const two = {
//   longest: [1, 2, 3, 4],
//   shortest: exotic.EMPTY_ARRAY,
//   medium: [1, 2, 3]
// }


fromPropsToLongestArray.fromPropsToLongestArray = fromPropsToLongestArray;
module.exports = fromPropsToLongestArray;