/**
 * lodash 3.0.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var baseCallback = require('lodash._basecallback'),
    baseCompareAscending = require('lodash._basecompareascending'),
    baseEach = require('lodash._baseeach'),
    baseSortBy = require('lodash._basesortby'),
    isIterateeCall = require('lodash._isiterateecall');

/**
 * Used by `_.sortBy` to compare transformed elements of a collection and stable
 * sort them in ascending order.
 *
 * @private
 * @param {Object} object The object to compare to `other`.
 * @param {Object} other The object to compare to `object`.
 * @returns {number} Returns the sort order indicator for `object`.
 */
function compareAscending(object, other) {
  return baseCompareAscending(object.criteria, other.criteria) || (object.index - other.index);
}

/**
 * Used as the maximum length of an array-like value.
 * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * for more details.
 */
var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on ES `ToLength`. See the
 * [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength)
 * for more details.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Creates an array of elements, sorted in ascending order by the results of
 * running each element in a collection through `iteratee`. This method performs
 * a stable sort, that is, it preserves the original sort order of equal elements.
 * The `iteratee` is bound to `thisArg` and invoked with three arguments;
 * (value, index|key, collection).
 *
 * If a property name is provided for `predicate` the created `_.property`
 * style callback returns the property value of the given element.
 *
 * If a value is also provided for `thisArg` the created `_.matchesProperty`
 * style callback returns `true` for elements that have a matching property
 * value, else `false`.
 *
 * If an object is provided for `predicate` the created `_.matches` style
 * callback returns `true` for elements that have the properties of the given
 * object, else `false`.
 *
 * @static
 * @memberOf _
 * @category Collection
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Array|Function|Object|string} [iteratee=_.identity] The function
 *  invoked per iteration. If a property name or an object is provided it is
 *  used to create a `_.property` or `_.matches` style callback respectively.
 * @param {*} [thisArg] The `this` binding of `iteratee`.
 * @returns {Array} Returns the new sorted array.
 * @example
 *
 * _.sortBy([1, 2, 3], function(n) {
 *   return Math.sin(n);
 * });
 * // => [3, 1, 2]
 *
 * _.sortBy([1, 2, 3], function(n) {
 *   return this.sin(n);
 * }, Math);
 * // => [3, 1, 2]
 *
 * var users = [
 *   { 'user': 'fred' },
 *   { 'user': 'pebbles' },
 *   { 'user': 'barney' }
 * ];
 *
 * // using the `_.property` callback shorthand
 * _.pluck(_.sortBy(users, 'user'), 'user');
 * // => ['barney', 'fred', 'pebbles']
 */
function sortBy(collection, iteratee, thisArg) {
  var index = -1,
      length = collection ? collection.length : 0,
      result = isLength(length) ? Array(length) : [];

  if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {
    iteratee = null;
  }
  iteratee = baseCallback(iteratee, thisArg, 3);
  baseEach(collection, function(value, key, collection) {
    result[++index] = { 'criteria': iteratee(value, key, collection), 'index': index, 'value': value };
  });
  return baseSortBy(result, compareAscending);
}

module.exports = sortBy;