/**
 * Mixin for subtract
 * @function subtractMix
 * @param {function} Class
 * @returns {function} Class
 */
'use strict'

/** @lends subtractMix */
function subtractMix (Class) {
  const units = {{{unitsString}}}

  /** @class SubtractMixed */
  class SubtractMixed extends Class {
    /**
     * Date after
     * @param {number} amount to subtract
     * @param {string} unit - Unit to subtract
     * @see https://momentjs.com/docs/#/manipulating/subtract/
     * @returns {TheDate}
     */
    subtract (amount, unit = 'milliseconds') {
      unit = this.normalizeMomentUnits(unit)
      const unknown = !units.includes(unit)
      if (unknown) {
        throw new Error(`[TheDate] Unsupported unit: ${unit}`)
      }
      const Constructor = this.constructor
      const moment = this.toMoment()
      return new Constructor(moment.subtract(amount, unit))
    }

{{#each units}}
    /**
     * Subtract {{this}}
     * @param {number} {{this}} to subtract
     * @returns {TheDate}
     */
    subtract{{pascalcase this}} ({{this}}) {
      return this.subtract({{this}}, '{{this}}')
    }

{{/each}}

  }
  return SubtractMixed
}

module.exports = subtractMix