/**
 * 2007-2017 PrestaShop
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to http://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2017 PrestaShop SA
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */
import $ from 'jquery';
import 'velocity-animate';

export default class ProductSelect {
  init() {
    const MAX_THUMBS = 5;
    const FLAG_MARGIN = 10;
    let $arrows =   $('.js-modal-arrows');
    let $thumbnails = $('.js-modal-product-images');
    let $onsale =  $('.on-sale');

    $('body').on('click','.js-modal-thumb', (event) => {
      if($('.js-modal-thumb').hasClass('selected')){
        $('.js-modal-thumb').removeClass('selected');
      }
      $(event.currentTarget).addClass('selected');
      $('.js-modal-product-cover').attr('src', $(event.target).data('image-large-src'));
      $('.js-modal-product-cover').attr('title', $(event.target).attr('title'));
      $('.js-modal-product-cover').attr('alt', $(event.target).attr('alt'));
    });
    if($onsale.length && $('#product').length){
      $('.new').css('top',$onsale.height() + FLAG_MARGIN);
    }
    if ($('.js-modal-product-images li').length <= MAX_THUMBS) {
      $arrows.css('opacity', '.2');
    } else {
      $arrows.on('click', (event) => {
        if ($(event.target).hasClass('arrow-up') && $thumbnails.position().top < 0) {
          this.move('up');
          $('.js-modal-arrow-down').css('opacity','1');
        } else if ($(event.target).hasClass('arrow-down') && $thumbnails.position().top + $thumbnails.height() >  $('.js-modal-mask').height()) {
          this.move('down');
          $('.js-modal-arrow-up').css('opacity','1');
        }
      });
    }
  }

  move(direction) {
    const THUMB_MARGIN = 10;
    var $thumbnails = $('.js-modal-product-images');
    var thumbHeight = $('.js-modal-product-images li img').height() + THUMB_MARGIN;
    var currentPosition = $thumbnails.position().top;
    $thumbnails.velocity({
      translateY: (direction === 'up') ? currentPosition + thumbHeight : currentPosition - thumbHeight
    },function(){
      if ($thumbnails.position().top >= 0) {
        $('.js-modal-arrow-up').css('opacity','.2');
      } else if ($thumbnails.position().top + $thumbnails.height() <=  $('.js-modal-mask').height()) {
        $('.js-modal-arrow-down').css('opacity','.2');
      }
    });
  }
}
