(function (window, $) {
  'use strict';

  var defaultItems = [
    'source', '|',
    'undo', 'redo', '|',
    'preview', 'print', 'template', 'code', 'cut', 'copy', 'paste',
    'plainpaste', 'wordpaste', '|',
    'justifyleft', 'justifycenter', 'justifyright', 'justifyfull',
    'insertorderedlist', 'insertunorderedlist', 'indent', 'outdent', '|',
    'formatblock', 'fontname', 'fontsize', '|',
    'forecolor', 'hilitecolor', 'bold', 'italic', 'underline',
    'strikethrough', 'lineheight', 'removeformat', '|',
    'image', 'multiimage', 'table', 'hr', 'emoticons', 'baidumap',
    'pagebreak', 'anchor', 'link', 'unlink', '|',
    'about'
  ];

  function getJquery() {
    return $ || window.jQuery || (window.layui && window.layui.$);
  }

  function normalizeSelector(target) {
    var jq = getJquery();

    if (!target) return '';
    if (typeof target === 'string') return target;
    if (jq && target instanceof jq) target = target.get(0);
    if (target && target.id) return '#' + target.id;
    return target;
  }

  function initRichEditor(target, options) {
    var jq = getJquery();
    var selector = normalizeSelector(target);
    var $textarea;

    if (!jq) return null;
    $textarea = jq(selector).first();
    if (!$textarea.length || !window.KindEditor) return null;

    if (!$textarea.attr('id')) {
      $textarea.attr('id', 'rich-editor-' + Math.floor(Math.random() * 1000000));
      selector = '#' + $textarea.attr('id');
    }

    return window.KindEditor.create(selector, jq.extend({
      width: '100%',
      minWidth: '100%',
      height: '460px',
      resizeType: 1,
      allowPreviewEmoticons: true,
      allowImageUpload: true,
      filterMode: false,
      newlineTag: 'p',
      items: defaultItems,
      afterBlur: function () {
        this.sync();
      }
    }, options || {}));
  }

  function initRichEditors(root, options) {
    var jq = getJquery();
    var editors = {};
    var $root;

    if (!jq) return editors;
    $root = root ? jq(root) : jq(document);
    $root.find('.js-rich-editor').each(function (index) {
      var $textarea = jq(this);
      var id = $textarea.attr('id') || ('rich-editor-' + (index + 1));

      $textarea.attr('id', id);
      editors[id] = initRichEditor('#' + id, options);
    });

    return editors;
  }

  window.AppRichEditor = {
    init: initRichEditor,
    initAll: initRichEditors
  };

  if (getJquery()) {
    getJquery()(function () {
      if (getJquery()('.js-rich-editor').length) {
        initRichEditors(document);
      }
    });
  }
})(window, window.jQuery || (window.layui && window.layui.$));