/*
 * This file is part of ORY Editor.
 *
 * ORY Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ORY Editor is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with ORY Editor.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @license LGPL-3.0
 * @copyright 2016-2018 Aeneas Rekkas
 * @author Aeneas Rekkas <aeneas+oss@aeneas.io>
 *
 */

import * as React from 'react';
import { DragSource as dragSource } from 'react-dnd';
import { connect } from 'react-redux';
import classNames from 'classnames';

import { dragActions } from '../../../actions/cell/drag';
import { insertActions } from '../../../actions/cell/insert';
import { source, collect } from './helper/dnd';

import { ComponetizedCell } from '../../../types/editable';

const icon =
  // tslint:disable-next-line:max-line-length
  'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAhCAYAAACbffiEAAAA6UlEQVRYhe2ZQQ6CMBBFX0njHg7ESXTp1p3uvIBewc3Em3AfdelSFwRDCAm01JRO+pa0lP8zzc9kMCKyAa7AFqhIixdwB44WuACHuHq8KWm1vwtgF1lMCPaWkevUNE3Qr9R17XTu1P5uvUdV+IpbG2qMGBH5xBYRAjUVUWPEjj10SS3XRFry3kha/VBTETVGcmqtDTVGFqdWn7k9ku96f88QNRVRYySn1tpQY8QptXz7qinmnpt7rZTIqbU21BgJ2mv1+XfCDVFTETVGjIg8SG8KP+RZ0I7lU+dmgRNgaKfyZVw9znT/R85fOHJJE77U6UcAAAAASUVORK5CYII=';

type Props = ComponetizedCell & {
  isLeaf: boolean;
  isOver: boolean;
  isOverCurrent: boolean;
  isDragging: boolean;
  isInsertMode: boolean;
  isLayoutMode: boolean;
  node: { hover: string; inline: string };
  children: React.ReactChildren;
  className: string;
  name: string;
  dragType: string;
  connectDragSource<T>(e: T): T;
  connectDragPreview(image: HTMLImageElement): void;
};

class Draggable extends React.PureComponent<Props> {
  props: Props;
  componentDidMount() {
    const img = new Image();
    img.onload = () => this.props.connectDragPreview(img);
    img.src = icon;
  }

  render() {
    const {
      isLeaf,
      connectDragSource,
      isDragging,
      isLayoutMode,
      node: { inline },
      children,
      name,
    } = this.props;

    if (!isLayoutMode) {
      return (
        <div className="ory-cell-draggable-container">
          {/* these divs are here to prevent page jumping, they are a placeholder for draggable / draggable-overlay */}
          <div className="ory-cell-draggable-overlay-placeholder" />
          {children}
        </div>
      );
    }

    return connectDragSource(
      <div
        className={classNames('ory-cell-draggable', {
          'ory-cell-draggable-is-dragging': isDragging,
        })}
      >
        <div
          className={classNames('ory-cell-draggable-overlay', {
            [`ory-cell-draggable-inline-${inline}`]: inline,
            'ory-cell-draggable-leaf': isLeaf,
          })}
        >
          <div className="ory-cell-draggable-overlay-description">
            <span>{name}</span>
          </div>
        </div>
        {children}
      </div>
    );
  }
}

const mapDispatchToProps = {
  ...dragActions,
  ...insertActions,
};

export default connect(
  null,
  mapDispatchToProps
)(
  dragSource(({ dragType }: { dragType: string }) => dragType, source, collect)(
    Draggable
  )
);