/*
 *    Copyright [2015] [wisemapping]
 *
 *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
 *   It is basically the Apache License, Version 2.0 (the "License") plus the
 *   "powered by wisemapping" text requirement on every single page;
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the license at
 *
 *       http://www.wisemapping.org/license
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
const Element = require('./Element').default;
const Toolkit = require('./Toolkit').default;

const Workspace = new Class({
  Extends: Element,
  initialize(attributes) {
    this._htmlContainer = this._createDivContainer();

    const peer = Toolkit.createWorkspace(this._htmlContainer);
    const defaultAttributes = {
      width: '200px',
      height: '200px',
      stroke: '1px solid #edf1be',
      fillColor: 'white',
      coordOrigin: '0 0',
      coordSize: '200 200',
    };
    for (const key in attributes) {
      defaultAttributes[key] = attributes[key];
    }
    this.parent(peer, defaultAttributes);
    this._htmlContainer.append(this._peer._native);
  },

  getType() {
    return 'Workspace';
  },

  /**
     * Appends an element as a child to the object.
     */
  append(element) {
    if (!$defined(element)) {
      throw 'Child element can not be null';
    }
    const elementType = element.getType();
    if (elementType == null) {
      throw `It seems not to be an element ->${element}`;
    }

    if (elementType == 'Workspace') {
      throw 'A workspace can not have a workspace as a child';
    }

    this._peer.append(element._peer);
  },

  addItAsChildTo(element) {
    if (!$defined(element)) {
      throw 'Workspace div container can not be null';
    }
    element.append(this._htmlContainer);
  },

  /**
     * Create a new div element that will be responsible for containing the workspace elements.
     */
  _createDivContainer() {
    const container = window.document.createElement('div');
    container.id = 'workspaceContainer';
    //        container.style.overflow = "hidden";
    container.style.position = 'relative';
    container.style.top = '0px';
    container.style.left = '0px';
    container.style.height = '688px';
    container.style.border = '1px solid red';

    return $(container);
  },

  /**
     *  Set the workspace area size. It can be defined using different units:
     * in (inches; 1in=2.54cm)
     * cm (centimeters; 1cm=10mm)
     * mm (millimeters)
     * pt (points; 1pt=1/72in)
     * pc (picas; 1pc=12pt)
     */
  setSize(width, height) {
    // HTML container must have the size of the group element.
    if ($defined(width)) {
      this._htmlContainer.css('width', width);
    }

    if ($defined(height)) {
      this._htmlContainer.css('height', height);
    }
    this._peer.setSize(width, height);
  },

  /**
     * The workspace element is a containing blocks for this content - they define a CSS2 "block level box".
     * Inside the containing block a local coordinate system is defined for any sub-elements using the coordsize and coordorigin attributes.
     * All CSS2 positioning information is expressed in terms of this local coordinate space.
     * Consequently CSS2 position attributes (left, top, width, height and so on) have no unit specifier -
     * they are simple numbers, not CSS length quantities.
     */
  setCoordSize(width, height) {
    this._peer.setCoordSize(width, height);
  },

  /**
     * @Todo: Complete Doc
     */
  setCoordOrigin(x, y) {
    this._peer.setCoordOrigin(x, y);
  },

  /**
     * @Todo: Complete Doc
     */
  getCoordOrigin() {
    return this._peer.getCoordOrigin();
  },

  // Private method declaration area
  /**
     * All the SVG elements will be children of this HTML element.
     */
  _getHtmlContainer() {
    return this._htmlContainer;
  },

  setFill(color, opacity) {
    this._htmlContainer.css('background-color', color);
    if (opacity || opacity === 0) {
      throw 'Unsupported operation. Opacity not supported.';
    }
  },

  getFill() {
    const color = this._htmlContainer.css('background-color');
    return { color };
  },

  getSize() {
    const width = this._htmlContainer.css('width');
    const height = this._htmlContainer.css('height');
    return { width, height };
  },

  setStroke(width, style, color, opacity) {
    if (style != 'solid') {
      throw `Not supported style stroke style:${style}`;
    }
    this._htmlContainer.css('border', `${width} ${style} ${color}`);

    if (opacity || opacity === 0) {
      throw 'Unsupported operation. Opacity not supported.';
    }
  },

  getCoordSize() {
    return this._peer.getCoordSize();
  },

  /**
     * Remove an element as a child to the object.
     */
  removeChild(element) {
    if (!$defined(element)) {
      throw 'Child element can not be null';
    }

    if (element == this) {
      throw "It's not possible to add the group as a child of itself";
    }

    const elementType = element.getType();
    if (elementType == null) {
      throw `It seems not to be an element ->${element}`;
    }

    this._peer.removeChild(element._peer);
  },

  dumpNativeChart() {
    const elem = this._htmlContainer;
    return elem.innerHTML;
  },
});

export default Workspace;