/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community License, Version 2.0 (the "License"); you may not use this file
    * except in compliance with the License. You may obtain a copy of the License
   * at:
   *
   *   http://opensource.org/licenses/ecl2.txt
   *
   * 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.
   *
   */
  
  package org.opencastproject.composer.layout;
  
  import static org.opencastproject.util.Jsons.obj;
  import static org.opencastproject.util.Jsons.p;
  
  import org.opencastproject.util.JsonObj;
  import org.opencastproject.util.Jsons;
  
  public final class Serializer {
    private Serializer() {
    }
  
    public static Jsons.Obj json(Dimension a) {
      return obj(p("w", a.getWidth()),
                 p("h", a.getHeight()));
    }
  
    public static Dimension dimension(JsonObj json) {
      return new Dimension(json.get(Integer.class, "w"), json.get(Integer.class, "h"));
    }
  
    public static Jsons.Obj json(Anchor a) {
      return obj(p("left", a.getLeft()),
                 p("top", a.getTop()));
    }
  
    public static Anchor anchor(JsonObj json) {
      return new Anchor(json.get(Double.class, "left"), json.get(Double.class, "top"));
    }
  
    public static Jsons.Obj json(Offset a) {
      return obj(p("x", a.getX()),
                 p("y", a.getY()));
    }
  
    public static Offset offset(JsonObj json) {
      return new Offset(json.get(Integer.class, "x"), json.get(Integer.class, "y"));
    }
  
    public static Jsons.Obj json(AnchorOffset a) {
      return obj(p("offset", json(a.getOffset())),
                 p("reference", json(a.getReferenceAnchor())),
                 p("referring", json(a.getReferringAnchor())));
    }
  
    public static AnchorOffset anchorOffset(JsonObj json) {
      return new AnchorOffset(anchor(json.getObj("reference")),
                              anchor(json.getObj("referring")),
                              offset(json.getObj("offset")));
    }
  
    public static Jsons.Obj json(TwoShapeLayout a) {
      return obj(p("canvas", json(a.getCanvas())),
                 p("upper", json(a.getUpper())),
                 p("lower", json(a.getLower())));
    }
  
    public static TwoShapeLayout twoShapeLayout(JsonObj json) {
      return new TwoShapeLayout(dimension(json.getObj("canvas")),
                                layout(json.getObj("upper")),
                                layout(json.getObj("lower")));
    }
  
    public static Jsons.Obj json(Layout a) {
      return obj(p("dimension", json(a.getDimension())),
                 p("offset", json(a.getOffset())));
    }
  
    public static Layout layout(JsonObj json) {
      return new Layout(dimension(json.getObj("dimension")),
                        offset(json.getObj("offset")));
    }
  
    public static Jsons.Obj json(HorizontalCoverageLayoutSpec a) {
      return obj(p("anchorOffset", json(a.getAnchorOffset())),
                 p("horizontalCoverage", a.getHorizontalCoverage()));
    }
  
   public static HorizontalCoverageLayoutSpec horizontalCoverageLayoutSpec(JsonObj json) {
     return new HorizontalCoverageLayoutSpec(anchorOffset(json.getObj("anchorOffset")),
                                             json.get(Double.class, "horizontalCoverage"));
   }
 
   public static Jsons.Obj json(AbsolutePositionLayoutSpec a) {
     return obj(p("anchorOffset", json(a.getAnchorOffset())));
   }
 
   public static AbsolutePositionLayoutSpec absolutePositionLayoutSpec(JsonObj json) {
     return new AbsolutePositionLayoutSpec(anchorOffset(json.obj("anchorOffset")));
   }
 }