/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache 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://www.apache.org/licenses/LICENSE-2.0
   *
   * 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.devacfr.maven.skins.reflow.model;
  
  import javax.annotation.Nonnull;
  
  import java.util.List;
  
  import com.google.common.base.Strings;
  import com.google.common.collect.Lists;
  import org.codehaus.plexus.util.xml.Xpp3Dom;
  import org.devacfr.maven.skins.reflow.ISkinConfig;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Represents the header component.
   *
   * @author devacfr
   * @since 2.2
   */
  public class Header extends BsComponent {
  
      /** */
      private static final String COMPONENT = "header";
  
      private static final List<String> HEADER_TYPES = Lists.newArrayList("jumbotron", "banner", "custom");
  
      /** */
      private boolean enabled = true;
  
      /** */
      private String type;
  
      /** */
      private String content;
  
      /**
       * Default constructor.
       *
       * @param config
       *            a config (can not be {@code null}).
       */
      public Header(@Nonnull final ISkinConfig config) {
          super(COMPONENT);
          requireNonNull(config);
          this.setTheme(config.getAttributeValue(COMPONENT, "theme", String.class, null));
          this.setBackground(config.getAttributeValue(COMPONENT, "background", String.class, null));
          this.setCssClass(config.getAttributeValue(COMPONENT, "cssClass", String.class, null));
  
          this.type = config.getAttributeValue(COMPONENT, "type", String.class, HEADER_TYPES.get(0)).toLowerCase();
          if (!HEADER_TYPES.contains(this.type)) {
              this.type = HEADER_TYPES.get(0);
          }
          this.enabled = config.getAttributeValue(COMPONENT, "enabled", Boolean.class, true);
  
          Xpp3Dom component = config.get(COMPONENT);
          if (component != null) {
              this.content = component.getValue();
              if (!Strings.isNullOrEmpty(this.content)) {
                  this.type = HEADER_TYPES.get(2); // enforce the type to custom
              }
          }
      }
  
      /**
       * Gets the indicating whether the header is displayed.
       *
       * @return Returns {@code true} whether the header is displayed, otherwise {@code false}.
       */
      public boolean isEnabled() {
          return enabled;
      }
  
      /**
       * Gets the type of header.
       * 
       * @return Returns a String representing the type of header.
       */
      public String getType() {
          return type;
      }
  
     /**
      * @return the content
      */
     public String getContent() {
         return content;
     }
 }