/*
    * Copyright (c) 2011-2024 PrimeFaces Extensions
    *
    *  Permission is hereby granted, free of charge, to any person obtaining a copy
    *  of this software and associated documentation files (the "Software"), to deal
    *  in the Software without restriction, including without limitation the rights
    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    *  copies of the Software, and to permit persons to whom the Software is
    *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *  THE SOFTWARE.
   */
  package org.primefaces.extensions.component.gchart.model;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.primefaces.model.TreeNode;
  import org.primefaces.util.Constants;
  
  public class GChartModelBuilder {
      private final List<GChartModelRow> rows = new ArrayList<>(0);
      private GChartType gChartType;
      private final Map<String, Object> options = new HashMap<>(0);
      private final List<Object> columns = new ArrayList<>(0);
  
      public GChartModelBuilder setChartType(final GChartType chartType) {
          if (gChartType != null) {
              throw new IllegalStateException("GChart Type already set");
          }
          gChartType = chartType;
  
          return this;
      }
  
      public GChartModelBuilder importTreeNode(final TreeNode root) {
          final String label = String.valueOf(root.getData());
          final String parentLabel = root.getParent() != null ? String.valueOf(root.getParent().getData()) : Constants.EMPTY_STRING;
  
          this.addRow(label, parentLabel);
  
          final List<TreeNode> nodes = root.getChildren();
          for (final TreeNode node : nodes) {
              importTreeNode(node);
          }
  
          return this;
      }
  
      public GChartModelBuilder addColumns(final Object... columns) {
          this.columns.addAll(Arrays.asList(columns));
          return this;
      }
  
      public GChartModelBuilder addColumns(final Collection<Object> columns) {
          this.columns.addAll(columns);
          return this;
      }
  
      public GChartModelBuilder addRow(final String label, final Object... objects) {
          rows.add(new DefaultGChartModelRow(label, Arrays.asList(objects)));
          return this;
      }
  
      public GChartModelBuilder addRow(final String label, final Collection<Object> objects) {
          rows.add(new DefaultGChartModelRow(label, objects));
          return this;
      }
  
      public GChartModelBuilder addOption(final String name, final Object value) {
          options.put(name, value);
          return this;
      }
  
      public GChartModel build() {
          return new DefaultGChartModel(rows, gChartType, options, columns);
      }
  }