package org.apache.solr.spelling;

import org.apache.lucene.analysis.Token;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.spell.SuggestMode;
import org.apache.solr.common.params.SolrParams;

import java.util.Collection;

/*
 * 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.
 */

/**
 *
 *
 **/
public class SpellingOptions {
  
  /**
   * The tokens to spell check
   */
  public Collection<Token> tokens;
  /**
   * An optional {@link org.apache.lucene.index.IndexReader}
   */
  public IndexReader reader;
  /**
   * The number of suggestions to return, if there are any. Defaults to 1.
   */
  public int count = 1;
  
  public int alternativeTermCount = 0;
  
  public SuggestMode suggestMode = SuggestMode.SUGGEST_WHEN_NOT_IN_INDEX;
  /**
   * Provide additional, per implementation, information about the results
   */
  public boolean extendedResults;
  
  /**
   * Optionally restrict the results to have a minimum accuracy level. Per
   * Implementation. By default set to Float.MIN_VALUE.
   */
  public float accuracy = Float.MIN_VALUE;
  
  /**
   * Any other custom params can be passed through. May be null and is null by
   * default.
   */
  public SolrParams customParams;
  
  public SpellingOptions() {}
  
  // A couple of convenience ones
  public SpellingOptions(Collection<Token> tokens, int count) {
    this.tokens = tokens;
    this.count = count;
  }
  
  public SpellingOptions(Collection<Token> tokens, IndexReader reader) {
    this.tokens = tokens;
    this.reader = reader;
  }
  
  public SpellingOptions(Collection<Token> tokens, IndexReader reader, int count) {
    this.tokens = tokens;
    this.reader = reader;
    this.count = count;
  }
  
  public SpellingOptions(Collection<Token> tokens, IndexReader reader,
      int count, SuggestMode suggestMode, boolean extendedResults,
      float accuracy, SolrParams customParams) {
    this.tokens = tokens;
    this.reader = reader;
    this.count = count;
    this.suggestMode = suggestMode;
    this.extendedResults = extendedResults;
    this.accuracy = accuracy;
    this.customParams = customParams;
  }
  
  public SpellingOptions(Collection<Token> tokens, IndexReader reader,
      int count, int alternativeTermCount, SuggestMode suggestMode,
      boolean extendedResults, float accuracy, SolrParams customParams) {
    this.tokens = tokens;
    this.reader = reader;
    this.count = count;
    this.alternativeTermCount = alternativeTermCount;
    this.suggestMode = suggestMode;
    this.extendedResults = extendedResults;
    this.accuracy = accuracy;
    this.customParams = customParams;
  }
}