text: /*
   * Copyright (c) AXA Group Operations Spain S.A.
   *
   * 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.
   */
  
  const Lookup = require('./lookup');
  
  class CorpusLookup {
    constructor(features, intents) {
      if (features) {
        this.inputLookup = new Lookup();
        this.outputLookup = new Lookup();
        for (let i = 0; i < features.length; i += 1) {
          this.inputLookup.add(features[i]);
        }
        for (let i = 0; i < intents.length; i += 1) {
          this.outputLookup.add(intents[i]);
        }
        this.numInputs = this.inputLookup.items.length;
        this.numOutputs = this.outputLookup.items.length;
      }
    }
  
    build(corpus) {
      this.inputLookup = new Lookup(corpus, 'input');
      this.outputLookup = new Lookup(corpus, 'output');
      this.numInputs = this.inputLookup.items.length;
      this.numOutputs = this.outputLookup.items.length;
      const result = [];
      for (let i = 0; i < corpus.length; i += 1) {
        const { input, output } = corpus[i];
        result.push({
          input: this.inputLookup.prepare(input),
          output: this.outputLookup.prepare(output),
        });
      }
      return result;
    }
  
    transformInput(input) {
      return this.inputLookup.prepare(input);
    }
  }
  
  module.exports = CorpusLookup;
  