require('dotenv').config();
const readline = require('readline');
const ToneAnalyzerV3 = require('watson-developer-cloud/tone-analyzer/v3');

const tone_analyzer = new ToneAnalyzerV3({
  username: process.env.TONE_ANALYZER_USERNAME,
  password: process.env.TONE_ANALYZER_PASSWORD,
  version_date: process.env.TONE_ANALYZER_VERSION_DATE
});

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

rl.question('Please enter a short paragraph for Watson to analyze...', (text) => {

  let params = {
    tone_input: text,
    content_type: 'text/plain',
    sentences: true
  };
  tone_analyzer.tone(params, function (error, response) {
    if (error) {
      console.log(error);
    } else {
      console.log(JSON.stringify(response, null, 2));
    }
  });

  rl.close();
});