'use strict';

var fs = require( 'fs' );
var path = require('path');
var unique = require('lodash/array/unique');
var sortBy = require('lodash/collection/sortBy');

var TranslationReporter = function() {
	process.env.TRANSLATIONS = 'enabled';

	var outputFile = path.join(__dirname, '../../docs/translations.json');

  var translations = [];


	this.onBrowserLog = function(browser, log, type) {

    if ( log === undefined || typeof log !== 'string' ) {
      return;
    }

    if ( log.substring( 0, 1 ) === '\'' ) {
      log = log.substring( 1, log.length - 1 );
    }

    try {
      var obj = JSON.parse(log);

      if (obj.type === 'translations') {
        translations.push(obj.msg);
      }
    } catch (e) {
      return;
    }
	};


  this.onRunComplete = function () {
    translations = unique(translations);
    translations = sortBy(translations);

    fs.writeFileSync(outputFile, JSON.stringify(translations, null, 2));
  };
};

module.exports = {
	'reporter:translation-reporter' : [ 'type', TranslationReporter ]
};