/*
 *
 * Diff to HTML (diff2html.js)
 * Author: rtfpessoa
 *
 */

(function(ctx, undefined) {

  var diffParser = require('./diff-parser.js').DiffParser;
  var htmlPrinter = require('./html-printer.js').HtmlPrinter;

  function Diff2Html() {
  }

  /*
   * Line diff type configuration
   var config = {
   "wordByWord": true, // (default)
   // OR
   "charByChar": true
   };
   */

  /*
   * Generates pretty html from string diff input
   */
  Diff2Html.prototype.getPrettyHtmlFromDiff = function(diffInput, config) {
    var diffJson = diffParser.generateDiffJson(diffInput);
    var configOrEmpty = config || {};
    return htmlPrinter.generateLineByLineJsonHtml(diffJson, configOrEmpty);
  };

  /*
   * Generates json object from string diff input
   */
  Diff2Html.prototype.getJsonFromDiff = function(diffInput) {
    return diffParser.generateDiffJson(diffInput);
  };

  /*
   * Generates pretty html from a json object
   */
  Diff2Html.prototype.getPrettyHtmlFromJson = function(diffJson, config) {
    var configOrEmpty = config || {};
    return htmlPrinter.generateLineByLineJsonHtml(diffJson, configOrEmpty);
  };

  /*
   * Generates pretty side by side html from string diff input
   */
  Diff2Html.prototype.getPrettySideBySideHtmlFromDiff = function(diffInput, config) {
    var diffJson = diffParser.generateDiffJson(diffInput);

    var configOrEmpty = config || {};
    return htmlPrinter.generateSideBySideJsonHtml(diffJson, configOrEmpty);
  };

  /*
   * Generates pretty side by side html from a json object
   */
  Diff2Html.prototype.getPrettySideBySideHtmlFromJson = function(diffJson, config) {
    var configOrEmpty = config || {};
    return htmlPrinter.generateSideBySideJsonHtml(diffJson, configOrEmpty);
  };

  var diffName = 'Diff2Html';
  var diffObject = new Diff2Html();
  module.exports[diffName] = diffObject;
  // Expose diff2html in the browser
  global[diffName] = diffObject;

})(this);