/**
Definition of the HandlebarsGenerator class.
@license MIT. Copyright (c) 2015 James Devlin / FluentDesk.
@module handlebars-generator.js
*/

(function() {



  var _ = require('underscore')
    , HANDLEBARS = require('handlebars')
    , FS = require('fs')
    , registerHelpers = require('./handlebars-helpers');



  /**
  Perform template-based resume generation using Handlebars.js.
  @method generate
  */
  module.exports = function( json, jst, format, cssInfo, opts, theme ) {

    // Pre-compile any partials present in the theme.
    _.each( theme.partials, function( el ) {
      var tplData = FS.readFileSync( el.path, 'utf8' );
      var compiledTemplate = HANDLEBARS.compile( tplData );
      HANDLEBARS.registerPartial( el.name, compiledTemplate );
    });

    // Register necessary helpers.
    registerHelpers();

    // Compile and run the Handlebars template.
    var template = HANDLEBARS.compile(jst);
    return template({
      r: json,
      filt: opts.filters,
      cssInfo: cssInfo,
      headFragment: opts.headFragment || ''
    });

  };



}());