var _ = require('underscore'),
    BenchWarmer = require('./benchwarmer'),
    templates = require('../templates');

module.exports = function(grunt, makeSuite, callback) {
  var warmer = new BenchWarmer();

  var handlebarsOnly = grunt.option('handlebars-only'),
      grep = grunt.option('grep');
  if (grep) {
    grep = new RegExp(grep);
  }

  _.each(templates, function(template, name) {
    if (!template.handlebars || (grep && !grep.test(name))) {
      return;
    }

    warmer.suite(name, function(bench) {
      makeSuite(bench, name, template, handlebarsOnly);
    });
  });

  warmer.bench(function() {
    if (callback) {
      callback(warmer.times, warmer.scaled);
    }
  });
};