<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @final
 */
class Twig_SupTwgSgg_Profiler_Dumper_Text
{
  private $root;

  public function dump(Twig_SupTwgSgg_Profiler_Profile $profile)
  {
    return $this->dumpProfile($profile);
  }

  protected function formatTemplate(Twig_SupTwgSgg_Profiler_Profile $profile, $prefix)
  {
    return sprintf('%s└ %s', $prefix, $profile->getTemplate());
  }

  protected function formatNonTemplate(Twig_SupTwgSgg_Profiler_Profile $profile, $prefix)
  {
    return sprintf('%s└ %s::%s(%s)', $prefix, $profile->getTemplate(), $profile->getType(), $profile->getName());
  }

  protected function formatTime(Twig_SupTwgSgg_Profiler_Profile $profile, $percent)
  {
    return sprintf('%.2fms/%.0f%%', $profile->getDuration() * 1000, $percent);
  }

  private function dumpProfile(Twig_SupTwgSgg_Profiler_Profile $profile, $prefix = '', $sibling = false)
  {
    if ($profile->isRoot()) {
      $this->root = $profile->getDuration();
      $start = $profile->getName();
    } else {
      if ($profile->isTemplate()) {
        $start = $this->formatTemplate($profile, $prefix);
      } else {
        $start = $this->formatNonTemplate($profile, $prefix);
      }
      $prefix .= $sibling ? '│ ' : '  ';
    }

    $percent = $this->root ? ($profile->getDuration() / $this->root) * 100 : 0;

    if ($profile->getDuration() * 1000 < 1) {
      $str = $start . "\n";
    } else {
      $str = sprintf("%s %s\n", $start, $this->formatTime($profile, $percent));
    }

    $nCount = count($profile->getProfiles());
    foreach ($profile as $i => $p) {
      $str .= $this->dumpProfile($p, $prefix, $i + 1 !== $nCount);
    }

    return $str;
  }
}
