<?php
/**
* @package Helix3 Framework
* @author JoomShaper http://www.joomshaper.com
* @copyright Copyright (c) 2010 - 2017 JoomShaper
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
*/

//no direct accees
defined ('_JEXEC') or die ('resticted aceess');

jimport('joomla.form.formfield');

class JFormFieldTypography extends JFormField
{
  protected $type = 'Typography';

  protected function getInput() {

    $template_path = JPATH_SITE . '/templates/' . self::getTemplate() . '/webfonts/webfonts.json';
    $plugin_path   = JPATH_PLUGINS . '/system/helix3/assets/webfonts/webfonts.json';

    if(file_exists( $template_path )) {
      $json = JFile::read( $template_path );
    } else {
      $json = JFile::read( $plugin_path );
    }

    $webfonts   = json_decode($json);
    $items      = $webfonts->items;

    $value = json_decode($this->value);

    if(isset($value->fontFamily)) {
      $font = self::filterArray($items, $value->fontFamily);
    }

    $html  = '';

    $classes = (!empty($this->element['class'])) ? $this->element['class'] : '';

    //Font Family
    $html .= '<div class="webfont '. $classes .'">';
    $html .= '<div class="row-fluid">';

    $html .= '<div class="span3 font-families">';
    $html .= '<label><strong>'. JText::_('HELIX_FONT_FAMILY') .'</strong></label>';
    $html .= '<select class="list-font-families">';

    foreach ($items as $item) {
      if(isset($value->fontFamily) && $item->family==$value->fontFamily) {
        $html .= '<option selected="selected" value="'. $item->family .'">'. $item->family .'</option>';
      } else {
        $html .= '<option value="'. $item->family .'">'. $item->family .'</option>';
      }
    }

    $html .= '</select>';
    $html .= '</div>';

    //Font Weight
    $html .= '<div class="span2 font-weight">';
    $html .= '<label><strong>'. JText::_('HELIX_FONT_WEIGHT_STYLE') .'</strong></label>';
    $html .= '<select class="list-font-weight">';

    if(isset($value->fontFamily)) {
      foreach ($font->variants as $variant) {
        if($variant == $value->fontWeight) {
          $html .= '<option selected="selected" value="'. $variant .'">'. $variant .'</option>';
        } else {
          $html .= '<option value="'. $variant .'">'. $variant .'</option>';
        }
      }
    } else {
      foreach ($items[0]->variants as $variant) {
        $html .= '<option value="'. $variant .'">'. $variant .'</option>';
      }
    }

    $html .= '</select>';
    $html .= '</div>';

    //Font Subsets
    $html .= '<div class="span2 font-subsets">';
    $html .= '<label><strong>'. JText::_('HELIX_FONT_SUBSET') .'</strong></label>';
    $html .= '<select class="list-font-subset">';

    if(isset($value->fontFamily)) {
      foreach ($font->subsets as $subset) {
        if($subset == $value->fontSubset) {
          $html .= '<option selected="selected" value="'. $subset .'">'. $subset .'</option>';
        } else {
          $html .= '<option value="'. $subset .'">'. $subset .'</option>';
        }
      }
    } else {
      foreach ($items[0]->subsets as $subset) {
        $html .= '<option value="'. $subset .'">'. $subset .'</option>';
      }
    }

    $html .= '</select>';
    $html .= '</div>';

    //Font Size
    $fontSize = (isset($value->fontSize))?$value->fontSize:'';
    $html .= '<div class="span2 font-size">';
    $html .= '<label><strong>'. JText::_('HELIX_FONT_SIZE') .'</strong></label>';
    $html .= '<input type="number" value="'. $fontSize .'" class="webfont-size" min="1" placeholder="14">';
    $html .= '</div>';

    $html .= '</div>';

    //Preview
    $html .= '<p style="display:none" class="webfont-preview">1 2 3 4 5 6 7 8 9 0 Grumpy wizards make toxic brew for the evil Queen and Jack.</p>';

    $html .= '<input type="hidden" name="' . $this->name .'" value="'. $this->value .'" class="input-webfont" id="'. $this->id .'">';

    $html .= '</div>';


    return $html;

  }

  // Get current font
  private static function filterArray($items, $key) {

    foreach ($items as $item) {
      if($item->family == $key) {
        return $item;
      }
    }

    return false;
  }

  //Get template name
  private static function getTemplate() {

    $db = JFactory::getDbo();
    $query = $db->getQuery(true);
    $query->select($db->quoteName(array('template')));
    $query->from($db->quoteName('#__template_styles'));
    $query->where($db->quoteName('id') . ' = '. $db->quote( JRequest::getVar('id') ));
    $db->setQuery($query);

    return $db->loadResult();
  }

}