<?php
/*
Theme Name: Bootstrap Darkroom
Version: 1.5.19
Description: A mobile-ready & feature-rich theme based on Boostrap Default, with PhotoSwipe full-screen slideshow, Slick carousel on picture page, many color styles thanks to Bootswatch and lots of configuration options
Theme URI: http://piwigo.org/ext/extension_view.php?eid=831
Author: Thomas Kuther
Author URI: https://https://github.com/tkuther/piwigo-bootstrap-darkroom
*/
require_once(PHPWG_THEMES_PATH . 'bootstrap_darkroom/include/themecontroller.php');
require_once(PHPWG_THEMES_PATH . 'bootstrap_darkroom/include/config.php');

$themeconf = array(
    'name' => 'bootstrap_darkroom',
    'parent' => 'bootstrapdefault',
    'load_parent_css' => true,
    'load_parent_local_head' => true,
    'local_head' => 'local_head.tpl',
    'url' => 'https://kuther.net/'
);

//debug
//$conf['template_combine_files'] = false;

// always show metadata initially
pwg_set_session_var('show_metadata', true);

// config
add_event_handler('init', 'set_config_values');
function set_config_values()
{
  global $template, $pwg_loaded_plugins, $conf;
  $template->assign(array(
                          'loaded_plugins' => $GLOBALS['pwg_loaded_plugins'],
                          'meta_ref_enabled' => $conf['meta_ref']
                         ));
  if (array_key_exists('bootstrap_darkroom_core_js_in_header', $conf)) {
    $template->assign('bootstrap_darkroom_core_js_in_header', $conf['bootstrap_darkroom_core_js_in_header']);
  } else {
    $template->assign('bootstrap_darkroom_core_js_in_header', false);
  }

  if (isset($pwg_loaded_plugins['language_switch'])) {
    add_event_handler('loc_end_search', 'language_controler_flags', 95 );
    add_event_handler('loc_end_identification', 'language_controler_flags', 95 );
    add_event_handler('loc_end_tags', 'language_controler_flags', 95 );
    add_event_handler('loc_begin_about', 'language_controler_flags', 95 );
    add_event_handler('loc_end_register', 'language_controler_flags', 95 );
    add_event_handler('loc_end_password', 'language_controler_flags', 95 );
  }
}

// needed for the carousel and photoswipe
// borrowed from https://github.com/ThomasDaheim/piwigo-stuff/tree/master/picturethumbs
add_event_handler('loc_end_picture', 'get_all_thumbnails_in_category');
// also needed on index.tpl for compatibility with GThumb+/GDThumb
add_event_handler('loc_end_index', 'get_all_thumbnails_in_category');
function get_all_thumbnails_in_category()
{
  global $template, $conf, $user, $page;

  include_once(PHPWG_ROOT_PATH.'/include/functions_metadata.inc.php');

  if (!$page['items'] || ($page['section'] == 'categories' && !isset($page['category']))) {
    return;
  }

  // select all pictures for this category
  $query = '
  SELECT *
    FROM '.IMAGES_TABLE.'
    WHERE id IN ('.implode(',', $page['items']).')
    ORDER BY FIELD(id, '.implode(',', $page['items']).')
  ;';

  $result = pwg_query($query);
  
  $pictures = array();
  while ($row = pwg_db_fetch_assoc($result))
  {
    $pictures[] = $row;
  }
  
  $tpl_thumbnails_var = array();

  $theme_config = $template->get_template_vars('theme_config_extra');

  if ($theme_config->photoswipe_metadata) {
    if (array_key_exists('bootstrap_darkroom_ps_exif_mapping', $conf)) {
      $exif_mapping = $conf['bootstrap_darkroom_ps_exif_mapping'];
    } else {
      $exif_mapping = array(
        'date_creation' => 'DateTimeOriginal',
        'make'          => 'Make',
        'model'         => 'Model',
        'lens'          => 'UndefinedTag:0xA434',
        'shutter_speed' => 'ExposureTime',
        'iso'           => 'ISOSpeedRatings',
        'apperture'     => 'FNumber',
        'focal_length'  => 'FocalLength',
      );
    }
  }

  foreach ($pictures as $row)
  {    
    $url = duplicate_picture_url(
      array(
        'image_id' => $row['id'],
        'image_file' => $row['file'],
        ),
      array('start')
      );

    $name = render_element_name($row);
    $desc = render_element_description($row, 'main_page_element_description');

    $tpl_var = array_merge( $row, array(
      'NAME' => $name,
      'TN_ALT' => htmlspecialchars(strip_tags($name)),
      'URL' => $url,
      'DESCRIPTION' => htmlspecialchars(strip_tags($desc)),
      'src_image' => new SrcImage($row),
      'SIZE' => $row['width'].'x'.$row['height'],
      'PATH' => $row['path'],
      'DATE_CREATED' => $row['date_creation'],
    ) );

    if ($theme_config->photoswipe_metadata) {
      $tpl_var = array_merge( $tpl_var, array (
        'EXIF' => get_exif_data($row['path'], $exif_mapping),
      ) );

      //optional replacements
      if (array_key_exists('bootstrap_darkroom_ps_exif_replacements', $conf)) {
        foreach ($conf['bootstrap_darkroom_ps_exif_replacements'] as $tag => $replacement) {
          if (array_key_exists($tag, $tpl_var['EXIF'])) {
            $tpl_var['EXIF'][$tag] = str_replace($replacement[0], $replacement[1], $tpl_var['EXIF'][$tag]);
          }
        }
      }
    }
 
    $tpl_thumbnails_var[] = $tpl_var;
  }

  $template->assign('thumbnails', $tpl_thumbnails_var);

  $template->assign( array(
      'derivative_params_square' => trigger_change('get_index_derivative_params', ImageStdParams::get_by_type( IMG_SQUARE ) ),
      'derivative_params_medium' => trigger_change('get_index_derivative_params', ImageStdParams::get_by_type( IMG_MEDIUM ) ),
      'derivative_params_large' => trigger_change('get_index_derivative_params', ImageStdParams::get_by_type( IMG_LARGE ) ),
      'derivative_params_xxlarge' => trigger_change('get_index_derivative_params', ImageStdParams::get_by_type( IMG_XXLARGE ) ),  
  ));

  unset($tpl_thumbnails_var, $pictures);
}

add_event_handler('loc_begin_index_thumbnails', 'return_page_start');
function return_page_start() {
  global $page, $template;
 
  $template->assign('START_ID', $page['start']);
}

add_event_handler('loc_after_page_header', 'strip_breadcrumbs');
function strip_breadcrumbs() {
  global $template;

  $u_home = $template->get_template_vars('U_HOME');
  $l_sep = $template->get_template_vars('LEVEL_SEPARATOR');
  $title = $template->get_template_vars('TITLE');
  $section_title = $template->get_template_vars('SECTION_TITLE');
  if (empty($title)) {
    $title = $section_title;
  }
  if (!empty($title)) {
    $splt = strpos($title, "[");
    if ($splt) {
      $title_links = substr($title, 0, $splt);
      $title_count = substr($title, $splt, strlen($title));
      $title = $title_links;
    }

    $dom = new DOMDocument;
    $int_err = libxml_use_internal_errors(true);
    $dom->loadHTML(mb_convert_encoding($title, 'HTML-ENTITIES', 'UTF-8'));
    libxml_use_internal_errors($int_err);
    $dom->removeChild($dom->doctype);

    $nr_links = $dom->getElementsByTagName('a')->length;
    $home_link_orig = $dom->getElementsByTagName('a')->item(0);
    $home_link_content = '<a href="' . $u_home . '" title="' . $home_link_orig->nodeValue . '"><i class="fa fa-home" aria-hidden="true"></i></a > ';
      $title_new = $home_link_content;
    if ($nr_links > 2) {
      if (!empty($section_title)) {
        $home_link_orig->parentNode->removeChild($home_link_orig);
        $home_link_orig = $dom->getElementsByTagName('a')->item(0);
      }
      while ($nr_links > 2) {
        $nr_links = $nr_links - 1;
        $home_link_orig->parentNode->removeChild($home_link_orig);
        $home_link_orig = $dom->getElementsByTagName('a')->item(0);
        $home_link_new = $dom->saveHTML();
        if (!empty($section_title)) {
          $home_link_new = preg_replace('@'.$l_sep.'@', '', $home_link_new);
        } else {
          $home_link_new = preg_replace('@'.$l_sep.$l_sep.'@', $l_sep, $home_link_new);
          // yes, twice. Don't ask..
          $home_link_new = preg_replace('@'.$l_sep.$l_sep.'@', $l_sep, $home_link_new);
        }
      }
      if (!empty($section_title)) {
        $title_new = $home_link_content . $l_sep . $home_link_new;
      } else {
        $title_new = $home_link_content . $home_link_new;
      }
      $title_new = preg_replace('~<(/?(?:html|body))[^>]*>\s*~i', '', $title_new);
      if (empty($section_title)) {
        $template->assign('TITLE', $title_new);
      } else {
        $template->assign('SECTION_TITLE', $title_new);
      }
    } else {
      if ($splt) {
        $template->assign('TITLE', $title_links);
      }
    }
  }
}

// register video files
$video_ext = array('mp4','m4v');
$conf['file_ext'] = array_merge ($conf['file_ext'], $video_ext, array_map('strtoupper', $video_ext));

$controller = new \BootstrapDarkroom\ThemeController();
$controller->init();