<?php

/*
 * Copyright by http://envato.tabvn.com, Do not copy or use without our permission!
 */

/*
 * Implements of hook_permission()
 */
function page_builder_permission() {
  return array(
    'page builder management' =>  array(
      'title' => t('Administer page builder'),
      'description' => t('page builder management'),
    ),
  );
}
/*
 * Implements of hook_menu()
 */

function page_builder_menu() {

  $items['admin/page-builder'] = array(
      'title' => 'Page builder',
      'page callback' => 'page_builder_admin_index',
      'file' => 'page_builder_admin.inc',
      'access arguments' => array('page builder management'),
      'type' => MENU_NORMAL_ITEM,
  );
  $items['admin/page-builder/import'] = array(
      'title' => 'Import',
      'page callback' => 'page_builder_admin_import',
      'file' => 'page_builder_admin.inc',
      'access arguments' => array('page builder management'),
      'type' => MENU_LOCAL_ACTION,
  );
  $items['admin/page-builder/add'] = array(
      'title' => 'Add new page',
      'page callback' => 'page_builder_admin_add',
      'file' => 'page_builder_admin.inc',
      'access arguments' => array('page builder management'),
      'type' => MENU_LOCAL_ACTION,
  );
  $items['admin/page-builder/edit/%page_builder'] = array(
      'title' => 'Edit',
      'page callback' => 'page_builder_admin_edit',
      'page arguments' => array(3),
      'access arguments' => array('page builder management'),
      'file' => 'page_builder_admin.inc',
      'context' => MENU_CONTEXT_INLINE,
  );
  $items['admin/page-builder/delete/%page_builder'] = array(
      'title' => 'Delete',
      'page callback' => 'drupal_get_form',
      'page arguments' => array('page_builder_admin_delete_confirm', 3),
      'access arguments' => array('page builder management'),
      'weight' => 1,
      'type' => MENU_LOCAL_TASK,
      'file' => 'page_builder_admin.inc',
  );
  $items['admin/page-builder/export/%page_builder'] = array(
      'title' => 'Export',
      'page callback' => 'page_builder_admin_export',
      'page arguments' => array(3),
      'access arguments' => array('page builder management'),
      'file' => 'page_builder_admin.inc',
      'context' => MENU_CONTEXT_INLINE,
  );

  $items['page-builder/node-autocomplete'] = array(
      'title' => 'Node autocomplete',
      'page callback' => 'page_builder_admin_node_autocomplete',
      'access arguments' => array('page builder management'),
      'type' => MENU_CALLBACK,
      'file' => 'page_builder_admin.inc',
  );

  $items['page/%page_builder'] = array(
      'title callback' => 'page_builder_page_title',
      'title arguments' => array(1),
      'page callback' => 'page_builder_page_view',
      'page arguments' => array(1),
      'access arguments' => array('access content'),
  );
  $items['page/%page_builder/view'] = array(
      'title' => 'View',
      'type' => MENU_DEFAULT_LOCAL_TASK,
      'weight' => -10,
  );

  return $items;
}

function page_builder_page_title($page) {

  return $page->page_title;
}

function page_builder_load($page_id = NULL) {
  $page = db_query('SELECT * FROM {pagebuilder} p WHERE p.id = :page_id', array(':page_id' => $page_id))->fetchObject();


  return $page;
}

function _page_builder_get_all() {
  $pages = array();
  $fields = array(
      'page_title',
      'id',
      'show_title',
      'path_alias',
      'active',
      'data',
  );
  $result = db_select('pagebuilder')->fields('p', $fields)->condition('active', 1)->execute();
  if (!empty($result)) {
    foreach ($result as $p) {
      $pages[$p['path_alias']] = $p['page_title'];
    }
  }

  return $pages;
}

function page_builder_page_view($page) {
  module_invoke_all('page_builer_view', $page); // use for hook_page_builder_view

  _page_builder_add_css();
  _page_builder_add_js($page);

  if (!$page->active) {
    drupal_not_found();
    drupal_exit();
  }
  return theme('page_builder_page', array('page' => $page));
}

function _page_builder_add_js($page) {

  $module_path = drupal_get_path('module', 'page_builder');

  $parallax_sections = array();
  $parallax_videos = array();
  $page_builder_slider = array();
  // add parallax js
  if (!empty($page->data)) {
    $data = unserialize($page->data);
    _page_builder_add_inline_css($data);
    _page_builder_add_inline_js($data);
    if (!empty($data['rows'])) {
      $rows = $data['rows'];
      foreach ($rows as $row_id => $row_value) {

        if (isset($row_value['row_settings']['use_parallax']) && $row_value['row_settings']['use_parallax']) {
          $parallax_sections['page-builder-row-section-' . $row_id] = array(
              'position' => $row_value['row_settings']['parallax']['p_position'],
              'speed' => $row_value['row_settings']['parallax']['p_speed'],
          );
        }

        if (isset($row_value['row_settings']['use_video']) && $row_value['row_settings']['use_video']) {
          $parallax_videos[$row_id] = $row_value['row_settings']['video'];
        }
        if (isset($row_value['row_settings']['use_slider']) && $row_value['row_settings']['use_slider']) {
          $slider_settings = $row_value['row_settings']['slider'];

          $itemsDesktop = _page_builder_slider_format($slider_settings['itemsDesktop']);
          $itemsDesktopSmall = _page_builder_slider_format($slider_settings['itemsDesktopSmall']);
          $itemsMobile = _page_builder_slider_format($slider_settings['itemsMobile']); //itemsMobile
          $itemsTablet = _page_builder_slider_format($slider_settings['itemsTablet']); //itemsTablet
          if ($itemsDesktop) {
            $slider_settings['itemsDesktop'] = $itemsDesktop;
          }
          if ($itemsDesktopSmall) {
            $slider_settings['itemsDesktopSmall'] = $itemsDesktopSmall;
          }
          if ($itemsMobile) {
            $slider_settings['itemsMobile'] = $itemsMobile;
          }
          if ($itemsTablet) {
            $slider_settings['itemsTablet'] = $itemsTablet;
          }
          $slider_settings['autoPlay'] = $slider_settings['autoPlay'] ? TRUE : FALSE;
          $slider_settings['mouseDrag'] = $slider_settings['mouseDrag'] ? TRUE : FALSE;
          $slider_settings['navigation'] = $slider_settings['navigation'] ? TRUE : FALSE;
          $slider_settings['pagination'] = $slider_settings['pagination'] ? TRUE : FALSE;
          $slider_settings['touchDrag'] = $slider_settings['touchDrag'] ? TRUE : FALSE;
          $slider_settings['navigationText'] = $slider_settings['navigationText'] ? array('prev', 'next') : FALSE;
          $page_builder_slider['page-builder-row-section-' . $row_id] = $slider_settings;
        }
      }
    }
  }

  drupal_add_js(array(
      'page_builder' => array(
          'parallax' => $parallax_sections,
          'sliders' => $page_builder_slider,
      ),
          ), 'setting');

  if (!empty($parallax_videos)) {
    drupal_add_js($module_path . '/js/video/jquery.mb.YTPlayer.js');
    $video_js = "(function ($) { $(document).ready(function(){ $('.page-builder-video-section').mb_YTPlayer(); }); })(jQuery);";
    drupal_add_js($video_js, array('type' => 'inline'));
  }
  drupal_add_js($module_path . '/js/page_builder.js');
}

function _page_builder_slider_format($string) {
  $returnValue = FALSE;
  if (!empty($string)) {
    $itemsDesktop = explode(',', $string);
    if (!empty($itemsDesktop)) {
      foreach ($itemsDesktop as $key => $v) {
        $itemsDesktop[$key] = (int) $v;
      }
      $returnValue = $itemsDesktop;
    }
  }

  return $returnValue;
}

function _page_builder_add_inline_js($data) {
  $js = '';
  if (!empty($data['global_js'])) {
    $js .= '(function ($) { $(document).ready(function(){';
    $js .= $data['global_js'];
    $js .= ' }); })(jQuery);';
  }
  if (!empty($js)) {
    drupal_add_js($js, array('type' => 'inline'));
  }
}

function _page_builder_add_inline_css($data) {
  $css = '';

  if (!empty($data['rows'])) {
    $rows = $data['rows'];
    foreach ($rows as $row_id => $value) {
      if (isset($value['row_settings']['background_image']) && $value['row_settings']['background_image']) {
        $fid = $value['row_settings']['background_image'];
        $file = file_load($fid);
        if (!empty($file->uri)) {
          $file_url = file_create_url($file->uri);
          $css .= ".page-builder-row-section.page-builder-row-section-$row_id {background:url('$file_url') 50% 0 no-repeat fixed; background-size: cover;}";
        }
      }
      if (!empty($value['row_settings']['css_custom'])) {
        $custom_css = $value['row_settings']['css_custom'];
        $css .= '.page-builder-row-section.page-builder-row-section-' . $row_id . '{' . $custom_css . '}';
      }
    }
  }

  if (!empty($data['global_css'])) {
    $css .= $data['global_css'];
  }
  if (!empty($css)) {
    drupal_add_css($css, array('type' => 'inline'));
  }
}

function _page_builder_add_css() {
  $path = drupal_get_path('module', 'page_builder');
  drupal_add_css($path . '/css/page_builder.css');


  drupal_add_js($path . '/js/parallax/jquery.parallax.js');
  drupal_add_js($path . '/js/parallax/jquery.scrollTo.js');
  if (!module_exists('views_bs')) {
    drupal_add_css($path . '/lib/owl_carousel/owl.carousel.css');
    drupal_add_css($path . '/lib/owl_carousel/owl.theme.css');
    drupal_add_js($path . '/lib/owl_carousel/owl.carousel.min.js');
  }
  drupal_add_js($path . '/lib/owl_carousel/page_builder_slider.js');
}

function page_builder_preprocess_page(&$variables) {


  $router_item = menu_get_item();
  if (!empty($router_item) && ($router_item['page_callback'] == 'page_builder_page_view')) {

    $page_id = arg(1);
    if (is_numeric($page_id)) {
      $page = page_builder_load($page_id);

      if ($page->show_title) {
        $variables['show_title'] = TRUE;
      } else {
        $variables['show_title'] = FALSE;
        $variables['title'] = FALSE;
        $variables['breadcrumb'] = FALSE;
      }
      $variables['theme_hook_suggestions'][] = 'page__page_builder';
    }
  }
}

function page_builder_block_view_system_main_alter(&$data, $block) {
  $router_item = menu_get_item();

  if (!empty($router_item) && ($router_item['page_callback'] == 'page_builder_page_view')) {
    if (user_access('access contextual links')) {
      $page_id = arg(1);
      $data['content']['#contextual_links']['page_builder'] = array(
          'admin/page-builder/edit',
          array($page_id),
      );
    }
  }
}

/**
 * Implements of hook_theme()
 *  
 */
function page_builder_theme($existing, $type, $theme, $path) {
  $module_path = drupal_get_path('module', 'page_builder') . '/templates';
  return array(
      'page_builder_page' => array(
          'variables' => array(),
          'template' => 'page_builder_page',
          'path' => $module_path,
      ),
      'page_builder_render_block' => array(
          'variables' => array('settings' => NULL),
      ),
      'page_builder_render_node' => array(
          'variables' => array('settings' => NULL),
      ),
      'page_builder_render_global_text_area' => array(
          'variables' => array('settings' => NULL),
      ),
  );
}

function _page_builder_block_render($module, $delta) {

  $html = '';
  $block = block_load($module, $delta);
  if (isset($block->module) && isset($block->delta)) {
    $check = page_builder_check_block_per_role($block);
    if ($check) {
      $block_content = _block_render_blocks(array($block));
      if (!empty($block_content)) {
        foreach ($block_content as $key => $object) {
          $block_content[$key]->subject = '';
        }
        $build = _block_get_renderable_array($block_content);

        $block_rendered = drupal_render($build);
        $html .= $block_rendered;
      }
    }
  }


  return $html;
}

function page_builder_check_block_per_role($block) {
  global $user;
  $check = FALSE;
  $role_id = db_query('SELECT r.rid FROM {block_role} r WHERE r.module = :module AND r.delta = :delta', array(':module' => $block->module, ':delta' => $block->delta))->fetchCol();
  if (!empty($role_id)) {
    foreach ($role_id as $key => $rid) {
      if (isset($user->roles[$rid])) {
        $check = TRUE;
        return $check;
      }
    }
  } else {
    $check = TRUE;
  }

  return $check;
}

function theme_page_builder_render_block($variables) {

  $output = '';

  $settings = unserialize($variables['settings']['settings']);

  /* $block = module_invoke($settings['module'], 'block_view', $settings['delta']);
    if (isset($block['content']) && $block['content']) {
    if (is_string($block['content'])) {
    $block['content'] = array('#markup' => $block['content']);
    }
    }
    if (!empty($block['content'])) {
    $output = drupal_render($block['content']);
    } */
  if (!empty($settings['module']) && !empty($settings['delta'])) {
    $output .= _page_builder_block_render($settings['module'], $settings['delta']);
  }

  return $output;
}

function theme_page_builder_render_node($variables) {
  $output = '';
  $settings = unserialize($variables['settings']['settings']);
  $nid = $settings['nid'];
  $view_mode = !empty($settings['view_mode']) ? $settings['view_mode'] : 'full';
  $node = node_load($nid);
  if (!empty($node)) {
    $build = node_view($node, $view_mode);

    $output = drupal_render($build);
  }
  return $output;
}

function theme_page_builder_render_global_text_area($variables) {
  $settings = unserialize($variables['settings']['settings']);
  $output = '';
  $build = array();
  if (isset($settings['content']) && ($settings['content'] !== '')) {
    $content = $settings['content'];
    $build['global_text']['#markup'] = $content;

    $output = drupal_render($build);
  }

  return $output;
}

function _page_builder_get_data($row_id, $col_id, $elements_arr) {
  $output = array();
  if (!empty($elements_arr[$row_id][$col_id])) {
    $elements = $elements_arr[$row_id][$col_id];
    uasort($elements, 'drupal_sort_weight');
    foreach ($elements as $e_id => $e_val) {

      switch ($e_val['type']) {
        case 'block':
          $value = theme('page_builder_render_block', array('settings' => $e_val));
          if (isset($value) && $value !== '') {
            $output[$e_id] = $value;
          }
          break;

        case 'node':
          $value = theme('page_builder_render_node', array('settings' => $e_val));
          if (isset($value) && $value !== '') {
            $output[$e_id] = $value;
          }
          break;

        case 'global_text_area':
          $value = theme('page_builder_render_global_text_area', array('settings' => $e_val));
          if (isset($value) && $value !== '') {
            $output[$e_id] = $value;
          }
          break;
        default:
          break;
      }
    }
  }

  return $output;
}