<?php if (!defined('ABSPATH')) {
  die;
}
/**
 *
 * Shortcoder Class
 *
 * @since 1.0.0
 * @version 1.0.0
 *
 */
if (!class_exists('CSF_Shortcoder')) {
  class CSF_Shortcoder extends CSF_Abstract
  {

    // constans
    public $unique       = '';
    public $abstract     = 'shortcoder';
    public $blocks       = array();
    public $sections     = array();
    public $pre_tabs     = array();
    public $pre_sections = array();
    public $args         = array(
      'button_title'     => 'Add Shortcode',
      'select_title'     => 'Select a shortcode',
      'insert_title'     => 'Insert Shortcode',
      'show_in_editor'   => true,
      'show_in_custom'   => false,
      'defaults'         => array(),
      'class'            => '',
      'gutenberg'        => array(
        'title'          => 'CSF Shortcodes',
        'description'    => 'CSF Shortcode Block',
        'icon'           => 'screenoptions',
        'category'       => 'widgets',
        'keywords'       => array('shortcode', 'csf', 'insert'),
        'placeholder'    => 'Write shortcode here...',
      ),
    );

    // run shortcode construct
    public function __construct($key, $params = array())
    {

      $this->unique       = $key;
      $this->args         = apply_filters("csf_{$this->unique}_args", wp_parse_args($params['args'], $this->args), $this);
      $this->sections     = apply_filters("csf_{$this->unique}_sections", $params['sections'], $this);
      $this->pre_tabs     = $this->pre_tabs($this->sections);
      $this->pre_sections = $this->pre_sections($this->sections);

      add_action('admin_footer', array($this, 'add_footer_modal_shortcode'));
      add_action('customize_controls_print_footer_scripts', array($this, 'add_footer_modal_shortcode'));
      add_action('wp_ajax_csf-get-shortcode-' . $this->unique, array($this, 'get_shortcode'));

      if (!empty($this->args['show_in_editor'])) {

        CSF::$shortcode_instances[$this->unique] = wp_parse_args(array('hash' => md5($key), 'modal_id' => $this->unique), $this->args);

        // elementor editor support
        if (CSF::is_active_plugin('elementor/elementor.php')) {
          add_action('elementor/editor/before_enqueue_scripts', array('CSF', 'add_admin_enqueue_scripts'));
          add_action('elementor/editor/footer', array('CSF_Field_icon', 'add_footer_modal_icon'));
          add_action('elementor/editor/footer', array($this, 'add_footer_modal_shortcode'));
        }
      }
    }

    // instance
    public static function instance($key, $params = array())
    {
      return new self($key, $params);
    }

    public function pre_tabs($sections)
    {

      $result  = array();
      $parents = array();
      $count   = 100;

      foreach ($sections as $key => $section) {
        if (!empty($section['parent'])) {
          $section['priority'] = (isset($section['priority'])) ? $section['priority'] : $count;
          $parents[$section['parent']][] = $section;
          unset($sections[$key]);
        }
        $count++;
      }

      foreach ($sections as $key => $section) {
        $section['priority'] = (isset($section['priority'])) ? $section['priority'] : $count;
        if (!empty($section['id']) && !empty($parents[$section['id']])) {
          $section['subs'] = wp_list_sort($parents[$section['id']], array('priority' => 'ASC'), 'ASC', true);
        }
        $result[] = $section;
        $count++;
      }

      return wp_list_sort($result, array('priority' => 'ASC'), 'ASC', true);
    }

    public function pre_sections($sections)
    {

      $result = array();

      foreach ($this->pre_tabs as $tab) {
        if (!empty($tab['subs'])) {
          foreach ($tab['subs'] as $sub) {
            $result[] = $sub;
          }
        }
        if (empty($tab['subs'])) {
          $result[] = $tab;
        }
      }

      return $result;
    }

    // get default value
    public function get_default($field)
    {

      $default = (isset($field['default'])) ? $field['default'] : '';
      $default = (isset($this->args['defaults'][$field['id']])) ? $this->args['defaults'][$field['id']] : $default;

      return $default;
    }

    public function add_footer_modal_shortcode()
    {

      if (!wp_script_is('csf')) {
        return;
      }

      $class        = ($this->args['class']) ? ' ' . esc_attr($this->args['class']) : '';
      $has_select   = (count($this->pre_tabs) > 1) ? true : false;
      $single_usage = (!$has_select) ? ' csf-shortcode-single' : '';
      $hide_header  = (!$has_select) ? ' hidden' : '';

?>
      <div id="csf-modal-<?php echo esc_attr($this->unique); ?>" class="wp-core-ui csf-modal csf-shortcode hidden<?php echo esc_attr($single_usage . $class); ?>" data-modal-id="<?php echo esc_attr($this->unique); ?>" data-nonce="<?php echo esc_attr(wp_create_nonce('csf_shortcode_nonce')); ?>">
        <div class="csf-modal-table">
          <div class="csf-modal-table-cell">
            <div class="csf-modal-overlay"></div>
            <div class="csf-modal-inner">
              <div class="csf-modal-title">
                <?php echo $this->args['button_title']; ?>
                <div class="csf-modal-close"></div>
              </div>
              <?php

              echo '<div class="csf-modal-header' . esc_attr($hide_header) . '">';
              echo '<select>';
              echo ($has_select) ? '<option value="">' . esc_attr($this->args['select_title']) . '</option>' : '';

              $tab_key = 1;

              foreach ($this->pre_tabs as $tab) {

                if (!empty($tab['subs'])) {

                  echo '<optgroup label="' . esc_attr($tab['title']) . '">';

                  foreach ($tab['subs'] as $sub) {

                    $view      = (!empty($sub['view'])) ? ' data-view="' . esc_attr($sub['view']) . '"' : '';
                    $shortcode = (!empty($sub['shortcode'])) ? ' data-shortcode="' . esc_attr($sub['shortcode']) . '"' : '';
                    $group     = (!empty($sub['group_shortcode'])) ? ' data-group="' . esc_attr($sub['group_shortcode']) . '"' : '';

                    echo '<option value="' . esc_attr($tab_key) . '"' . $view . $shortcode . $group . '>' . esc_attr($sub['title']) . '</option>';

                    $tab_key++;
                  }

                  echo '</optgroup>';
                } else {

                  $view      = (!empty($tab['view'])) ? ' data-view="' . esc_attr($tab['view']) . '"' : '';
                  $shortcode = (!empty($tab['shortcode'])) ? ' data-shortcode="' . esc_attr($tab['shortcode']) . '"' : '';
                  $group     = (!empty($tab['group_shortcode'])) ? ' data-group="' . esc_attr($tab['group_shortcode']) . '"' : '';

                  echo '<option value="' . esc_attr($tab_key) . '"' . $view . $shortcode . $group . '>' . esc_attr($tab['title']) . '</option>';

                  $tab_key++;
                }
              }

              echo '</select>';
              echo '</div>';

              ?>
              <div class="csf-modal-content">
                <div class="csf-modal-loading">
                  <div class="csf-loading"></div>
                </div>
                <div class="csf-modal-load"></div>
              </div>
              <div class="csf-modal-insert-wrapper hidden"><a href="#" class="button button-primary csf-modal-insert"><?php echo $this->args['insert_title']; ?></a></div>
            </div>
          </div>
        </div>
      </div>
<?php
    }

    public function get_shortcode()
    {

      ob_start();

      $nonce         = (!empty($_POST['nonce'])) ? sanitize_text_field(wp_unslash($_POST['nonce'])) : '';
      $shortcode_key = (!empty($_POST['shortcode_key'])) ? sanitize_text_field(wp_unslash($_POST['shortcode_key'])) : '';

      if (!empty($shortcode_key) && wp_verify_nonce($nonce, 'csf_shortcode_nonce')) {

        $unallows  = array('group', 'repeater', 'sorter');
        $section   = $this->pre_sections[$shortcode_key - 1];
        $shortcode = (!empty($section['shortcode'])) ? $section['shortcode'] : '';
        $view      = (!empty($section['view'])) ? $section['view'] : 'normal';

        if (!empty($section)) {

          //
          // View: normal
          if (!empty($section['fields']) && $view !== 'repeater') {

            echo '<div class="csf-fields">';

            echo (!empty($section['description'])) ? '<div class="csf-field csf-section-description">' . $section['description'] . '</div>' : '';

            foreach ($section['fields'] as $field) {

              if (in_array($field['type'], $unallows)) {
                $field['_notice'] = true;
              }

              // Extra tag improves for spesific fields (border, spacing, dimensions etc...)
              $field['tag_prefix'] = (!empty($field['tag_prefix'])) ? $field['tag_prefix'] . '_' : '';

              $field_default = (isset($field['id'])) ? $this->get_default($field) : '';

              CSF::field($field, $field_default, $shortcode, 'shortcode');
            }

            echo '</div>';
          }

          //
          // View: group and repeater fields
          $repeatable_fields = ($view === 'repeater' && !empty($section['fields'])) ? $section['fields'] : array();
          $repeatable_fields = ($view === 'group' && !empty($section['group_fields'])) ? $section['group_fields'] : $repeatable_fields;

          if (!empty($repeatable_fields)) {

            $button_title    = (!empty($section['button_title'])) ? ' ' . $section['button_title'] : esc_html__('Add New', 'csf');
            $inner_shortcode = (!empty($section['group_shortcode'])) ? $section['group_shortcode'] : $shortcode;

            echo '<div class="csf--repeatable">';

            echo '<div class="csf--repeat-shortcode">';

            echo '<div class="csf-repeat-remove fas fa-times"></div>';

            echo '<div class="csf-fields">';

            foreach ($repeatable_fields as $field) {

              if (in_array($field['type'], $unallows)) {
                $field['_notice'] = true;
              }

              // Extra tag improves for spesific fields (border, spacing, dimensions etc...)
              $field['tag_prefix'] = (!empty($field['tag_prefix'])) ? $field['tag_prefix'] . '_' : '';

              $field_default = (isset($field['id'])) ? $this->get_default($field) : '';

              CSF::field($field, $field_default, $inner_shortcode . '[0]', 'shortcode');
            }

            echo '</div>';

            echo '</div>';

            echo '</div>';

            echo '<div class="csf--repeat-button-block"><a class="button csf--repeat-button" href="#"><i class="fas fa-plus-circle"></i> ' . $button_title . '</a></div>';
          }
        }
      } else {
        echo '<div class="csf-field csf-error-text">' . esc_html__('Error: Invalid nonce verification.', 'csf') . '</div>';
      }

      wp_send_json_success(array('content' => ob_get_clean()));
    }

    // Once editor setup for gutenberg and media buttons
    public static function once_editor_setup()
    {

      if (function_exists('register_block_type')) {
        add_action('enqueue_block_editor_assets', array('CSF_Shortcoder', 'add_guteberg_blocks'));
      }

      if (csf_wp_editor_api()) {
        add_action('media_buttons', array('CSF_Shortcoder', 'add_media_buttons'));
      }
    }

    // Add gutenberg blocks.
    public static function add_guteberg_blocks()
    {

      $depends = array('wp-blocks', 'wp-element', 'wp-components');

      if (wp_script_is('wp-edit-widgets')) {
        $depends[] = 'wp-edit-widgets';
      } else {
        $depends[] = 'wp-edit-post';
      }

      wp_enqueue_script('csf-gutenberg-block', CSF::include_plugin_url('assets/js/gutenberg.js'), $depends);

      wp_localize_script('csf-gutenberg-block', 'csf_gutenberg_blocks', CSF::$shortcode_instances);

      foreach (CSF::$shortcode_instances as $value) {

        register_block_type('csf-gutenberg-block/block-' . $value['hash'], array(
          'editor_script' => 'csf-gutenberg-block',
        ));
      }
    }

    // Add media buttons
    public static function add_media_buttons($editor_id)
    {

      foreach (CSF::$shortcode_instances as $value) {
        echo '<a href="#" class="button button-primary csf-shortcode-button" data-editor-id="' . esc_attr($editor_id) . '" data-modal-id="' . esc_attr($value['modal_id']) . '">' . $value['button_title'] . '</a>';
      }
    }
  }
}