<?php
/**
 * @package WP Content Aware Engine
 * @author Joachim Jensen <joachim@dev.institute>
 * @license GPLv3
 * @copyright 2020 by Joachim Jensen
 */

defined('ABSPATH') || exit;

/**
 *
 * BuddyPress Member Page Module
 * Requires BuddyPress 2.6+
 *
 * Detects if current content is:
 * a) a specific buddypress member page
 *
 */
class WPCAModule_bp_member extends WPCAModule_Base
{

    /**
     * @var string
     */
    protected $category = 'plugins';

    /**
     * Cached search string
     * @var string
     */
    protected $search_string;

    /**
     * Constructor
     */
    public function __construct()
    {
        parent::__construct('bp_member', __('BuddyPress Profiles', WPCA_DOMAIN));
        $this->default_value = 0;
        $this->placeholder = __('All Sections', WPCA_DOMAIN);

        $this->query_name = 'cbp';
    }

    /**
     * @return bool
     */
    public function can_enable()
    {
        return defined('BP_VERSION');
    }

    /**
     * Initiate module
     *
     * @since  2.0
     * @return void
     */
    public function initiate()
    {
        parent::initiate();
        add_filter(
            'wpca/module/static/in-context',
            array($this,'static_is_content')
        );
    }

    /**
     * Get content for sidebar editor
     *
     * @global  object    $bp
     * @since   1.0
     * @param   array     $args
     * @return  array
     */
    protected function _get_content($args = array())
    {
        global $bp;

        if (isset($args['paged']) && $args['paged'] > 1) {
            return array();
        }

        $content = array();
        $is_search = isset($args['search']) && $args['search'];

        if (isset($bp->members->nav)) {
            foreach ($bp->members->nav->get_item_nav() as $item) {
                $content[$item->slug] = array(
                    'id'   => $item->slug,
                    'text' => strip_tags($item->name)
                );
                if ($item->children) {
                    $level = $is_search ? 0 : 1;
                    foreach ($item->children as $child_item) {
                        $content[$item->slug.'-'.$child_item->slug] = array(
                            'text'  => strip_tags($child_item->name),
                            'id'    => $item->slug.'-'.$child_item->slug,
                            'level' => $level
                        );
                    }
                }
            }
        }

        if (!empty($args['include'])) {
            $content = array_intersect_key($content, array_flip($args['include']));
        } elseif ($is_search) {
            $this->search_string = $args['search'];
            $content = array_filter($content, array($this,'_filter_search'));
        }

        return $content;
    }

    /**
     * Filter content based on search
     *
     * @since  2.0
     * @param  string  $value
     * @return boolean
     */
    protected function _filter_search($value)
    {
        return mb_stripos($value['text'], $this->search_string) !== false;
    }

    /**
     * @global object  $bp
     * @since  1.0
     * @return boolean
     */
    public function in_context()
    {
        global $bp;
        return isset($bp->displayed_user->domain) && $bp->displayed_user->domain;
    }

    /**
     * Get data from context
     *
     * @global object $bp
     * @since  1.0
     * @return array
     */
    public function get_context_data()
    {
        global $bp;
        $data = array($this->default_value);
        if (isset($bp->current_component)) {
            $data[] = $bp->current_component;
            if (isset($bp->current_action)) {
                $data[] = $bp->current_component.'-'.$bp->current_action;
            }
        }
        return $data;
    }

    /**
     * Avoid collision with content of static module
     * Somehow buddypress pages pass is_404()
     *
     * @since  1.0
     * @param  boolean $content
     * @return boolean
     */
    public function static_is_content($content)
    {
        //TODO: test if deprecated
        return $content && !$this->in_context();
    }
}