<?php

namespace WpifyWooDeps\Wpify\CustomFields;

use WP_Post;
use WP_REST_Controller;
use WP_REST_Request;
use WP_REST_Response;
use WP_REST_Server;
final class Api extends WP_REST_Controller
{
    protected $rest_base = 'wcf';
    /**
     * @var CustomFields
     */
    private $wcf;
    private $rest_url;
    /**
     * Api constructor.
     */
    public function __construct(CustomFields $wcf)
    {
        $this->wcf = $wcf;
        add_action('rest_api_init', array($this, 'register_routes'));
    }
    /**
     * @return void
     */
    public function register_routes()
    {
        register_rest_route($this->get_namespace(), '/list', array(array('methods' => WP_REST_Server::CREATABLE, 'callback' => array($this, 'get_list'), 'permission_callback' => function () {
            return current_user_can('read');
        })));
        register_rest_route($this->get_namespace(), '/posts', array(array('methods' => WP_REST_Server::CREATABLE, 'callback' => array($this, 'get_posts'), 'permission_callback' => function () {
            return current_user_can('read');
        })));
        register_rest_route($this->get_namespace(), '/options', array(array('methods' => WP_REST_Server::ALLMETHODS, 'callback' => array($this, 'get_options'), 'permission_callback' => function () {
            return current_user_can('read');
        })));
    }
    /**
     * @return string
     */
    private function get_namespace(): string
    {
        return $this->rest_base . '/' . substr(md5(__FILE__), 0, 10);
    }
    /**
     * @return string
     */
    public function get_rest_url(): string
    {
        if (!$this->rest_url) {
            $this->rest_url = rest_url($this->get_namespace());
        }
        return $this->rest_url;
    }
    /**
     * @return string
     */
    public function get_rest_path(): string
    {
        return '/' . $this->get_namespace();
    }
    /**
     * @return false|string
     */
    public function get_rest_nonce()
    {
        return wp_create_nonce('wp_rest');
    }
    /**
     * @param WP_REST_Request $request
     *
     * @return WP_REST_Response
     */
    public function get_list(WP_REST_Request $request): WP_REST_Response
    {
        $params = wp_parse_args($request->get_params(), array('list_type' => 'empty'));
        $response = apply_filters('wcf_list_' . $params['list_type'], array(), $params);
        return new WP_REST_Response($response, 200);
    }
    /**
     * @param WP_REST_Request $request
     *
     * @return WP_REST_Response
     */
    public function get_posts(WP_REST_Request $request): WP_REST_Response
    {
        $params = $request->get_params();
        $query_args = (!empty($params['query_args']) && is_array($params['query_args'])) ? array() : $params['query_args'];
        $query_args = wp_parse_args($query_args, array('post_type' => $params['post_type'], 'posts_per_page' => 20, 's' => $params['search']));
        $current_posts = (!empty($params['current_value'])) ? get_posts(array('post_type' => $query_args['post_type'], 'include' => $params['current_value'], 'posts_per_page' => -1, 'post_status' => 'any')) : array();
        $query_args['exclude'] = array_map(function (WP_Post $post) {
            return $post->ID;
        }, $current_posts);
        $query_args = apply_filters('wcf_get_posts_args', $query_args, $params);
        $posts = array_merge($current_posts, get_posts($query_args));
        $response = array_map(array($this, 'transform_post_for_select'), $posts);
        return new WP_REST_Response($response, 200);
    }
    /**
     * @param WP_Post $post
     *
     * @return array
     */
    private function transform_post_for_select(WP_Post $post): array
    {
        return array('value' => $post->ID, 'label' => get_the_title($post) . ' [ID ' . $post->ID . ']', 'excerpt' => get_the_excerpt($post), 'thumbnail' => get_the_post_thumbnail_url($post));
    }
    public function register_fields_options()
    {
        foreach ($this->wcf->registered as $registered) {
            $data = $registered->get_data();
            $registered->fill_selects($data['items'], null, \false);
        }
    }
    public function get_options(WP_REST_Request $request): WP_REST_Response
    {
        $this->register_fields_options();
        $args = $request->get_params();
        $callback = $this->wcf->get_api_callback($args['options']);
        $items = array();
        if (is_callable($callback)) {
            $items = $callback($args);
            $items = Helpers::normalize_options($items);
            if (empty($args['search']) && !empty($args['value']) && (empty($args['type']) || !in_array($args['type'], array('post', 'multi_post')))) {
                $default_args = $args;
                $default_args['value'] = array();
                $set_values = array_map(function ($option) {
                    return $option['value'];
                }, $items);
                $default_options = $callback($default_args);
                $default_options = Helpers::normalize_options($default_options);
                foreach ($default_options as $default_option) {
                    if (!in_array($default_option['value'], $set_values)) {
                        $items[] = $default_option;
                    }
                }
            }
        }
        return rest_ensure_response(array_values($items));
    }
}