<?php
if (!defined('ABSPATH')) exit;

class MC_Gallery_Helpers {

    public static function get_tokens() {
        $arr = get_option(MCGALLERY_OPTION_KEY, []);
        return is_array($arr) ? $arr : [];
    }

    public static function save_tokens($arr) {
        update_option(MCGALLERY_OPTION_KEY, $arr);
    }

    public static function generate_token($length = 40) {
        if ($length % 2 !== 0) $length++;
        return bin2hex(random_bytes($length/2));
    }

    public static function find_or_create_gallery_post($player, $server_id) {
        $args = [
            'post_type' => 'mc_gallery',
            'posts_per_page' => 1,
            'meta_query' => [
                ['key' => 'mc_player', 'value' => $player],
                ['key' => 'mc_server', 'value' => $server_id]
            ]
        ];
        $q = get_posts($args);
        if (!empty($q)) return $q[0];

        $id = wp_insert_post([
            'post_type' => 'mc_gallery',
            'post_title' => "Galerie $player (Server $server_id)",
            'post_status' => 'publish',
            'meta_input' => [
                'mc_player' => $player,
                'mc_server' => $server_id
            ]
        ]);
        return get_post($id);
    }

    public static function error_log($msg) {
        if (defined('WP_DEBUG') && WP_DEBUG) error_log("[mc-gallery-pro] " . $msg);
    }

    public static function rest_response_success($data = []) {
        return new WP_REST_Response(['success' => true, 'data' => $data], 200);
    }
}