<?php
defined('ABSPATH') || exit;

trait AKSRT_Forum_View_Builder_Part_2 {


    public function ajax_search_topics(): void {
        $search = sanitize_text_field((string) ($_GET['q'] ?? $_POST['q'] ?? ''));
        $limit  = min(50, max(5, (int) ($_GET['limit'] ?? 20)));

        if (!taxonomy_exists('aksrt_forum_topic_cat')) {
            wp_send_json_success([]);
        }

        $args = [
            'taxonomy'   => 'aksrt_forum_topic_cat',
            'hide_empty' => false,
            'number'     => $limit,
            'orderby'    => 'name',
            'order'      => 'ASC',
        ];
        if ($search !== '') {
            $args['search'] = $search;
        }

        $terms = get_terms($args);
        $results = [];
        if (!is_wp_error($terms)) {
            foreach ($terms as $term) {
                $results[] = ['id' => (int) $term->term_id, 'name' => (string) $term->name];
            }
        }

        wp_send_json_success($results);
    }

    public function template_routing(string $template): string {
        // Plate CPT single → board template
        if (is_singular('aksrt_forum_plate')) {
            $plate_template = AKSRT_DIR . '/templates/forum/forum-plate.php';
            if (file_exists($plate_template)) {
                return $plate_template;
            }
            $board_template = AKSRT_DIR . '/templates/forum/forum-board.php';
            if (file_exists($board_template)) {
                return $board_template;
            }
        }

        // Plate category (分区) archive
        if (is_tax('aksrt_plate_cat')) {
            $cat_template = AKSRT_DIR . '/templates/forum/forum-plate-cat.php';
            if (file_exists($cat_template)) {
                return $cat_template;
            }
        }

        if (is_tax('aksrt_forum_board')) {
            $board_template = AKSRT_DIR . '/templates/forum/forum-board.php';
            if (file_exists($board_template)) {
                return $board_template;
            }
        }

        if (is_tax('aksrt_forum_tag')) {
            $tag_template = AKSRT_DIR . '/templates/forum/forum-tag.php';
            if (file_exists($tag_template)) {
                return $tag_template;
            }
        }

        if (is_singular('aksrt_forum_topic')) {
            if (isset($_GET['edit']) && $_GET['edit'] === '1') {
                $edit_template = AKSRT_DIR . '/templates/forum/forum-edit.php';
                if (file_exists($edit_template)) {
                    return $edit_template;
                }
            }

            $topic_template = AKSRT_DIR . '/templates/forum/forum-topic.php';
            if (file_exists($topic_template)) {
                return $topic_template;
            }
        }

        return $template;
    }

    public function ajax_topic_list(): void {
        $user_id = get_current_user_id();
        if (!$this->forum->is_forum_admin($user_id)) {
            wp_send_json_error(['message' => __('权限不足', 'aksrt')]);
        }

        $board_id = (int) ($_GET['board_id'] ?? 0);
        $limit = max(1, min(100, (int) ($_GET['limit'] ?? 20)));
        $view = $this->get_topic_list([
            'board_id' => $board_id,
            'limit' => $limit,
            'status' => 'all',
            'viewer_user_id' => get_current_user_id(),
            'include_hidden' => true,
        ]);

        wp_send_json_success([
            'topics' => $view['items'],
            'stats' => $this->get_stats(),
        ]);
    }
}