wordpress-theme-aksrt/src/AKSRT/Admin/Native/PayOrders.php

<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Admin\Native;

defined('ABSPATH') || exit;

class PayOrders {

    public const CAPABILITY = 'manage_options';
    public const PAGE_SLUG  = 'aksrt_orders';

    private static $instance = null;

    public static function get_instance(): self {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    public function init(): void {
        if (!is_admin()) {
            return;
        }
        add_action('admin_post_aksrt_pay_update_order_status', [$this, 'handle_update_order_status']);
        add_action('admin_post_aksrt_pay_update_order_note', [$this, 'handle_update_order_note']);
        add_action('admin_post_aksrt_pay_clear_closed_orders', [$this, 'handle_clear_closed_orders']);
        add_action('admin_post_aksrt_pay_delete_order', [$this, 'handle_delete_order']);
    }

    public function render_orders_page(): void {
        $this->ensure_cap();
        $this->render_header(__('订单', 'aksrt'));

        if (!class_exists('\AKSRT\Payment\OrderRepository')) {
            echo '<div class="notice notice-error"><p>' . esc_html__('订单服务不可用。', 'aksrt') . '</p></div>';
            $this->render_footer();
            return;
        }

        $detail_order = isset($_GET['order']) ? sanitize_text_field((string) wp_unslash($_GET['order'])) : '';
        if ($detail_order !== '') {
            $this->render_order_detail_page($detail_order);
            $this->render_footer();
            return;
        }

        $status       = isset($_GET['status']) ? sanitize_key((string) wp_unslash($_GET['status'])) : '';
        $search       = isset($_GET['s']) ? sanitize_text_field((string) wp_unslash($_GET['s'])) : '';
        $product_type = isset($_GET['product_type']) ? sanitize_key((string) wp_unslash($_GET['product_type'])) : '';
        $product_id   = isset($_GET['product_id']) ? max(0, (int) $_GET['product_id']) : 0;
        $user_id      = isset($_GET['user_id']) ? max(0, (int) $_GET['user_id']) : 0;
        $pay_method   = isset($_GET['payment_method']) ? sanitize_key((string) wp_unslash($_GET['payment_method'])) : '';
        $page_num     = max(1, (int) ($_GET['paged'] ?? 1));
        $per_page     = 20;

        $repo   = \AKSRT\Payment\OrderRepository::get_instance();
        $args   = [
            'limit'  => $per_page,
            'offset' => ($page_num - 1) * $per_page,
        ];
        if ($status !== '' && $status !== 'all') {
            $args['status'] = $status;
        }
        if ($product_type !== '') {
            $args['product_type'] = $product_type;
        }
        if ($product_id > 0) {
            $args['product_id'] = $product_id;
        }
        if ($user_id > 0) {
            $args['user_id'] = $user_id;
        }
        if ($pay_method !== '') {
            $args['payment_method'] = $pay_method;
        }

        $items = $repo->get_orders_admin($args, $search);
        $total = $repo->get_orders_count($args, $search);
        $pages = max(1, (int) ceil($total / $per_page));
        $labels = class_exists('\AKSRT\Core\DomainModel')
            ? \AKSRT\Core\DomainModel::order_status_labels()
            : [];

        // Type tabs (zibll order subsubsub parity).
        $type_tabs = [
            ''          => __('全部类型', 'aksrt'),
            'resource'  => __('内容付费', 'aksrt'),
            'vip'       => __('VIP', 'aksrt'),
            'recharge'  => __('充值', 'aksrt'),
            'shop_product' => __('商城商品', 'aksrt'),
            'plate_follow' => __('版块关注', 'aksrt'),
        ];
        echo '<ul class="subsubsub" style="float:none;margin:8px 0 12px;">';
        $tab_bits = [];
        foreach ($type_tabs as $tkey => $tlabel) {
            $url = $this->page_url('aksrt_orders', array_filter([
                'product_type'    => $tkey !== '' ? $tkey : null,
                'product_id'      => $product_id > 0 ? $product_id : null,
                'user_id'         => $user_id > 0 ? $user_id : null,
                'payment_method'  => $pay_method !== '' ? $pay_method : null,
                'status'          => ($status !== '' && $status !== 'all') ? $status : null,
            ]));
            $cls = ($product_type === $tkey) ? 'current' : '';
            $tab_bits[] = '<li><a class="' . esc_attr($cls) . '" href="' . esc_url($url) . '">' . esc_html($tlabel) . '</a></li>';
        }
        echo implode(' | ', $tab_bits);
        echo '</ul><div style="clear:both;"></div>';

        // Payment method quick tabs.
        $method_tabs = [
            ''        => __('全部支付', 'aksrt'),
            'balance' => __('余额', 'aksrt'),
            'points'  => __('积分', 'aksrt'),
            'alipay'  => __('支付宝', 'aksrt'),
            'wechat'  => __('微信', 'aksrt'),
        ];
        echo '<ul class="subsubsub" style="float:none;margin:0 0 12px;">';
        $m_bits = [];
        foreach ($method_tabs as $mkey => $mlabel) {
            $url = $this->page_url('aksrt_orders', array_filter([
                'product_type'   => $product_type !== '' ? $product_type : null,
                'product_id'     => $product_id > 0 ? $product_id : null,
                'user_id'        => $user_id > 0 ? $user_id : null,
                'payment_method' => $mkey !== '' ? $mkey : null,
                'status'         => ($status !== '' && $status !== 'all') ? $status : null,
            ]));
            $cls = ($pay_method === $mkey) ? 'current' : '';
            $m_bits[] = '<li><a class="' . esc_attr($cls) . '" href="' . esc_url($url) . '">' . esc_html($mlabel) . '</a></li>';
        }
        echo implode(' | ', $m_bits);
        echo '</ul><div style="clear:both;"></div>';

        echo '<form method="get" style="margin:12px 0;">';
        echo '<input type="hidden" name="page" value="aksrt_orders" />';
        if ($product_type !== '') {
            echo '<input type="hidden" name="product_type" value="' . esc_attr($product_type) . '" />';
        }
        if ($product_id > 0) {
            echo '<input type="hidden" name="product_id" value="' . esc_attr((string) $product_id) . '" />';
        }
        if ($pay_method !== '') {
            echo '<input type="hidden" name="payment_method" value="' . esc_attr($pay_method) . '" />';
        }
        echo '<select name="status">';
        echo '<option value="">' . esc_html__('全部状态', 'aksrt') . '</option>';
        foreach ($labels as $key => $label) {
            printf(
                '<option value="%s"%s>%s</option>',
                esc_attr($key),
                selected($status, $key, false),
                esc_html($label)
            );
        }
        echo '</select> ';
        echo '<input type="number" min="0" name="user_id" value="' . esc_attr($user_id > 0 ? (string) $user_id : '') . '" placeholder="' . esc_attr__('用户 ID', 'aksrt') . '" class="small-text" /> ';
        echo '<input type="search" name="s" value="' . esc_attr($search) . '" placeholder="' . esc_attr__('订单号 / 类型 / 用户', 'aksrt') . '" /> ';
        submit_button(__('筛选', 'aksrt'), 'secondary', '', false);
        if ($product_id > 0 || $product_type !== '' || $user_id > 0 || $pay_method !== '') {
            $filter_bits = [];
            if ($product_type !== '') {
                $filter_bits[] = sprintf(__('类型=%s', 'aksrt'), $product_type);
            }
            if ($product_id > 0) {
                $filter_bits[] = sprintf(__('商品ID=%d', 'aksrt'), $product_id);
            }
            if ($user_id > 0) {
                $filter_bits[] = sprintf(__('用户=%d', 'aksrt'), $user_id);
            }
            if ($pay_method !== '') {
                $filter_bits[] = sprintf(__('支付=%s', 'aksrt'), $pay_method);
            }
            echo ' <span class="description">' . esc_html(implode(' · ', $filter_bits)) . '</span>';
            echo ' <a class="button button-small" href="' . esc_url($this->page_url('aksrt_orders')) . '">' . esc_html__('清除过滤', 'aksrt') . '</a>';
        }
        echo '</form>';

        // Hygiene actions (zibll clear_order / delete).
        echo '<p style="margin:8px 0 12px;">';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:inline;" onsubmit="return confirm(\'' . esc_js(__('将删除 14 天前所有已关闭/已过期订单，不可恢复。确认清理？', 'aksrt')) . '\');">';
        echo '<input type="hidden" name="action" value="aksrt_pay_clear_closed_orders" />';
        echo '<input type="hidden" name="days" value="14" />';
        wp_nonce_field('aksrt_pay_clear_closed_orders');
        submit_button(__('清理 14 天前关闭订单', 'aksrt'), 'secondary', '', false);
        echo '</form>';
        echo '</p>';

        echo '<table class="wp-list-table widefat fixed striped">';
        echo '<thead><tr>';
        echo '<th>' . esc_html__('订单号', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('用户', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('类型', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('金额', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('状态', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('时间', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('操作', 'aksrt') . '</th>';
        echo '</tr></thead><tbody>';

        if (!$items) {
            echo '<tr><td colspan="7">' . esc_html__('暂无订单', 'aksrt') . '</td></tr>';
        }

        foreach ($items as $row) {
            $order_number = (string) ($row['order_number'] ?? '');
            $user_id      = (int) ($row['user_id'] ?? 0);
            $user         = $user_id > 0 ? get_userdata($user_id) : null;
            $status_key   = (string) ($row['status'] ?? '');
            $status_label = $labels[$status_key] ?? $status_key;

            echo '<tr>';
            echo '<td><code>' . esc_html($order_number) . '</code></td>';
            echo '<td>' . ($user ? esc_html($user->display_name . ' (#' . $user_id . ')') : esc_html((string) $user_id)) . '</td>';
            echo '<td>' . esc_html((string) ($row['product_type'] ?? '')) . '</td>';
            echo '<td>' . esc_html(number_format((float) ($row['amount'] ?? 0), 2)) . ' ' . esc_html((string) ($row['currency'] ?? '')) . '</td>';
            echo '<td>' . esc_html($status_label) . '</td>';
            echo '<td>' . esc_html((string) ($row['created_at'] ?? '')) . '</td>';
            echo '<td style="display:flex;gap:6px;flex-wrap:wrap;align-items:center;">';
            echo '<a class="button button-small" href="' . esc_url($this->page_url('aksrt_orders', ['order' => $order_number])) . '">' . esc_html__('详情', 'aksrt') . '</a>';
            $this->render_order_quick_status_buttons($order_number, $status_key);
            echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:flex;gap:4px;align-items:center;">';
            echo '<input type="hidden" name="action" value="aksrt_pay_update_order_status" />';
            echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
            wp_nonce_field('aksrt_pay_update_order_status_' . $order_number);
            echo '<select name="new_status">';
            foreach ($labels as $key => $label) {
                printf(
                    '<option value="%s"%s>%s</option>',
                    esc_attr($key),
                    selected($status_key, $key, false),
                    esc_html($label)
                );
            }
            echo '</select>';
            submit_button(__('更新', 'aksrt'), 'small', '', false);
            echo '</form>';
            if (in_array($status_key, ['cancelled', 'expired'], true)) {
                echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:inline;" onsubmit="return confirm(\'' . esc_js(__('确认永久删除此订单？不可恢复。', 'aksrt')) . '\');">';
                echo '<input type="hidden" name="action" value="aksrt_pay_delete_order" />';
                echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
                wp_nonce_field('aksrt_pay_delete_order_' . $order_number);
                submit_button(__('删除', 'aksrt'), 'small', '', false);
                echo '</form>';
            }
            echo '</td>';
            echo '</tr>';
        }

        echo '</tbody></table>';

        if ($pages > 1) {
            echo '<div class="tablenav"><div class="tablenav-pages">';
            echo paginate_links([
                'base'      => add_query_arg('paged', '%#%'),
                'format'    => '',
                'prev_text' => '&laquo;',
                'next_text' => '&raquo;',
                'total'     => $pages,
                'current'   => $page_num,
            ]);
            echo '</div></div>';
        }

        $this->render_footer();
    }

    private function render_order_detail_page(string $order_number): void {
        $repo  = \AKSRT\Payment\OrderRepository::get_instance();
        $order = $repo->get($order_number);
        if (!$order) {
            echo '<div class="notice notice-error"><p>' . esc_html__('订单不存在。', 'aksrt') . '</p></div>';
            echo '<p><a class="button" href="' . esc_url($this->page_url('aksrt_orders')) . '">' . esc_html__('返回订单列表', 'aksrt') . '</a></p>';
            return;
        }

        $labels = class_exists('\AKSRT\Core\DomainModel')
            ? \AKSRT\Core\DomainModel::order_status_labels()
            : [];
        $context = $repo->get_admin_order_context($order_number);
        $user_id = (int) ($order['user_id'] ?? 0);
        $user    = $user_id > 0 ? get_userdata($user_id) : null;
        $status  = (string) ($order['status'] ?? '');
        $meta    = is_array($order['meta_payload'] ?? null) ? $order['meta_payload'] : [];
        $customer_note = (string) ($context['customer_note'] ?? $order['note_text'] ?? '');
        $admin_note    = is_array($meta) ? (string) ($meta['admin_note'] ?? '') : '';
        if ($admin_note === '' && $customer_note === '' && !empty($order['note']) && !is_array(json_decode((string) $order['note'], true))) {
            $admin_note = (string) $order['note'];
        }

        $shipping_items = class_exists('\AKSRT\Payment\Shipping')
            ? \AKSRT\Payment\Shipping::get_instance()->get_by_order($order_number)
            : [];
        $after_sale = class_exists('\AKSRT\Payment\AfterSale')
            ? (\AKSRT\Payment\AfterSale::get_instance()->get_list(['order_number' => $order_number, 'limit' => 20])['items'] ?? [])
            : [];

        echo '<p><a class="button" href="' . esc_url($this->page_url('aksrt_orders')) . '">&larr; ' . esc_html__('返回订单列表', 'aksrt') . '</a></p>';

        echo '<table class="widefat striped" style="max-width:960px;"><tbody>';
        $rows = [
            __('订单号', 'aksrt') => $order_number,
            __('用户', 'aksrt') => $user ? $user->display_name . ' (#' . $user_id . ')' : (string) $user_id,
            __('商品类型', 'aksrt') => (string) ($order['product_type'] ?? ''),
            __('商品 ID', 'aksrt') => (string) ($order['product_id'] ?? ''),
            __('金额', 'aksrt') => number_format((float) ($order['amount'] ?? 0), 2) . ' ' . (string) ($order['currency'] ?? ''),
            __('状态', 'aksrt') => $labels[$status] ?? $status,
            __('支付方式', 'aksrt') => (string) ($order['payment_method'] ?? ''),
            __('交易号', 'aksrt') => (string) ($order['payment_transaction_id'] ?? ''),
            __('创建时间', 'aksrt') => (string) ($order['created_at'] ?? ''),
            __('支付时间', 'aksrt') => (string) ($order['paid_at'] ?? ''),
            __('买家备注', 'aksrt') => $customer_note,
        ];
        foreach ($rows as $label => $value) {
            echo '<tr><th style="width:160px;">' . esc_html($label) . '</th><td>' . esc_html((string) $value) . '</td></tr>';
        }
        if (!empty($context)) {
            echo '<tr><th>' . esc_html__('附加上下文', 'aksrt') . '</th><td><pre style="white-space:pre-wrap;margin:0;">' . esc_html(wp_json_encode($context, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT)) . '</pre></td></tr>';
        }
        echo '</tbody></table>';

        echo '<h2 style="margin-top:20px;">' . esc_html__('运营备注', 'aksrt') . '</h2>';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="max-width:960px;">';
        echo '<input type="hidden" name="action" value="aksrt_pay_update_order_note" />';
        echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
        wp_nonce_field('aksrt_pay_update_order_note_' . $order_number);
        echo '<p><textarea name="admin_note" rows="3" class="large-text">' . esc_textarea($admin_note) . '</textarea></p>';
        submit_button(__('保存备注', 'aksrt'), 'secondary', '', false);
        echo '</form>';

        echo '<h2 style="margin-top:20px;">' . esc_html__('更新状态', 'aksrt') . '</h2>';
        echo '<div style="display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px;">';
        $this->render_order_quick_status_buttons($order_number, $status, true);
        echo '</div>';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:flex;gap:8px;align-items:center;">';
        echo '<input type="hidden" name="action" value="aksrt_pay_update_order_status" />';
        echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
        echo '<input type="hidden" name="redirect_order" value="' . esc_attr($order_number) . '" />';
        wp_nonce_field('aksrt_pay_update_order_status_' . $order_number);
        echo '<select name="new_status">';
        foreach ($labels as $key => $label) {
            printf('<option value="%s"%s>%s</option>', esc_attr($key), selected($status, $key, false), esc_html($label));
        }
        echo '</select> ';
        submit_button(__('保存状态', 'aksrt'), 'primary', '', false);
        echo '</form>';

        echo '<h2 style="margin-top:24px;">' . esc_html__('物流记录', 'aksrt') . '</h2>';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="margin:8px 0 16px;display:flex;flex-wrap:wrap;gap:8px;align-items:end;">';
        echo '<input type="hidden" name="action" value="aksrt_pay_create_shipping" />';
        echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
        echo '<input type="hidden" name="redirect_page" value="order" />';
        wp_nonce_field('aksrt_pay_create_shipping_' . $order_number);
        echo '<p><label>' . esc_html__('承运商', 'aksrt') . '<br>';
        $this->render_carrier_field('');
        echo '</label></p>';
        echo '<p><label>' . esc_html__('运单号', 'aksrt') . '<br><input type="text" name="tracking_no" required /></label></p>';
        echo '<p><label>' . esc_html__('备注', 'aksrt') . '<br><input type="text" name="note" /></label></p>';
        submit_button(__('创建发货', 'aksrt'), 'secondary', '', false);
        echo ' <a class="button" href="' . esc_url($this->page_url('aksrt_shipping', ['s' => $order_number])) . '">' . esc_html__('物流管理', 'aksrt') . '</a>';
        echo '</form>';
        if (!$shipping_items) {
            echo '<p>' . esc_html__('暂无物流记录。', 'aksrt') . '</p>';
        } else {
            $status_options = $this->shipping_status_options(false);
            echo '<table class="widefat striped"><thead><tr><th>ID</th><th>' . esc_html__('承运商', 'aksrt') . '</th><th>' . esc_html__('运单号', 'aksrt') . '</th><th>' . esc_html__('状态', 'aksrt') . '</th><th>' . esc_html__('时间', 'aksrt') . '</th><th>' . esc_html__('操作', 'aksrt') . '</th></tr></thead><tbody>';
            foreach ($shipping_items as $item) {
                $sid = (int) ($item['id'] ?? 0);
                $st  = (string) ($item['status'] ?? '');
                echo '<tr>';
                echo '<td>' . esc_html((string) $sid) . '</td>';
                echo '<td>' . esc_html((string) ($item['carrier'] ?? '')) . '</td>';
                echo '<td>' . esc_html((string) ($item['tracking_no'] ?? '')) . '</td>';
                echo '<td>' . esc_html($status_options[$st] ?? $st) . '</td>';
                echo '<td>' . esc_html((string) ($item['created_at'] ?? '')) . '</td>';
                echo '<td><form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:flex;gap:4px;align-items:center;">';
                echo '<input type="hidden" name="action" value="aksrt_pay_update_shipping" />';
                echo '<input type="hidden" name="shipping_id" value="' . esc_attr((string) $sid) . '" />';
                echo '<input type="hidden" name="redirect_order" value="' . esc_attr($order_number) . '" />';
                wp_nonce_field('aksrt_pay_update_shipping_' . $sid);
                echo '<select name="new_status">';
                foreach ($status_options as $key => $label) {
                    printf('<option value="%s"%s>%s</option>', esc_attr($key), selected($st, $key, false), esc_html($label));
                }
                echo '</select>';
                echo '<input type="text" name="note" placeholder="' . esc_attr__('备注', 'aksrt') . '" />';
                submit_button(__('更新', 'aksrt'), 'small', '', false);
                echo '</form></td>';
                echo '</tr>';
            }
            echo '</tbody></table>';
        }

        echo '<h2 style="margin-top:24px;">' . esc_html__('售后工单', 'aksrt') . '</h2>';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="margin:8px 0 16px;display:flex;flex-wrap:wrap;gap:8px;align-items:end;">';
        echo '<input type="hidden" name="action" value="aksrt_pay_create_after_sale" />';
        echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
        echo '<input type="hidden" name="user_id" value="' . esc_attr((string) $user_id) . '" />';
        echo '<input type="hidden" name="redirect_page" value="order" />';
        wp_nonce_field('aksrt_pay_create_after_sale_' . $order_number);
        echo '<p><label>' . esc_html__('类型', 'aksrt') . '<br><select name="type">';
        foreach ($this->after_sale_type_options(false) as $k => $label) {
            printf('<option value="%s">%s</option>', esc_attr($k), esc_html($label));
        }
        echo '</select></label></p>';
        echo '<p><label>' . esc_html__('金额', 'aksrt') . '<br><input type="number" step="0.01" min="0" name="amount" value="' . esc_attr((string) ($order['amount'] ?? 0)) . '" /></label></p>';
        echo '<p><label>' . esc_html__('原因', 'aksrt') . '<br><input type="text" name="reason" required class="regular-text" /></label></p>';
        echo '<p><label>' . esc_html__('备注', 'aksrt') . '<br><input type="text" name="note" /></label></p>';
        submit_button(__('创建售后', 'aksrt'), 'secondary', '', false);
        echo ' <a class="button" href="' . esc_url($this->page_url('aksrt_after_sale', ['s' => $order_number])) . '">' . esc_html__('售后管理', 'aksrt') . '</a>';
        echo '</form>';
        if (!$after_sale) {
            echo '<p>' . esc_html__('暂无售后工单。', 'aksrt') . '</p>';
        } else {
            echo '<table class="widefat striped"><thead><tr><th>ID</th><th>' . esc_html__('类型', 'aksrt') . '</th><th>' . esc_html__('状态', 'aksrt') . '</th><th>' . esc_html__('时间', 'aksrt') . '</th><th>' . esc_html__('操作', 'aksrt') . '</th></tr></thead><tbody>';
            foreach ($after_sale as $item) {
                $tid = (int) ($item['id'] ?? 0);
                echo '<tr>';
                echo '<td>' . esc_html((string) $tid) . '</td>';
                echo '<td>' . esc_html((string) ($item['type_label'] ?? $item['type'] ?? '')) . '</td>';
                echo '<td>' . esc_html((string) ($item['status_label'] ?? $item['status'] ?? '')) . '</td>';
                echo '<td>' . esc_html((string) ($item['created_at'] ?? '')) . '</td>';
                echo '<td><a href="' . esc_url($this->page_url('aksrt_after_sale', ['s' => $order_number])) . '">' . esc_html__('在售后页处理', 'aksrt') . '</a></td>';
                echo '</tr>';
            }
            echo '</tbody></table>';
        }
    }

    public function handle_update_order_status(): void {
        if (!current_user_can(self::CAPABILITY)) {
            wp_die(esc_html__('权限不足', 'aksrt'));
        }

        $order_number = isset($_POST['order_number']) ? sanitize_text_field((string) wp_unslash($_POST['order_number'])) : '';
        $new_status   = isset($_POST['new_status']) ? sanitize_key((string) wp_unslash($_POST['new_status'])) : '';
        check_admin_referer('aksrt_pay_update_order_status_' . $order_number);

        $ok = false;
        if ($order_number !== '' && $new_status !== '' && class_exists('\AKSRT\Payment\OrderRepository')) {
            $ok = \AKSRT\Payment\OrderRepository::get_instance()->update_status($order_number, $new_status, ['force' => true]);
        }

        $args = ['aksrt_pay_msg' => $ok ? 'order_updated' : 'order_failed'];
        $redirect_order = isset($_POST['redirect_order']) ? sanitize_text_field((string) wp_unslash($_POST['redirect_order'])) : '';
        if ($redirect_order !== '') {
            $args['order'] = $redirect_order;
        }

        wp_safe_redirect($this->page_url('aksrt_orders', $args));
        exit;
    }

    public function handle_update_order_note(): void {
        if (!current_user_can(self::CAPABILITY)) {
            wp_die(esc_html__('权限不足', 'aksrt'));
        }

        $order_number = isset($_POST['order_number']) ? sanitize_text_field((string) wp_unslash($_POST['order_number'])) : '';
        $admin_note   = isset($_POST['admin_note']) ? sanitize_textarea_field((string) wp_unslash($_POST['admin_note'])) : '';
        check_admin_referer('aksrt_pay_update_order_note_' . $order_number);

        $ok = false;
        if ($order_number !== '' && class_exists('\AKSRT\Payment\OrderRepository')) {
            $ok = \AKSRT\Payment\OrderRepository::get_instance()->update_admin_note($order_number, $admin_note);
        }

        wp_safe_redirect($this->page_url('aksrt_orders', [
            'order'         => $order_number,
            'aksrt_pay_msg' => $ok ? 'order_note_updated' : 'order_note_failed',
        ]));
        exit;
    }

    public function handle_clear_closed_orders(): void {
        if (!current_user_can(self::CAPABILITY)) {
            wp_die(esc_html__('权限不足', 'aksrt'));
        }
        check_admin_referer('aksrt_pay_clear_closed_orders');
        $days = isset($_POST['days']) ? max(1, min(3650, (int) $_POST['days'])) : 14;
        $deleted = 0;
        if (class_exists('\AKSRT\Payment\OrderRepository')) {
            $deleted = \AKSRT\Payment\OrderRepository::get_instance()->clear_closed_orders($days);
        }
        wp_safe_redirect($this->page_url('aksrt_orders', [
            'aksrt_pay_msg' => $deleted > 0 ? 'orders_cleared' : 'orders_clear_empty',
            'cleared'       => $deleted,
        ]));
        exit;
    }

    public function handle_delete_order(): void {
        if (!current_user_can(self::CAPABILITY)) {
            wp_die(esc_html__('权限不足', 'aksrt'));
        }
        $order_number = isset($_POST['order_number']) ? sanitize_text_field((string) wp_unslash($_POST['order_number'])) : '';
        check_admin_referer('aksrt_pay_delete_order_' . $order_number);
        $ok = false;
        if ($order_number !== '' && class_exists('\AKSRT\Payment\OrderRepository')) {
            $order = \AKSRT\Payment\OrderRepository::get_instance()->get($order_number);
            $status = is_array($order) ? (string) ($order['status'] ?? '') : '';
            // Only allow hard-delete of closed/expired rows (safety).
            if (in_array($status, ['cancelled', 'expired'], true)) {
                $ok = \AKSRT\Payment\OrderRepository::get_instance()->delete_order($order_number);
            }
        }
        wp_safe_redirect($this->page_url('aksrt_orders', [
            'aksrt_pay_msg' => $ok ? 'order_deleted' : 'order_delete_failed',
        ]));
        exit;
    }

    private function shipping_status_options(bool $include_all = false): array {
        if (class_exists('PayShipping')) {
            return PayShipping::get_instance()->shipping_status_options_public($include_all);
        }
        return $include_all ? ['' => __('全部状态', 'aksrt')] : [];
    }

    private function after_sale_type_options(bool $include_all = false): array {
        if (class_exists('PayAfterSale')) {
            return PayAfterSale::get_instance()->after_sale_type_options_public($include_all);
        }
        return $include_all ? ['' => __('全部类型', 'aksrt')] : [
            'refund' => __('仅退款', 'aksrt'),
        ];
    }

    private function render_carrier_field(string $selected = ''): void {
        if (class_exists('PayShipping')) {
            PayShipping::get_instance()->render_carrier_field_public($selected);
            return;
        }
        echo '<input type="text" name="carrier" value="' . esc_attr($selected) . '" required />';
    }

    private function render_order_quick_status_buttons(string $order_number, string $current_status, bool $redirect_detail = false): void {
        $actions = [
            'completed' => __('完成', 'aksrt'),
            'refunded'  => __('退款', 'aksrt'),
            'cancelled' => __('关闭', 'aksrt'),
        ];
        foreach ($actions as $status => $label) {
            if ($status === $current_status) {
                continue;
            }
            $confirm = '';
            if ($status === 'refunded') {
                $confirm = __('确认将该订单标记为已退款？', 'aksrt');
            } elseif ($status === 'cancelled') {
                $confirm = __('确认关闭该订单？', 'aksrt');
            } elseif ($status === 'completed') {
                $confirm = __('确认完成该订单？', 'aksrt');
            }
            echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="display:inline;">';
            echo '<input type="hidden" name="action" value="aksrt_pay_update_order_status" />';
            echo '<input type="hidden" name="order_number" value="' . esc_attr($order_number) . '" />';
            echo '<input type="hidden" name="new_status" value="' . esc_attr($status) . '" />';
            if ($redirect_detail) {
                echo '<input type="hidden" name="redirect_order" value="' . esc_attr($order_number) . '" />';
            }
            wp_nonce_field('aksrt_pay_update_order_status_' . $order_number);
            printf(
                '<button type="submit" class="button button-small"%s>%s</button>',
                $confirm !== '' ? ' onclick="return confirm(\'' . esc_js($confirm) . '\');"' : '',
                esc_html($label)
            );
            echo '</form>';
        }
    }



    private function ensure_cap(): void {
        if (!current_user_can(self::CAPABILITY)) {
            wp_die(esc_html__('您没有权限访问此页面。', 'aksrt'));
        }
    }

    private function render_header(string $title): void {
        echo '<div class="wrap">';
        echo '<h1>' . esc_html($title) . '</h1>';
        $this->render_flash();
    }

    private function render_footer(): void {
        echo '</div>';
    }

    private function render_flash(): void {
        if (empty($_GET['aksrt_pay_msg'])) {
            return;
        }
        $code = sanitize_key((string) wp_unslash($_GET['aksrt_pay_msg']));
        $map  = [
            'order_updated'            => __('订单状态已更新。', 'aksrt'),
            'order_failed'             => __('订单状态更新失败。', 'aksrt'),
            'order_note_updated'       => __('订单备注已保存。', 'aksrt'),
            'order_note_failed'        => __('订单备注保存失败。', 'aksrt'),
            'orders_cleared'           => sprintf(
                /* translators: %d deleted count */
                __('已清理 %d 条关闭订单。', 'aksrt'),
                max(0, (int) ($_GET['cleared'] ?? 0))
            ),
            'orders_clear_empty'       => __('没有可清理的关闭订单。', 'aksrt'),
            'order_deleted'            => __('订单已删除。', 'aksrt'),
            'order_delete_failed'      => __('订单删除失败（仅允许删除已关闭/过期订单）。', 'aksrt'),
            'shipping_updated'         => __('物流状态已更新。', 'aksrt'),
            'shipping_failed'          => __('物流状态更新失败。', 'aksrt'),
            'shipping_created'         => __('发货记录已创建。', 'aksrt'),
            'shipping_create_failed'   => __('发货记录创建失败。', 'aksrt'),
            'after_sale_created'       => __('售后工单已创建。', 'aksrt'),
            'after_sale_create_failed' => __('售后工单创建失败。', 'aksrt'),
        ];
        if (!isset($map[$code])) {
            return;
        }
        $class = str_contains($code, 'failed') ? 'notice-error' : 'notice-success';
        echo '<div class="notice ' . esc_attr($class) . ' is-dismissible"><p>' . esc_html($map[$code]) . '</p></div>';
    }

    private function page_url(string $slug, array $args = []): string {
        return add_query_arg(array_merge(['page' => $slug], $args), admin_url('admin.php'));
    }

    private function render_pagination(int $pages, int $page_num): void {
        if ($pages <= 1) {
            return;
        }
        echo '<div class="tablenav"><div class="tablenav-pages">';
        echo paginate_links([
            'base'      => add_query_arg('paged', '%#%'),
            'format'    => '',
            'prev_text' => '&laquo;',
            'next_text' => '&raquo;',
            'total'     => $pages,
            'current'   => $page_num,
        ]);
        echo '</div></div>';
    }
}