wordpress-theme-aksrt/src/Admin/Native/PayChargeCards.php

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

namespace AKSRT\Admin\Native;

defined('ABSPATH') || exit;

class PayChargeCards {

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

    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_disable_charge_card', [$this, 'handle_disable_charge_card']);
        add_action('admin_post_aksrt_pay_batch_charge_cards', [$this, 'handle_batch_charge_cards']);
    }

    public function render_charge_cards_page(): void {
        $this->ensure_cap();
        $this->render_header(__('卡密管理', 'aksrt'));

        if (!class_exists('\AKSRT\Payment\ChargeCard')) {
            echo '<div class="notice notice-error"><p>' . esc_html__('卡密模块未初始化。', 'aksrt') . '</p></div>';
            $this->render_footer();
            return;
        }

        $status   = isset($_GET['status']) ? sanitize_key((string) wp_unslash($_GET['status'])) : '';
        $type     = isset($_GET['type']) ? sanitize_key((string) wp_unslash($_GET['type'])) : '';
        $search   = isset($_GET['s']) ? sanitize_text_field((string) wp_unslash($_GET['s'])) : '';
        $page_num = max(1, (int) ($_GET['paged'] ?? 1));
        $per_page = 20;
        $svc      = \AKSRT\Payment\ChargeCard::get_instance();
        $stats    = $svc->get_stats();
        $type_labels = [
            'balance' => __('余额', 'aksrt'),
            'vip'     => __('VIP', 'aksrt'),
            'credits' => __('积分', 'aksrt'),
            'points'  => __('积分', 'aksrt'),
        ];
        $status_labels = [
            'active'   => __('可用', 'aksrt'),
            'used'     => __('已用', 'aksrt'),
            'disabled' => __('已禁用', 'aksrt'),
            'expired'  => __('已过期', 'aksrt'),
        ];

        echo '<p>' . esc_html(sprintf(
            /* translators: 1: total 2: active 3: used */
            __('共 %1$d 张 · 可用 %2$d · 已用 %3$d', 'aksrt'),
            (int) ($stats['total'] ?? 0),
            (int) ($stats['active'] ?? 0),
            (int) ($stats['used'] ?? 0)
        )) . '</p>';

        echo '<h2>' . esc_html__('批量生成卡密', 'aksrt') . '</h2>';
        echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '" style="margin:12px 0 20px;display:flex;flex-wrap:wrap;gap:8px;align-items:end;">';
        echo '<input type="hidden" name="action" value="aksrt_pay_batch_charge_cards" />';
        wp_nonce_field('aksrt_pay_batch_charge_cards');
        echo '<p><label>' . esc_html__('类型', 'aksrt') . '<br><select name="type">';
        echo '<option value="balance">' . esc_html__('余额', 'aksrt') . '</option>';
        echo '<option value="vip">' . esc_html__('VIP', 'aksrt') . '</option>';
        echo '<option value="credits">' . esc_html__('积分', 'aksrt') . '</option>';
        echo '</select></label></p>';
        echo '<p><label>' . esc_html__('数量', 'aksrt') . '<br><input type="number" name="count" min="1" max="500" value="10" /></label></p>';
        echo '<p><label>' . esc_html__('长度', 'aksrt') . '<br><input type="number" name="length" min="8" max="32" value="16" /></label></p>';
        echo '<p><label>' . esc_html__('前缀', 'aksrt') . '<br><input type="text" name="prefix" value="" /></label></p>';
        echo '<p><label>' . esc_html__('面额/积分', 'aksrt') . '<br><input type="number" step="0.01" name="amount" value="10" /></label></p>';
        echo '<p><label>' . esc_html__('VIP等级', 'aksrt') . '<br><input type="number" name="vip_level" min="1" max="2" value="1" /></label></p>';
        echo '<p><label>' . esc_html__('VIP天数', 'aksrt') . '<br><input type="number" name="vip_days" min="1" value="30" /></label></p>';
        echo '<p><label>' . esc_html__('过期时间', 'aksrt') . '<br><input type="datetime-local" name="expires_at" /></label></p>';
        echo '<p><label>' . esc_html__('备注', 'aksrt') . '<br><input type="text" name="note" value="" /></label></p>';
        submit_button(__('生成', 'aksrt'), 'primary', '', false);
        echo '</form>';

        if (!empty($_GET['aksrt_generated'])) {
            $generated = (int) $_GET['aksrt_generated'];
            echo '<div class="notice notice-success"><p>' . esc_html(sprintf(
                /* translators: %d count */
                __('成功生成 %d 张卡密。', 'aksrt'),
                $generated
            )) . '</p></div>';
        }

        $generated_codes = get_transient('aksrt_pay_card_codes_' . get_current_user_id());
        if (is_array($generated_codes) && $generated_codes) {
            delete_transient('aksrt_pay_card_codes_' . get_current_user_id());
            echo '<div class="notice notice-info"><p><strong>' . esc_html__('本次生成卡密（请及时复制保存）：', 'aksrt') . '</strong></p>';
            echo '<textarea class="large-text code" rows="' . esc_attr((string) min(12, max(3, count($generated_codes)))) . '" readonly onclick="this.select();">' . esc_textarea(implode("\n", $generated_codes)) . '</textarea>';
            echo '</div>';
        }

        echo '<form method="get" style="margin:12px 0;">';
        echo '<input type="hidden" name="page" value="aksrt_charge_cards" />';
        echo '<select name="status">';
        foreach ([
            ''         => __('全部状态', 'aksrt'),
            'active'   => __('可用', 'aksrt'),
            'used'     => __('已用', 'aksrt'),
            'disabled' => __('已禁用', 'aksrt'),
            'expired'  => __('已过期', 'aksrt'),
        ] as $key => $label) {
            printf(
                '<option value="%s"%s>%s</option>',
                esc_attr($key),
                selected($status, $key, false),
                esc_html($label)
            );
        }
        echo '</select> ';
        echo '<select name="type">';
        foreach ([
            ''        => __('全部类型', 'aksrt'),
            'balance' => __('余额', 'aksrt'),
            'vip'     => __('VIP', 'aksrt'),
            'credits' => __('积分', 'aksrt'),
        ] as $key => $label) {
            printf(
                '<option value="%s"%s>%s</option>',
                esc_attr($key),
                selected($type, $key, false),
                esc_html($label)
            );
        }
        echo '</select> ';
        echo '<input type="search" name="s" value="' . esc_attr($search) . '" placeholder="' . esc_attr__('密码 / 卡号 / 备注', 'aksrt') . '" /> ';
        submit_button(__('筛选', 'aksrt'), 'secondary', '', false);
        echo '</form>';

        $result = $svc->get_list([
            'status' => $status,
            'type'   => $type,
            'search' => $search,
            'limit'  => $per_page,
            'offset' => ($page_num - 1) * $per_page,
        ]);
        $items = $result['items'] ?? [];
        $total = (int) ($result['total'] ?? 0);
        $pages = max(1, (int) ($result['max_pages'] ?? 1));

        echo '<table class="wp-list-table widefat fixed striped">';
        echo '<thead><tr>';
        echo '<th>ID</th>';
        echo '<th>' . esc_html__('类型', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('密码', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('面额', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('状态', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('过期', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('使用者', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('创建时间', 'aksrt') . '</th>';
        echo '<th>' . esc_html__('操作', 'aksrt') . '</th>';
        echo '</tr></thead><tbody>';

        if (!$items) {
            echo '<tr><td colspan="9">' . esc_html__('暂无卡密', 'aksrt') . '</td></tr>';
        }

        foreach ($items as $row) {
            $id      = (int) ($row['id'] ?? 0);
            $st      = (string) ($row['status'] ?? '');
            $row_type = (string) ($row['type'] ?? '');
            $user_id = (int) ($row['used_by'] ?? $row['user_id'] ?? 0);
            $user    = $user_id > 0 ? get_userdata($user_id) : null;

            echo '<tr>';
            echo '<td>' . esc_html((string) $id) . '</td>';
            echo '<td>' . esc_html($type_labels[$row_type] ?? $row_type) . '</td>';
            echo '<td><code>' . esc_html((string) ($row['password'] ?? $row['code'] ?? '')) . '</code></td>';
            echo '<td>' . esc_html((string) ($row['amount'] ?? '')) . '</td>';
            echo '<td>' . esc_html($status_labels[$st] ?? $st) . '</td>';
            echo '<td>' . esc_html((string) ($row['expires_at'] ?? '—')) . '</td>';
            echo '<td>' . ($user ? esc_html($user->display_name) : '—') . '</td>';
            echo '<td>' . esc_html((string) ($row['created_at'] ?? '')) . '</td>';
            echo '<td>';
            if ($st === 'active') {
                echo '<form method="post" action="' . esc_url(admin_url('admin-post.php')) . '">';
                echo '<input type="hidden" name="action" value="aksrt_pay_disable_charge_card" />';
                echo '<input type="hidden" name="card_id" value="' . esc_attr((string) $id) . '" />';
                wp_nonce_field('aksrt_pay_disable_charge_card_' . $id);
                submit_button(__('禁用', 'aksrt'), 'small', '', false);
                echo '</form>';
            } else {
                echo '—';
            }
            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();
    }

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

        $id = isset($_POST['card_id']) ? (int) $_POST['card_id'] : 0;
        check_admin_referer('aksrt_pay_disable_charge_card_' . $id);

        $ok = false;
        if ($id > 0 && class_exists('\AKSRT\Payment\ChargeCard')) {
            $ok = \AKSRT\Payment\ChargeCard::get_instance()->disable($id);
        }

        wp_safe_redirect($this->page_url('aksrt_charge_cards', [
            'aksrt_pay_msg' => $ok ? 'card_disabled' : 'card_failed',
        ]));
        exit;
    }

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

        if (!class_exists('\AKSRT\Payment\ChargeCard')) {
            wp_safe_redirect($this->page_url('aksrt_charge_cards', ['aksrt_pay_msg' => 'card_batch_failed']));
            exit;
        }

        $type   = isset($_POST['type']) ? sanitize_key((string) wp_unslash($_POST['type'])) : 'balance';
        $count  = isset($_POST['count']) ? (int) $_POST['count'] : 10;
        $length = isset($_POST['length']) ? (int) $_POST['length'] : 16;
        $prefix = isset($_POST['prefix']) ? sanitize_text_field((string) wp_unslash($_POST['prefix'])) : '';
        $amount = isset($_POST['amount']) ? (float) wp_unslash($_POST['amount']) : 0;
        $note   = isset($_POST['note']) ? sanitize_textarea_field((string) wp_unslash($_POST['note'])) : '';
        $level  = isset($_POST['vip_level']) ? max(1, min(2, (int) $_POST['vip_level'])) : 1;
        $days   = isset($_POST['vip_days']) ? max(1, (int) $_POST['vip_days']) : 30;
        $expires = isset($_POST['expires_at']) ? sanitize_text_field((string) wp_unslash($_POST['expires_at'])) : '';
        if ($expires !== '') {
            $expires = str_replace('T', ' ', $expires);
            if (strlen($expires) === 16) {
                $expires .= ':00';
            }
        }

        if ($type === 'points') {
            $type = 'credits';
        }

        $meta = [];
        if ($type === 'balance') {
            $meta['amount'] = max(0, $amount);
        } elseif ($type === 'credits') {
            $meta['points'] = max(0, (int) $amount);
        } elseif ($type === 'vip') {
            $meta['level'] = $level;
            $meta['days']  = $days;
        }

        $codes = \AKSRT\Payment\ChargeCard::get_instance()->batch_create($type, $meta, $count, $length, $prefix, $expires, $note);
        $ok    = !empty($codes);
        if ($ok) {
            set_transient('aksrt_pay_card_codes_' . get_current_user_id(), $codes, 10 * MINUTE_IN_SECONDS);
        }

        wp_safe_redirect($this->page_url('aksrt_charge_cards', [
            'aksrt_pay_msg'   => $ok ? 'card_batch_ok' : 'card_batch_failed',
            'aksrt_generated' => count($codes),
        ]));
        exit;
    }


    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']));
        $map  = [
            'card_disabled'     => __('充值卡已禁用。', 'aksrt'),
            'card_failed'       => __('充值卡禁用失败。', 'aksrt'),
            'card_batch_ok'     => __('卡密批量生成完成。', 'aksrt'),
            'card_batch_failed' => __('卡密批量生成失败。', 'aksrt'),
        ];
        if (!isset($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>';
    }
}