<?php

namespace base\admin\controller\system;

use app\admin\model\SystemAdmin;
use app\admin\service\annotation\ControllerAnnotation;
use app\admin\service\annotation\NodeAnotation;
use app\common\controller\AdminController;
use think\App;

/**
 * Class McpKeyBase.
 * @ControllerAnnotation(title="MCP密钥管理")
 */
class McpKeyBase extends AdminController
{
    use \app\admin\traits\Curd;

    protected $sort = [
        'id' => 'desc',
    ];

    public function __construct(App $app)
    {
        parent::__construct($app);

        $this->model = new \app\admin\model\SystemMcpKey();

        $this->assign('select_list_status', $this->model::SELECT_LIST_STATUS, true);

        // 行内修改仅允许 status；key/key_prefix/bind_admin_id 为敏感字段，一律排除
        $this->allowModifyFields = [
            'status',
        ];
    }

    /**
     * @NodeAnotation(title="列表")
     */
    public function index()
    {
        if ($this->request->isAjax()) {
            if (input('selectFields')) {
                return $this->selectList();
            }
            list($page, $limit, $where, $excludes, $request_options, $group) = $this->buildTableParames();
            $count = $this->model
                ->where($where)
                ->group($group)
                ->count();
            $list = $this->model
                ->where($where)
                ->page($page, $limit)
                ->order($this->sort)
                ->group($group)
                ->select();

            // 附加创建者用户名：不用 withJoin（system_admin 与主表有 id/status 等同名字段会歧义），
            // 一次 IN 查询建立 id => username 映射后回填，避免 N+1。
            $adminIds = [];
            foreach ($list as $vo) {
                !empty($vo->bind_admin_id) && $adminIds[] = $vo->bind_admin_id;
            }
            $adminNames = empty($adminIds) ? [] : SystemAdmin::whereIn('id', array_unique($adminIds))->column('username', 'id');
            foreach ($list as $vo) {
                $vo->bind_admin_username = $adminNames[$vo->bind_admin_id] ?? '';
            }

            $data = [
                'code' => 0,
                'msg' => '',
                'count' => $count,
                'data' => $list,
            ];

            return json($data);
        }

        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="添加")
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $post = $this->request->post();
            // 表单仅提交 title/status/remark；密钥三要素与统计字段一律服务端生成，忽略客户端传入
            unset($post['id'], $post['key'], $post['key_prefix'], $post['bind_admin_id'], $post['use_num'], $post['last_use_time']);
            $rule = [
                'title|密钥名称' => 'require|max:50',
            ];
            $this->validate($post, $rule);

            // 明文密钥仅此一次出现在内存与响应中：不落库、不写日志
            $secretKey = 'sk-mcp-' . bin2hex(random_bytes(24));
            $post['key'] = hash('sha256', $secretKey);
            $post['key_prefix'] = substr($secretKey, 0, 16);
            $post['bind_admin_id'] = $this->getAdminId();
            try {
                $save = $this->model->save($post);
            } catch (\Exception $e) {
                $this->error('保存失败:' . $e->getMessage());
            }
            if ($save) {
                // data 携带明文密钥，前端弹层展示一次后即丢弃
                $this->success('保存成功', ['secret_key' => $secretKey]);
            }
            $this->error('保存失败');
        }

        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="编辑")
     */
    public function edit($id)
    {
        $row = $this->model->find($id);
        empty($row) && $this->error('数据不存在');
        if ($this->request->isPost()) {
            $post = $this->request->post();
            // 白名单：仅允许改 title/status/remark；key/key_prefix/bind_admin_id 及统计字段不可改
            $post = array_intersect_key($post, array_flip(['title', 'status', 'remark']));
            $rule = [
                'title|密钥名称' => 'require|max:50',
            ];
            $this->validate($post, $rule);
            try {
                $save = $row->save($post);
            } catch (\Exception $e) {
                $this->error('保存失败:' . $e->getMessage());
            }
            $save ? $this->success('保存成功') : $this->error('保存失败');
        }
        $this->assign('row', $row);

        return $this->fetch();
    }
}