<?php

namespace base\admin\controller\system;

use app\admin\model\SystemAdmin;
use app\admin\model\SystemAuth;
use app\admin\model\SystemAuthNode;
use app\admin\service\annotation\ControllerAnnotation;
use app\admin\service\annotation\NodeAnotation;
use app\admin\service\NodeService;
use app\admin\service\TriggerService;
use app\common\constants\AdminConstant;
use app\common\controller\AdminController;
use think\App;
use think\facade\Db;

/**
 * @ControllerAnnotation(title="角色权限管理")
 * Class Auth
 */
class AuthBase extends AdminController
{
    use \app\admin\traits\Curd;

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

    public function __construct(App $app)
    {
        parent::__construct($app);
        $this->model = new SystemAuth();
    }

    /**
     * @NodeAnotation(title="授权")
     */
    public function authorize($id)
    {
        $row = $this->model->find($id);
        empty($row) && $this->error('数据不存在');

        $checkNodeList = (new SystemAuthNode())
            ->where('auth_id', $id)
            ->column('node');
        $module_list = (new NodeService())->getNodeTree();
        foreach ($module_list as $module_key => $module) {
            foreach ($module['children'] as $controllerKey => $controller) {
                foreach ($controller['children'] as $actionKey => $action) {
                    $checked = in_array($action['node'], $checkNodeList);
                    $checked_string = $checked? 'checked' : '';
                    $disabled_string = '';
                    if(!$action['auth']){
                        $checked_string = 'checked';
                        $disabled_string = 'disabled';
                    }
                    $module_list[$module_key]['children'][$controllerKey]['children'][$actionKey]['checked'] = $checked_string;
                    $module_list[$module_key]['children'][$controllerKey]['children'][$actionKey]['disabled'] = $disabled_string;
                }
            }
        }

        $this->assign('row', $row);
        $this->assign('checked_node_list', $checkNodeList);
        $this->assign('module_list', $module_list);

        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="授权保存")
     */
    public function saveAuthorize()
    {
        $this->checkPostRequest();
        $id = $this->request->post('id');
        $node = $this->request->post('node', []);
        
        $row = $this->model->find($id);
        empty($row) && $this->error('数据不存在');
        try {
            $authNode = new SystemAuthNode();
            $authNode->where('auth_id', $id)->delete();
            if (!empty($node)) {
                $saveAll = [];
                foreach ($node as $vo) {
                    $saveAll[] = [
                        'auth_id' => $id,
                        'node' => $vo,
                    ];
                }
                $authNode->saveAll($saveAll);
            }
            TriggerService::updateMenu();
        } catch (\Exception $e) {
            $this->error('保存失败');
        }
        $this->success('保存成功');
    }

    /**
     * @NodeAnotation(title="分配用户")
     *
     * 兼容 layui table 的 filter 传参：ua.table 把 where:{id:roleId} 放入
     * filter JSON（filter={"id":"xxx"}）而非顶层 query 参数。若 $id 无默认值，
     * ThinkPHP 方法参数绑定会从顶层 query 找 id 失败报"方法参数错误:id"。
     * 这里给默认值 null，再从 query / filter 兜底解析；Ajax 时从 filter/op
     * 移除 id（角色ID不是用户搜索条件），防 buildTableParames 误用。
     */
    public function assignUsers($id = null)
    {
        if (empty($id)) {
            // 优先从顶层 query 取（iframe 页面加载时的 ?id=xxx）
            $id = $this->request->param('id');
            // 再从 filter JSON 取（table Ajax 请求时的 filter={"id":"xxx"}）
            if (empty($id) && $this->request->isAjax()) {
                $filter = json_decode($this->request->param('filter', '{}'), true) ?: [];
                $id = $filter['id'] ?? '';
            }
            if (empty($id)) {
                $this->error('参数错误：缺少角色ID');
            }
        }

        // Ajax 时从 filter/op 移除 id（它是角色ID，不是用户搜索条件），
        // 防止 buildTableParames 把它当用户 id 的 WHERE 条件。
        // 注意：Request::withGet 是整体覆盖（$this->get = $get）而非合并，
        // 必须先取全量 GET 再写回，否则 page/limit 丢失导致翻页失效。
        if ($this->request->isAjax()) {
            $get = $this->request->get('', null);
            $filter = isset($get['filter']) ? (json_decode($get['filter'], true) ?: []) : [];
            unset($filter['id']);
            $get['filter'] = json_encode($filter, JSON_UNESCAPED_UNICODE);
            $op = isset($get['op']) ? (json_decode($get['op'], true) ?: []) : [];
            unset($op['id']);
            $get['op'] = json_encode($op, JSON_UNESCAPED_UNICODE);
            $this->request->withGet($get);
        }

        $row = $this->model->find($id);
        empty($row) && $this->error('数据不存在');

        if ($this->request->isAjax()) {
            list($page, $limit, $where) = $this->buildTableParames();
            $count = SystemAdmin::where($where)
                ->where('delete_time', 0)
                ->count();
            $list = SystemAdmin::where($where)
                ->withoutField('password')
                ->fieldRaw('FIND_IN_SET(' . intval($id) . ', auth_ids) AS has_role')
                ->where('delete_time', 0)
                ->page($page, $limit)
                ->order('id desc')
                ->select();
            $data = [
                'code' => 0,
                'msg' => '',
                'count' => $count,
                'data' => $list,
            ];

            return json($data);
        }

        $this->assign('row', $row);

        return $this->fetch();
    }

    /**
     * @NodeAnotation(title="分配用户切换")
     */
    public function toggleUser()
    {
        $this->checkPostRequest();
        $userId = intval($this->request->post('user_id'));
        $roleId = intval($this->request->post('role_id'));

        if ($userId == AdminConstant::SUPER_ADMIN_ID) {
            $this->error('超级管理员不支持此操作');
        }

        $user = SystemAdmin::find($userId);
        if (empty($user)) {
            $this->error('用户不存在');
        }
        $role = SystemAuth::where('id', $roleId)->where('delete_time', 0)->find();
        if (empty($role)) {
            $this->error('角色不存在');
        }

        Db::startTrans();
        try {
            // FOR UPDATE 行锁，防止并发下读-改-写丢失逗号串的其它角色
            $userRow = Db::name('system_admin')->where('id', $userId)->lock(true)->find();
            $existing = empty($userRow['auth_ids']) ? [] : array_filter(explode(',', $userRow['auth_ids']));
            $existing = array_values(array_map('strval', $existing));
            $roleIdStr = (string) $roleId;
            if (in_array($roleIdStr, $existing)) {
                // 撤回：仅移除该角色，保留其它角色
                $newArr = array_values(array_diff($existing, [$roleIdStr]));
            } else {
                // 分配：新增该角色，保留其它角色
                $newArr = array_values(array_unique(array_merge($existing, [$roleIdStr])));
            }
            Db::name('system_admin')->where('id', $userId)->update([
                'auth_ids' => empty($newArr) ? '' : implode(',', $newArr),
            ]);
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
            $this->error('操作失败：' . $e->getMessage());
        }

        TriggerService::updateMenu($userId);
        $this->success('操作成功');
    }
}