<?php

namespace app\api\controller\backend;

use app\common\controller\Api;
use app\api\model\Admin as AdminModel;
use think\Db;

/**
 * 登录接口
 */
class Login extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    /**
     * 首页
     *
     */
    public function login()
    {
        $username = $this->request->param('username');
        $password = $this->request->param('password');
     
        // 检查用户名和密码是否为空
        if (!$username || !$password) {
            $this->error('格式错误1');
        }
     
        // 查询用户信息
        $where = [];
        $where['username'] = $username;
        $where['password'] = md5($password);
        // var_dump($where);
        $user = Db::name('user')->field('id,nickname,auth_group_id,group_id')->where($where)->find();
     
        // 验证用户是否存在
        if ($user) {
            // 生成新的token
            $timestamp = time();
            $newToken = md5($password . md5($timestamp));
     
            // 更新数据库中的token
            Db::name('user')->where('id', $user['id'])->update(['token' => $newToken]);
            $level = Db::name('auth_group')->where('id', $user['auth_group_id'])->value('level');
            $user['level'] = $level;
            // 返回成功信息和用户数据（包括新token）
            $this->success('登录成功', ['user' => $user, 'token' => $newToken]);
        } else {
            // 用户不存在或密码错误
            $this->error('账户密码错误');
        }
    }


    public function getAuth()
    {
        $token = $this->request->header('Token');
        if (!$token) {
            $this->error('参数错误');
        }
        $user = Db::name('user')->field('auth_group_id')->where('token',$token)->find();
        if (!$user) {
            $this->error('请求失败');
        } 
        $auth = Db::name('auth_group')->field('id,name,rules')->where('id',$user['auth_group_id'])->find();
        if(!$auth){
            $this->success('该用户无权限');
        }
        $reles = $auth['rules'];
        if($reles == '*'){
            $date = Db::name('auth_rule')->field('id,pid,title,url,icon')->select();
            $tree = $this->buildTree($date);
            $this->success('请求成功',$tree);
        }
        $ids = explode(',',$reles);
        $data = Db::name('auth_rule')
                ->field('id, pid, title, url,icon')
                ->whereIn('id', $ids)
                ->select();
                // var_dump($data);die();
        $tree = $this->buildTree($data);

        $this->success('请求成功',$tree);
    }


    /**
     * 构建树结构
     *
     * @param array $data 数据库查询结果数组
     * @param int $parentId 父ID
     * @return array
     */
    private function buildTree(array $data, $parentId = 0)
    {
        $tree = [];
    foreach ($data as $item) {
        if ($item['pid'] == $parentId) {
            // 创建一个新的节点数组
            $node = [
                'id' => $item['url'],  // 将 URL 替换为 ID
                'pid' => $item['pid'],
                'title' => $item['title'],
                'url' => $item['url'],
                'icon'=>$item['icon'],
            ];
 
            // 递归构建子树
            $children = $this->buildTree($data, $item['id']); // 使用原始的 ID 作为父 ID
            if ($children) {
                $node['children'] = $children;
            }
            $tree[] = $node;
        }
    }
    return $tree;
    }
}