<?php
/**
 * 认证服务.
 *
 * @author nj <nj@gmail.com>
 * @date   2020-01-22 11:36:11
 */
declare(strict_types=1);

namespace Modules\Manage\Services;

use App\Constants\CommonConstant;
use App\Constants\ManageConstant;
use App\Repositories\Utils\JwtRepository;
use Hyperf\Utils\Str;
use Psr\SimpleCache\CacheInterface;

class AuthService
{
    /**
     * Jwt受众.
     *
     * @var string
     */
    private $jwtAud = 'manage-users';

    /**
     * 获取存储用户设备Token的缓存Key.
     * @param string $managerId
     * @return string
     */
    public function getManagerCacheKey($managerId)
    {
        $cacheKey = 'manager_auth_'. $managerId;

        return $cacheKey;
    }

    /**
     * 创建单点Jwt.
     * @param string $managerId 管理员ID
     * @param int $roleId 角色ID
     * @return array
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function createSingleJwt($managerId, $roleId)
    {
        $manager = new \stdClass();
        $manager->manager_id = $managerId;
        $manager->role_id = $roleId;
        $jwtRepository = make(JwtRepository::class);
        $tokenInfo = $jwtRepository->createManageJwt($manager);
        $token = $tokenInfo['token'];

        $cacheKey = $this->getManagerCacheKey($managerId);
        $cache = make(CacheInterface::class);
        $cacheToken = $cache->has($cacheKey) ? $cache->get($cacheKey) : '';
        if (!empty($cacheToken)) {
            $cache->delete($cacheKey);
        }
        $cache->set($cacheKey, $token, config('jwt.ttl') * 60);

        return $tokenInfo;
    }

    /**
     * 获取头部Token.
     * @return mixed
     */
    public function getHeaderToken()
    {
        $token = request()->header(CommonConstant::MG_TOKEN_NAME, null);
        if (empty($token)) {
            $token = request()->input(CommonConstant::MG_TOKEN_NAME, null);
        }

        return $token;
    }

    /**
     * 获取管理头部handshake_flag
     * @return mixed
     */
    public function getHeaderMgHandShakeFlag()
    {
        $flag = request()->header(ManageConstant::HANDSHAKE_HEADER, '');

        return $flag;
    }

    /**
     * 获取Token中的ManagerInfo
     * @return array  返回manager_id, role_id
     */
    public function getManagerInfo()
    {
        $managerInfo = [];
        $token = $this->getHeaderToken();
        if (!empty($token)) {
            $jwtRepository = make(JwtRepository::class);
            $validateResult = $jwtRepository->validateToken($token, $this->jwtAud);
            if ($validateResult['is_valid']) {
                $managerInfo = [
                    'manager_id' => !empty($validateResult['token_obj']->claims()->get('manager_id')) ? $validateResult['token_obj']->claims()->get('manager_id') : '',
                    'role_id' => !empty($validateResult['token_obj']->claims()->get('role_id')) ? $validateResult['token_obj']->claims()->get('role_id') : 0,
                ];
            }
        }

        return $managerInfo;
    }

    /**
     * 检查头部Mg handshake是否有效.
     * @return bool
     */
    public function checkValidMgHeaderHandShake()
    {
        $falg = $this->getHeaderMgHandShakeFlag();
        if (empty($falg)) {
            return false;
        }
        // 检查是否是后台请求路径.
        $currentUri = request()->getRequestUri();
        $defFlag = ManageConstant::HANDSHAKE_FLAG;
        // TODO 临时取消校验后台路径，给android方便调用postmain.
//        if (!Str::contains($currentUri, env('MANAGE_API_BASE_PATH'))) {
//            return false;
//        }

        return $defFlag == $falg;
    }
}