<?php

namespace App\Service\v3\Implementations;

use App\Constants\v3\ErrorCode;
use App\Constants\v3\LogLabel;
use App\Constants\v3\SsdbKeys;
use App\Exception\ErrorCodeException;
use App\Service\v3\Interfaces\ParamsTokenServiceInterface;
use Hyperf\Utils\ApplicationContext;
use App\TaskWorker\SSDBTask;
use Hyperf\Di\Annotation\Inject;
use App\Commons\Log;

class ParamsTokenSsdbService implements ParamsTokenServiceInterface
{

    /**
     * @Inject
     * @var Log
     */
    protected $log;

    /**
     * 生成token并存储对应数据
     * @param $params
     */
    public function generate($params)
    {
        $token = $params['token_name'] ?? md5(json_encode($params));

        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);

        $kvs = [];
        foreach ($params as $key => $value) {
            $kvs[] = $key;
            $kvs[] = $value;
        }

        if(false === $ssdb->exec('multi_hset', SsdbKeys::PARAMS_TOKEN.$token, $kvs)) {
            throw new ErrorCodeException(ErrorCode::TOKEN_GENERATE_ERROR, 'token生成失败');
        }

        return $token;
    }

    /**
     * 解析token获取对应数据参数
     * @param $token
     */
    public function analyze($token)
    {
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $params = $ssdb->exec('hgetall', SsdbKeys::PARAMS_TOKEN.$token);

        if (false === $params) {

            throw new ErrorCodeException(ErrorCode::TOKEN_ANALYZE_ERROR, 'token解析失败');
        }

        if (empty($params)) {
            throw new ErrorCodeException(ErrorCode::TOKEN_NOT_EXISTS, 'token不存在');
        }

        return $params;
    }

}