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/*
 * Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.taotao.boot.sms.common.service.impl;

import com.taotao.boot.sms.common.properties.VerificationCodeProperties;
import com.taotao.boot.sms.common.service.CodeGenerate;

import java.text.NumberFormat;
import java.util.concurrent.ThreadLocalRandom;

/**
 * 默认验证码生成
 *
 * @author shuigedeng
 * @version 2022.04
 * @since 2022-04-27 17:49:37
 */
public class DefaultCodeGenerate implements CodeGenerate {

    private final VerificationCodeProperties config;

    public DefaultCodeGenerate(VerificationCodeProperties config) {
        this.config = config;
    }

    @Override
    public String generate() {
        int codeLength = config.getCodeLength();

        NumberFormat format = NumberFormat.getInstance();
        format.setGroupingUsed(false);
        format.setMaximumIntegerDigits(codeLength);
        format.setMinimumIntegerDigits(codeLength);

        return format.format(ThreadLocalRandom.current().nextInt((int) Math.pow(10, codeLength)));
    }
}