package com.ruoyi.order.util;



import com.ruoyi.common.redis.service.RedisService;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.poi.ss.usermodel.DateUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.security.SecureRandom;
import java.util.Date;
import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
 * @author jqs34
 * @ClassName CodeFactoryUtil
 * @description: TODO
 * @date 2023年02月13日
 * @version: 1.0
 */
@Component
public class CodeFactoryUtil {


    //静态住入到自己的类中
    private static RedisService redisService;

    //将静态属性以入参（形参）的方式传入一个方法中，然后将此方法通过 @Autowired 注入到Spring容器中
    @Autowired
    public void setService(RedisService redisService) {
        CodeFactoryUtil.redisService = redisService;
    }

    /**
     * APP用户编码
     */
    private static final String APP_USER_PREFIX = "HRT_M";

    /**
     * 商户编号
     */
    private static final String SHOP_PREFIX = "HRT_S";

    /**
     * 商户订单前缀
     */
    private static final String ORDER_PREFIX = "SC";

    /**
     * 退款订单前缀
     */
    private static final String ORDER_REFUND_PREFIX = "RO";

    /**
     * 用户id和随机数总长度
     */

    private static final int MAX_LENGTH = 4;

    /**
     * 更具id进行加密+加随机数组成固定长度编码
     */

    public static void main(String[] args) {
        Long orderId = 1L;
        String userNo = getShopNo(orderId);
        System.out.println(userNo);
    }

    /**
     * 获取商户编号
     *
     * @param shopId
     * @return
     */
    public static String getShopNo(Long shopId) {
        String prefix = SHOP_PREFIX;
        return toFillZeroCode(prefix, MAX_LENGTH, shopId);
    }

    public static String getShopOrderNo() {
        String orderNo;
        String timeTemp = DateFormatUtils.format(new Date(), "yyyyMMdd");
        String prefix = ORDER_PREFIX + timeTemp;
        String suffixNumber = getSuffixNumber(prefix);
        orderNo = prefix + suffixNumber;
        return orderNo;
    }

    private static String getSuffixNumber(String prefix){
        Integer suffixNumberInt;
        String suffixNumber = "0001";
        if(redisService.hasKey(prefix)){
            suffixNumberInt = redisService.getCacheObject(prefix);
            suffixNumber = toFillZeroSuffixNumber(suffixNumberInt);
            suffixNumberInt = suffixNumberInt + 1;
            redisService.setCacheObject(prefix, suffixNumberInt, 24L, TimeUnit.HOURS);
        }else{
            redisService.setCacheObject(prefix, 1, 24L, TimeUnit.HOURS);
        }
        return suffixNumber;
    }

    private static String toFillZeroSuffixNumber(Integer suffixNumberInt){
        String suffixNumberStr = suffixNumberInt.toString();
        int length = suffixNumberStr.length();
        int fillLength = 4 - length;
        StringBuilder idsbs = new StringBuilder();
        for (int i = 0; i < fillLength; i++) {
            idsbs.append("0");
        }
        return idsbs.append(suffixNumberStr).toString();
    }


    /**
     * 0补位
     *
     * @param prefix
     * @param totalLength
     * @param id
     * @return
     */
    private static String toFillZeroCode(String prefix, int totalLength, Long id) {
        String idStr = id.toString();
        int length = idStr.length();

        int fillLength = totalLength - length;
        StringBuilder idsbs = new StringBuilder(prefix);
        for (int i = 0; i < fillLength; i++) {
            idsbs.append("0");
        }
        return idsbs.append(idStr).toString();
    }

    /**
     * 随机6位数生成
     */
    public static String getRandStr(int num) {
        // 默认6位
        num = num != 0 ? num : 6;
        Random r = new SecureRandom();
        StringBuffer str = new StringBuffer();
        int i = 0;
        while (i < num) {
            str.append(r.nextInt(10));
            i++;
        }
        return str.toString();
    }
}