package com.ruoyi.common.security.utils;


import com.ruoyi.common.redis.service.RedisService;
import org.apache.commons.lang3.time.DateFormatUtils;
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 {

    private static RedisService redisService = null;

    private static RedisService getRedisService() {
        if (redisService == null) {
            redisService = ApplicationContextUtil.getBean(RedisService.class);
        }
        return 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";

    /**
     * 商品编号
     */
    private static final String GOODS_PREFIX = "HRT_G";



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

    /**
     * 活动订单前缀
     */
    private static final String ACTIVITY_ORDER_PREFIX = "MS";

    /**
     * 店铺创建订单前缀
     */
    private static final String SHOP_ORDER_PREFIX = "CJ";

    /**
     * 积分商城订单前缀
     */
    private static final String INTEGRAL_ORDER_PREFIX = "JF";

    /**
     * 直播订单前缀
     */
    private static final String LIVE_ORDER_PREFIX = "ZB";

    /**
     * 拼团订单前缀
     */
    private static final String GROUP_ORDER_PREFIX = "PT";

    /**
     * 砍价订单前缀
     */
    private static final String CUT_ORDER_PREFIX = "KJ";

    /**
     * 采购订单前缀
     */
    private static final String PURCHASE_ORDER_PREFIX = "CG";

    /**
     * 入库订单前缀
     */
    private static final String IN_ORDER_PREFIX = "RK";

    /**
     * 出库订单前缀
     */
    private static final String OUT_ORDER_PREFIX = "CK";


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

    /**
     * 用户id和随机数总长度
     */

    /**
     * 用户id和随机数总长度
     */

    private static final int SHOP_LENGTH = 5;

    private static final int MEMBER_LENGTH = 6;

    private static final int ORDER_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) {
        System.out.printf("getShopNo()"+getShopNo());
    }

    /**
     * 获取商户编号
     * @return
     */
    public static String getShopNo() {
        String shopNo;
        String prefix = SHOP_PREFIX;
        String suffixNumber = getNoSuffixNumber(prefix);
        shopNo = prefix + suffixNumber;
        return shopNo;
    }

    /**
     * 获取会员编号
     * @param userId
     * @return
     */
    public static String getMemberNo(Long userId) {
        String prefix = APP_USER_PREFIX;
        return toFillZeroCode(prefix, MEMBER_LENGTH, userId);
    }

    /**
     * @description  获取商品编号
     * @author  jqs
     * @date    2023/6/13 14:48
     * @param
     * @return  String
     */
    public static String getGoodsNo() {
        String goodsNo;
        String prefix = GOODS_PREFIX;
        String suffixNumber = getNoSuffixNumber(prefix);
        goodsNo = prefix + suffixNumber;
        return goodsNo;
    }


    private static String getNoSuffixNumber(String prefix){
        Integer suffixNumberInt;
        String suffixNumber = "00001";
        if(getRedisService().hasKey(prefix)){
            suffixNumberInt = getRedisService().getCacheObject(prefix);
            suffixNumber = toFillZeroSuffixNumber(suffixNumberInt,SHOP_LENGTH);
            suffixNumberInt = suffixNumberInt + 1;
            getRedisService().setCacheObject(prefix, suffixNumberInt);
        }else{
            getRedisService().setCacheObject(prefix, 1);
        }
        return suffixNumber;
    }


    /**
     * @description  获取商城订单编号
     * @author  jqs
     * @date    2023/6/13 14:48
     * @param
     * @return  String
     */
    public static String getShopOrderNo() {
        String orderNo;
        String timeTemp = DateFormatUtils.format(new Date(), "yyyyMMdd");
        String prefix = ORDER_PREFIX + timeTemp;
        String suffixNumber = getOrderSuffixNumber(prefix);
        orderNo = prefix + suffixNumber;
        return orderNo;
    }



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

    private static String toFillZeroSuffixNumber(Integer suffixNumberInt,Integer maxLength){
        String suffixNumberStr = suffixNumberInt.toString();
        int length = suffixNumberStr.length();
        int fillLength = maxLength - 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();
    }
}