package com.qs.serve.common.util;

import lombok.experimental.UtilityClass;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author YenHex
 * @since 2022/2/28
 */
@UtilityClass
public class StringUtils extends org.springframework.util.StringUtils {

    /** 订单号生成(NEW) **/
    private static final AtomicInteger SEQ = new AtomicInteger(1000);
    private static final DateTimeFormatter DF_FMT_PREFIX = DateTimeFormatter.ofPattern("yyMMddHHmmssSS");
    private static ZoneId ZONE_ID = ZoneId.of("Asia/Shanghai");
    public static String generateOrderNo(){
        LocalDateTime dataTime = LocalDateTime.now(ZONE_ID);
        if(SEQ.intValue()>9990){
            SEQ.getAndSet(1000);
        }
        return  dataTime.format(DF_FMT_PREFIX)+SEQ.getAndIncrement();
    }

    /** 非空 */
    public static boolean isNotEmpty(String str){
        return !isEmpty(str);
    }

    /** 含有空对象 */
    public static boolean hasEmpty(Object... strings){
        for (Object str : strings) {
            if(isEmpty(str)){return true;}
        }
        return false;
    }

    /**
     * 格式化
     * @param exp 含{}的表达式
     * @param params 参数(注意跳过空值)
     * @return
     */
    public static String format(String exp,String... params){
        StringBuilder builder = new StringBuilder(exp);
        int idx_p = 0;
        while (hasText(builder,"{}")){
            int idx = builder.indexOf("{}");
            if(idx_p<params.length&&params[idx_p]!=null){
                builder.replace(idx,idx+2,params[idx_p]);
                idx_p++;
            }else {
                break;
            }
        }
        return builder.toString();
    }

    private static boolean hasText(StringBuilder a,String text){
        return a.toString().contains(text);
    }

}