import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.time.LocalDateTime;
import java.time.Period;
import java.time.ZoneId;
import java.util.Date;
import java.util.Objects;
import java.util.Random;
import static java.time.ZoneId.SHORT_IDS;
/**
 */
public class Main {

    private static final 
 
Logger LOGGER = LoggerFactory.getLogger(Main.class);
    // 對應5進位制的值： a->0,1->1,b->2,2->3,c-4private static  final char [] ARRAY = {'a','1','b','2','c'};
    private static final String OTHER_CHAR = "A";
    private static final int DECIMAL = 5;
/**
     * 根據id獲取對應字串
     * 10 進位制轉化 decimal
     * 
 
@param id
*/
private static String passedBy(long id,Integer decimal){
        char [] resultArray = new char[DECIMAL];
        int length = ARRAY.length;
        while ((id/decimal) > 0){
            int mod = (int)id%decimal;
resultArray[--length]= ARRAY[mod];
id = id /decimal;
}
        if(length > 0
 
){
//            防止達到array所代表進位制的最大值報錯，當達到進位制所表示的最大值時此時是aaaaa
resultArray[--length] = ARRAY[(int)id%decimal];
}
        String resultStr = new String(resultArray,length,(ARRAY.length-length));
        if(resultStr.length() < decimal){
            StringBuilder sb = new StringBuilder();
sb.append(OTHER_CHAR);
Random random = new Random();
            for(int i = resultStr.length()+1;i < ARRAY.length;i++){
                sb.append(ARRAY[random.nextInt(ARRAY.length)]);
}
            resultStr += sb.toString();
}
        return resultStr;
}

    private static int passedByChar(String para){
        int  index = para.indexOf(OTHER_CHAR);
        if(index < 0){
            return getIdByPara(para);
}else {
            return getIdByPara(para.substring(0,index));
}
    }

    private static int getIdByPara(String subStr){
//      進製表示的最大轉化資料 當
if(Objects.equals("aaaaa",subStr)){
            return (int)Math.pow(DECIMAL,subStr.length());
}
        int sum = 0;
        char [] subCharArray  = subStr.toCharArray();
        int length = subCharArray.length;
//      例子：   sum +=
/**例子： bb2aA
         * sum += 2*(5^3)+2*(5^2)+3*(5^1)+0*(5^0)
         */
for(int i = 0;i < length;i++){
            for(int j = 0;j < DECIMAL;j++){
                if(Objects.equals(subCharArray[i],ARRAY[j])){
                    sum = sum + j * (int)Math.pow(DECIMAL,(length-i-1));
                    break;
}
            }
        }
        return sum;
}

    public static void main(String[] args) {
        int test = 315;
System.out.println(test);
String result = passedBy(test,5);
System.out.println(result);
System.out.println(passedByChar(result));
}

}