package cc.mrbird.febs.common.enumerates;

import lombok.Getter;

import java.math.BigDecimal;
@Getter
public enum StarRatingEnum {
    /**
     * 定级规则
     *      大于最小值，小于等于最大值
     */
    NORMAL("普通",0,30),
    ONE_STAR("一星",30,50),
    TWO_STAR("二星",50,100),
    THREE_STAR("三星",100,200);

    private String name;

    private Integer minValue;

    private Integer maxValue;

    StarRatingEnum(String name,Integer minValue, Integer maxValue) {
        this.name = name;
        this.minValue = minValue;
        this.maxValue = maxValue;
    }

    /**
     * 根据商品原价获取对应的商品星级
     * @param price
     * @return
     */
    public String belongStarRating(String price){
        String name = StarRatingEnum.NORMAL.name;
        BigDecimal priceBig = new BigDecimal(price).setScale(BigDecimal.ROUND_DOWN,2);
        for (StarRatingEnum starRatingEnum : StarRatingEnum.values()) {
            BigDecimal minValue = new BigDecimal(starRatingEnum.minValue).setScale(BigDecimal.ROUND_DOWN, 2);
            BigDecimal maxValue = new BigDecimal(starRatingEnum.maxValue).setScale(BigDecimal.ROUND_DOWN, 2);
            if(priceBig.compareTo(minValue) > 0 && priceBig.compareTo(maxValue) <= 0){
                name = starRatingEnum.name;
            }
        }
        return name;
    }

    public static void main(String[] args) {
        String s = StarRatingEnum.NORMAL.belongStarRating(String.valueOf(100));
        System.out.println(s);
    }
}