package com.oying.modules.message.common;

import lombok.AllArgsConstructor;
import lombok.Getter;

import java.util.Arrays;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * 订单状态枚举
 *
 * @author leomon
 * @date 2025-05-20
 */
@Getter
@AllArgsConstructor
public enum OrderStatusEnum {

    ZERO(0, "订单已提交"),
    ONE(1, "支付成功"),
    TWO(2, "商家已接单"),
    THREE(3, "骑手已接单"),
    FOUR(4, "商家已备货"),
    FIVE(5, "骑手已到店"),
    SIX(6, "骑手已取货"),
    SEVEN(7, "商品已送达"),
    EIGHT(8, "订单已完成"),
    NINE(9, "订单已取消");

    private final Integer key;
    private final String  value;

    /* ========== 工具方法 ========== */

    /** 根据 key 获取枚举 */
    public static OrderStatusEnum of(Integer key) {
        return key == null ? null : MAP.get(key);
    }

    /** 根据 key 获取描述 */
    public static String descOf(Integer key) {
        OrderStatusEnum e = of(key);
        return e == null ? "" : e.getValue();
    }

    /** 反向映射，提升查找速度 */
    private static final Map<Integer, OrderStatusEnum> MAP =
            Arrays.stream(values())
                    .collect(Collectors.toMap(OrderStatusEnum::getKey, Function.identity()));
}