package com.ruoyi.system.constant;

import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;

/**
 * 内置商品类型。名称允许修改，业务判断必须使用固定 ID。
 */
public final class GoodsTypeConstants {

    public static final String DRUG_ID = "00000000000000000000000000000001";
    public static final String MEDICAL_DEVICE_ID = "00000000000000000000000000000002";
    public static final String FOOD_ID = "00000000000000000000000000000003";

    public static final Map<String, String> BUILTIN_TYPES;

    static {
        Map<String, String> types = new LinkedHashMap<>();
        types.put(DRUG_ID, "药品类");
        types.put(MEDICAL_DEVICE_ID, "医疗器械类");
        types.put(FOOD_ID, "食品类");
        BUILTIN_TYPES = Collections.unmodifiableMap(types);
    }

    private GoodsTypeConstants() {
    }

    public static boolean isBuiltin(String id) {
        return id != null && BUILTIN_TYPES.containsKey(id);
    }

    public static Set<String> ids() {
        return BUILTIN_TYPES.keySet();
    }
}