package com.mes.utils;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;

/**
 * @Author : zhoush
 * @Date: 2025/9/8 15:23
 * @Description:
 */
public class JsonUtils {
    private static final ObjectMapper OBJECT_MAPPER = createObjectMapper();

    private static ObjectMapper createObjectMapper() {
        ObjectMapper mapper = new ObjectMapper();

        // 重要配置：忽略未知属性，避免解析失败
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

        // 其他有用配置
        mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
        mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);

        // 支持Java 8日期时间
        mapper.registerModule(new JavaTimeModule());
        mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);

        return mapper;
    }


    /**
     * JSON字符串转对象
     *
     * @param json
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T fromJson(String json, Class<T> clazz) {
        try {
            return OBJECT_MAPPER.readValue(json, clazz);
        } catch (Exception e) {
            throw new RuntimeException("JSON转换失败", e);
        }
    }

    /**
     * JSON字符串转泛型对象（如List、Map等）
     *
     * @param json
     * @param typeReference
     * @param <T>
     * @return
     */
    public static <T> T fromJson(String json, TypeReference<T> typeReference) {
        try {
            return OBJECT_MAPPER.readValue(json, typeReference);
        } catch (Exception e) {
            throw new RuntimeException("JSON转换失败", e);
        }
    }

    /**
     * 对象转JSON字符串
     *
     * @param obj
     * @return
     */
    public static String toJson(Object obj) {
        try {
            return OBJECT_MAPPER.writeValueAsString(obj);
        } catch (Exception e) {
            throw new RuntimeException("对象转JSON失败", e);
        }
    }
}