package org.jeecg.modules.dnc.utils;

import com.fasterxml.jackson.annotation.JsonInclude;
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;

import java.text.SimpleDateFormat;

public class JsonUtils {
    private static final ObjectMapper objectMapper = createObjectMapper();

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

        // 配置日期格式
        mapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
        mapper.registerModule(new JavaTimeModule());
        mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);

        // 配置序列化选项
        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);

        // 配置反序列化选项
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
        mapper.configure(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL, true);

        return mapper;
    }

    public static String toJson(Object object) {
        try {
            return objectMapper.writeValueAsString(object);
        } catch (Exception e) {
            throw new RuntimeException("JSON序列化失败: " + e.getMessage(), e);
        }
    }

    public static <T> T fromJson(String json, Class<T> valueType) {
        try {
            return objectMapper.readValue(json, valueType);
        } catch (Exception e) {
            throw new RuntimeException("JSON反序列化失败: " + e.getMessage() + "\nJSON内容: " + json, e);
        }
    }
}