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/*
 *  Copyright (C) 2019 Alpha Jiang. All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package io.github.alphajiang.hyena.utils;

import io.github.alphajiang.hyena.model.exception.HyenaServiceException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;

public class JsonUtils {
    private static final Logger logger = LoggerFactory.getLogger(JsonUtils.class);

    public static  T fromJson(String jsonString, Class clazz) {
        ObjectMapper mapper = new ObjectMapper();
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        try {
            return mapper.readValue(jsonString, clazz);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
            throw new HyenaServiceException(" result can not converto to Object");
        }

    }

    public static  T fromJson(String json, TypeReference typereference) {
        ObjectMapper mapper = new ObjectMapper();
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        try {
            return mapper.readValue(json, typereference);
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
            throw new HyenaServiceException(" result can not converto to Object");
        }
    }

    public static String toJsonString(Object obj) {
        ObjectMapper mapper = new ObjectMapper();
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

        String jsonString = "";
        try {
            jsonString = mapper.writeValueAsString(obj);
        } catch (JsonProcessingException e) {
            logger.error(e.getMessage(), e);
        }
        return jsonString;
    }

}