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/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

package org.nd4j.evaluation.curves;

import org.nd4j.evaluation.BaseEvaluation;
import org.nd4j.serde.json.JsonMappers;
import org.nd4j.shade.jackson.annotation.JsonTypeInfo;
import org.nd4j.shade.jackson.core.JsonProcessingException;

import java.io.IOException;

/**
 * Created by Alex on 06/07/2017.
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY)
public abstract class BaseHistogram {

    public abstract String getTitle();

    public abstract int numPoints();

    public abstract int[] getBinCounts();

    public abstract double[] getBinLowerBounds();

    public abstract double[] getBinUpperBounds();

    public abstract double[] getBinMidValues();


    /**
     * @return  JSON representation of the curve
     */
    public String toJson() {
        try {
            return JsonMappers.getMapper().writeValueAsString(this);
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * @return YAML  representation of the curve
     */
    public String toYaml() {
        try {
            return JsonMappers.getYamlMapper().writeValueAsString(this);
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     *
     * @param json       JSON representation
     * @param curveClass Class for the curve
     * @param         Type
     * @return           Instance of the curve
     */
    public static  T fromJson(String json, Class curveClass) {
        try {
            return JsonMappers.getMapper().readValue(json, curveClass);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     *
     * @param yaml       YAML representation
     * @param curveClass Class for the curve
     * @param         Type
     * @return           Instance of the curve
     */
    public static  T fromYaml(String yaml, Class curveClass) {
        try {
            return JsonMappers.getYamlMapper().readValue(yaml, curveClass);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

}




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