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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.deeplearning4j.ui.components.chart;

import lombok.Data;
import lombok.EqualsAndHashCode;
import org.deeplearning4j.ui.components.chart.style.StyleChart;
import org.nd4j.shade.jackson.annotation.JsonInclude;

import java.util.ArrayList;
import java.util.List;

@EqualsAndHashCode(callSuper = true)
@Data
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ChartHorizontalBar extends Chart {
    public static final String COMPONENT_TYPE = "ChartHorizontalBar";

    private List labels = new ArrayList<>();
    private List values = new ArrayList<>();
    private Double xmin;
    private Double xmax;

    private ChartHorizontalBar(Builder builder) {
        super(COMPONENT_TYPE, builder);
        labels = builder.labels;
        values = builder.values;
        this.xmin = builder.xMin;
        this.xmax = builder.xMax;
    }

    public ChartHorizontalBar() {
        super(COMPONENT_TYPE, null);
        //no-arg constructor for Jackson
    }


    public static class Builder extends Chart.Builder {

        private List labels = new ArrayList<>();
        private List values = new ArrayList<>();
        private Double xMin;
        private Double xMax;

        public Builder(String title, StyleChart style) {
            super(title, style);
        }

        public Builder addValue(String name, double value) {
            labels.add(name);
            values.add(value);
            return this;
        }

        public Builder addValues(List names, double[] values) {
            for (int i = 0; i < names.size(); i++) {
                addValue(names.get(i), values[i]);
            }
            return this;
        }

        public Builder xMin(double xMin) {
            this.xMin = xMin;
            return this;
        }

        public Builder xMax(double xMax) {
            this.xMax = xMax;
            return this;
        }

        public Builder addValues(List names, float[] values) {
            for (int i = 0; i < names.size(); i++) {
                addValue(names.get(i), values[i]);
            }
            return this;
        }

        public ChartHorizontalBar build() {
            return new ChartHorizontalBar(this);
        }
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("ChartHorizontalBar(labels=");
        if (labels != null) {
            sb.append(labels);
        } else {
            sb.append("[]");
        }
        sb.append(",values=");
        if (values != null) {
            sb.append(values);
        } else {
            sb.append("[]");
        }
        if (xmin != null)
            sb.append(",xMin=").append(xmin);
        if (xmax != null)
            sb.append(",xMax=").append(xmax);

        sb.append(")");
        return sb.toString();
    }

}