/*
 *  ******************************************************************************
 *  *
 *  *
 *  * 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.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * 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.style;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import org.deeplearning4j.ui.api.Style;
import org.deeplearning4j.ui.api.Utils;
import org.deeplearning4j.ui.components.text.style.StyleText;
import com.fasterxml.jackson.annotation.JsonInclude;

import java.awt.*;

@AllArgsConstructor
@Data
@NoArgsConstructor
@EqualsAndHashCode(callSuper = true)
@JsonInclude(JsonInclude.Include.NON_NULL)
public class StyleChart extends Style {

    public static final Double DEFAULT_CHART_MARGIN_TOP = 60.0;
    public static final Double DEFAULT_CHART_MARGIN_BOTTOM = 20.0;
    public static final Double DEFAULT_CHART_MARGIN_LEFT = 60.0;
    public static final Double DEFAULT_CHART_MARGIN_RIGHT = 20.0;

    protected Double strokeWidth;
    protected Double pointSize;
    protected String[] seriesColors;
    protected Double axisStrokeWidth;
    protected StyleText titleStyle;

    private StyleChart(Builder b) {
        super(b);
        this.strokeWidth = b.strokeWidth;
        this.pointSize = b.pointSize;
        this.seriesColors = b.seriesColors;
        this.axisStrokeWidth = b.axisStrokeWidth;
        this.titleStyle = b.titleStyle;
    }



    public static class Builder extends Style.Builder<Builder> {

        protected Double strokeWidth;
        protected Double pointSize;
        protected String[] seriesColors;
        protected Double axisStrokeWidth;
        protected StyleText titleStyle;

        public Builder() {
            super.marginTop = DEFAULT_CHART_MARGIN_TOP;
            super.marginBottom = DEFAULT_CHART_MARGIN_BOTTOM;
            super.marginLeft = DEFAULT_CHART_MARGIN_LEFT;
            super.marginRight = DEFAULT_CHART_MARGIN_RIGHT;
        }

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

        /** Point size, for scatter plot etc */
        public Builder pointSize(double pointSize) {
            this.pointSize = pointSize;
            return this;
        }

        public Builder seriesColors(Color... colors) {
            String[] str = new String[colors.length];
            for (int i = 0; i < str.length; i++)
                str[i] = Utils.colorToHex(colors[i]);
            return seriesColors(str);
        }

        public Builder seriesColors(String... colors) {
            this.seriesColors = colors;
            return this;
        }

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

        public Builder titleStyle(StyleText style) {
            this.titleStyle = style;
            return this;
        }

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

}
