/* Copyright (C) 2023 ebandal
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 */
/* 본 제품은 한글과컴퓨터의 ᄒᆞᆫ글 문서 파일(.hwp) 공개 문서를 참고하여 개발하였습니다.
 * 개방형 워드프로세서 마크업 언어(OWPML) 문서 구조 KS X 6101:2018 문서를 참고하였습니다.
 * 작성자 : 반희수 ebandal@gmail.com  
 * 작성일 : 2022.10
 */
package HwpDoc.paragraph;

import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import HwpDoc.IContext;
import HwpDoc.Exception.NotImplementedException;

public class Ctrl_ShapeConnectLine extends Ctrl_GeneralShape {
    private static final Logger log = Logger.getLogger(Ctrl_ShapeConnectLine.class.getName());
    private int size;

    public ConnectLineType type;       // 연결선 형식
    public ConnectPoint    startPt;    // 연결선 시작점 정보
    public ConnectPoint    endPt;      // 연결선 끝점 정보
    public List<Point>	controlPoints;

    public Ctrl_ShapeConnectLine(String ctrlId, int size, byte[] buf, int off, int version) {
        super(ctrlId, size, buf, off, version);
        this.size = offset-off;

        log.fine("                                                  " + toString());
    }

    public Ctrl_ShapeConnectLine(Ctrl_GeneralShape shape) {
        super(shape);

        this.size = shape.getSize();
    }

    public Ctrl_ShapeConnectLine(String ctrlId, Node node, int version, IContext context) throws NotImplementedException {
        super(ctrlId, node, version, context);

        NamedNodeMap attributes = node.getAttributes();
        if (attributes.getNamedItem("type")!=null) {
            type = ConnectLineType.valueOf(attributes.getNamedItem("type").getNodeValue());
        }
        
        String numStr;
        
        NodeList nodeList = node.getChildNodes();
        for (int i=nodeList.getLength()-1; i>=0; i--) {
            Node child = nodeList.item(i);
            switch(child.getNodeName()) {
            case "hp:startPt":    // 시작점
                {
                    NamedNodeMap childAttrs = child.getAttributes();
                    if (startPt==null) {
                    	startPt = new ConnectPoint();
                    }
                    numStr = childAttrs.getNamedItem("x").getNodeValue();
                    startPt.x = Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("y").getNodeValue();
                    startPt.y = Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("subjectIDRef").getNodeValue();
                    startPt.subjectIDRef = (short) Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("subjectIdx").getNodeValue();
                    startPt.subjectIdx = (short) Integer.parseInt(numStr);
                }
                node.removeChild(child);
                break;
            case "hp:endPt":      // 끝점
                {
                    NamedNodeMap childAttrs = child.getAttributes();
                    if (endPt==null) {
                    	endPt = new ConnectPoint();
                    }
                    numStr = childAttrs.getNamedItem("x").getNodeValue();
                    endPt.x = Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("y").getNodeValue();
                    endPt.y = Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("subjectIDRef").getNodeValue();
                    endPt.subjectIDRef = (short) Integer.parseInt(numStr);
                    numStr = childAttrs.getNamedItem("subjectIdx").getNodeValue();
                    endPt.subjectIdx = (short) Integer.parseInt(numStr);
                }
                node.removeChild(child);
                break;
            case "hp:controlPoints":
                {
                    if (controlPoints == null) {
                        controlPoints = new ArrayList<Point>();
                    }
                    NodeList grandChildList = child.getChildNodes();
                    for (int j=0; j<grandChildList.getLength(); j++) {
                        Point p = new Point();
                        Node grandChild = grandChildList.item(j);
                        switch(grandChild.getNodeName()) {
                        case "hp:point":
                            NamedNodeMap grandChildAttrs = grandChild.getAttributes();
                            numStr = grandChildAttrs.getNamedItem("x").getNodeValue();
                            p.x = Integer.parseInt(numStr);
                            numStr = grandChildAttrs.getNamedItem("y").getNodeValue();
                            p.y = Integer.parseInt(numStr);
                            break;
                        }
                        controlPoints.add(p);
                    }
                }
                node.removeChild(child);
                break;
            case "#text":   // issue #79 대응
                break;
            default:
                log.fine(child.getNodeName() + "=" + child.getNodeValue());
                if (log.isLoggable(Level.FINE)) {
                    throw new NotImplementedException("Ctrl_ShapeConnectLine");
                }
            }
        }
    }

    public String toString() {
        StringBuffer strb = new StringBuffer();
        strb.append("CTRL("+ctrlId+")")
            .append("=공통속성:"+super.toString());
        return strb.toString();
    }

    @Override
    public int getSize() {
        return size;
    }
	
    public static class ConnectPoint extends Point {
        public short subjectIDRef;
        public short subjectIdx;
    }
	
    public static enum ConnectLineType {
        STRAIGHT_NOARROW   (0x0),
        STRAIGHT_ONEWAY    (0x1),
        STRAIGHT_BOTH      (0x2),
        STROKE_NOARROW     (0x3),
        STROKE_ONEWAY      (0x4),
        STROKE_BOTH        (0x5),
        ARC_NOARROW        (0x6),
        ARC_ONEWAY         (0x7),
        ARC_BOTH           (0x8);
        
        private int num;
        
        private ConnectLineType(int num) { 
            this.num = num;
        }

        public static ConnectLineType from(int num) {
            for (ConnectLineType type: values()) {
                if (type.num == num)
                    return type;
            }
            return null;
        }
    }
}
