/* 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.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.HwpParseException;
import HwpDoc.Exception.NotImplementedException;

public class Ctrl_ShapeTextArt extends Ctrl_GeneralShape {
    private static final Logger log = Logger.getLogger(Ctrl_ShapeTextArt.class.getName());
    private int size;
    
    public String  text;        // 글맵시 내용
    public Point   pt0;         // 첫번째 좌표
    public Point   pt1;         // 두번째 좌표
    public Point   pt2;         // 세번째 좌표
    public Point   pt3;         // 네번째 좌표
                                // 글맵시 모양 정보
    public String  fontName;    // 글꼴이름
    public String  fontStyle;   // 글꼴 스타일
    public String  fontType;    // 글꼴 형식
    public String  textShape;   // 글맵시 모양
    public short   lineSpacing; // 줄 간격
    public short   spacing;     // 글자 간격
    public String  align;       // 정렬 방식
    
    public Point[] outline;     // 외곽선 정보
    
    public Ctrl_ShapeTextArt(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_ShapeTextArt(Ctrl_GeneralShape shape) {
        super(shape);
        
        this.size = shape.getSize();
    }
    
    public Ctrl_ShapeTextArt(String ctrlId, Node node, int version, IContext context) throws NotImplementedException {
        super(ctrlId, node, version, context);
        
        NamedNodeMap attributes = node.getAttributes();
        text = attributes.getNamedItem("text").getNodeValue();
        
        String numStr;
        
        NodeList nodeList = node.getChildNodes();
        for (int i=0; i<nodeList.getLength(); i++) {
            Node child = nodeList.item(i);
            NamedNodeMap childAttrs = child.getAttributes();
            switch(child.getNodeName()) {
            case "hp:pt0":
                numStr = childAttrs.getNamedItem("x").getNodeValue();
                pt0.x = Integer.parseInt(numStr);
                numStr = childAttrs.getNamedItem("y").getNodeValue();
                pt0.y = Integer.parseInt(numStr);
                break;
            case "hp:pt1":
                numStr = childAttrs.getNamedItem("x").getNodeValue();
                pt1.x = Integer.parseInt(numStr);
                numStr = childAttrs.getNamedItem("y").getNodeValue();
                pt1.y = Integer.parseInt(numStr);
                break;
            case "hp:pt2":
                numStr = childAttrs.getNamedItem("x").getNodeValue();
                pt2.x = Integer.parseInt(numStr);
                numStr = childAttrs.getNamedItem("y").getNodeValue();
                pt2.y = Integer.parseInt(numStr);
                break;
            case "hp:pt3":
                numStr = childAttrs.getNamedItem("x").getNodeValue();
                pt3.x = Integer.parseInt(numStr);
                numStr = childAttrs.getNamedItem("y").getNodeValue();
                pt3.y = Integer.parseInt(numStr);
                break;
            case "hp:textartPr":   // 글맵시 모양 정보
                fontName = childAttrs.getNamedItem("fontName").getNodeValue();
                fontStyle = childAttrs.getNamedItem("fontStyle").getNodeValue();
                fontType = childAttrs.getNamedItem("fontType").getNodeValue();
                textShape = childAttrs.getNamedItem("textShape").getNodeValue();
                fontStyle = childAttrs.getNamedItem("fontStyle").getNodeValue();
                numStr = childAttrs.getNamedItem("lineSpacing").getNodeValue();
                lineSpacing = (short) Integer.parseInt(numStr);
                numStr = childAttrs.getNamedItem("spacing").getNodeValue();
                spacing = (short) Integer.parseInt(numStr);
                align = childAttrs.getNamedItem("align").getNodeValue();
                /*
                 * [TODO] shadow 처리 미구현
                 */
                break;
            case "hp:outline":   // 외곽선 정보
                numStr = childAttrs.getNamedItem("cnt").getNodeValue();
                int cnt = Integer.parseInt(numStr);
                outline = new Point[cnt];
                
                NodeList childNodeList = child.getChildNodes();
                for (int j=0; j<childNodeList.getLength(); j++) {
                    Node grandChild = childNodeList.item(j);
                    switch(grandChild.getNodeName()) {
                    case "hp:pt":
                        outline[j] = new Point();
                        NamedNodeMap grandAttrs = grandChild.getAttributes();
                        numStr = grandAttrs.getNamedItem("x").getNodeValue();
                        outline[j].x = Integer.parseInt(numStr);
                        numStr = grandAttrs.getNamedItem("y").getNodeValue();
                        outline[j].y = Integer.parseInt(numStr);
                        break;
                    default:
                        if (log.isLoggable(Level.FINE)) {
                            throw new NotImplementedException("Ctrl_ShapeRect");
                        }
                        break;
                    }
                }
                break;
            case "#text": // issue #79 대응
                break;
            default:
                log.fine(child.getNodeName() + "=" + child.getNodeValue());
                if (log.isLoggable(Level.FINE)) {
                    throw new NotImplementedException("Ctrl_ShapeRect");
                }
                break;
            }
        }
    }
	
	public static int parseElement(Ctrl_ShapeTextArt obj, int size, byte[] buf, int off, int version) throws HwpParseException {
        int offset = off;
        
        // [HWP ambiguous] following 120bytes are unknown.
        // Document doesn't mention about this at all.
        
        if (offset-off-size!=0) {
            log.severe("[CtrlId]=" + obj.ctrlId + ", size=" + size + ", but currentSize=" + (offset-off));
        }
        
        return size;
    }
    
    public static int parseCtrl(Ctrl_ShapeTextArt shape,  int size, byte[] buf, int off, int version) throws HwpParseException {
        int offset = off;
        int len = Ctrl_GeneralShape.parseCtrl(shape, size,  buf,  off,  version);
        offset += len;
        
        return offset-off;
    }

    public static int parseListHeaderAppend(Ctrl_ShapeTextArt shape, int size, byte[] buf, int off, int version) throws HwpParseException {
        int offset = off;
        // LIST_HEADER 정의는 6byte이지만, 실제 33byte 넘어온다. 알수 없다.
        offset += size;
        
        return offset-off;
    }
	
    public String toString() {
        StringBuffer strb = new StringBuffer();
        strb.append("CTRL("+ctrlId+")")
            .append("=공통속성:"+super.toString());
        return strb.toString();
    }
    
    @Override
    public int getSize() {
        return size;
    }
}
