/* $Id: GSQuery.java 626 2013-01-13 18:51:36Z shayashi $ */
package smart_gs.image_search.logical;

import java.awt.Image;
import java.awt.Rectangle;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import reasoning_web.logical.NotMarkupException;
import reasoning_web.logical.inter_face.NoWayToShowException;
import smart_gs.GSVersion;
import smart_gs.logical.GSResource;
import smart_gs.logical.Spread;
import smart_gs.logical.URICreator;
import smart_gs.logical.URISolver;
import smart_gs.reasoning_web.URIBearer;
import smart_gs.reasoning_web.logical.GS_RWElement;
import smart_gs.smleditor.swingui.GSEditor;
import smart_gs.util.BmpFileCreator;
import smart_gs.util.CanonicalPathString;
import sml_editor.logical.LineDirection;

import image_search.Query;

public class GSQuery extends Query implements GS_RWElement,URIBearer{
	
	protected String name = "";
	private String uri;
	private String originalURI;
	private String oldVersionURI;
	private String version;
	protected LineDirection lineDirection;

	public GSQuery(Spread spread,File dscFile, Rectangle rectangle) {
		super(spread,dscFile, rectangle);
		this.version = GSVersion.getVersion();
		this.lineDirection = spread.getLineDirection();
	}

	public GSQuery(Image image,File dscFile,Rectangle rectangle,LineDirection direction){
		super(image,direction,dscFile,rectangle);
		this.version = GSVersion.getVersion();
		this.lineDirection = direction;
	}


	public boolean hasSpread(){
		if(this.spread == null){
			return false;
		}else{
			return true;
		}
	}
	public JPanel createElementViewPanel() throws NoWayToShowException {
		JLabel label = new JLabel(new ImageIcon(this.getQueryImage()));
		JPanel panel = new JPanel();
		panel.add(label);
		return panel;
	}
	public JPanel createElementViewPanel(int width, int height) throws NoWayToShowException {
		Image queryImage = this.getQueryImage();
		queryImage = queryImage.getScaledInstance(width, height, Image.SCALE_SMOOTH);
		JLabel label = new JLabel(new ImageIcon(queryImage));
		JPanel panel = new JPanel();
		panel.add(label);
		panel.setSize(width,height);
		return panel;
	}
	
	public String getSource() throws NotMarkupException {
		//要修正
		return "<xml><query/></xml>";
	}
	
	// TODO modify to set the rectangle in the center of the editor window
	// in the same way as the search result image
	public void show() {
		if(this.spread != null){
			new GSEditor(this.spread,this.getRectangle()).setVisible(true);
		}else{
			JOptionPane.showMessageDialog(null,"can't jump to edited image");
		}
	}
	public String getName() {
		return this.name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Element createXMLElement(Document document) {
		Element element = document.createElement("query");
		element.setAttribute("hasSpread",this.hasSpread()+"");
		element.setAttribute("name",this.name);
		element.setAttribute(GSResource.URI, this.uri);
		element.setAttribute(GSResource.ORIGINAL_URI, this.originalURI);
		element.setAttribute(GSResource.OLD_VERSION_URI, this.getOldVersionURI());

		if( this.dscFile != null ){
	         element.setAttribute("dscfile",CanonicalPathString.get(this.dscFile));	
		}
		if(this.hasSpread()){
			element.setAttribute("spreadURI",this.spread.getURI());
		}else{
			//edited imageの保存処理
			BmpFileCreator creator = new BmpFileCreator(this.image,this.rectangle.width,this.rectangle.height);
			int id = this.hashCode();
			creator.create("temp/",id+".bmp",false);
			element.setAttribute("imagePath","temp/"+id+".bmp");
		}
		element.setAttribute("x",this.rectangle.x+"");
		element.setAttribute("y",this.rectangle.y+"");
		element.setAttribute("width",this.rectangle.width+"");
		element.setAttribute("height",this.rectangle.height+"");
		return element;
	}
	
//	public static GSQuery getQuery(Element element){
	public static GSQuery getQuery(Element element){
		boolean hasSpread = new Boolean(element.getAttribute("hasSpread"));
		String spreadURI = null;
		String name = element.getAttribute("name");
		if(hasSpread){
			spreadURI = element.getAttribute("spreadURI");
		}
		int x = new Integer(element.getAttribute("x"));
		int y = new Integer(element.getAttribute("y"));
		int width = new Integer(element.getAttribute("width"));
		int height = new Integer(element.getAttribute("height"));
		
		String uri = element.getAttribute("uri");
		String originalURI = element.getAttribute(GSResource.ORIGINAL_URI);
		String oldVersionURI = element.getAttribute(GSResource.OLD_VERSION_URI);		
		String version = element.getAttribute(GSResource.VERSION);
		GSQuery query = null;
		if(hasSpread){
			Spread spread = (Spread)URISolver.getResource(spreadURI);
			if (spread == null) {
				System.out.println(String.format("Error: Spread of query %s is not found", element.toString()));
				return null;
			}
			query = new GSQuery(spread,spread.getDscFile(),new Rectangle(x,y,width,height));
			query.setName(name);
		}else{
			String dscFilePath = element.getAttribute("dscfile");
			String imagePath = element.getAttribute("imagePath");
			Image image = null;
			try {
				
				image = ImageIO.read(new File(imagePath));
				System.out.println("image :: "+image);
			} catch (IOException e) {
				e.printStackTrace();
			}
			
			File dscFile = new  File(dscFilePath);
			query = new GSQuery(image,dscFile,new Rectangle(x,y,width,height),LineDirection.UNDEFINED);
			query.setName(name);
		}
		query.setURIs(uri, originalURI);
		query.setOldVersionURI(oldVersionURI);
		query.setVersion(version);
		return query;
	}
	@Override
	public String createURI() {
		return URICreator.createURI(this);
	}
	@Override
	public String getTypeString() {
		return URICreator.GSQUERY;
	}
	@Override
	public String getURI() {
		return this.uri;
	}
	public void setURI(String uri) {
		this.uri = uri;
	}
	@Override
	public String getOriginalURI() {
		return this.originalURI;
	}
	@Override
	public void setOriginalURI(String originalURI) {
		this.originalURI = originalURI;		
	}
	@Override
	public void setURIs(String uri, String originalURI) {
		URICreator.setURIs(this, uri, originalURI);
	}


	@Override
	public void setURIs() {
		this.originalURI = URICreator.createURI(this);
		this.uri = this.originalURI;
	}

	@Override
	public String getVersion() {
		return this.version;
	}

	@Override
	public void setVersion(String version) {
		this.version = version;
	}

	@Override
	public String getOldVersionURI() {
		return this.oldVersionURI;
	}
	@Override
	public void setOldVersionURI(String oldVersionURI) {
		this.oldVersionURI = oldVersionURI;
	}
	
	public LineDirection getLineDirection() {
		return lineDirection;
	}

}