package org.eclipse.papyrus.model2doc.odt.internal.util;

import java.io.File;

import org.eclipse.papyrus.model2doc.core.service.FileIOService;
import org.eclipse.papyrus.model2doc.core.service.FileIOServiceImpl;
import org.eclipse.papyrus.model2doc.core.transcription.ImageDescription;
import org.eclipse.papyrus.model2doc.odt.Activator;
import org.eclipse.papyrus.model2doc.odt.internal.editor.ODTEditor;
import org.eclipse.papyrus.model2doc.odt.service.ODTFileIOService;
import org.eclipse.papyrus.model2doc.odt.service.ODTFileIOServiceImpl;

import com.sun.star.beans.XPropertySet;
import com.sun.star.container.XNameContainer;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.text.ControlCharacter;
import com.sun.star.text.ReferenceFieldPart;
import com.sun.star.text.ReferenceFieldSource;
import com.sun.star.text.SizeType;
import com.sun.star.text.TextContentAnchorType;
import com.sun.star.text.WrapTextMode;
import com.sun.star.text.XParagraphCursor;
import com.sun.star.text.XTextContent;
import com.sun.star.text.XTextCursor;
import com.sun.star.text.XTextFrame;
import com.sun.star.uno.UnoRuntime;

public class InsertImage {
	
	private static final FileIOService fileIOService = new FileIOServiceImpl();

	private static final ODTFileIOService odtFileIOService = new ODTFileIOServiceImpl();


	public static void addImageLink(ImageDescription image, XTextCursor xTextCursor, ODTEditor odtEditor) {
		String imageFilePath = odtFileIOService.getODTFilePrefix() + image.getPath();

		try {
			XMultiServiceFactory xMultiServiceFactory = odtEditor.getXMultiServiceFactory();

			Object tmp = xMultiServiceFactory.createInstance("com.sun.star.text.TextFrame");
			XTextFrame textFrame = UnoRuntime.queryInterface(XTextFrame.class, tmp);
			XPropertySet framePropertySet = createXPropertySet(textFrame);
			framePropertySet.setPropertyValue("SizeType", SizeType.VARIABLE);
			framePropertySet.setPropertyValue("AnchorType", TextContentAnchorType.AS_CHARACTER);
			framePropertySet.setPropertyValue("ZOrder", 1);
			framePropertySet.setPropertyValue("TextWrap", WrapTextMode.THROUGH);

			// Creating the service GraphicObject
			Object graphicObject = xMultiServiceFactory.createInstance("com.sun.star.text.TextGraphicObject"); //$NON-NLS-1$

			// Creating TextContent for GraphicObject
			XTextContent graphicContent = UnoRuntime.queryInterface(XTextContent.class, graphicObject);

			// Creating bitmap container service
			XNameContainer bitmapContainer = UnoRuntime.queryInterface(XNameContainer.class, xMultiServiceFactory.createInstance("com.sun.star.drawing.BitmapTable")); //$NON-NLS-1$

			// Inserting image to the container
			bitmapContainer.insertByName(imageFilePath, imageFilePath);

			PropertySetUtil.setProperty(graphicContent, "AnchorType", TextContentAnchorType.AS_CHARACTER); //$NON-NLS-1$
			PropertySetUtil.setProperty(graphicContent, "GraphicURL", bitmapContainer.getByName(imageFilePath)); //$NON-NLS-1$

			graphicContent = ImageUtil.resizeImage(graphicContent, imageFilePath, odtEditor.getXTextDocument(), odtEditor.getXMultiComponentFactory(), odtEditor.getXComponentContext());

			XPropertySet graphicPropSet = createXPropertySet(graphicContent);
			Object heightValue = graphicPropSet.getPropertyValue("Height");
			Object widthValue = graphicPropSet.getPropertyValue("Width");
			XPropertySet textFrameSet = createXPropertySet(textFrame);
			textFrameSet.setPropertyValue("Height", heightValue);// TODO don't work, and should be on the next level...
			textFrameSet.setPropertyValue("Width", widthValue);

			xTextCursor.getText().insertTextContent(xTextCursor, textFrame, false);
			XTextCursor localCursor = textFrame.getText().createTextCursor();

			XParagraphCursor paragraphCursor = UnoRuntime.queryInterface(XParagraphCursor.class, localCursor);
			XPropertySet paraSet = createXPropertySet(paragraphCursor);
			paraSet.setPropertyValue("ParaStyleName", "Illustration");// it works!!! in fact we can't push style which have not been declared and which don't exist by default


			localCursor.getText().insertTextContent(localCursor, graphicContent, false);
			localCursor.gotoEnd(true);
			localCursor.getText().insertString(localCursor, "Illustration", false);
			Object getReferenceObject = xMultiServiceFactory.createInstance("com.sun.star.text.textfield.GetReference");

			XTextContent xRef = UnoRuntime.queryInterface(XTextContent.class, getReferenceObject);
			XPropertySet xRefPropertySet = UnoRuntime.queryInterface(XPropertySet.class, getReferenceObject);

			xRefPropertySet.setPropertyValue("SourceName", "Illustration");
			xRefPropertySet.setPropertyValue("ReferenceFieldPart", ReferenceFieldPart.NUMBER_FULL_CONTEXT);
			xRefPropertySet.setPropertyValue("ReferenceFieldSource", ReferenceFieldSource.SEQUENCE_FIELD);
			xRefPropertySet.setPropertyValue("SequenceNumber", (short) 0);

			localCursor.getText().insertControlCharacter(localCursor, ControlCharacter.LINE_BREAK, false);// add style around it

			localCursor.getText().insertTextContent(localCursor, xRef, false);

			localCursor.getText().insertString(localCursor, "My caption", false);

			fileIOService.removeFile(new File(image.getPath()));

		} catch (Exception e) {
			Activator.log.error(e);
		}
	}

	private static final XPropertySet createXPropertySet(final Object object) {
		return UnoRuntime.queryInterface(XPropertySet.class, object);
	}

}