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package fvt.uno.sw.breaks;

import static org.openoffice.test.common.Testspace.*;

import java.io.File;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.Assert;
import org.openoffice.test.common.FileUtil;
import org.openoffice.test.uno.UnoApp;

import testlib.uno.SWUtil;

import com.sun.star.text.XTextDocument;
import com.sun.star.text.XTextCursor;
import com.sun.star.text.XText;
import com.sun.star.text.ControlCharacter;
import com.sun.star.text.XTextViewCursor;
import com.sun.star.text.XPageCursor;
import com.sun.star.text.XTextViewCursorSupplier;
import com.sun.star.style.BreakType;
import com.sun.star.beans.XPropertySet;
import com.sun.star.frame.*;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XComponent;

public class CheckBreaks {
	UnoApp unoApp = new UnoApp();
	XTextDocument textDocument = null;
	File temp = null;
	String tempFilePathODT = "";	
	String tempFilePathDOC = "";
	
	/**
	 * @throws java.lang.Exception
	 */
	@Before
	public void setUp() throws Exception {
		unoApp.start();
		
		FileUtil.deleteFile(getPath("temp"));
		temp = new File(getPath("temp"));
		temp.mkdirs();		
		
		tempFilePathODT = temp + "/tempFilePathODT.odt";
		tempFilePathDOC = temp + "/tempFilePathDOC.doc";		
	}

	@After
	public void tearDown() throws Exception {
		unoApp.close();
	}	
	
	/**
	 * test line break can be inserted and deleted.
	 * when save it as odt file, close and reopen, line break can be inserted and deleted.
	 * when save it as doc file, close and reopen, line break can be inserted and deleted.
	 * \n represent line break
	 * @throws Exception
	 */
	@Test
	public void testInsertDeleteLineBreak() throws Exception
	{
		XComponent xComponent = unoApp.newDocument("swriter");
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class, xComponent);		
		this.insertNewLine(textDocument, "Line1", true);
		this.insertNewLine(textDocument, "Line2", false);
		this.insertNewLine(textDocument, "Line3", false);
		this.insertNewLine(textDocument, "Line4", false);
		
		int lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is inserted when new document.",4,lineCount);
		this.deleteLineBreak(textDocument);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is deleted when new document", 3,lineCount);
		
		//save to odt, test the line break
		SWUtil.saveAsODT(textDocument, FileUtil.getUrl(tempFilePathODT));		
		unoApp.closeDocument(xComponent);	
		xComponent = unoApp.loadDocument(tempFilePathODT);
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class,xComponent);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line breaks when open saved odt file.",3,lineCount);
		this.insertNewLine(textDocument, "Line added when open saved odt file", false);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is inserted when open saved odt file.",4,lineCount);
		this.deleteLineBreak(textDocument);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is deleted when open saved odt file.",3,lineCount);
		
		//save to doc, test the line break
		SWUtil.saveAs(textDocument, "MS Word 97", FileUtil.getUrl(tempFilePathDOC));
		unoApp.closeDocument(xComponent);
		xComponent = unoApp.loadDocument(tempFilePathDOC);
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class,xComponent);		
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line breaks when open saved doc file.",3,lineCount);
		this.insertNewLine(textDocument, "Line added when open saved doc file", false);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is inserted when open saved doc file.",4,lineCount);
		this.deleteLineBreak(textDocument);
		lineCount = this.getLineCount(textDocument);
		Assert.assertEquals("Line break is deleted when open saved doc file.",3,lineCount);
		
		unoApp.closeDocument(xComponent);		
	}
	
	@Test
	public void testInsertDeletePageBreak() throws Exception
	{
		//new document, test page break
		XComponent xComponent = unoApp.newDocument("swriter");
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class, xComponent);		
		this.insertNewPage(textDocument, "Page1", true);
		this.insertNewPage(textDocument, "Page2", false);
		this.insertNewPage(textDocument, "Page3", false);		
		int pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is inserted when new document", 3,pageCount);
		
		this.deleteFirstPage(textDocument);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is deleted when new document", 2,pageCount);
		
		//save as odt, test page break
		SWUtil.saveAsODT(textDocument, FileUtil.getUrl(tempFilePathODT));		
		unoApp.closeDocument(xComponent);	
		xComponent = unoApp.loadDocument(tempFilePathODT);
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class,xComponent);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("Page breaks after open saved odt file", 2,pageCount);		
		this.insertNewPage(textDocument, "Page4", false);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is inserted after open saved odt file", 3,pageCount);		
		
		this.deleteFirstPage(textDocument);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is deleted after open saved odt file.", 2,pageCount);
		
		//save as doc, test page break
		SWUtil.saveAs(textDocument, "MS Word 97", FileUtil.getUrl(tempFilePathDOC));
		unoApp.closeDocument(xComponent);	
		xComponent = unoApp.loadDocument(tempFilePathDOC);
		textDocument = (XTextDocument) UnoRuntime.queryInterface(XTextDocument.class,xComponent);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("Page breaks after open saved doc file", 2,pageCount);
		
		this.deleteFirstPage(textDocument);
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is deleted after open saved doc file.", 1,pageCount);		
		
		this.insertNewPage(textDocument, "Page5", false);		
		pageCount = SWUtil.getPageCount(textDocument);
		Assert.assertEquals("page break is inserted after open saved doc file", 2,pageCount);			
			
		unoApp.closeDocument(xComponent);			
	}	
	
	
	
	
	/**
	 * insert a new page at the end of the document
	 * @param xTextDocument
	 * @param pageContent
	 * @param isFirstPage
	 * @throws Exception
	 */
	private void insertNewPage(XTextDocument document, String pageContent, Boolean isFirstPage) throws Exception
	{	
		XText xText = document.getText();
		XTextCursor textCursor = xText.createTextCursor();
		textCursor.gotoEnd(false);
		System.out.println("The content before insert " + pageContent + ":" + xText.getString());
		if(!isFirstPage)
		{			
			XPropertySet xCursorProps = (XPropertySet)UnoRuntime.queryInterface(
			        XPropertySet.class, textCursor);
			xCursorProps.setPropertyValue("BreakType", BreakType.PAGE_AFTER);		
			document.getText().insertControlCharacter(textCursor,ControlCharacter.PARAGRAPH_BREAK,false); 		
		}			
		document.getText().insertString(textCursor, pageContent, false);
	}
	
	/**
	 * delete the first page of the document
	 * @param document
	 * @throws Exception
	 */
	private void deleteFirstPage(XTextDocument document) throws Exception
	{	
		XModel xModel = (XModel) UnoRuntime.queryInterface(XModel.class, document);
        XController xController = xModel.getCurrentController();
        XTextViewCursorSupplier xTextViewCursorSupplier =
                (XTextViewCursorSupplier) UnoRuntime.queryInterface(XTextViewCursorSupplier.class, xController);
        XTextViewCursor textViewCursor = xTextViewCursorSupplier.getViewCursor();

        XPageCursor pageCursor = (XPageCursor) UnoRuntime.queryInterface(XPageCursor.class, textViewCursor);

        // Move the cursor to the start of the document
        textViewCursor.gotoStart(false);

        pageCursor.jumpToFirstPage();
        XTextCursor textCursor = textViewCursor.getText().createTextCursorByRange(textViewCursor.getStart());

        pageCursor.jumpToEndOfPage();        
        textCursor.gotoRange(textViewCursor.getEnd(), true); 
        //System.out.println("deleted: " + textCursor.getString());
        textCursor.setString("");
		
     // Page contents cleared, now delete the page break at the start
        textCursor.collapseToStart();
        if(textCursor.goRight((short) 1, true)){
        	//System.out.println("page break deleted: " + textCursor.getString());
        	textCursor.setString("");
        }       
		
	}	
	
	
	/**
	 * insert a new line at the end of the document.
	 * @param xText
	 * @param lineContent
	 * @param isFirstLine
	 * @throws Exception
	 */
	private void insertNewLine(XTextDocument xTextDocument, String lineContent, Boolean isFirstLine) throws Exception
	{
		XText xText = xTextDocument.getText();
		XTextCursor xTextCursor = xText.createTextCursor();
		xTextCursor.gotoEnd(false);
		if(!isFirstLine)
		{
			xText.insertControlCharacter(xTextCursor, ControlCharacter.LINE_BREAK, false);			
		}
		
		xText.insertString(xTextCursor, lineContent, false);
	}
	
	/**
	 * delete first line break
	 * @param xText
	 * @throws Exception
	 */
	private void deleteLineBreak(XTextDocument xTextDocument) throws Exception
	{
		XText xText = xTextDocument.getText();
		String content = xText.getString();
		content = content.replaceFirst("\n", "");
		xText.setString(content);
	}
	
	/**
	 * get line count of all text.
	 * \n represent line break. 
	 * @param xText
	 * @return count of line breaks
	 * @throws Exception
	 */
	private int getLineCount(XTextDocument xTextDocument) throws Exception
	{
		int count = 1;	
		XText xText = xTextDocument.getText();
		String content = xText.getString();
		int index = content.indexOf("\n");
		while(index >=0)
		{
			count ++;
			content = content.substring(index+1);
			index = content.indexOf("\n");
		}
		return count;
	}

}