package controller;

import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Font;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfWriter;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.File;
import javax.swing.JFileChooser;
import model.PdfFilter;
import model.Watermark;

public class Controller.java {


    public void genPdfButtonActionPerformed(java.awt.event.ActionEvent evt) {
        
        String filePath = fileChoose();
        if(filePath != "") {
            genPdf(filePath);
        }
    }
    private void genPdf(String filePath) {
        try {
            tryGenPdf(filePath);
        }catch(FileNotFoundException ex) {
            System.err.println("A fájl nem található!");
        }catch(DocumentException ex){
            System.err.println("Hiba a dokumentum készítése során!");
        }catch(IOException ex){
            System.err.println("Hiba a kiírás során!");
        }
        
    }
    
    private void tryGenPdf(String filePath) throws FileNotFoundException, DocumentException,
            IOException {
        Document document = new Document();
        
        FileOutputStream os = new FileOutputStream(filePath);
        PdfWriter pdfWriter = PdfWriter.getInstance(document, os);
        pdfWriter.setPageEvent(new Watermark());  //vízjel hozzáadása
        document.open();
 
        BaseFont baseFont = BaseFont.createFont(BaseFont.HELVETICA,
            BaseFont.CP1250, BaseFont.EMBEDDED);
        Font font = new Font(baseFont, 12, Font.NORMAL);
        Chunk chunk = new Chunk("Árvíztűrő tükörfúrógép.", font);
        document.add(chunk);

        document.close();
        
    }
    
    private String fileChoose() {
        JFileChooser fileChooser = new JFileChooser();
        String filePath = "";
        //Itt adjuk hozzá a filtert (2 sor):
        fileChooser.setAcceptAllFileFilterUsed(false);
	fileChooser.addChoosableFileFilter(new PdfFilter());
        
        if(  fileChooser.showSaveDialog(null) == JFileChooser.APPROVE_OPTION  ) {
            filePath =  fileChooser.getSelectedFile().getPath();
        }
        return filePath;
    }
}