package it.stefanochizzolini.clown.samples;

import it.stefanochizzolini.clown.documents.Document;
import it.stefanochizzolini.clown.documents.Page;
import it.stefanochizzolini.clown.documents.Pages;
import it.stefanochizzolini.clown.files.File;
import it.stefanochizzolini.clown.tools.PageManager;

/**
  This sample demonstrates how to split a document into its constituting pages.

  @author Stefano Chizzolini (http://www.stefanochizzolini.it)
  @version 0.0.6
*/
public class SplitSample
  implements ISample
{
  public void run(
    PDFClownSampleLoader loader
    )
  {
    // 1. Opening the PDF file...
    File file;
    {
      // (boilerplate user choice -- ignore it)
      String filePath = loader.getPdfFileChoice("Please select a PDF file");

      try{file = new File(filePath);}
      catch(Exception e){throw new RuntimeException(filePath + " file access error.",e);}
    }
    Document document = file.getDocument();

    // 2. Splitting the document into single-page documents...
    int index = 0;
    int pagesCount = document.getPages().size();
    for(Document pageDocument : new PageManager(document).split())
    {
      // (boilerplate metadata insertion -- ignore it)
      loader.buildAccessories(pageDocument,this.getClass(),"Split (" + (index + 1) + "/" + pagesCount + ")","splitting a PDF file into its constituting pages");

      // Page file serialization (again, boilerplate code -- see the PDFClownSampleLoader class source code).
      loader.serialize(pageDocument.getFile(),this.getClass().getSimpleName() + "." + (++index),false);
    }
  }
}