import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.logging.Level;
import java.util.logging.Logger;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author vincz
 */
public class AnnotWrite {
    
    public static void main(String[] args) {
		//name of the folder where the annotation and the txt files are located
		final File folderHL = new File("d:/Dokumentumok/divany_UJ");
                //final File folderHL = new File("d:\\kutcsopgep\\propaganda\\datasets\\test-articles\\");
		listFilesForFolder(folderHL);
	}

	//listing the files
	public static void listFilesForFolder(final File folder) {

		for (final File fileEntry : folder.listFiles()) {
			if (fileEntry.isDirectory()) {
				listFilesForFolder(fileEntry);
			} else {
				if (fileEntry.getName().endsWith("txt")) {
					writeAnnot(fileEntry);
				}

			}
		}
	}

	//writing the annotations
	private static void writeAnnot(File fileEntry) {

		String line = null;

		try {
			BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
					new FileInputStream(fileEntry + ".annotation"), "UTF-8"));
                            //    new FileInputStream("d:\\kutcsopgep\\propaganda\\datasets\\test-articles\\test-task-TC-template.out"), "UTF-8"));
                             //   new FileInputStream(fileEntry.toString().replace("txt", "") + "task2-TC.labels"), "UTF-8"));

			while ((line = bufferedReader.readLine()) != null) {

				String[] piece = line.split("\t");
//textAnnotator - piece should be 3, start 1 stop 2
				if (piece.length != 3) {
					continue;
				}
                                System.out.println(fileEntry);

				int start = Integer.parseInt(piece[1]);
				int stop = Integer.parseInt(piece[2]);
				String doc = readFileToString(fileEntry, "UTF-8"); 
				
                                
			//	if (fileEntry.toString().contains(piece[0])) {
				System.err.println(fileEntry + "\t" + start + "\t" + stop + "\t" + piece[0] + "\t" + doc.substring(start, stop));
			//}

			}

			bufferedReader.close();

		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}


	}

	//reading the txt files
	public static String readFileToString(File fileEntry, String cEncoding) {
		StringBuilder b = new StringBuilder();
		try {
			BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(fileEntry), cEncoding));
			String line;
			while ((line = reader.readLine()) != null) {
				b.append(line).append("\n");
			}
			reader.close();
		} catch (IOException e) {
			System.err.println("Problem with file: " + fileEntry);
			return new String();
		}
		return b.toString();
	}

    
}