package arrayplay;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class ReverseCopy {
    public static void main (String[] args) throws FileNotFoundException, IOException {
        String inputFileName = "Better.text";
        String outputFileName = "BetterReversed.text";
        String[] words = readWordsFromFile(inputFileName);
        writeWordstoFile(words,outputFileName);
    }

    private static final int LIMIT = 1000;


    private static String[] readWordsFromFile(String inputFileName) throws FileNotFoundException {
        // Equate a scanner with the file
        Scanner scanner = establishScanner(inputFileName);
        // Read the words from the file into an oversized array
        String[] temp = new String[LIMIT];
        int index = 0;
        while (scanner.hasNext()) {
            String word = scanner.next();
            temp[index] = word;
            index = index + 1;
        }
        int wordCount = index;
                  //Transfer the words to a perfectly sized array
                  String[] words = new String[wordCount];
                  for ( int x = 0; x < wordCount; x = x + 1 ) {
                           words[x] = temp[x];
                      }
                  //Return the words
                  return words;
              }

              private static void writeWordstoFile(String[] words, String outputFileName) throws IOException {
                  //Equate a printer with an output file
                  PrintWriter printer = getPrintWriter(outputFileName);
                  //Print the words to the file
                  for ( int x = words.length-1; x >= 0; x = x - 1) {
                          printer.println(words[x]);
                      }
                  printer.close();
              }

              private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
                  String fullFileName = createFullFileName(inputFileName);
                  return new Scanner(new File(fullFileName));
              }

              private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
                  String fullFileName = createFullFileName(outputFileName);
                  PrintWriter printer = new PrintWriter(fullFileName);
                  return printer;
              }

              //Create the full file name for a simple file name, assuming that it will be
              //found in the CS1Files/data subdirectory of the user's home directory.

              private static String createFullFileName(String fileName) {
                  String separator = System.getProperty("file.separator");
                  String home = System.getProperty("user.home");
                  String path = home + separator + "CS1Files" + separator + "data" + separator;
                  String fullFileName = path + fileName;
                  return fullFileName;
              }

          }