package arraylistplay;

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

public class ReverseCopy2 {
    public static void main(String[] args) throws FileNotFoundException, IOException{
        String inputFileName = "ItWillRain.text";
        String outputFileName = "ItWillRainReversed.text";
        ArrayList<String>words = readWordsFromFile(inputFileName);
        writeWordsToFile(words, outputFileName);
    }


    private static void writeWordsToFile(ArrayList<String> words, String outputFileName) throws IOException {
        //Equate a printer with an output file
        PrintWriter printer = getPrinterWriter(outputFileName);
        //Print the words to the file
        for (int x = words.size() - 1; x >= 0; x = x - 1){
            printer.println(words.get(x));
        }
        printer.close();
    }

    private static Scanner establishScanner(String inputFileName)throws FileNotFoundException{

        String fullFileName = createFullFileName(inputFileName);

        return new Scanner(new File(fullFileName));

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

    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;
    }

    private static ArrayList<String> readWordsFromFile(String inputFileName)throws FileNotFoundException{
        //Equate a scanner with the input file
        Scanner scanner = establishScanner(inputFileName);
        //Read the words from the file into a dynamically growing ArrayList
        ArrayList<String> words = new ArrayList<>();
        while (scanner.hasNext()) {
            String word = scanner.next();
            words.add(word);
        }
        //Return the words
        return words;
    }
}