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="ToLoveAndToBeLoved.text";
        String outputFileName="ToLoveAndToBeLovedReversed.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 input 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 toa perfectly sized array
        String[] words=new String[wordCount];
        for (int x=0;x<wordCount;x = x+1) {
            words[x]=temp[x];
        }
        //return words;
        return words;
    }

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

    //create the full file name for the simple file name assuming it will be found in the CS1/data subdirectory

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


}