import java.util.Scanner;
import java.io.*;
import java.lang.*;
public class NewEditor
{
        Printer pr= new Printer();
        String [] names;
        String [] hours;
        String [] types;
        String [] wiggles;
    public void edit()
    {
        Scanner keyboard = new Scanner(System.in);
        System.out.println("Enter The File You'll be editing:");
        String fileName = keyboard.nextLine();
        System.out.println("Enter the number of the Item that you want to Edit.");
        String y = keyboard.next();
        int c = Integer.parseInt(y);
        try
        {
         BufferedReader file = new BufferedReader(new FileReader(fileName+".txt"));
         int linenumber = 0;
         if(file.ready())
            {

                FileReader fr = new FileReader(fileName + ".txt");
                LineNumberReader lnr = new LineNumberReader(fr);
                    while (lnr.readLine() != null)
                    {
                        linenumber++;
                    }
                    lnr.close();
            }
                else
                {
                 System.out.println("File does not exists!");
                }
         int arraySize = linenumber/4;
         String [] names= new String[arraySize];
         String [] hours= new String[arraySize];
         String [] types =new String[arraySize];
         String [] wiggles= new String[arraySize];
         for (int l=0; l<arraySize; l++)
         {
            file.read();
            file.read();
            names[l]=file.readLine();
            file.read();
            file.read();
            hours[l]=file.readLine();
            file.read();
            file.read();
            types[l]=file.readLine();
            wiggles[l]=file.readLine();
         }
         System.out.println(names[c-1]+"\n"+hours[c-1]+"\n"+types[c-1]+"\n"+wiggles[c-1]+"\n");

         System.out.println("Enter the new Activity Name:");
         names[c-1]=keyboard.nextLine();


         System.out.println("Enter the new number of hours:");
         hours[c-1]=keyboard.nextLine()+ " hours";


         System.out.println("Enter the type of activity:");
         types[c-1]=keyboard.nextLine();

         System.out.println(wiggles[c-1]);

         editFilePrinter(names,hours,types,fileName,arraySize);
        }
         catch (IOException e)
            {
            System.out.println("Activity Not Found");
            }

        }

        public void editFilePrinter(String [] names, String [] hours, String[] types, String fileName, int arraySize)
        {
            try
            {
            PrintWriter p = new PrintWriter(" New "+fileName + ".txt");
                for(int i=0; i<arraySize; i++)
                    {
                        p.println((i+1)+". "+names[i]);
                        p.println("   "+hours[i]);
                        p.println("   "+types[i]);
                        p.println("~~~~~~~~~~~~~~~");
                    }
            p.close();
            }
            catch (Exception e)
            {
               System.out.println("There is an Error in creating the file");
            }
        }
}