import java.io.File;
import java.io.FileNotFoundException;
import java.util.*;



public class Upg1_7
{
    //region Variabels
    Scanner fileScanner;
    File file;
    List<String> dat;
    //endregion

    public Upg1_7(boolean localFile, String dir)
    {
        if (localFile) file = new File(System.getProperty("user.dir") + "\\" + dir);
        else file = new File(dir);

        try
        {
            fileScanner = new Scanner(file);
            dat = new ArrayList<>();
        } catch (FileNotFoundException e)
        {
            System.out.println("File not found");
            e.printStackTrace();
            return;
        }

        while (fileScanner.hasNext())
        {
            dat.add(fileScanner.next());

        }

    }

    public static String findName(ArrayList list, int index)
    {
        return (String) list.get(index);
    }

    public static boolean deleteName(ArrayList list, String name)
    {
        try
        {
            Iterator<String> listIter = list.listIterator();
            int index = 0;
            while (listIter.hasNext())
            {
                if (name.equals(listIter.next()))
                {
                    list.set(index, null);
                    return true;
                }
                index++;

            }
            return false;
        } catch (Exception e)
        {
            e.printStackTrace();
            throw e;
        }
    }

    static int getIndex(ArrayList list, String name)

    {
        try
        {
            Iterator<String> listIter = list.listIterator();
            int index = 0;
            while (listIter.hasNext())
            {
                if (name.equals(listIter.next())) return index;
                {
                    list.set(index, null);

                }
                index++;

            }
            return -1;
        } catch (Exception e)
        {
            e.printStackTrace();
            throw e;
        }
    }


    public static boolean addToList(ArrayList list, String name)
    {
        int index = getIndex(list, name);
        if (index != -1)
        {
                return false;
        }
        else
        {
            list.add(name);
            Collections.sort(list);
            return true;

        }
    }
}