/**
 * represents the ArrayList of IndexEntries
 * that gets written to the file
 */
import java.util.*;

public class DocumentIndex extends ArrayList<IndexEntry>
{


    /**constructors - one no args, one where capacity is plugged in*/
    public DocumentIndex()
    {
        super();
    }

    public DocumentIndex(int c)
    {
        super(c);
    }


     /**addWord - two parameters - String word and int num

        1.  Call foundOrInserted method to figure out position of the IndexEntry
        for word, and retrieve that IndexEntry from this DocumentIndex

        2.  adds num to the IndexEntry that was either looked up
        or created in step one, by calling it's add(num) method.

        */
       public void addWord(String w, int n)
       {
           IndexEntry entry = this.get(foundOrInserted(w));
           entry.add(n);
       }


       /**
        * foundOrInserted
        * Tried to find an IndexEntry with a given word in this DocumentIndex.
        * If not found, inserts a new IndexEntry for word in the appropriate
        * place alphabetically.  Returns the index of the found or inserted InexEntry.
        * use compareTo
        * example: "CAT.compareTo("AND")>0
        */
       private int foundOrInserted(String word) //returns the line number
       {
           int count=0;
           IndexEntry test = new IndexEntry(word);
           this.add(test);
           DocumentIndex d = new DocumentIndex();
           for(int x=0;x<d.size();x++)
           {
               count++;
               if(d.get(x).getWord().equals(test))
                 return count;

           }
           return d.size(); //change this line where it returns
        }


    //for each word in str, calls addWord(word, num)
    public void addAllWords(String str, int num)
    {
        String words[] = str.split("\\W+"); //splits according to whitespace
        for(String w: words)
        {
            if(w.length()>0)
               addWord(w, num);
            //fill in!!!

        }



    }

}