import java.io.*;
import java.util.*;

public class Rank {

    //Instances

    private ArrayList <String> gameTags = new ArrayList<String>();
    private ArrayList <Integer> Scores = new ArrayList<Integer>();

    //Constructor

    public Rank(ArrayList<String>gameTags,ArrayList<Integer>Scores) {

        this.gameTags = gameTags;
        this.Scores = Scores;
    }



    //Writing file (doesn't need to be called every time because after each methods it is called)
    /*
     *
     */
    public void FileWriter() throws FileNotFoundException{

        File file = new File("Score.txt");
        PrintWriter out = new PrintWriter(file);

        if(gameTags.size() != Scores.size()) {
            System.out.println("ERROR");
        }

        for(int i = 0; i < this.gameTags.size(); i++) {
            out.print(this.gameTags.get(i) + "<" + this.Scores.get(i) + ">" + System.lineSeparator());
        }
        out.close();

    }

    //Add new gameTag if is not present in the file other wise prints an error

    public void addUser(String newTag) throws FileNotFoundException {

            if(!(this.gameTags.contains(newTag))) {
                this.gameTags.add(newTag);
                this.Scores.add(0);

            }
            else {
                System.out.println("Error");
            }

            FileWriter();

    }

    //Add Scores to players if it is higher that the one that they score before

    public void addScore(String gameTag,int newScore) throws FileNotFoundException {

        if(this.gameTags.contains(gameTag)) {
            int x = this.gameTags.indexOf(gameTag);
            if(this.Scores.get(x) < newScore) {
            this.Scores.set(x, newScore);
            }
        }
        else {
            System.out.println("The GameTag is not present");

        }

        FileWriter();

    }

    //Get Score from the GameTag returns the score of certain gameTag if the tag exist

    public int getScore(String gameTag) {

        int out = 0;

        if(this.gameTags.contains(gameTag)) {
            int x = this.gameTags.indexOf(gameTag);
            out = this.Scores.get(x);
        }
        else {
            System.out.println("The GameTag is not present");
        }
        return out;

    }

    public void getHighScore() {
         System.out.println(Collections.max(Scores));

    }

}