package me.package.test;

import org.bukkit.entity.Player;
import org.bukkit.scoreboard.DisplaySlot;
import org.bukkit.scoreboard.Objective;
import org.bukkit.scoreboard.Scoreboard;
import org.bukkit.scoreboard.ScoreboardManager;
import org.bukkit.scoreboard.Team;

public class Scoreboards {

    private ScoreboardManager manager;
    private Scoreboard board;
    private Team team;
    private Objective o;
    private Objective buffer;
    private Objective t;

    public Scoreboards() {
        // Setting up all the scoreboard variables
        this.manager = plugin.getServer().getScoreboardManager();
        this.board = manager.getNewScoreboard();
        this.team = board.registerNewTeam("team");
        // Two objectives for buffer & normal
        this.o = board.registerNewObjective("test", "dummy");
        this.buffer = board.registerNewObjective("buffer", "dummy");

        // Setting up the scoreboard display stuff
        this.o.setDisplaySlot(DisplaySlot.SIDEBAR);
        this.o.setDisplayName("SCOREBOARD!!!");
    }

    public void setScore(String name, int score) {
        // First you update the buffer
        buffer.getScore(name).setScore(score);
        // Then you tell the scoreboard to use the buffer
        // and swap the variables for our convenience
        swapBuffer();
        // And update the -what used to be objective- buffer
        buffer.getScore(name).setScore(score);
    }

    public void swapBuffer() {
        // Simply change the slot, the scoreboard will now
        // push all updating packets to the player
        // Thus wasting not a single ms on executing this at
        // a later time
        buffer.setDisplaySlot(o.getDisplaySlot());
        buffer.setDisplayName(o.getDisplayName());
        // Simply changing references for naming convenience
        t = o;
        o = buffer;
        buffer = t;
    }

    // A simple method to set the scores again, and therefore refresh it.
    public void refresh() {
        setScore("Red Team", Scores.redScore);
        setScore("Blue Team", Scores.blueScore);
    }

    // Adding the player to the scoreboard
    public void addPlayer(Player p) {
        team.addPlayer(p);
        p.setScoreboard(board);
    }

    // Removing the player from the scoreboard
    public void removePlayer(Player p) {
        team.removePlayer(p);
        p.setScoreboard(manager.getNewScoreboard());
    }