class PlayerPoints {
  int xp;
  int gp;
  int sp;
  int level;

  PlayerPoints({
    required this.xp,
    required this.gp,
    required this.sp,
    required this.level,
  });

  void addXP(int value) {
    xp += value;
    if (xp >= xpToNextLevel()) {
      levelUp();
    }
  }

  void addGP(int value) => gp += value;
  void addSP(int value) => sp += value;

  int xpToNextLevel() => 1000 + (level * 200);

  void levelUp() {
    level++;
    sp++;
    xp = 0;
  }
}