Returns a tuple of form 'bonus damage, armor type' if unit does bonus damage against armor type
        Light = 1; Armored = 2; Biological = 3; Mechanical = 4; Robotic = 5; Psionic = 6; Massive = 7;
        Structure = 8; Hover = 9; Heroic = 10; Summoned = 11

def bonus_damage(self):
        """ Returns a tuple of form 'bonus damage, armor type' if unit does bonus damage against armor type
        Light = 1; Armored = 2; Biological = 3; Mechanical = 4; Robotic = 5; Psionic = 6; Massive = 7;
        Structure = 8; Hover = 9; Heroic = 10; Summoned = 11 """
        # TODO Consider unit with ability attacks like Oracle, Thor, Baneling
        if self._weapons:
            for weapon in self._weapons:
                if weapon.damage_bonus:
                    b = weapon.damage_bonus[0]
                    return b.bonus, b.attribute