import random as rd
from . import serializable

class Dice(serializable.Serializable):
    def __init__(self, seed=42):
        self.seed = seed
        rd.seed(self.seed)
    
    def roll(self, num_faces=20):
        return rd.randrange(start=1, stop=num_faces+1, step=1)

    def head_or_tails():
        result = rd.randint(0,1)
        if result: # true
            return "head" # face
        else:
            return "tails" # pile