SKILL_SCORE_DICT = {
    ".12--1<": 2.0,
    ".12--1o": 1.7,
    ".41/": 0.6,
    ".8-1<": 1.3,
    ".8-1o": 1.1,
    ".8-3<": 1.5,
    ".8-3o": 1.3,
    ".821<": 1.5,
    "4.-/": 0.6,
    "8.--/": 1.0,
    "8.--<": 1.2,
    "8.--o": 1.0,
    "8.11<": 1.4,
    "8.11o": 1.2,
    "8.22/": 1.6,
    "8.22o": 1.4,
    "8.31<": 1.6,
}

FRONTWARD = 1
BACKWARD = 0


class Skill:
    """Class skill

    Each object `skill` is composed by the following fields :
        - numeric_code
        - direction
        - rotation_quantity
        - position
        - twist_in_quantity
        - twist_out_quantity

    """

    def __init__(self, skill_string):
        skill_string = skill_string.strip().replace("\s", "")
        self.numeric_code = skill_string

        if skill_string.startswith("."):
            self.direction = FRONTWARD
        elif skill_string.find("."):
            self.direction = BACKWARD
        else:
            self.rotation_quantity = None

        position = skill_string[-1:]
        if position == "o" or position == "<" or position == "/":
            self.position = position
        else:
            self.position = None

        rotation_quantity = len(skill_string)
        if rotation_quantity == 4:
            self.rotation_quantity = 1
            start = 2
        elif rotation_quantity == 5:
            self.rotation_quantity = 2
            start = 2
        elif rotation_quantity == 7:
            self.rotation_quantity = 3
            start = 3
        elif rotation_quantity == 8:
            self.rotation_quantity = 4
            start = 3
        else:
            self.rotation_quantity = None
            self.twist_in_quantity = None
            self.twist_out_quantity = None
            print(f"Unknow skill: {skill_string}")
            return

        twisting = skill_string[start:-1]
        self.twist_in_quantity = 0 if twisting[0] == "-" else int(twisting[0])
        self.twist_out_quantity = 0 if twisting[-1:] == "-" else int(twisting[-1:])

    def __str__(self):
        return self.numeric_code