import tortoise.fields

from .constants import constants

class field_generator:
    """
    That class is used to store methods, which generate fields by items 
    which would be stored in that fields, like nick, password or 
    description.

    Methods
    -------
    id : tortoise.fields.IntField
        Field for storing objects ID.

    name : tortoise.fields.TextField
        Field which store name.

    password : tortosie.fields.TextField
        Field which store password.
    """

    @staticmethod
    def id() -> tortoise.fields.IntField:
        return tortoise.fields.IntField(primary_key = True)

    @staticmethod
    def name() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 30)

    @staticmethod
    def password() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 256)

    @staticmethod
    def surname() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 30)

    @staticmethod
    def nick() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 20)

    @staticmethod
    def description() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 4096)
        
    @staticmethod
    def phone_number() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 15)

    @staticmethod
    def barcode() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 13)

    @staticmethod
    def email() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 30)

    @staticmethod
    def apikey() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 280)

    @staticmethod
    def secret() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 256)

    @staticmethod
    def permissions() -> tortoise.fields.BooleanField:
        return tortoise.fields.BooleanField()

    @staticmethod
    def stock() -> tortoise.fields.IntField:
        return tortoise.fields.IntField

    @staticmethod
    def boolean() -> tortoise.fields.BooleanField:
        return tortoise.fields.BooleanField()

    @staticmethod
    def path() -> tortoise.fields.TextField:
        return tortoise.fields.TextField(max_lenght = 4096)

    @staticmethod
    def __connected_names(
        target: type, 
        own: type | str,
        field: str | None) -> [str, str]:
        target_model = constants.get_model_name(target)
        related_field = constants.get_related_name(own, field)
        
        return target_model, related_field

    @classmethod
    def connected_many(
        cls, 
        target: type, 
        own: type | str,
        field: str | None = None
    ) -> tortoise.fields.ManyToManyField:
        model, related = cls.__connected_names(target, own, field)

        return tortoise.fields.ManyToManyField(
            model,
            related_name = related
        )

    @classmethod
    def connected_single(
        cls, 
        target: type,
        own: type | str,
        field: str | None = None
    ) -> tortoise.fields.ForeignKeyField:
        model, related = cls.__connected_names(target, own, field)

        return tortoise.fields.ForeignKeyField(
            model, 
            related_name = related
        )