from typing import Optional
from uuid import UUID
from pydantic import BaseModel, validator


class AccessToken(BaseModel):

    accessToken: Optional[str] = None
    userUUID: Optional[str] = None

    @validator("userUUID", pre=True)
    def validate_uuid(cls, v):
        """Convert UUID to string during validation."""
        if isinstance(v, UUID):
            return str(v)
        return v

    def to_list(self):
        """Convert to list for Redis storage."""
        return [self.accessToken, self.userUUID]

    @property
    def count(self):
        return 2

    @property
    def delimiter(self):
        return "*"