""" Tokenization types """
from typing import List

from pydantic import BaseModel


class CommonTokenRequest(BaseModel):
    """Represents a common tokenization request."""

    add_bos_token: bool = True
    encode_special_tokens: bool = True
    decode_special_tokens: bool = True

    def get_params(self):
        """Get the parameters for tokenization."""
        return {
            "add_bos_token": self.add_bos_token,
            "encode_special_tokens": self.encode_special_tokens,
            "decode_special_tokens": self.decode_special_tokens,
        }


class TokenEncodeRequest(CommonTokenRequest):
    """Represents a tokenization request."""

    text: str


class TokenEncodeResponse(BaseModel):
    """Represents a tokenization response."""

    tokens: List[int]
    length: int


class TokenDecodeRequest(CommonTokenRequest):
    """ " Represents a detokenization request."""

    tokens: List[int]


class TokenDecodeResponse(BaseModel):
    """Represents a detokenization response."""

    text: str


class TokenCountResponse(BaseModel):
    """Represents a token count response."""

    length: int