# This file was auto-generated by Fern from our API Definition.

import typing

import pydantic
from ..core.pydantic_utilities import IS_PYDANTIC_V2
from ..core.unchecked_base_model import UncheckedBaseModel
from .cartesia_model_id import CartesiaModelId
from .cartesia_voice import CartesiaVoice


class Cartesia(UncheckedBaseModel):
    type: typing.Literal["cartesia"] = "cartesia"
    version: typing.Optional[typing.Literal["2025-03-17"]] = pydantic.Field(default=None)
    """
    The API version header for the Cartesia text-to-speech API
    """

    model_id: CartesiaModelId = pydantic.Field()
    """
    Cartesia model ID
    """

    voice: CartesiaVoice
    language: typing.Optional[str] = pydantic.Field(default=None)
    """
    Cartesia language code
    """

    volume: typing.Optional[float] = pydantic.Field(default=None)
    """
    Volume level for Cartesia TTS output. Valid range: 0.5 to 2.0. See [Cartesia documentation](https://docs.cartesia.ai/build-with-cartesia/sonic-3/volume-speed-emotion#volume-speed-and-emotion).
    """

    if IS_PYDANTIC_V2:
        model_config: typing.ClassVar[pydantic.ConfigDict] = pydantic.ConfigDict(extra="allow", frozen=True)  # type: ignore # Pydantic v2
    else:

        class Config:
            frozen = True
            smart_union = True
            extra = pydantic.Extra.allow