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

import typing

import pydantic
import typing_extensions
from ..core.pydantic_utilities import IS_PYDANTIC_V2, UniversalBaseModel
from ..core.serialization import FieldMetadata
from .tool_part_state import ToolPartState


class ToolPart(UniversalBaseModel):
    """
    Tool invocation and result part.
    """

    error_text: typing_extensions.Annotated[
        typing.Optional[str],
        FieldMetadata(alias="errorText"),
        pydantic.Field(alias="errorText", description="Error message if tool failed"),
    ] = None
    input: typing.Dict[str, typing.Any] = pydantic.Field()
    """
    Input arguments for the tool
    """

    output: typing.Optional[typing.Any] = pydantic.Field(default=None)
    """
    Output from the tool
    """

    state: ToolPartState = pydantic.Field()
    """
    Current state of the tool execution
    """

    tool_call_id: typing_extensions.Annotated[
        str,
        FieldMetadata(alias="toolCallId"),
        pydantic.Field(alias="toolCallId", description="Unique ID for this tool call"),
    ]
    tool_name: typing_extensions.Annotated[
        str, FieldMetadata(alias="toolName"), pydantic.Field(alias="toolName", description="Name of the tool")
    ]

    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
