from __future__ import annotations

from collections.abc import Mapping
from typing import Any, TypeVar

from attrs import define as _attrs_define
from attrs import field as _attrs_field

T = TypeVar("T", bound="PipelineTransitionRequest")


@_attrs_define
class PipelineTransitionRequest:
    """Request to validate a pipeline state transition.

    Attributes:
        from_state (str): Current state
        pipeline_id (str): Pipeline identifier
        to_state (str): Target state
    """

    from_state: str
    pipeline_id: str
    to_state: str
    additional_properties: dict[str, Any] = _attrs_field(init=False, factory=dict)

    def to_dict(self) -> dict[str, Any]:
        from_state = self.from_state

        pipeline_id = self.pipeline_id

        to_state = self.to_state

        field_dict: dict[str, Any] = {}
        field_dict.update(self.additional_properties)
        field_dict.update(
            {
                "from_state": from_state,
                "pipeline_id": pipeline_id,
                "to_state": to_state,
            }
        )

        return field_dict

    @classmethod
    def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
        d = dict(src_dict)
        from_state = d.pop("from_state")

        pipeline_id = d.pop("pipeline_id")

        to_state = d.pop("to_state")

        pipeline_transition_request = cls(
            from_state=from_state,
            pipeline_id=pipeline_id,
            to_state=to_state,
        )

        pipeline_transition_request.additional_properties = d
        return pipeline_transition_request

    @property
    def additional_keys(self) -> list[str]:
        return list(self.additional_properties.keys())

    def __getitem__(self, key: str) -> Any:
        return self.additional_properties[key]

    def __setitem__(self, key: str, value: Any) -> None:
        self.additional_properties[key] = value

    def __delitem__(self, key: str) -> None:
        del self.additional_properties[key]

    def __contains__(self, key: str) -> bool:
        return key in self.additional_properties
