from typing import Any, Dict, List, Type, TypeVar, Union

import attr

from ..models.axis_direction_pair import AxisDirectionPair
from ..types import UNSET, Unset

AE = TypeVar("AE", bound="System")

@attr.s(auto_attribs=True)
class System:
	""" Co-ordinate system definition.

The `up` axis must be orthogonal to the `forward` axis.

See [cglearn.eu] for background reading.

[cglearn.eu](https://cglearn.eu/pub/computer-graphics/introduction-to-geometry#material-coordinate-systems-1) """ # noqa: E501
	forward: Union[Unset, AxisDirectionPair] = UNSET
	up: Union[Unset, AxisDirectionPair] = UNSET

	additional_properties: Dict[str, Any] = attr.ib(init=False, factory=dict)

	def to_dict(self) -> Dict[str, Any]:
		if not isinstance(self.forward, Unset):
			forward = self.forward
		if not isinstance(self.up, Unset):
			up = self.up

		field_dict: Dict[str, Any] = {}
		field_dict.update(self.additional_properties)
		field_dict.update({})
		if forward is not UNSET:
			field_dict['forward'] = forward
		if up is not UNSET:
			field_dict['up'] = up

		return field_dict

	@classmethod
	def from_dict(cls: Type[AE], src_dict: Dict[str, Any]) -> AE:
		d = src_dict.copy()
		_forward = d.pop("forward", UNSET)
		forward: Union[Unset, AxisDirectionPair]
		if isinstance(_forward, Unset):
			forward = UNSET
		else:
			forward = _forward # type: ignore[arg-type]

		_up = d.pop("up", UNSET)
		up: Union[Unset, AxisDirectionPair]
		if isinstance(_up, Unset):
			up = UNSET
		else:
			up = _up # type: ignore[arg-type]


		system = cls(
			forward= forward,
			up= up,
		)

		system.additional_properties = d
		return system

	@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