import typing

from ..BasicGeometry.InterestingPoint import InterestingPoint
from ..BasicGeometry.Vertex import Vertex
from ..Datum.Datum import Datum
from ..Mesh.MeshNode import MeshNode


class ReferencePoint:
    """The ReferencePoint object has no direct constructor; it is created when a Feature object
    is created. The ReferencePoint method creates a Feature object that creates a
    ReferencePoint object.

    Notes
    -----
    This object can be accessed by:

    .. code-block:: python

        import part
        mdb.models[name].parts[name].allInternalSets[name].referencePoints[i]
        mdb.models[name].parts[name].allSets[name].referencePoints[i]
        mdb.models[name].parts[name].referencePoints[i]
        mdb.models[name].parts[name].sets[name].referencePoints[i]
        import assembly
        mdb.models[name].rootAssembly.allInstances[name].referencePoints[i]
        mdb.models[name].rootAssembly.allInstances[name].sets[name].referencePoints[i]
        mdb.models[name].rootAssembly.allInternalSets[name].referencePoints[i]
        mdb.models[name].rootAssembly.allSets[name].referencePoints[i]
        mdb.models[name].rootAssembly.instances[name].referencePoints[i]
        mdb.models[name].rootAssembly.instances[name].sets[name].referencePoints[i]
        mdb.models[name].rootAssembly.modelInstances[i].referencePoints[i]
        mdb.models[name].rootAssembly.modelInstances[i].sets[name].referencePoints[i]
        mdb.models[name].rootAssembly.referencePoints[i]
        mdb.models[name].rootAssembly.sets[name].referencePoints[i]

    """

    def __init__(
        self,
        point: typing.Union[tuple, Vertex, InterestingPoint, MeshNode, Datum],
        instanceName: str = "",
    ):
        """This method creates a Feature object and a ReferencePoint object at the specified
        location.

        Notes
        -----
        This function can be accessed by:

        .. code-block:: python

            mdb.models[name].rootAssembly.ReferencePoint
            mdb.models[name].parts[name].ReferencePoint

        Parameters
        ----------
        point
            A ConstrainedSketchVertex, InterestingPoint, a MeshNode, or a Datum object specifying a reference point.
            *point* can also be a sequence of three Floats representing the *X*-, *Y*-, and
            *Z*-coordinates of the point.
        instanceName
            Used internally by the input file writer.

        Returns
        -------
            A Feature object.
        """
