"""Support for simplified access to data on nodes of type omni.graph.nodes.ReadPrimMaterial

Given a path to a  prim on the current USD stage,  outputs the material of the prim.  Gives an error if the given prim  can
not be found.
"""

import usdrt

import omni.graph.core as og
import omni.graph.core._omni_graph_core as _og
import omni.graph.tools.ogn as ogn



class OgnReadPrimMaterialDatabase(og.Database):
    """Helper class providing simplified access to data on nodes of type omni.graph.nodes.ReadPrimMaterial

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.prim
            inputs.primPath
        Outputs:
            outputs.material
            outputs.materialPrim
    """

    # Imprint the generator and target ABI versions in the file for JIT generation
    GENERATOR_VERSION = (1, 41, 3)
    TARGET_VERSION = (2, 139, 12)

    # This is an internal object that provides per-class storage of a per-node data dictionary
    PER_NODE_DATA = {}

    # This is an internal object that describes unchanging attributes in a generic way
    # The values in this list are in no particular order, as a per-attribute tuple
    #     Name, Type, ExtendedTypeIndex, UiName, Description, Metadata,
    #     Is_Required, DefaultValue, Is_Deprecated, DeprecationMsg
    # You should not need to access any of this data directly, use the defined database interfaces
    INTERFACE = og.Database._get_interface([
        ('inputs:prim', 'target', 0, None, 'The prim with the material to be read. If both this and primPath inputs are set, this input takes priority.', {}, True, [], False, ''),
        ('inputs:primPath', 'path', 0, 'Prim Path', 'Path of the prim with the material to be read.', {}, True, "", True, 'Use prim input instead'),
        ('outputs:material', 'path', 0, 'Material Path', 'The material of the input prim', {}, True, None, True, 'Use materialPrim output instead'),
        ('outputs:materialPrim', 'target', 0, 'Material', 'The prim containing the material of the input prim', {}, True, [], False, ''),
    ])

    @classmethod
    def _populate_role_data(cls):
        """Populate a role structure with the non-default roles on this node type"""
        role_data = super()._populate_role_data()
        role_data.inputs.prim = og.AttributeRole.TARGET
        role_data.inputs.primPath = og.AttributeRole.PATH
        role_data.outputs.material = og.AttributeRole.PATH
        role_data.outputs.materialPrim = og.AttributeRole.TARGET
        return role_data

    class ValuesForInputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = { }
        """Helper class that creates natural hierarchical access to input attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)
            self._batchedReadAttributes = []
            self._batchedReadValues = []

        @property
        def prim(self):
            data_view = og.AttributeValueHelper(self._attributes.prim)
            return data_view.get()

        @prim.setter
        def prim(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.prim)
            data_view = og.AttributeValueHelper(self._attributes.prim)
            data_view.set(value)
            self.prim_size = data_view.get_array_size()

        @property
        def primPath(self):
            data_view = og.AttributeValueHelper(self._attributes.primPath)
            return data_view.get()

        @primPath.setter
        def primPath(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.primPath)
            data_view = og.AttributeValueHelper(self._attributes.primPath)
            data_view.set(value)
            self.primPath_size = data_view.get_array_size()

        def _prefetch(self):
            readAttributes = self._batchedReadAttributes
            newValues = _og._prefetch_input_attributes_data(readAttributes)
            if len(readAttributes) == len(newValues):
                self._batchedReadValues = newValues

    class ValuesForOutputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = { }
        """Helper class that creates natural hierarchical access to output attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)
            self.material_size = None
            self.materialPrim_size = None
            self._batchedWriteValues = { }

        @property
        def material(self):
            data_view = og.AttributeValueHelper(self._attributes.material)
            return data_view.get(reserved_element_count=self.material_size)

        @material.setter
        def material(self, value):
            data_view = og.AttributeValueHelper(self._attributes.material)
            data_view.set(value)
            self.material_size = data_view.get_array_size()

        @property
        def materialPrim(self):
            data_view = og.AttributeValueHelper(self._attributes.materialPrim)
            return data_view.get(reserved_element_count=self.materialPrim_size)

        @materialPrim.setter
        def materialPrim(self, value):
            data_view = og.AttributeValueHelper(self._attributes.materialPrim)
            data_view.set(value)
            self.materialPrim_size = data_view.get_array_size()

        def _commit(self):
            _og._commit_output_attributes_data(self._batchedWriteValues)
            self._batchedWriteValues = { }

    class ValuesForState(og.DynamicAttributeAccess):
        """Helper class that creates natural hierarchical access to state attributes"""
        def __init__(self, node: og.Node, attributes, dynamic_attributes: og.DynamicAttributeInterface):
            """Initialize simplified access for the attribute data"""
            context = node.get_graph().get_default_graph_context()
            super().__init__(context, node, attributes, dynamic_attributes)

    def __init__(self, node):
        super().__init__(node)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_INPUT)
        self.inputs = OgnReadPrimMaterialDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnReadPrimMaterialDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnReadPrimMaterialDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
