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

Test node to test out the effects of vectorization.  Scatters the results of gathered compute back to FC
"""

import carb
import numpy

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.gathered_paths
            inputs.rotations
        Outputs:
            outputs.gathered_paths
            outputs.rotations
            outputs.single_rotation
    """

    # 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:gathered_paths', 'token[]', 0, None, 'The paths of the gathered objects', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('inputs:rotations', 'double3[]', 0, None, 'The rotations of the gathered points', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('outputs:gathered_paths', 'token[]', 0, None, 'The paths of the gathered objects', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('outputs:rotations', 'double3[]', 0, None, 'The rotations of the gathered points', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('outputs:single_rotation', 'double3', 0, None, 'Placeholder single rotation until we get the scatter working properly', {ogn.MetadataKeys.DEFAULT: '[0, 0, 0]'}, True, [0, 0, 0], False, ''),
    ])

    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 gathered_paths(self):
            data_view = og.AttributeValueHelper(self._attributes.gathered_paths)
            return data_view.get()

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

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

        @rotations.setter
        def rotations(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.rotations)
            data_view = og.AttributeValueHelper(self._attributes.rotations)
            data_view.set(value)
            self.rotations_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.gathered_paths_size = 0
            self.rotations_size = 0
            self._batchedWriteValues = { }

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

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

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

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

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

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

        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 = OgnTestScatterDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnTestScatterDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnTestScatterDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
