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

This node is meant to exercise special bundle member casting used by USD types. It just copies members of the input bundle
to the output bundle when any of the recognized USD casting types are found.
"""

import carb

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.a_bundle
        Outputs:
            outputs.a_bundle
        State:
            state.a_bundle
    """

    # 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:a_bundle', 'bundle', 0, None, 'Input Attribute', {}, True, None, False, ''),
        ('outputs:a_bundle', 'bundle', 0, None, 'Computed Attribute', {}, True, None, False, ''),
        ('state:a_bundle', 'bundle', 0, None, 'State Attribute', {}, True, None, 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.a_bundle = og.AttributeRole.BUNDLE
        role_data.outputs.a_bundle = og.AttributeRole.BUNDLE
        role_data.state.a_bundle = og.AttributeRole.BUNDLE
        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.__bundles = og.BundleContainer(context, node, attributes, [], read_only=True, gpu_ptr_kinds={})
            self._batchedReadAttributes = []
            self._batchedReadValues = []

        @property
        def a_bundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute inputs.a_bundle"""
            return self.__bundles.a_bundle

        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.__bundles = og.BundleContainer(context, node, attributes, [], read_only=False, gpu_ptr_kinds={})
            self._batchedWriteValues = { }

        @property
        def a_bundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute outputs.a_bundle"""
            return self.__bundles.a_bundle

        @a_bundle.setter
        def a_bundle(self, bundle: og.BundleContents):
            """Overwrite the bundle attribute outputs.a_bundle with a new bundle"""
            if not isinstance(bundle, og.BundleContents):
                carb.log_error("Only bundle attributes can be assigned to another bundle attribute")
            self.__bundles.a_bundle.bundle = bundle

        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)
            self.__bundles = og.BundleContainer(context, node, attributes, [], read_only=False, gpu_ptr_kinds={})

        @property
        def a_bundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute state.a_bundle"""
            return self.__bundles.a_bundle

        @a_bundle.setter
        def a_bundle(self, bundle: og.BundleContents):
            """Overwrite the bundle attribute state.a_bundle with a new bundle"""
            if not isinstance(bundle, og.BundleContents):
                carb.log_error("Only bundle attributes can be assigned to another bundle attribute")
            self.__bundles.a_bundle.bundle = bundle

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