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

Node that consumes bundle from producer for change tracking
"""

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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.bundle
        Outputs:
            outputs.bundle
            outputs.hasOutputBundleChanged
    """

    # 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:bundle', 'bundle', 0, None, 'Input Bundle', {}, True, None, False, ''),
        ('outputs:bundle', 'bundle', 0, None, 'Output Bundle', {}, True, None, False, ''),
        ('outputs:hasOutputBundleChanged', 'bool', 0, None, 'Flag to detect if output bundle was updated.', {ogn.MetadataKeys.DEFAULT: 'false'}, True, False, 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.bundle = og.AttributeRole.BUNDLE
        role_data.outputs.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 bundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute inputs.bundle"""
            return self.__bundles.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 bundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute outputs.bundle"""
            return self.__bundles.bundle

        @bundle.setter
        def bundle(self, bundle: og.BundleContents):
            """Overwrite the bundle attribute outputs.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.bundle.bundle = bundle

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

        @hasOutputBundleChanged.setter
        def hasOutputBundleChanged(self, value):
            data_view = og.AttributeValueHelper(self._attributes.hasOutputBundleChanged)
            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 = OgnBundleConsumerDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnBundleConsumerDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnBundleConsumerDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
