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

Changes the names of attributes from an input bundle for the corresponding output bundle. Attributes whose names are not
in the 'inputAttrNames' list will be copied from the input bundle to the output bundle without changing the name.
"""


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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.data
            inputs.inputAttrNames
            inputs.outputAttrNames
        Outputs:
            outputs.data
    """

    # 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:data', 'bundle', 0, 'Original Attribute Bundle', 'Collection of attributes to be renamed', {}, True, None, False, ''),
        ('inputs:inputAttrNames', 'token', 0, 'Attributes To Rename', 'Comma or space separated text, listing the names of attributes in the input data to be renamed', {ogn.MetadataKeys.DEFAULT: '""'}, True, "", False, ''),
        ('inputs:outputAttrNames', 'token', 0, 'New Attribute Names', 'Comma or space separated text, listing the new names for the attributes listed in inputAttrNames', {ogn.MetadataKeys.DEFAULT: '""'}, True, "", False, ''),
        ('outputs:data', 'bundle', 0, 'Bundle Of Renamed Attributes', 'Final bundle of attributes, with attributes renamed based on inputAttrNames and outputAttrNames', {}, 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.data = og.AttributeRole.BUNDLE
        role_data.outputs.data = 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 data(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute inputs.data"""
            return self.__bundles.data

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

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

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

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

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

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

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