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

This is a tutorial node. It exercises functionality for adding and removing attributes on output bundles.
"""

import carb
import numpy

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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.addedAttributeNames
            inputs.removedAttributeNames
            inputs.typesToAdd
            inputs.useBatchedAPI
        Outputs:
            outputs.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:addedAttributeNames', 'token[]', 0, None, "Names for the attribute types to be added. The size of this array must match the size\nof the 'typesToAdd' array to be legal.", {}, True, [], False, ''),
        ('inputs:removedAttributeNames', 'token[]', 0, None, 'Names for the attribute types to be removed. Non-existent attributes will be ignored.', {}, True, [], False, ''),
        ('inputs:typesToAdd', 'token[]', 0, 'Attribute Types To Add', 'List of type descriptions to add to the bundle. The strings in this list correspond to the\nstrings that represent the attribute types in the .ogn file (e.g. float[3][], colord[3], bool', {}, True, [], False, ''),
        ('inputs:useBatchedAPI', 'bool', 0, None, 'Controls whether or not to used batched APIS for adding/removing attributes', {}, True, False, False, ''),
        ('outputs:bundle', 'bundle', 0, 'Constructed Bundle', 'This is the bundle with all attributes added by compute.', {}, 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.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._batchedReadAttributes = []
            self._batchedReadValues = []

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

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

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

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

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

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

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

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

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