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

This is a tutorial node written in Python. It will compute the point3f array by multiplying each element of the float array
by the three element vector in the multiplier.
"""

import carb
import numpy
import sys
import traceback

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.a_inputArray
            inputs.a_vectorMultiplier
        Outputs:
            outputs.a_productArray
            outputs.a_tokenArray
    """

    # 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_inputArray', 'float[]', 0, None, 'Input array', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('inputs:a_vectorMultiplier', 'float3', 0, None, 'Vector multiplier', {ogn.MetadataKeys.DEFAULT: '[1.0, 2.0, 3.0]'}, True, [1.0, 2.0, 3.0], False, ''),
        ('outputs:a_productArray', 'point3f[]', 0, None, 'Output array', {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('outputs:a_tokenArray', 'token[]', 0, None, 'String representations of the input array', {}, 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.a_productArray = og.AttributeRole.POSITION
        return role_data

    class ValuesForInputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = {"a_vectorMultiplier", "_setting_locked", "_batchedReadAttributes", "_batchedReadValues"}
        """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._attributes.a_vectorMultiplier]
            self._batchedReadValues = [[1.0, 2.0, 3.0]]

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

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

        @property
        def a_vectorMultiplier(self):
            return self._batchedReadValues[0]

        @a_vectorMultiplier.setter
        def a_vectorMultiplier(self, value):
            self._batchedReadValues[0] = value

        def __getattr__(self, item: str):
            if item in self.LOCAL_PROPERTY_NAMES:
                return object.__getattribute__(self, item)
            else:
                return super().__getattr__(item)

        def __setattr__(self, item: str, new_value):
            if item in self.LOCAL_PROPERTY_NAMES:
                object.__setattr__(self, item, new_value)
            else:
                super().__setattr__(item, new_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.a_productArray_size = 0
            self.a_tokenArray_size = None
            self._batchedWriteValues = { }

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

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

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

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

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

    class abi:
        """Class defining the ABI interface for the node type"""

        @staticmethod
        def get_node_type():
            get_node_type_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'get_node_type', None)
            if callable(get_node_type_function):
                return get_node_type_function()
            return 'omni.graph.tutorials.ComplexDataPy'

        @staticmethod
        def compute(context, node):
            def database_valid():
                return True
            try:
                per_node_data = OgnTutorialComplexDataPyDatabase.PER_NODE_DATA[node.node_id()]
                db = per_node_data.get('_db')
                if db is None:
                    db = OgnTutorialComplexDataPyDatabase(node)
                    per_node_data['_db'] = db
                if not database_valid():
                    per_node_data['_db'] = None
                    return False
            except:
                db = OgnTutorialComplexDataPyDatabase(node)

            try:
                compute_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'compute', None)
                if callable(compute_function) and compute_function.__code__.co_argcount > 1:
                    return compute_function(context, node)

                db.inputs._prefetch()
                db.inputs._setting_locked = True
                with og.in_compute():
                    return OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS.compute(db)
            except Exception as error:
                stack_trace = "".join(traceback.format_tb(sys.exc_info()[2].tb_next))
                db.log_error(f'Assertion raised in compute - {error}\n{stack_trace}', add_context=False)
            finally:
                db.inputs._setting_locked = False
                db.outputs._commit()
            return False

        @staticmethod
        def initialize(context, node):
            OgnTutorialComplexDataPyDatabase._initialize_per_node_data(node)
            initialize_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'initialize', None)
            if callable(initialize_function):
                initialize_function(context, node)

            per_node_data = OgnTutorialComplexDataPyDatabase.PER_NODE_DATA[node.node_id()]
            def on_connection_or_disconnection(*args):
                per_node_data['_db'] = None

            node.register_on_connected_callback(on_connection_or_disconnection)
            node.register_on_disconnected_callback(on_connection_or_disconnection)

        @staticmethod
        def release(node):
            release_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'release', None)
            if callable(release_function):
                release_function(node)
            OgnTutorialComplexDataPyDatabase._release_per_node_data(node)

        @staticmethod
        def release_instance(node, target):
            OgnTutorialComplexDataPyDatabase._release_per_node_instance_data(node, target)

        @staticmethod
        def update_node_version(context, node, old_version, new_version):
            update_node_version_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'update_node_version', None)
            if callable(update_node_version_function):
                return update_node_version_function(context, node, old_version, new_version)
            return False

        @staticmethod
        def initialize_type(node_type):
            initialize_type_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'initialize_type', None)
            needs_initializing = True
            if callable(initialize_type_function):
                needs_initializing = initialize_type_function(node_type)
            if needs_initializing:
                node_type.set_metadata(ogn.MetadataKeys.EXTENSION, "omni.graph.tutorials")
                node_type.set_metadata(ogn.MetadataKeys.UI_NAME, "Tutorial Python Node: Attributes With Arrays of Tuples")
                node_type.set_metadata(ogn.MetadataKeys.CATEGORIES, "tutorials")
                node_type.set_metadata(ogn.MetadataKeys.DESCRIPTION, "This is a tutorial node written in Python. It will compute the point3f array by multiplying each element of the float array by the three element vector in the multiplier.")
                node_type.set_metadata(ogn.MetadataKeys.LANGUAGE, "Python")
                icon_path = carb.tokens.get_tokens_interface().resolve("${omni.graph.tutorials}")
                icon_path = icon_path + '/' + "ogn/icons/omni.graph.tutorials.ComplexDataPy.svg"
                node_type.set_metadata(ogn.MetadataKeys.ICON_PATH, icon_path)
                OgnTutorialComplexDataPyDatabase.INTERFACE.add_to_node_type(node_type)

        @staticmethod
        def on_connection_type_resolve(node):
            on_connection_type_resolve_function = getattr(OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS, 'on_connection_type_resolve', None)
            if callable(on_connection_type_resolve_function):
                on_connection_type_resolve_function(node)

    NODE_TYPE_CLASS = None

    @staticmethod
    def register(node_type_class):
        OgnTutorialComplexDataPyDatabase.NODE_TYPE_CLASS = node_type_class
        og.register_node_type(OgnTutorialComplexDataPyDatabase.abi, 1)

    @staticmethod
    def deregister():
        og.deregister_node_type("omni.graph.tutorials.ComplexDataPy")
