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

Test node that exercises various memory locations for dynamic attributes. Add a dynamic input attribute named 'array' with
type 'int[]' and a dynamic output attribute named 'array' with type 'int[]' to exercise the node. The inputs array will be
copied to the output array using the requested memory space.
"""

import carb
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 OgnTestDynamicAttributeMemoryDatabase(og.Database):
    """Helper class providing simplified access to data on nodes of type omni.graph.test.TestDynamicAttributeMemory

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.gpuPtrsOnGpu
            inputs.onGpu
        Outputs:
            outputs.inputMemoryVerified
            outputs.outputMemoryVerified
    """

    # 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:gpuPtrsOnGpu', 'bool', 0, None, 'Set to True if the pointers to GPU array memory should also be on the GPU', {}, True, False, False, ''),
        ('inputs:onGpu', 'bool', 0, None, 'Set to True if the dynamic attribute memory should come from the GPU', {}, True, False, False, ''),
        ('outputs:inputMemoryVerified', 'bool', 0, None, 'True if the memory locations of the input dynamic attribute matched the locations requested\nby the input attribute values.', {}, True, None, False, ''),
        ('outputs:outputMemoryVerified', 'bool', 0, None, 'True if the memory locations of the output dynamic attribute matched the locations requested\nby the input attribute values.', {}, True, None, False, ''),
    ])

    class ValuesForInputs(og.DynamicAttributeAccess):
        LOCAL_PROPERTY_NAMES = {"gpuPtrsOnGpu", "onGpu", "_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.gpuPtrsOnGpu, self._attributes.onGpu]
            self._batchedReadValues = [False, False]

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

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

        @property
        def onGpu(self):
            return self._batchedReadValues[1]

        @onGpu.setter
        def onGpu(self, value):
            self._batchedReadValues[1] = 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 = {"inputMemoryVerified", "outputMemoryVerified", "_batchedWriteValues"}
        """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._batchedWriteValues = { }

        @property
        def inputMemoryVerified(self):
            value = self._batchedWriteValues.get(self._attributes.inputMemoryVerified)
            if value:
                return value
            else:
                data_view = og.AttributeValueHelper(self._attributes.inputMemoryVerified)
                return data_view.get()

        @inputMemoryVerified.setter
        def inputMemoryVerified(self, value):
            self._batchedWriteValues[self._attributes.inputMemoryVerified] = value

        @property
        def outputMemoryVerified(self):
            value = self._batchedWriteValues.get(self._attributes.outputMemoryVerified)
            if value:
                return value
            else:
                data_view = og.AttributeValueHelper(self._attributes.outputMemoryVerified)
                return data_view.get()

        @outputMemoryVerified.setter
        def outputMemoryVerified(self, value):
            self._batchedWriteValues[self._attributes.outputMemoryVerified] = 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 _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 = OgnTestDynamicAttributeMemoryDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnTestDynamicAttributeMemoryDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnTestDynamicAttributeMemoryDatabase.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(OgnTestDynamicAttributeMemoryDatabase.NODE_TYPE_CLASS, 'get_node_type', None)
            if callable(get_node_type_function):
                return get_node_type_function()
            return 'omni.graph.test.TestDynamicAttributeMemory'

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

            try:
                compute_function = getattr(OgnTestDynamicAttributeMemoryDatabase.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 OgnTestDynamicAttributeMemoryDatabase.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):
            OgnTestDynamicAttributeMemoryDatabase._initialize_per_node_data(node)
            initialize_function = getattr(OgnTestDynamicAttributeMemoryDatabase.NODE_TYPE_CLASS, 'initialize', None)
            if callable(initialize_function):
                initialize_function(context, node)

            per_node_data = OgnTestDynamicAttributeMemoryDatabase.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(OgnTestDynamicAttributeMemoryDatabase.NODE_TYPE_CLASS, 'release', None)
            if callable(release_function):
                release_function(node)
            OgnTestDynamicAttributeMemoryDatabase._release_per_node_data(node)

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

        @staticmethod
        def update_node_version(context, node, old_version, new_version):
            update_node_version_function = getattr(OgnTestDynamicAttributeMemoryDatabase.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(OgnTestDynamicAttributeMemoryDatabase.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.test")
                node_type.set_metadata(ogn.MetadataKeys.CATEGORIES, "internal:test")
                node_type.set_metadata(ogn.MetadataKeys.DESCRIPTION, "Test node that exercises various memory locations for dynamic attributes. Add a dynamic input attribute named 'array' with type 'int[]' and a dynamic output attribute named 'array' with type 'int[]' to exercise the node. The inputs array will be copied to the output array using the requested memory space.")
                node_type.set_metadata(ogn.MetadataKeys.EXCLUSIONS, "tests,usd,docs")
                node_type.set_metadata(ogn.MetadataKeys.LANGUAGE, "Python")
                icon_path = carb.tokens.get_tokens_interface().resolve("${omni.graph.test}")
                icon_path = icon_path + '/' + "ogn/icons/omni.graph.test.TestDynamicAttributeMemory.svg"
                node_type.set_metadata(ogn.MetadataKeys.ICON_PATH, icon_path)
                OgnTestDynamicAttributeMemoryDatabase.INTERFACE.add_to_node_type(node_type)

        @staticmethod
        def on_connection_type_resolve(node):
            on_connection_type_resolve_function = getattr(OgnTestDynamicAttributeMemoryDatabase.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):
        OgnTestDynamicAttributeMemoryDatabase.NODE_TYPE_CLASS = node_type_class
        og.register_node_type(OgnTestDynamicAttributeMemoryDatabase.abi, 1)

    @staticmethod
    def deregister():
        og.deregister_node_type("omni.graph.test.TestDynamicAttributeMemory")
