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

This is a tutorial node. It exercises functionality for the manipulation of bundle attribute contents. The configuration
is the same as omni.graph.tutorials.BundleManipulation except that the implementation language is Python
"""

import carb
import numpy
import sys
import traceback

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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.filteredBundle
            inputs.filters
            inputs.fullBundle
        Outputs:
            outputs.combinedBundle
    """

    # 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:filteredBundle', 'bundle', 0, 'Filtered Bundle', 'Bundle whose contents are filtered before being added to the output', {}, True, None, False, ''),
        ('inputs:filters', 'token[]', 0, None, "List of filter names to be applied to the filteredBundle. Any filter name\nappearing in this list will be applied to members of that bundle and only those\npassing all filters will be added to the output bundle. Legal filter values are\n'big' (arrays of size > 10), 'x' (attributes whose name contains the letter x), \nand 'int' (attributes whose base type is integer).", {ogn.MetadataKeys.DEFAULT: '[]'}, True, [], False, ''),
        ('inputs:fullBundle', 'bundle', 0, 'Full Bundle', 'Bundle whose contents are passed to the output in their entirety', {}, True, None, False, ''),
        ('outputs:combinedBundle', 'bundle', 0, None, 'This is the union of fullBundle and filtered members of the filteredBundle.', {}, 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.filteredBundle = og.AttributeRole.BUNDLE
        role_data.inputs.fullBundle = og.AttributeRole.BUNDLE
        role_data.outputs.combinedBundle = 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 filteredBundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute inputs.filteredBundle"""
            return self.__bundles.filteredBundle

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

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

        @property
        def fullBundle(self) -> og.BundleContents:
            """Get the bundle wrapper class for the attribute inputs.fullBundle"""
            return self.__bundles.fullBundle

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

        @combinedBundle.setter
        def combinedBundle(self, bundle: og.BundleContents):
            """Overwrite the bundle attribute outputs.combinedBundle 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.combinedBundle.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 = OgnTutorialBundlesPyDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnTutorialBundlesPyDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnTutorialBundlesPyDatabase.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(OgnTutorialBundlesPyDatabase.NODE_TYPE_CLASS, 'get_node_type', None)
            if callable(get_node_type_function):
                return get_node_type_function()
            return 'omni.graph.tutorials.BundleManipulationPy'

        @staticmethod
        def compute(context, node):
            def database_valid():
                if not db.inputs.filteredBundle.valid:
                    db.log_warning('Required bundle inputs.filteredBundle is invalid or not connected, compute skipped')
                    return False
                if not db.inputs.fullBundle.valid:
                    db.log_warning('Required bundle inputs.fullBundle is invalid or not connected, compute skipped')
                    return False
                if not db.outputs.combinedBundle.valid:
                    db.log_error('Required bundle outputs.combinedBundle is invalid, compute skipped')
                    return False
                return True
            try:
                per_node_data = OgnTutorialBundlesPyDatabase.PER_NODE_DATA[node.node_id()]
                db = per_node_data.get('_db')
                if db is None:
                    db = OgnTutorialBundlesPyDatabase(node)
                    per_node_data['_db'] = db
                if not database_valid():
                    per_node_data['_db'] = None
                    return False
            except:
                db = OgnTutorialBundlesPyDatabase(node)

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

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

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

        @staticmethod
        def update_node_version(context, node, old_version, new_version):
            update_node_version_function = getattr(OgnTutorialBundlesPyDatabase.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(OgnTutorialBundlesPyDatabase.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: Bundle Manipulation")
                node_type.set_metadata(ogn.MetadataKeys.CATEGORIES, "tutorials")
                node_type.set_metadata(ogn.MetadataKeys.DESCRIPTION, "This is a tutorial node. It exercises functionality for the manipulation of bundle attribute contents. The configuration is the same as omni.graph.tutorials.BundleManipulation except that the implementation language is Python")
                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.BundleManipulationPy.svg"
                node_type.set_metadata(ogn.MetadataKeys.ICON_PATH, icon_path)
                OgnTutorialBundlesPyDatabase.INTERFACE.add_to_node_type(node_type)

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

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