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

Given a path to a prim on the current USD stage and the name of an attribute on  that prim, sets the value of that attribute.
 Does nothing if the given Prim or attribute can not be found.  If the attribute is found but it is not a compatible type,
an error will be issued.
"""

from typing import Any
import carb
import usdrt

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.execIn
            inputs.name
            inputs.prim
            inputs.primPath
            inputs.usdWriteBack
            inputs.usePath
            inputs.value
        Outputs:
            outputs.execOut
        State:
            state.correctlySetup
            state.destAttrib
            state.destPath
            state.destPathToken
    """

    # 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:execIn', 'execution', 0, None, 'Input execution state', {}, True, None, False, ''),
        ('inputs:name', 'token', 0, 'Attribute Name', 'The name of the attribute to set on the specified prim', {}, True, "", False, ''),
        ('inputs:prim', 'target', 0, None, "The prim to be modified when 'usePath' is false", {}, False, [], False, ''),
        ('inputs:primPath', 'token', 0, None, "The path of the prim to be modified when 'usePath' is true", {}, True, "", True, 'Use prim input with a GetPrimsAtPath node instead'),
        ('inputs:usdWriteBack', 'bool', 0, 'Persist To USD', 'Whether or not the value should be written back to USD, or kept a Fabric only value', {ogn.MetadataKeys.DEFAULT: 'true'}, True, True, False, ''),
        ('inputs:usePath', 'bool', 0, None, "When true, the 'primPath' attribute is used as the path to the prim being read, otherwise it will read the connection at the 'prim' attribute", {ogn.MetadataKeys.DEFAULT: 'false'}, True, False, True, 'Use prim input with a GetPrimsAtPath node instead'),
        ('inputs:value', 'any', 2, None, 'The new value to be written', {}, True, None, False, ''),
        ('outputs:execOut', 'execution', 0, None, 'Output execution', {}, True, None, False, ''),
        ('state:correctlySetup', 'bool', 0, None, 'Wheter or not the instance is properly setup', {ogn.MetadataKeys.DEFAULT: 'false'}, True, False, False, ''),
        ('state:destAttrib', 'uint64', 0, None, 'A TokenC to the destination attrib', {}, True, None, False, ''),
        ('state:destPath', 'uint64', 0, None, 'A PathC to the destination prim', {}, True, None, False, ''),
        ('state:destPathToken', 'uint64', 0, None, "The TokenC version of destPath'", {}, 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.execIn = og.AttributeRole.EXECUTION
        role_data.inputs.prim = og.AttributeRole.TARGET
        role_data.outputs.execOut = og.AttributeRole.EXECUTION
        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 execIn(self):
            data_view = og.AttributeValueHelper(self._attributes.execIn)
            return data_view.get()

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

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

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

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

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

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

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

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

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

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

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

        @property
        def value(self) -> og.RuntimeAttribute:
            """Get the runtime wrapper class for the attribute inputs.value"""
            return og.RuntimeAttribute(self._attributes.value.get_attribute_data(), self._context, True)

        @value.setter
        def value(self, value_to_set: Any):
            """Assign another attribute's value to outputs.value"""
            if isinstance(value_to_set, og.RuntimeAttribute):
                self.value.value = value_to_set.value
            else:
                self.value.value = value_to_set

        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._batchedWriteValues = { }

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

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

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

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

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

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

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

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

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

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

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