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

Converts the given input to a string equivalent.
"""

from typing import Any

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.value
        Outputs:
            outputs.converted
    """

    # 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:value', 'any', 2, 'value', 'The value to be converted to a string.\n\nNumeric values are converted using C++\'s std::ostringstream << operator. This can result in the values\nbeing converted to exponential form. E.g: 1.234e+06\nArrays of numeric values are converted to Python list syntax. E.g: [1.5, -0.03]\nA uchar value is converted to a single, unquoted character.\nAn array of uchar values is converted to an unquoted string. Avoid zero values (i.e. null chars) in the\narray as the behavior is undefined and may vary over time.\nA single token is converted to its unquoted string equivalent.\nAn array of tokens is converted to Python list syntax with each token enclosed in double quotes. E.g. ["first", "second"]', {}, True, None, False, ''),
        ('outputs:converted', 'string', 0, 'String', 'Output string', {}, 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.converted = og.AttributeRole.TEXT
        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 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.converted_size = None
            self._batchedWriteValues = { }

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

        @converted.setter
        def converted(self, value):
            data_view = og.AttributeValueHelper(self._attributes.converted)
            data_view.set(value)
            self.converted_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 = OgnToStringDatabase.ValuesForInputs(node, self.attributes.inputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_OUTPUT)
        self.outputs = OgnToStringDatabase.ValuesForOutputs(node, self.attributes.outputs, dynamic_attributes)
        dynamic_attributes = self.dynamic_attribute_data(node, og.AttributePortType.ATTRIBUTE_PORT_TYPE_STATE)
        self.state = OgnToStringDatabase.ValuesForState(node, self.attributes.state, dynamic_attributes)
