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

Executes the a loop body once for each element in the input array. The finished output is executed after all iterations are
complete
"""

from typing import Any
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 OgnForEachDatabase(og.Database):
    """Helper class providing simplified access to data on nodes of type omni.graph.action.ForEach

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.arrayIn
            inputs.execIn
        Outputs:
            outputs.arrayIndex
            outputs.element
            outputs.finished
            outputs.loopBody
    """

    # 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:arrayIn', 'bool[],colord[3][],colord[4][],colorf[3][],colorf[4][],colorh[3][],colorh[4][],double[2][],double[3][],double[4][],double[],float[2][],float[3][],float[4][],float[],frame[4][],half[2][],half[3][],half[4][],half[],int64[],int[2][],int[3][],int[4][],int[],matrixd[3][],matrixd[4][],normald[3][],normalf[3][],normalh[3][],pointd[3][],pointf[3][],pointh[3][],quatd[4][],quatf[4][],quath[4][],texcoordd[2][],texcoordd[3][],texcoordf[2][],texcoordf[3][],texcoordh[2][],texcoordh[3][],timecode[],token[],transform[4][],uchar[],uint64[],uint[],vectord[3][],vectorf[3][],vectorh[3][]', 1, 'Input Array', 'The array to loop over', {}, True, None, False, ''),
        ('inputs:execIn', 'execution', 0, None, 'Input execution', {}, True, None, False, ''),
        ('outputs:arrayIndex', 'int', 0, None, 'The current or last index visited', {}, True, None, False, ''),
        ('outputs:element', 'bool,colord[3],colord[4],colorf[3],colorf[4],colorh[3],colorh[4],double,double[2],double[3],double[4],float,float[2],float[3],float[4],frame[4],half,half[2],half[3],half[4],int,int64,int[2],int[3],int[4],matrixd[3],matrixd[4],normald[3],normalf[3],normalh[3],pointd[3],pointf[3],pointh[3],quatd[4],quatf[4],quath[4],texcoordd[2],texcoordd[3],texcoordf[2],texcoordf[3],texcoordh[2],texcoordh[3],timecode,token,transform[4],uchar,uint,uint64,vectord[3],vectorf[3],vectorh[3]', 1, None, 'The current or last element of the array visited', {}, True, None, False, ''),
        ('outputs:finished', 'execution', 0, None, 'Executed when the loop is finished', {}, True, None, False, ''),
        ('outputs:loopBody', 'execution', 0, None, 'Executed for each element of the 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.inputs.execIn = og.AttributeRole.EXECUTION
        role_data.outputs.finished = og.AttributeRole.EXECUTION
        role_data.outputs.loopBody = 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 arrayIn(self) -> og.RuntimeAttribute:
            """Get the runtime wrapper class for the attribute inputs.arrayIn"""
            return og.RuntimeAttribute(self._attributes.arrayIn.get_attribute_data(), self._context, True)

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

        @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)

        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 arrayIndex(self):
            data_view = og.AttributeValueHelper(self._attributes.arrayIndex)
            return data_view.get()

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

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

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

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

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

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

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

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