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

Computes the rotation angles to align a forward direction vector to a direction vector formed by  starting at 'start' and
pointing at 'target'. The forward vector is the 'default' orientation of  the asset being rotated, usually +X or +Z
"""

import numpy

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



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

    Class Members:
        node: Node being evaluated

    Attribute Value Properties:
        Inputs:
            inputs.forward
            inputs.start
            inputs.target
            inputs.up
        Outputs:
            outputs.orientation
            outputs.rotateXYZ
    """

    # 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:forward', 'double3', 0, None, 'The direction vector to be aligned with the look vector', {ogn.MetadataKeys.DEFAULT: '[0.0, 0.0, 1.0]'}, True, [0.0, 0.0, 1.0], False, ''),
        ('inputs:start', 'point3d', 0, None, 'The position to look from', {}, True, [0.0, 0.0, 0.0], False, ''),
        ('inputs:target', 'point3d', 0, None, 'The position to look at', {}, True, [0.0, 0.0, 0.0], False, ''),
        ('inputs:up', 'double3', 0, None, "The direction considered to be 'up'. If not specified scene-up will be used.", {}, False, None, False, ''),
        ('outputs:orientation', 'quatd', 0, None, 'The orientation quaternion equivalent to outputs:rotateXYZ', {}, True, None, False, ''),
        ('outputs:rotateXYZ', 'double3', 0, None, 'The rotation vector [X, Y, Z]', {}, 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.start = og.AttributeRole.POSITION
        role_data.inputs.target = og.AttributeRole.POSITION
        role_data.outputs.orientation = og.AttributeRole.QUATERNION
        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 forward(self):
            data_view = og.AttributeValueHelper(self._attributes.forward)
            return data_view.get()

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

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

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

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

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

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

        @up.setter
        def up(self, value):
            if self._setting_locked:
                raise og.ReadOnlyError(self._attributes.up)
            data_view = og.AttributeValueHelper(self._attributes.up)
            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 orientation(self):
            data_view = og.AttributeValueHelper(self._attributes.orientation)
            return data_view.get()

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

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

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