class LumaConceptsNode(ComfyNodeABC):
    """
    Holds one or more Camera Concepts for use with Luma Text to Video and Luma Image to Video nodes.
    """
    RETURN_TYPES = (LumaIO.LUMA_CONCEPTS,)
    RETURN_NAMES = ("luma_concepts",)
    DESCRIPTION = cleandoc(__doc__ or "")  # Handle potential None value
    FUNCTION = "create_concepts"
    CATEGORY = "api node/image/Luma"
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "concept1": (get_luma_concepts(include_none=True),),
                "concept2": (get_luma_concepts(include_none=True),),
                "concept3": (get_luma_concepts(include_none=True),),
                "concept4": (get_luma_concepts(include_none=True),),
            },
            "optional": {
                "luma_concepts": (
                    LumaIO.LUMA_CONCEPTS,
                    {
                        "tooltip": "Optional Camera Concepts to add to the ones chosen here."
                    },
                ),
            },
        }
    def create_concepts(
        self,
        concept1: str,
        concept2: str,
        concept3: str,
        concept4: str,
        luma_concepts: LumaConceptChain = None,
    ):
        chain = LumaConceptChain(str_list=[concept1, concept2, concept3, concept4])
        if luma_concepts is not None:
            chain = luma_concepts.clone_and_merge(chain)
        return (chain,)