from .utils import runwareUtils as rwUtils


class referenceImages:
    """Reference Images node for providing reference images for identity consistency"""
    
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "Image 1": ("IMAGE", {
                    "tooltip": "Specifies Reference Image 1 that will be used as reference for the subject. These reference images help the AI to maintain identity consistency during the generation process."
                }),
            },
            "optional": {
                "Image 2": ("IMAGE", {
                    "tooltip": "Specifies Reference Image 2 that will be used as reference for the subject. These reference images help the AI to maintain identity consistency during the generation process."
                }),
                "Image 3": ("IMAGE", {
                    "tooltip": "Specifies Reference Image 3 that will be used as reference for the subject. These reference images help the AI to maintain identity consistency during the generation process."
                }),
                "Image 4": ("IMAGE", {
                    "tooltip": "Specifies Reference Image 4 that will be used as reference for the subject. These reference images help the AI to maintain identity consistency during the generation process."
                }),
            }
        }

    DESCRIPTION = "Used With Runware Tasks To Provide Reference Images For The Subject. These Reference Images Help The AI To Maintain Identity Consistency During The Generation Process."
    FUNCTION = "referenceImages"
    RETURN_TYPES = ("RUNWAREREFERENCEIMAGES",)
    RETURN_NAMES = ("Reference Images",)
    CATEGORY = "Runware"

    def referenceImages(self, **kwargs):
        """Collect and convert reference images to list"""
        image1 = kwargs.get("Image 1")
        image2 = kwargs.get("Image 2", None)
        image3 = kwargs.get("Image 3", None)
        image4 = kwargs.get("Image 4", None)

        imageList = [rwUtils.convertTensor2IMG(image1)]
        
        optionalImages = [image2, image3, image4]
        for image in optionalImages:
            if image is not None:
                imageList.append(rwUtils.convertTensor2IMG(image))

        return (imageList,)