import folder_paths

from nodes import LoraLoader


class LoraRangeLoaderModelOnly(LoraLoader):
    @classmethod
    def INPUT_TYPES(cls):
        loras = folder_paths.get_filename_list("loras")
        return {
            "required": {
                "model": ("MODEL", {"tooltip": "The diffusion model the LoRA will be applied to."}),
                "first": (loras, {"tooltip": "First LoRA in the allowed filename range."}),
                "last": (loras, {"tooltip": "Last LoRA in the allowed filename range."}),
                "current": (loras, {"tooltip": "The LoRA that will be loaded for the current run."}),
                "mode": (
                    ["fixed", "increment", "decrement", "random"],
                    {"default": "fixed", "tooltip": "How current should change after a run is queued."},
                ),
                "strength_model": (
                    "FLOAT",
                    {
                        "default": 1.0,
                        "min": -100.0,
                        "max": 100.0,
                        "step": 0.01,
                        "tooltip": "How strongly to modify the diffusion model. This value can be negative.",
                    },
                ),
            }
        }

    RETURN_TYPES = ("MODEL",)
    OUTPUT_TOOLTIPS = ("The modified diffusion model.",)
    FUNCTION = "load_lora_model_only"
    CATEGORY = "loaders"
    DESCRIPTION = "Loads the current LoRA like Load LoRA (Model Only) and lets the frontend advance through a filename range after each queued run."
    SEARCH_ALIASES = ["lora range", "lora sweep", "load lora range", "checkpoint training lora"]

    def load_lora_model_only(self, model, first, last, current, mode, strength_model):
        del first
        del last
        del mode
        return (self.load_lora(model, None, current, strength_model, 0)[0],)


NODE_CLASS_MAPPINGS = {
    "LoraRangeLoaderModelOnly": LoraRangeLoaderModelOnly,
}

NODE_DISPLAY_NAME_MAPPINGS = {
    "LoraRangeLoaderModelOnly": "Load LoRA Range (Model Only)",
}

WEB_DIRECTORY = "./web"

__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]