import os
import json
import folder_paths
from PIL import Image
from comfy.cli_args import args
from PIL.PngImagePlugin import PngInfo

class FramerComfySaveImageNode:
    def __init__(self):
        self.output_dir = folder_paths.get_output_directory()
        self.type = "output"
        self.prefix_append = ""
        self.compress_level = 4

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "images": ("IMAGE",),
                 "filename_prefix": ("STRING", {"default": "ComfyUI"}),
                "output_name": (
                    "STRING",
                    {"default": "output_input"},
                ),
            },
            "hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
        }

    RETURN_TYPES = ()
    FUNCTION = "save_images"

    OUTPUT_NODE = True

    CATEGORY = "FramerComfy"


    def save_images(
        self, images, output_name, filename_prefix="ComfyUI", prompt=None, extra_pnginfo=None
    ):
        import numpy as np

        if not output_name:
            raise ValueError("Output name is required")

        filename_prefix += self.prefix_append
        (
            full_output_folder,
            filename,
            counter,
            subfolder,
            filename_prefix,
        ) = folder_paths.get_save_image_path(
            filename_prefix, self.output_dir, images[0].shape[1], images[0].shape[0]
        )
        results = list()
        for batch_number, image in enumerate(images):
            i = 255.0 * image.cpu().numpy()
            img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
            metadata = None
            if not args.disable_metadata:
                metadata = PngInfo()
                if prompt is not None:
                    metadata.add_text("prompt", json.dumps(prompt))
                if extra_pnginfo is not None:
                    for x in extra_pnginfo:
                        metadata.add_text(x, json.dumps(extra_pnginfo[x]))

            filename_with_batch_num = filename.replace("%batch_num%", str(batch_number))
            file = f"{filename_with_batch_num}_{counter:05}_.png"
            img.save(
                os.path.join(full_output_folder, file),
                pnginfo=metadata,
                compress_level=self.compress_level,
            )
            results.append(
                {"filename": file, "subfolder": subfolder, "type": self.type}
            )
            counter += 1

        return {"ui": {"images": results}}