from inspect import cleandoc
from comfy.comfy_types.node_typing import IO
from comfy_api_nodes.apis.recraft_api import (
    RecraftImageGenerationRequest,
    RecraftImageGenerationResponse,
    RecraftImageSize,
    RecraftModel,
    RecraftStyle,
    RecraftStyleV3,
    RecraftIO,
    get_v3_substyles,
)
from comfy_api_nodes.apis.client import (
    ApiEndpoint,
    HttpMethod,
    SynchronousOperation,
)
from comfy_api_nodes.nodes_api import (
    bytesio_to_image_tensor,
    download_url_to_bytesio,
)

import torch


class RecraftStyleV3RealisticImageNode:
    """
    Select realistic_image style and optional substyle.
    """

    RETURN_TYPES = (RecraftIO.STYLEV3,)
    RETURN_NAMES = ("recraft_style",)
    FUNCTION = "create_style"
    CATEGORY = "api node/image/Recraft"

    RECRAFT_STYLE = RecraftStyleV3.realistic_image

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "substyle": (get_v3_substyles(s.RECRAFT_STYLE),),
            }
        }

    def create_style(self, substyle: str):
        if substyle == "None":
            substyle = None
        return (RecraftStyle(self.RECRAFT_STYLE, substyle),)


class RecraftStyleV3DigitalIllustrationNode(RecraftStyleV3RealisticImageNode):
    """
    Select digital_illustration style and optional substyle.
    """

    RECRAFT_STYLE = RecraftStyleV3.digital_illustration


class RecraftStyleV3VectorIllustrationNode(RecraftStyleV3RealisticImageNode):
    """
    Select vector_illustration style and optional substyle.
    """

    RECRAFT_STYLE = RecraftStyleV3.vector_illustration


class RecraftStyleV3LogoRasterNode(RecraftStyleV3RealisticImageNode):
    """
    Select vector_illustration style and optional substyle.
    """

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "substyle": (get_v3_substyles(s.RECRAFT_STYLE, include_none=False),),
            }
        }

    RECRAFT_STYLE = RecraftStyleV3.logo_raster


class RecraftTextToImageNode:
    """
    Generates images synchronously based on prompt and resolution.
    """

    RETURN_TYPES = (IO.IMAGE,)
    DESCRIPTION = cleandoc(__doc__ or "")  # Handle potential None value
    FUNCTION = "api_call"
    API_NODE = True
    CATEGORY = "api node/image/Recraft"

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "prompt": (
                    IO.STRING,
                    {
                        "multiline": True,
                        "default": "",
                        "tooltip": "Prompt for the image generation.",
                    },
                ),
                "size": (
                    [res.value for res in RecraftImageSize],
                    {
                        "default": RecraftImageSize.res_1024x1024,
                        "tooltip": "The size of the generated image.",
                    },
                ),
                "n": (
                    IO.INT,
                    {
                        "default": 1,
                        "min": 1,
                        "max": 6,
                        "tooltip": "The number of images to generate.",
                    },
                ),
                "seed": (
                    IO.INT,
                    {
                        "default": 0,
                        "min": 0,
                        "max": 0xFFFFFFFFFFFFFFFF,
                        "control_after_generate": True,
                        "tooltip": "Seed to determine if node should re-run; actual results are nondeterministic regardless of seed.",
                    },
                ),
            },
            "optional": {
                "recraft_style": (RecraftIO.STYLEV3,),
                "negative_prompt": (
                    IO.STRING,
                    {
                        "default": "",
                        "forceInput": True,
                        "tooltip": "An optional text description of undesired elements on an image.",
                    },
                ),
            },
            "hidden": {
                "auth_token": "AUTH_TOKEN_COMFY_ORG",
            },
        }

    def api_call(
        self,
        prompt: str,
        size: str,
        n: int,
        seed,
        recraft_style: RecraftStyle = None,
        negative_prompt: str = None,
        auth_token=None,
        **kwargs,
    ):
        default_style = RecraftStyle(RecraftStyleV3.digital_illustration)
        if recraft_style is None:
            recraft_style = default_style

        if not negative_prompt:
            negative_prompt = None

        operation = SynchronousOperation(
            endpoint=ApiEndpoint(
                path="/proxy/recraft/image_generation",
                method=HttpMethod.POST,
                request_model=RecraftImageGenerationRequest,
                response_model=RecraftImageGenerationResponse,
            ),
            request=RecraftImageGenerationRequest(
                prompt=prompt,
                negative_prompts=negative_prompt,
                model=RecraftModel.recraftv3,
                size=size,
                n=n,
                style=recraft_style.style,
                substyle=recraft_style.substyle,
            ),
            auth_token=auth_token,
        )
        response: RecraftImageGenerationResponse = operation.execute()
        images = []
        for data in response.data:
            image = bytesio_to_image_tensor(
                download_url_to_bytesio(data.url, timeout=1024)
            )
            if len(image.shape) < 4:
                image = image.unsqueeze(0)
            images.append(image)
        output_image = torch.cat(images, dim=0)

        return (output_image,)


# A dictionary that contains all nodes you want to export with their names
# NOTE: names should be globally unique
NODE_CLASS_MAPPINGS = {
    "RecraftTextToImageNode": RecraftTextToImageNode,
    "RecraftStyleV3RealisticImage": RecraftStyleV3RealisticImageNode,
    "RecraftStyleV3DigitalIllustration": RecraftStyleV3DigitalIllustrationNode,
    "RecraftStyleV3LogoRaster": RecraftStyleV3LogoRasterNode,
    # "RecraftStyleV3VectorIllustration": RecraftStyleV3VectorIllustrationNode,
}

# A dictionary that contains the friendly/humanly readable titles for the nodes
NODE_DISPLAY_NAME_MAPPINGS = {
    "RecraftTextToImageNode": "Recraft Text to Image",
    "RecraftStyleV3RealisticImage": "Recraft Style - Realistic Image",
    "RecraftStyleV3DigitalIllustration": "Recraft Style - Digital Illustration",
    "RecraftStyleV3VectorIllustration": "Recraft Style - Vector Illustration",
    "RecraftStyleV3LogoRaster": "Recraft Style - Logo Raster",
}