import torch
import torch.nn.functional as F
import matplotlib.pyplot as plt
import numpy as np
from PIL import Image

import json, re, os, io, time

import model_management
import folder_paths
from nodes import MAX_RESOLUTION
from comfy.utils import common_upscale, ProgressBar

script_directory = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
folder_paths.add_model_folder_path("kjnodes_fonts", os.path.join(script_directory, "fonts"))

class AnyType(str):
  """A special class that is always equal in not equal comparisons. Credit to pythongosssss"""

  def __ne__(self, __value: object) -> bool:
    return False
any = AnyType("*")

class INTConstant:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {
            "value": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
        },
        }
    RETURN_TYPES = ("INT",)
    RETURN_NAMES = ("value",)
    FUNCTION = "get_value"
    CATEGORY = "KJNodes/constants"

    def get_value(self, value):
        return (value,)

class FloatConstant:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {
            "value": ("FLOAT", {"default": 0.0, "min": -0xffffffffffffffff, "max": 0xffffffffffffffff, "step": 0.001}),
        },
        }

    RETURN_TYPES = ("FLOAT",)
    RETURN_NAMES = ("value",)
    FUNCTION = "get_value"
    CATEGORY = "KJNodes/constants"

    def get_value(self, value):
        return (value,)

class StringConstant:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "string": ("STRING", {"default": '', "multiline": False}),
            }
        }
    RETURN_TYPES = ("STRING",)
    FUNCTION = "passtring"
    CATEGORY = "KJNodes/constants"

    def passtring(self, string):
        return (string, )

class StringConstantMultiline:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "string": ("STRING", {"default": "", "multiline": True}),
                "strip_newlines": ("BOOLEAN", {"default": True}),
            }
        }
    RETURN_TYPES = ("STRING",)
    FUNCTION = "stringify"
    CATEGORY = "KJNodes/constants"

    def stringify(self, string, strip_newlines):
        new_string = []
        for line in io.StringIO(string):
            if not line.strip().startswith("\n") and strip_newlines:
                line = line.replace("\n", '')
            new_string.append(line)
        new_string = "\n".join(new_string)

        return (new_string, )


    
class ScaleBatchPromptSchedule:
    
    RETURN_TYPES = ("STRING",)
    FUNCTION = "scaleschedule"
    CATEGORY = "KJNodes"
    DESCRIPTION = """
Scales a batch schedule from Fizz' nodes BatchPromptSchedule
to a different frame count.
"""

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                 "input_str": ("STRING", {"forceInput": True,"default": "0:(0.0),\n7:(1.0),\n15:(0.0)\n"}),
                 "old_frame_count": ("INT", {"forceInput": True,"default": 1,"min": 1, "max": 4096, "step": 1}),
                 "new_frame_count": ("INT", {"forceInput": True,"default": 1,"min": 1, "max": 4096, "step": 1}),
                
        },
    } 
    
    def scaleschedule(self, old_frame_count, input_str, new_frame_count):
        pattern = r'"(\d+)"\s*:\s*"(.*?)"(?:,|\Z)'
        frame_strings = dict(re.findall(pattern, input_str))
        
        # Calculate the scaling factor
        scaling_factor = (new_frame_count - 1) / (old_frame_count - 1)
        
        # Initialize a dictionary to store the new frame numbers and strings
        new_frame_strings = {}
        
        # Iterate over the frame numbers and strings
        for old_frame, string in frame_strings.items():
            # Calculate the new frame number
            new_frame = int(round(int(old_frame) * scaling_factor))
            
            # Store the new frame number and corresponding string
            new_frame_strings[new_frame] = string
        
        # Format the output string
        output_str = ', '.join([f'"{k}":"{v}"' for k, v in sorted(new_frame_strings.items())])
        return (output_str,)


class GetLatentsFromBatchIndexed:
    
    RETURN_TYPES = ("LATENT",)
    FUNCTION = "indexedlatentsfrombatch"
    CATEGORY = "KJNodes"
    DESCRIPTION = """
Selects and returns the latents at the specified indices as an latent batch.
"""

    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                 "latents": ("LATENT",),
                 "indexes": ("STRING", {"default": "0, 1, 2", "multiline": True}),
        },
    } 
    
    def indexedlatentsfrombatch(self, latents, indexes):
        
        samples = latents.copy()
        latent_samples = samples["samples"] 

        # Parse the indexes string into a list of integers
        index_list = [int(index.strip()) for index in indexes.split(',')]
        
        # Convert list of indices to a PyTorch tensor
        indices_tensor = torch.tensor(index_list, dtype=torch.long)
        
        # Select the latents at the specified indices
        chosen_latents = latent_samples[indices_tensor]

        samples["samples"] = chosen_latents
        return (samples,)
    

class ConditioningMultiCombine:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "inputcount": ("INT", {"default": 2, "min": 2, "max": 20, "step": 1}),
                "conditioning_1": ("CONDITIONING", ),
                "conditioning_2": ("CONDITIONING", ),
            },
    }

    RETURN_TYPES = ("CONDITIONING", "INT")
    RETURN_NAMES = ("combined", "inputcount")
    FUNCTION = "combine"
    CATEGORY = "KJNodes/masking/conditioning"
    DESCRIPTION = """
Combines multiple conditioning nodes into one
"""

    def combine(self, inputcount, **kwargs):
        from nodes import ConditioningCombine
        cond_combine_node = ConditioningCombine()
        cond = kwargs["conditioning_1"]
        for c in range(1, inputcount):
            new_cond = kwargs[f"conditioning_{c + 1}"]
            cond = cond_combine_node.combine(new_cond, cond)[0]
        return (cond, inputcount,)


class JoinStrings:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "string1": ("STRING", {"default": '', "forceInput": True}),
                "string2": ("STRING", {"default": '', "forceInput": True}),
                "delimiter": ("STRING", {"default": ' ', "multiline": False}),
            }
        }
    RETURN_TYPES = ("STRING",)
    FUNCTION = "joinstring"
    CATEGORY = "KJNodes/constants"

    def joinstring(self, string1, string2, delimiter):
        joined_string = string1 + delimiter + string2
        return (joined_string, )
    
class JoinStringMulti:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "inputcount": ("INT", {"default": 2, "min": 2, "max": 1000, "step": 1}),
                "string_1": ("STRING", {"default": '', "forceInput": True}),
                "string_2": ("STRING", {"default": '', "forceInput": True}),
                "delimiter": ("STRING", {"default": ' ', "multiline": False}),
                "return_list": ("BOOLEAN", {"default": False}),
            },
    }

    RETURN_TYPES = ("STRING",)
    RETURN_NAMES = ("string",)
    FUNCTION = "combine"
    CATEGORY = "KJNodes"
    DESCRIPTION = """
Creates single string, or a list of strings, from  
multiple input strings.  
You can set how many inputs the node has,  
with the **inputcount** and clicking update.
"""

    def combine(self, inputcount, delimiter, **kwargs):
        string = kwargs["string_1"]
        return_list = kwargs["return_list"]
        strings = [string] # Initialize a list with the first string
        for c in range(1, inputcount):
            new_string = kwargs[f"string_{c + 1}"]
            if return_list:
                strings.append(new_string) # Add new string to the list
            else:
                string = string + delimiter + new_string
        if return_list:
            return (strings,) # Return the list of strings
        else:
            return (string,) # Return the combined string

class CondPassThrough:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "positive": ("CONDITIONING", ),
                "negative": ("CONDITIONING", ),
            }, 
    }

    RETURN_TYPES = ("CONDITIONING", "CONDITIONING",)
    RETURN_NAMES = ("positive", "negative")
    FUNCTION = "passthrough"
    CATEGORY = "KJNodes/misc"
    DESCRIPTION = """
    Simply passes through the positive and negative conditioning,
    workaround for Set node not allowing bypassed inputs.
"""

    def passthrough(self, positive, negative):
        return (positive, negative,)

class ModelPassThrough:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "model": ("MODEL", ),
            }, 
    }

    RETURN_TYPES = ("MODEL", )
    RETURN_NAMES = ("model",)
    FUNCTION = "passthrough"
    CATEGORY = "KJNodes/misc"
    DESCRIPTION = """
    Simply passes through the model,
    workaround for Set node not allowing bypassed inputs.
"""

    def passthrough(self, model):
        return (model,)

def append_helper(t, mask, c, set_area_to_bounds, strength):
        n = [t[0], t[1].copy()]
        _, h, w = mask.shape
        n[1]['mask'] = mask
        n[1]['set_area_to_bounds'] = set_area_to_bounds
        n[1]['mask_strength'] = strength
        c.append(n)  

class ConditioningSetMaskAndCombine:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "positive_1": ("CONDITIONING", ),
                "negative_1": ("CONDITIONING", ),
                "positive_2": ("CONDITIONING", ),
                "negative_2": ("CONDITIONING", ),
                "mask_1": ("MASK", ),
                "mask_2": ("MASK", ),
                "mask_1_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_2_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "set_cond_area": (["default", "mask bounds"],),
            }
        }

    RETURN_TYPES = ("CONDITIONING","CONDITIONING",)
    RETURN_NAMES = ("combined_positive", "combined_negative",)
    FUNCTION = "append"
    CATEGORY = "KJNodes/masking/conditioning"
    DESCRIPTION = """
Bundles multiple conditioning mask and combine nodes into one,functionality is identical to ComfyUI native nodes
"""

    def append(self, positive_1, negative_1, positive_2, negative_2, mask_1, mask_2, set_cond_area, mask_1_strength, mask_2_strength):
        c = []
        c2 = []
        set_area_to_bounds = False
        if set_cond_area != "default":
            set_area_to_bounds = True
        if len(mask_1.shape) < 3:
            mask_1 = mask_1.unsqueeze(0)
        if len(mask_2.shape) < 3:
            mask_2 = mask_2.unsqueeze(0)
        for t in positive_1:
            append_helper(t, mask_1, c, set_area_to_bounds, mask_1_strength)
        for t in positive_2:
            append_helper(t, mask_2, c, set_area_to_bounds, mask_2_strength)
        for t in negative_1:
            append_helper(t, mask_1, c2, set_area_to_bounds, mask_1_strength)
        for t in negative_2:
            append_helper(t, mask_2, c2, set_area_to_bounds, mask_2_strength)
        return (c, c2)

class ConditioningSetMaskAndCombine3:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "positive_1": ("CONDITIONING", ),
                "negative_1": ("CONDITIONING", ),
                "positive_2": ("CONDITIONING", ),
                "negative_2": ("CONDITIONING", ),
                "positive_3": ("CONDITIONING", ),
                "negative_3": ("CONDITIONING", ),
                "mask_1": ("MASK", ),
                "mask_2": ("MASK", ),
                "mask_3": ("MASK", ),
                "mask_1_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_2_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_3_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "set_cond_area": (["default", "mask bounds"],),
            }
        }

    RETURN_TYPES = ("CONDITIONING","CONDITIONING",)
    RETURN_NAMES = ("combined_positive", "combined_negative",)
    FUNCTION = "append"
    CATEGORY = "KJNodes/masking/conditioning"
    DESCRIPTION = """
Bundles multiple conditioning mask and combine nodes into one,functionality is identical to ComfyUI native nodes
"""

    def append(self, positive_1, negative_1, positive_2, positive_3, negative_2, negative_3, mask_1, mask_2, mask_3, set_cond_area, mask_1_strength, mask_2_strength, mask_3_strength):
        c = []
        c2 = []
        set_area_to_bounds = False
        if set_cond_area != "default":
            set_area_to_bounds = True
        if len(mask_1.shape) < 3:
            mask_1 = mask_1.unsqueeze(0)
        if len(mask_2.shape) < 3:
            mask_2 = mask_2.unsqueeze(0)
        if len(mask_3.shape) < 3:
            mask_3 = mask_3.unsqueeze(0)
        for t in positive_1:
            append_helper(t, mask_1, c, set_area_to_bounds, mask_1_strength)
        for t in positive_2:
            append_helper(t, mask_2, c, set_area_to_bounds, mask_2_strength)
        for t in positive_3:
            append_helper(t, mask_3, c, set_area_to_bounds, mask_3_strength)
        for t in negative_1:
            append_helper(t, mask_1, c2, set_area_to_bounds, mask_1_strength)
        for t in negative_2:
            append_helper(t, mask_2, c2, set_area_to_bounds, mask_2_strength)
        for t in negative_3:
            append_helper(t, mask_3, c2, set_area_to_bounds, mask_3_strength)
        return (c, c2)

class ConditioningSetMaskAndCombine4:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "positive_1": ("CONDITIONING", ),
                "negative_1": ("CONDITIONING", ),
                "positive_2": ("CONDITIONING", ),
                "negative_2": ("CONDITIONING", ),
                "positive_3": ("CONDITIONING", ),
                "negative_3": ("CONDITIONING", ),
                "positive_4": ("CONDITIONING", ),
                "negative_4": ("CONDITIONING", ),
                "mask_1": ("MASK", ),
                "mask_2": ("MASK", ),
                "mask_3": ("MASK", ),
                "mask_4": ("MASK", ),
                "mask_1_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_2_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_3_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_4_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "set_cond_area": (["default", "mask bounds"],),
            }
        }

    RETURN_TYPES = ("CONDITIONING","CONDITIONING",)
    RETURN_NAMES = ("combined_positive", "combined_negative",)
    FUNCTION = "append"
    CATEGORY = "KJNodes/masking/conditioning"
    DESCRIPTION = """
Bundles multiple conditioning mask and combine nodes into one,functionality is identical to ComfyUI native nodes
"""

    def append(self, positive_1, negative_1, positive_2, positive_3, positive_4, negative_2, negative_3, negative_4, mask_1, mask_2, mask_3, mask_4, set_cond_area, mask_1_strength, mask_2_strength, mask_3_strength, mask_4_strength):
        c = []
        c2 = []
        set_area_to_bounds = False
        if set_cond_area != "default":
            set_area_to_bounds = True
        if len(mask_1.shape) < 3:
            mask_1 = mask_1.unsqueeze(0)
        if len(mask_2.shape) < 3:
            mask_2 = mask_2.unsqueeze(0)
        if len(mask_3.shape) < 3:
            mask_3 = mask_3.unsqueeze(0)
        if len(mask_4.shape) < 3:
            mask_4 = mask_4.unsqueeze(0)
        for t in positive_1:
            append_helper(t, mask_1, c, set_area_to_bounds, mask_1_strength)
        for t in positive_2:
            append_helper(t, mask_2, c, set_area_to_bounds, mask_2_strength)
        for t in positive_3:
            append_helper(t, mask_3, c, set_area_to_bounds, mask_3_strength)
        for t in positive_4:
            append_helper(t, mask_4, c, set_area_to_bounds, mask_4_strength)
        for t in negative_1:
            append_helper(t, mask_1, c2, set_area_to_bounds, mask_1_strength)
        for t in negative_2:
            append_helper(t, mask_2, c2, set_area_to_bounds, mask_2_strength)
        for t in negative_3:
            append_helper(t, mask_3, c2, set_area_to_bounds, mask_3_strength)
        for t in negative_4:
            append_helper(t, mask_4, c2, set_area_to_bounds, mask_4_strength)
        return (c, c2)

class ConditioningSetMaskAndCombine5:
    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "positive_1": ("CONDITIONING", ),
                "negative_1": ("CONDITIONING", ),
                "positive_2": ("CONDITIONING", ),
                "negative_2": ("CONDITIONING", ),
                "positive_3": ("CONDITIONING", ),
                "negative_3": ("CONDITIONING", ),
                "positive_4": ("CONDITIONING", ),
                "negative_4": ("CONDITIONING", ),
                "positive_5": ("CONDITIONING", ),
                "negative_5": ("CONDITIONING", ),
                "mask_1": ("MASK", ),
                "mask_2": ("MASK", ),
                "mask_3": ("MASK", ),
                "mask_4": ("MASK", ),
                "mask_5": ("MASK", ),
                "mask_1_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_2_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_3_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_4_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "mask_5_strength": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 10.0, "step": 0.01}),
                "set_cond_area": (["default", "mask bounds"],),
            }
        }

    RETURN_TYPES = ("CONDITIONING","CONDITIONING",)
    RETURN_NAMES = ("combined_positive", "combined_negative",)
    FUNCTION = "append"
    CATEGORY = "KJNodes/masking/conditioning"
    DESCRIPTION = """
Bundles multiple conditioning mask and combine nodes into one,functionality is identical to ComfyUI native nodes
"""

    def append(self, positive_1, negative_1, positive_2, positive_3, positive_4, positive_5, negative_2, negative_3, negative_4, negative_5, mask_1, mask_2, mask_3, mask_4, mask_5, set_cond_area, mask_1_strength, mask_2_strength, mask_3_strength, mask_4_strength, mask_5_strength):
        c = []
        c2 = []
        set_area_to_bounds = False
        if set_cond_area != "default":
            set_area_to_bounds = True
        if len(mask_1.shape) < 3:
            mask_1 = mask_1.unsqueeze(0)
        if len(mask_2.shape) < 3:
            mask_2 = mask_2.unsqueeze(0)
        if len(mask_3.shape) < 3:
            mask_3 = mask_3.unsqueeze(0)
        if len(mask_4.shape) < 3:
            mask_4 = mask_4.unsqueeze(0)
        if len(mask_5.shape) < 3:
            mask_5 = mask_5.unsqueeze(0)
        for t in positive_1:
            append_helper(t, mask_1, c, set_area_to_bounds, mask_1_strength)
        for t in positive_2:
            append_helper(t, mask_2, c, set_area_to_bounds, mask_2_strength)
        for t in positive_3:
            append_helper(t, mask_3, c, set_area_to_bounds, mask_3_strength)
        for t in positive_4:
            append_helper(t, mask_4, c, set_area_to_bounds, mask_4_strength)
        for t in positive_5:
            append_helper(t, mask_5, c, set_area_to_bounds, mask_5_strength)
        for t in negative_1:
            append_helper(t, mask_1, c2, set_area_to_bounds, mask_1_strength)
        for t in negative_2:
            append_helper(t, mask_2, c2, set_area_to_bounds, mask_2_strength)
        for t in negative_3:
            append_helper(t, mask_3, c2, set_area_to_bounds, mask_3_strength)
        for t in negative_4:
            append_helper(t, mask_4, c2, set_area_to_bounds, mask_4_strength)
        for t in negative_5:
            append_helper(t, mask_5, c2, set_area_to_bounds, mask_5_strength)
        return (c, c2)
    
class VRAM_Debug:
    
    @classmethod
    
    def INPUT_TYPES(s):
      return {
        "required": {
            
            "empty_cache": ("BOOLEAN", {"default": True}),
            "gc_collect": ("BOOLEAN", {"default": True}),
            "unload_all_models": ("BOOLEAN", {"default": False}),
        },
        "optional": {
            "any_input": (any, {}),
            "image_pass": ("IMAGE",),
            "model_pass": ("MODEL",),
        }
	}
        
    RETURN_TYPES = (any, "IMAGE","MODEL","INT", "INT",)
    RETURN_NAMES = ("any_output", "image_pass", "model_pass", "freemem_before", "freemem_after")
    FUNCTION = "VRAMdebug"
    CATEGORY = "KJNodes/misc"
    DESCRIPTION = """
Returns the inputs unchanged, they are only used as triggers,  
and performs comfy model management functions and garbage collection,  
reports free VRAM before and after the operations.
"""

    def VRAMdebug(self, gc_collect, empty_cache, unload_all_models, image_pass=None, model_pass=None, any_input=None):
        freemem_before = model_management.get_free_memory()
        print("VRAMdebug: free memory before: ", f"{freemem_before:,.0f}")
        if empty_cache:
            model_management.soft_empty_cache()
        if unload_all_models:
            model_management.unload_all_models()
        if gc_collect:
            import gc
            gc.collect()
        freemem_after = model_management.get_free_memory()
        print("VRAMdebug: free memory after: ", f"{freemem_after:,.0f}")
        print("VRAMdebug: freed memory: ", f"{freemem_after - freemem_before:,.0f}")
        return {"ui": {
            "text": [f"{freemem_before:,.0f}x{freemem_after:,.0f}"]}, 
            "result": (any_input, image_pass, model_pass, freemem_before, freemem_after) 
        }

class SomethingToString:
    @classmethod
    
    def INPUT_TYPES(s):
     return {
        "required": {
        "input": (any, {}),
    },
    "optional": {
        "prefix": ("STRING", {"default": ""}),
        "suffix": ("STRING", {"default": ""}),
    }
    }
    RETURN_TYPES = ("STRING",)
    FUNCTION = "stringify"
    CATEGORY = "KJNodes/text"
    DESCRIPTION = """
Converts any type to a string.
"""

    def stringify(self, input, prefix="", suffix=""):
        if isinstance(input, (int, float, bool)):
            stringified = str(input)
        elif isinstance(input, list):
            stringified = ', '.join(str(item) for item in input)
        else:
            return
        if prefix: # Check if prefix is not empty
            stringified = prefix + stringified # Add the prefix
        if suffix: # Check if suffix is not empty
            stringified = stringified + suffix # Add the suffix

        return (stringified,)

class Sleep:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "input": (any, {}),
                "minutes": ("INT", {"default": 0, "min": 0, "max": 1439}),
                "seconds": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 59.99, "step": 0.01}),
            },
        }
    RETURN_TYPES = (any,)
    FUNCTION = "sleepdelay"
    CATEGORY = "KJNodes/misc"
    DESCRIPTION = """
Delays the execution for the input amount of time.
"""

    def sleepdelay(self, input, minutes, seconds):
        total_seconds = minutes * 60 + seconds
        time.sleep(total_seconds)
        return input,
    
class EmptyLatentImagePresets:
    @classmethod
    def INPUT_TYPES(cls):  
        return {
        "required": {
            "dimensions": (
            [   '512 x 512',
                '768 x 512',
                '960 x 512',
                '1024 x 512',
                '1536 x 640',
                '1344 x 768',
                '1216 x 832',
                '1152 x 896',
                '1024 x 1024',
            ],
            {
            "default": '512 x 512'
             }),
           
            "invert": ("BOOLEAN", {"default": False}),
            "batch_size": ("INT", {
            "default": 1,
            "min": 1,
            "max": 4096
            }),
        },
        }

    RETURN_TYPES = ("LATENT", "INT", "INT")
    RETURN_NAMES = ("Latent", "Width", "Height")
    FUNCTION = "generate"
    CATEGORY = "KJNodes"

    def generate(self, dimensions, invert, batch_size):
        from nodes import EmptyLatentImage
        result = [x.strip() for x in dimensions.split('x')]
        
        if invert:
            width = int(result[1].split(' ')[0])
            height = int(result[0])
        else:
            width = int(result[0])
            height = int(result[1].split(' ')[0])
        latent = EmptyLatentImage().generate(width, height, batch_size)[0]

        return (latent, int(width), int(height),)



class WidgetToString:
    @classmethod
    def IS_CHANGED(cls, **kwargs):
        return float("NaN")

    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "id": ("INT", {"default": 0}),
                "widget_name": ("STRING", {"multiline": False}),
                "return_all": ("BOOLEAN", {"default": False}),
            },
            
            "hidden": {"extra_pnginfo": "EXTRA_PNGINFO",
                       "prompt": "PROMPT"},
        }

    RETURN_TYPES = ("STRING", )
    FUNCTION = "get_widget_value"
    CATEGORY = "KJNodes/text"
    DESCRIPTION = """
Selects a node and it's specified widget and outputs the value as a string.  
To see node id's, enable node id display from Manager badge menu.
"""

    def get_widget_value(self, id, widget_name, extra_pnginfo, prompt, return_all=False):
        workflow = extra_pnginfo["workflow"]
        results = []
        for node in workflow["nodes"]:
            node_id = node["id"]

            if node_id != id:
                continue

            values = prompt[str(node_id)]
            if "inputs" in values:
                if return_all:
                    results.append(', '.join(f'{k}: {str(v)}' for k, v in values["inputs"].items()))
                elif widget_name in values["inputs"]:
                    v = str(values["inputs"][widget_name])  # Convert to string here
                    return (v, )
                else:
                    raise NameError(f"Widget not found: {id}.{widget_name}")
        if not results:
            raise NameError(f"Node not found: {id}")
        return (', '.join(results).strip(', '), )

class DummyOut:

    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
            "any_input": (any, {}),
            }
        }

    RETURN_TYPES = (any,)
    FUNCTION = "dummy"
    CATEGORY = "KJNodes/misc"
    OUTPUT_NODE = True
    DESCRIPTION = """
Does nothing, used to trigger generic workflow output.    
A way to get previews in the UI without saving anything to disk.
"""

    def dummy(self, any_input):
        return (any_input,)
    
class FlipSigmasAdjusted:
    @classmethod
    def INPUT_TYPES(s):
        return {"required":
                    {"sigmas": ("SIGMAS", ),
                     "divide_by_last_sigma": ("BOOLEAN", {"default": False}),
                     "divide_by": ("FLOAT", {"default": 1,"min": 1, "max": 255, "step": 0.01}),
                     "offset_by": ("INT", {"default": 1,"min": -100, "max": 100, "step": 1}),
                     }
                }
    RETURN_TYPES = ("SIGMAS", "STRING",)
    RETURN_NAMES = ("SIGMAS", "sigmas_string",)
    CATEGORY = "KJNodes/noise"
    FUNCTION = "get_sigmas_adjusted"

    def get_sigmas_adjusted(self, sigmas, divide_by_last_sigma, divide_by, offset_by):
        
        sigmas = sigmas.flip(0)
        if sigmas[0] == 0:
            sigmas[0] = 0.0001
        adjusted_sigmas = sigmas.clone()
        #offset sigma
        for i in range(1, len(sigmas)):
            offset_index = i - offset_by
            if 0 <= offset_index < len(sigmas):
                adjusted_sigmas[i] = sigmas[offset_index]
            else:
                adjusted_sigmas[i] = 0.0001 
        if adjusted_sigmas[0] == 0:
            adjusted_sigmas[0] = 0.0001  
        if divide_by_last_sigma:
            adjusted_sigmas = adjusted_sigmas / adjusted_sigmas[-1]

        sigma_np_array = adjusted_sigmas.numpy()
        array_string = np.array2string(sigma_np_array, precision=2, separator=', ', threshold=np.inf)
        adjusted_sigmas = adjusted_sigmas / divide_by
        return (adjusted_sigmas, array_string,)
    
class CustomSigmas:
    @classmethod
    def INPUT_TYPES(s):
        return {"required":
                    {
                     "sigmas_string" :("STRING", {"default": "14.615, 6.475, 3.861, 2.697, 1.886, 1.396, 0.963, 0.652, 0.399, 0.152, 0.029","multiline": True}),
                     "interpolate_to_steps": ("INT", {"default": 10,"min": 0, "max": 255, "step": 1}),
                     }
                }
    RETURN_TYPES = ("SIGMAS",)
    RETURN_NAMES = ("SIGMAS",)
    CATEGORY = "KJNodes/noise"
    FUNCTION = "customsigmas"
    DESCRIPTION = """
Creates a sigmas tensor from a string of comma separated values.  
Examples: 
   
Nvidia's optimized AYS 10 step schedule for SD 1.5:  
14.615, 6.475, 3.861, 2.697, 1.886, 1.396, 0.963, 0.652, 0.399, 0.152, 0.029  
SDXL:   
14.615, 6.315, 3.771, 2.181, 1.342, 0.862, 0.555, 0.380, 0.234, 0.113, 0.029  
SVD:  
700.00, 54.5, 15.886, 7.977, 4.248, 1.789, 0.981, 0.403, 0.173, 0.034, 0.002  
"""
    def customsigmas(self, sigmas_string, interpolate_to_steps):
        sigmas_list = sigmas_string.split(', ')
        sigmas_float_list = [float(sigma) for sigma in sigmas_list]
        sigmas_tensor = torch.FloatTensor(sigmas_float_list)
        if len(sigmas_tensor) != interpolate_to_steps + 1:
            sigmas_tensor = self.loglinear_interp(sigmas_tensor, interpolate_to_steps + 1)
        sigmas_tensor[-1] = 0
        return (sigmas_tensor.float(),)
     
    def loglinear_interp(self, t_steps, num_steps):
        """
        Performs log-linear interpolation of a given array of decreasing numbers.
        """
        t_steps_np = t_steps.numpy()

        xs = np.linspace(0, 1, len(t_steps_np))
        ys = np.log(t_steps_np[::-1])
        
        new_xs = np.linspace(0, 1, num_steps)
        new_ys = np.interp(new_xs, xs, ys)
        
        interped_ys = np.exp(new_ys)[::-1].copy()
        interped_ys_tensor = torch.tensor(interped_ys)
        return interped_ys_tensor

 
class InjectNoiseToLatent:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {
            "latents":("LATENT",),  
            "strength": ("FLOAT", {"default": 0.1, "min": 0.0, "max": 200.0, "step": 0.0001}),
            "noise":  ("LATENT",),
            "normalize": ("BOOLEAN", {"default": False}),
            "average": ("BOOLEAN", {"default": False}),
            },
            "optional":{
                "mask": ("MASK", ),
                "mix_randn_amount": ("FLOAT", {"default": 0.0, "min": 0.0, "max": 1000.0, "step": 0.001}),
                "seed": ("INT", {"default": 123,"min": 0, "max": 0xffffffffffffffff, "step": 1}),
            }
            }
    
    RETURN_TYPES = ("LATENT",)
    FUNCTION = "injectnoise"
    CATEGORY = "KJNodes/noise"
        
    def injectnoise(self, latents, strength, noise, normalize, average, mix_randn_amount=0, seed=None, mask=None):
        samples = latents.copy()
        if latents["samples"].shape != noise["samples"].shape:
            raise ValueError("InjectNoiseToLatent: Latent and noise must have the same shape")
        if average:
            noised = (samples["samples"].clone() + noise["samples"].clone()) / 2
        else:
            noised = samples["samples"].clone() + noise["samples"].clone() * strength
        if normalize:
            noised = noised / noised.std()
        if mask is not None:
            mask = torch.nn.functional.interpolate(mask.reshape((-1, 1, mask.shape[-2], mask.shape[-1])), size=(noised.shape[2], noised.shape[3]), mode="bilinear")
            mask = mask.expand((-1,noised.shape[1],-1,-1))
            if mask.shape[0] < noised.shape[0]:
                mask = mask.repeat((noised.shape[0] -1) // mask.shape[0] + 1, 1, 1, 1)[:noised.shape[0]]
            noised = mask * noised + (1-mask) * latents["samples"]
        if mix_randn_amount > 0:
            if seed is not None:
                torch.manual_seed(seed)
            rand_noise = torch.randn_like(noised)
            noised = ((1 - mix_randn_amount) * noised + mix_randn_amount *
                            rand_noise) / ((mix_randn_amount**2 + (1-mix_randn_amount)**2) ** 0.5)
        samples["samples"] = noised
        return (samples,)
 
class SoundReactive:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {  
            "sound_level": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 99999, "step": 0.01}),
            "start_range_hz": ("INT", {"default": 150, "min": 0, "max": 9999, "step": 1}),
            "end_range_hz": ("INT", {"default": 2000, "min": 0, "max": 9999, "step": 1}),
            "multiplier": ("FLOAT", {"default": 1.0, "min": 0.01, "max": 99999, "step": 0.01}),
            "smoothing_factor": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}),
            "normalize": ("BOOLEAN", {"default": False}),
            },
            }
    
    RETURN_TYPES = ("FLOAT","INT",)
    RETURN_NAMES =("sound_level", "sound_level_int",)
    FUNCTION = "react"
    CATEGORY = "KJNodes/audio"
    DESCRIPTION = """
Reacts to the sound level of the input.  
Uses your browsers sound input options and requires.  
Meant to be used with realtime diffusion with autoqueue.
"""
        
    def react(self, sound_level, start_range_hz, end_range_hz, smoothing_factor, multiplier, normalize):

        sound_level *= multiplier

        if normalize:
            sound_level /= 255

        sound_level_int = int(sound_level)
        return (sound_level, sound_level_int, )     
       
class GenerateNoise:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": { 
            "width": ("INT", {"default": 512,"min": 16, "max": 4096, "step": 1}),
            "height": ("INT", {"default": 512,"min": 16, "max": 4096, "step": 1}),
            "batch_size": ("INT", {"default": 1, "min": 1, "max": 4096}),
            "seed": ("INT", {"default": 123,"min": 0, "max": 0xffffffffffffffff, "step": 1}),
            "multiplier": ("FLOAT", {"default": 1.0,"min": 0.0, "max": 4096, "step": 0.01}),
            "constant_batch_noise": ("BOOLEAN", {"default": False}),
            "normalize": ("BOOLEAN", {"default": False}),
            },
            "optional": {
            "model": ("MODEL", ),
            "sigmas": ("SIGMAS", ),
            }
            }
    
    RETURN_TYPES = ("LATENT",)
    FUNCTION = "generatenoise"
    CATEGORY = "KJNodes/noise"
    DESCRIPTION = """
Generates noise for injection or to be used as empty latents on samplers with add_noise off.
"""
        
    def generatenoise(self, batch_size, width, height, seed, multiplier, constant_batch_noise, normalize, sigmas=None, model=None):

        generator = torch.manual_seed(seed)
        noise = torch.randn([batch_size, 4, height // 8, width // 8], dtype=torch.float32, layout=torch.strided, generator=generator, device="cpu")
        if sigmas is not None:
            sigma = sigmas[0] - sigmas[-1]
            sigma /= model.model.latent_format.scale_factor
            noise *= sigma

        noise *=multiplier

        if normalize:
            noise = noise / noise.std()
        if constant_batch_noise:
            noise = noise[0].repeat(batch_size, 1, 1, 1)
        return ({"samples":noise}, )

def camera_embeddings(elevation, azimuth):
    elevation = torch.as_tensor([elevation])
    azimuth = torch.as_tensor([azimuth])
    embeddings = torch.stack(
        [
                torch.deg2rad(
                    (90 - elevation) - (90)
                ),  # Zero123 polar is 90-elevation
                torch.sin(torch.deg2rad(azimuth)),
                torch.cos(torch.deg2rad(azimuth)),
                torch.deg2rad(
                    90 - torch.full_like(elevation, 0)
                ),
        ], dim=-1).unsqueeze(1)

    return embeddings

def interpolate_angle(start, end, fraction):
    # Calculate the difference in angles and adjust for wraparound if necessary
    diff = (end - start + 540) % 360 - 180
    # Apply fraction to the difference
    interpolated = start + fraction * diff
    # Normalize the result to be within the range of -180 to 180
    return (interpolated + 180) % 360 - 180


class StableZero123_BatchSchedule:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": { "clip_vision": ("CLIP_VISION",),
                              "init_image": ("IMAGE",),
                              "vae": ("VAE",),
                              "width": ("INT", {"default": 256, "min": 16, "max": MAX_RESOLUTION, "step": 8}),
                              "height": ("INT", {"default": 256, "min": 16, "max": MAX_RESOLUTION, "step": 8}),
                              "batch_size": ("INT", {"default": 1, "min": 1, "max": 4096}),
                              "interpolation": (["linear", "ease_in", "ease_out", "ease_in_out"],),
                              "azimuth_points_string": ("STRING", {"default": "0:(0.0),\n7:(1.0),\n15:(0.0)\n", "multiline": True}),
                              "elevation_points_string": ("STRING", {"default": "0:(0.0),\n7:(0.0),\n15:(0.0)\n", "multiline": True}),
                             }}
    
    RETURN_TYPES = ("CONDITIONING", "CONDITIONING", "LATENT")
    RETURN_NAMES = ("positive", "negative", "latent")
    FUNCTION = "encode"
    CATEGORY = "KJNodes/experimental"

    def encode(self, clip_vision, init_image, vae, width, height, batch_size, azimuth_points_string, elevation_points_string, interpolation):
        output = clip_vision.encode_image(init_image)
        pooled = output.image_embeds.unsqueeze(0)
        pixels = common_upscale(init_image.movedim(-1,1), width, height, "bilinear", "center").movedim(1,-1)
        encode_pixels = pixels[:,:,:,:3]
        t = vae.encode(encode_pixels)

        def ease_in(t):
            return t * t
        def ease_out(t):
            return 1 - (1 - t) * (1 - t)
        def ease_in_out(t):
            return 3 * t * t - 2 * t * t * t
        
        # Parse the azimuth input string into a list of tuples
        azimuth_points = []
        azimuth_points_string = azimuth_points_string.rstrip(',\n')
        for point_str in azimuth_points_string.split(','):
            frame_str, azimuth_str = point_str.split(':')
            frame = int(frame_str.strip())
            azimuth = float(azimuth_str.strip()[1:-1]) 
            azimuth_points.append((frame, azimuth))
        # Sort the points by frame number
        azimuth_points.sort(key=lambda x: x[0])

        # Parse the elevation input string into a list of tuples
        elevation_points = []
        elevation_points_string = elevation_points_string.rstrip(',\n')
        for point_str in elevation_points_string.split(','):
            frame_str, elevation_str = point_str.split(':')
            frame = int(frame_str.strip())
            elevation_val = float(elevation_str.strip()[1:-1]) 
            elevation_points.append((frame, elevation_val))
        # Sort the points by frame number
        elevation_points.sort(key=lambda x: x[0])

        # Index of the next point to interpolate towards
        next_point = 1
        next_elevation_point = 1

        positive_cond_out = []
        positive_pooled_out = []
        negative_cond_out = []
        negative_pooled_out = []
        
        #azimuth interpolation
        for i in range(batch_size):
            # Find the interpolated azimuth for the current frame
            while next_point < len(azimuth_points) and i >= azimuth_points[next_point][0]:
                next_point += 1
            # If next_point is equal to the length of points, we've gone past the last point
            if next_point == len(azimuth_points):
                next_point -= 1  # Set next_point to the last index of points
            prev_point = max(next_point - 1, 0)  # Ensure prev_point is not less than 0

            # Calculate fraction
            if azimuth_points[next_point][0] != azimuth_points[prev_point][0]:  # Prevent division by zero
                fraction = (i - azimuth_points[prev_point][0]) / (azimuth_points[next_point][0] - azimuth_points[prev_point][0])
                if interpolation == "ease_in":
                    fraction = ease_in(fraction)
                elif interpolation == "ease_out":
                    fraction = ease_out(fraction)
                elif interpolation == "ease_in_out":
                    fraction = ease_in_out(fraction)
                
                # Use the new interpolate_angle function
                interpolated_azimuth = interpolate_angle(azimuth_points[prev_point][1], azimuth_points[next_point][1], fraction)
            else:
                interpolated_azimuth = azimuth_points[prev_point][1]
            # Interpolate the elevation
            next_elevation_point = 1
            while next_elevation_point < len(elevation_points) and i >= elevation_points[next_elevation_point][0]:
                next_elevation_point += 1
            if next_elevation_point == len(elevation_points):
                next_elevation_point -= 1
            prev_elevation_point = max(next_elevation_point - 1, 0)

            if elevation_points[next_elevation_point][0] != elevation_points[prev_elevation_point][0]:
                fraction = (i - elevation_points[prev_elevation_point][0]) / (elevation_points[next_elevation_point][0] - elevation_points[prev_elevation_point][0])
                if interpolation == "ease_in":
                    fraction = ease_in(fraction)
                elif interpolation == "ease_out":
                    fraction = ease_out(fraction)
                elif interpolation == "ease_in_out":
                    fraction = ease_in_out(fraction)
                
                interpolated_elevation = interpolate_angle(elevation_points[prev_elevation_point][1], elevation_points[next_elevation_point][1], fraction)
            else:
                interpolated_elevation = elevation_points[prev_elevation_point][1]

            cam_embeds = camera_embeddings(interpolated_elevation, interpolated_azimuth)
            cond = torch.cat([pooled, cam_embeds.repeat((pooled.shape[0], 1, 1))], dim=-1)

            positive_pooled_out.append(t)
            positive_cond_out.append(cond)
            negative_pooled_out.append(torch.zeros_like(t))
            negative_cond_out.append(torch.zeros_like(pooled))

        # Concatenate the conditions and pooled outputs
        final_positive_cond = torch.cat(positive_cond_out, dim=0)
        final_positive_pooled = torch.cat(positive_pooled_out, dim=0)
        final_negative_cond = torch.cat(negative_cond_out, dim=0)
        final_negative_pooled = torch.cat(negative_pooled_out, dim=0)

        # Structure the final output
        final_positive = [[final_positive_cond, {"concat_latent_image": final_positive_pooled}]]
        final_negative = [[final_negative_cond, {"concat_latent_image": final_negative_pooled}]]

        latent = torch.zeros([batch_size, 4, height // 8, width // 8])
        return (final_positive, final_negative, {"samples": latent})

def linear_interpolate(start, end, fraction):
    return start + (end - start) * fraction

class SV3D_BatchSchedule:
    @classmethod
    def INPUT_TYPES(s):
        return {"required": { "clip_vision": ("CLIP_VISION",),
                              "init_image": ("IMAGE",),
                              "vae": ("VAE",),
                              "width": ("INT", {"default": 576, "min": 16, "max": MAX_RESOLUTION, "step": 8}),
                              "height": ("INT", {"default": 576, "min": 16, "max": MAX_RESOLUTION, "step": 8}),
                              "batch_size": ("INT", {"default": 21, "min": 1, "max": 4096}),
                              "interpolation": (["linear", "ease_in", "ease_out", "ease_in_out"],),
                              "azimuth_points_string": ("STRING", {"default": "0:(0.0),\n9:(180.0),\n20:(360.0)\n", "multiline": True}),
                              "elevation_points_string": ("STRING", {"default": "0:(0.0),\n9:(0.0),\n20:(0.0)\n", "multiline": True}),
                             }}
    
    RETURN_TYPES = ("CONDITIONING", "CONDITIONING", "LATENT")
    RETURN_NAMES = ("positive", "negative", "latent")
    FUNCTION = "encode"
    CATEGORY = "KJNodes/experimental"
    DESCRIPTION = """
Allow scheduling of the azimuth and elevation conditions for SV3D.  
Note that SV3D is still a video model and the schedule needs to always go forward  
https://huggingface.co/stabilityai/sv3d
"""

    def encode(self, clip_vision, init_image, vae, width, height, batch_size, azimuth_points_string, elevation_points_string, interpolation):
        output = clip_vision.encode_image(init_image)
        pooled = output.image_embeds.unsqueeze(0)
        pixels = common_upscale(init_image.movedim(-1,1), width, height, "bilinear", "center").movedim(1,-1)
        encode_pixels = pixels[:,:,:,:3]
        t = vae.encode(encode_pixels)

        def ease_in(t):
            return t * t
        def ease_out(t):
            return 1 - (1 - t) * (1 - t)
        def ease_in_out(t):
            return 3 * t * t - 2 * t * t * t
        
        # Parse the azimuth input string into a list of tuples
        azimuth_points = []
        azimuth_points_string = azimuth_points_string.rstrip(',\n')
        for point_str in azimuth_points_string.split(','):
            frame_str, azimuth_str = point_str.split(':')
            frame = int(frame_str.strip())
            azimuth = float(azimuth_str.strip()[1:-1]) 
            azimuth_points.append((frame, azimuth))
        # Sort the points by frame number
        azimuth_points.sort(key=lambda x: x[0])

        # Parse the elevation input string into a list of tuples
        elevation_points = []
        elevation_points_string = elevation_points_string.rstrip(',\n')
        for point_str in elevation_points_string.split(','):
            frame_str, elevation_str = point_str.split(':')
            frame = int(frame_str.strip())
            elevation_val = float(elevation_str.strip()[1:-1]) 
            elevation_points.append((frame, elevation_val))
        # Sort the points by frame number
        elevation_points.sort(key=lambda x: x[0])

        # Index of the next point to interpolate towards
        next_point = 1
        next_elevation_point = 1
        elevations = []
        azimuths = []
        # For azimuth interpolation
        for i in range(batch_size):
            # Find the interpolated azimuth for the current frame
            while next_point < len(azimuth_points) and i >= azimuth_points[next_point][0]:
                next_point += 1
            if next_point == len(azimuth_points):
                next_point -= 1
            prev_point = max(next_point - 1, 0)

            if azimuth_points[next_point][0] != azimuth_points[prev_point][0]:
                fraction = (i - azimuth_points[prev_point][0]) / (azimuth_points[next_point][0] - azimuth_points[prev_point][0])
                # Apply the ease function to the fraction
                if interpolation == "ease_in":
                    fraction = ease_in(fraction)
                elif interpolation == "ease_out":
                    fraction = ease_out(fraction)
                elif interpolation == "ease_in_out":
                    fraction = ease_in_out(fraction)
                
                interpolated_azimuth = linear_interpolate(azimuth_points[prev_point][1], azimuth_points[next_point][1], fraction)
            else:
                interpolated_azimuth = azimuth_points[prev_point][1]

            # Interpolate the elevation
            next_elevation_point = 1
            while next_elevation_point < len(elevation_points) and i >= elevation_points[next_elevation_point][0]:
                next_elevation_point += 1
            if next_elevation_point == len(elevation_points):
                next_elevation_point -= 1
            prev_elevation_point = max(next_elevation_point - 1, 0)

            if elevation_points[next_elevation_point][0] != elevation_points[prev_elevation_point][0]:
                fraction = (i - elevation_points[prev_elevation_point][0]) / (elevation_points[next_elevation_point][0] - elevation_points[prev_elevation_point][0])
                # Apply the ease function to the fraction
                if interpolation == "ease_in":
                    fraction = ease_in(fraction)
                elif interpolation == "ease_out":
                    fraction = ease_out(fraction)
                elif interpolation == "ease_in_out":
                    fraction = ease_in_out(fraction)
                
                interpolated_elevation = linear_interpolate(elevation_points[prev_elevation_point][1], elevation_points[next_elevation_point][1], fraction)
            else:
                interpolated_elevation = elevation_points[prev_elevation_point][1]

            azimuths.append(interpolated_azimuth)
            elevations.append(interpolated_elevation)

        #print("azimuths", azimuths)
        #print("elevations", elevations)

        # Structure the final output
        final_positive = [[pooled, {"concat_latent_image": t, "elevation": elevations, "azimuth": azimuths}]]
        final_negative = [[torch.zeros_like(pooled), {"concat_latent_image": torch.zeros_like(t),"elevation": elevations, "azimuth": azimuths}]]

        latent = torch.zeros([batch_size, 4, height // 8, width // 8])
        return (final_positive, final_negative, {"samples": latent})

class LoadResAdapterNormalization:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "model": ("MODEL",),
                "resadapter_path": (folder_paths.get_filename_list("checkpoints"), )
            } 
        }

    RETURN_TYPES = ("MODEL",)
    FUNCTION = "load_res_adapter"
    CATEGORY = "KJNodes/experimental"

    def load_res_adapter(self, model, resadapter_path):
        print("ResAdapter: Checking ResAdapter path")
        resadapter_full_path = folder_paths.get_full_path("checkpoints", resadapter_path)
        if not os.path.exists(resadapter_full_path):
            raise Exception("Invalid model path")
        else:
            print("ResAdapter: Loading ResAdapter normalization weights")
            from comfy.utils import load_torch_file
            prefix_to_remove = 'diffusion_model.'
            model_clone = model.clone()
            norm_state_dict = load_torch_file(resadapter_full_path)
            new_values = {key[len(prefix_to_remove):]: value for key, value in norm_state_dict.items() if key.startswith(prefix_to_remove)}
            print("ResAdapter: Attempting to add patches with ResAdapter weights")
            try:
                for key in model.model.diffusion_model.state_dict().keys():
                    if key in new_values:
                        original_tensor = model.model.diffusion_model.state_dict()[key]
                        new_tensor = new_values[key].to(model.model.diffusion_model.dtype)
                        if original_tensor.shape == new_tensor.shape:
                            model_clone.add_object_patch(f"diffusion_model.{key}.data", new_tensor)
                        else:
                            print("ResAdapter: No match for key: ",key)
            except:
                raise Exception("Could not patch model, this way of patching was added to ComfyUI on March 3rd 2024, is your ComfyUI up to date?")
            print("ResAdapter: Added resnet normalization patches")
            return (model_clone, )
        
class Superprompt:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "instruction_prompt": ("STRING", {"default": 'Expand the following prompt to add more detail', "multiline": True}),
                "prompt": ("STRING", {"default": '', "multiline": True, "forceInput": True}),
                "max_new_tokens": ("INT", {"default": 128, "min": 1, "max": 4096, "step": 1}),
            } 
        }

    RETURN_TYPES = ("STRING",)
    FUNCTION = "process"
    CATEGORY = "KJNodes/text"
    DESCRIPTION = """
# SuperPrompt
A T5 model fine-tuned on the SuperPrompt dataset for  
upsampling text prompts to more detailed descriptions.  
Meant to be used as a pre-generation step for text-to-image  
models that benefit from more detailed prompts.  
https://huggingface.co/roborovski/superprompt-v1
"""

    def process(self, instruction_prompt, prompt, max_new_tokens):
        device = model_management.get_torch_device()
        from transformers import T5Tokenizer, T5ForConditionalGeneration

        checkpoint_path = os.path.join(script_directory, "models","superprompt-v1")
        if not os.path.exists(checkpoint_path):
                print(f"Downloading model to: {checkpoint_path}")
                from huggingface_hub import snapshot_download
                snapshot_download(repo_id="roborovski/superprompt-v1", 
                                  local_dir=checkpoint_path, 
                                  local_dir_use_symlinks=False)
        tokenizer = T5Tokenizer.from_pretrained("google/flan-t5-small", legacy=False)

        model = T5ForConditionalGeneration.from_pretrained(checkpoint_path, device_map=device)
        model.to(device)
        input_text = instruction_prompt + ": " + prompt
  
        input_ids = tokenizer(input_text, return_tensors="pt").input_ids.to(device)
        outputs = model.generate(input_ids,  max_new_tokens=max_new_tokens)
        out = (tokenizer.decode(outputs[0]))
        out = out.replace('<pad>', '')
        out = out.replace('</s>', '')
        
        return (out, )


class CameraPoseVisualizer:
                
    @classmethod
    def INPUT_TYPES(s):
        return {"required": {
            "pose_file_path": ("STRING", {"default": '', "multiline": False}),
            "base_xval": ("FLOAT", {"default": 0.2,"min": 0, "max": 100, "step": 0.01}),
            "zval": ("FLOAT", {"default": 0.3,"min": 0, "max": 100, "step": 0.01}),
            "scale": ("FLOAT", {"default": 1.0,"min": 0.01, "max": 10.0, "step": 0.01}),
            "use_exact_fx": ("BOOLEAN", {"default": False}),
            "relative_c2w": ("BOOLEAN", {"default": True}),
            "use_viewer": ("BOOLEAN", {"default": False}),
            },
            "optional": {
                "cameractrl_poses": ("CAMERACTRL_POSES", {"default": None}),
            }
            }
    
    RETURN_TYPES = ("IMAGE",)
    FUNCTION = "plot"
    CATEGORY = "KJNodes/misc"
    DESCRIPTION = """
Visualizes the camera poses, from Animatediff-Evolved CameraCtrl Pose  
or a .txt file with RealEstate camera intrinsics and coordinates, in a 3D plot. 
"""
        
    def plot(self, pose_file_path, scale, base_xval, zval, use_exact_fx, relative_c2w, use_viewer, cameractrl_poses=None):
        import matplotlib as mpl
        import matplotlib.pyplot as plt
        from torchvision.transforms import ToTensor

        x_min = -2.0 * scale
        x_max = 2.0 * scale
        y_min = -2.0 * scale
        y_max = 2.0 * scale
        z_min = -2.0 * scale
        z_max = 2.0 * scale
        plt.rcParams['text.color'] = '#999999'
        self.fig = plt.figure(figsize=(18, 7))
        self.fig.patch.set_facecolor('#353535')
        self.ax = self.fig.add_subplot(projection='3d')
        self.ax.set_facecolor('#353535') # Set the background color here
        self.ax.grid(color='#999999', linestyle='-', linewidth=0.5)
        self.plotly_data = None  # plotly data traces
        self.ax.set_aspect("auto")
        self.ax.set_xlim(x_min, x_max)
        self.ax.set_ylim(y_min, y_max)
        self.ax.set_zlim(z_min, z_max)
        self.ax.set_xlabel('x', color='#999999')
        self.ax.set_ylabel('y', color='#999999')
        self.ax.set_zlabel('z', color='#999999')
        for text in self.ax.get_xticklabels() + self.ax.get_yticklabels() + self.ax.get_zticklabels():
            text.set_color('#999999')
        print('initialize camera pose visualizer')

        if pose_file_path != "":
            with open(pose_file_path, 'r') as f:
                poses = f.readlines()
                w2cs = [np.asarray([float(p) for p in pose.strip().split(' ')[7:]]).reshape(3, 4) for pose in poses[1:]]
                fxs = [float(pose.strip().split(' ')[1]) for pose in poses[1:]]
                #print(poses)
        elif cameractrl_poses is not None:
            poses = cameractrl_poses
            w2cs = [np.array(pose[7:]).reshape(3, 4) for pose in cameractrl_poses]
            fxs = [pose[1] for pose in cameractrl_poses]
        else:
            raise ValueError("Please provide either pose_file_path or cameractrl_poses")

        total_frames = len(w2cs)
        transform_matrix = np.asarray([[1, 0, 0, 0], [0, 0, 1, 0], [0, -1, 0, 0], [0, 0, 0, 1]]).reshape(4, 4)
        last_row = np.zeros((1, 4))
        last_row[0, -1] = 1.0

        w2cs = [np.concatenate((w2c, last_row), axis=0) for w2c in w2cs]
        c2ws = self.get_c2w(w2cs, transform_matrix, relative_c2w)

        for frame_idx, c2w in enumerate(c2ws):
            self.extrinsic2pyramid(c2w, frame_idx / total_frames, hw_ratio=1/1, base_xval=base_xval,
                                    zval=(fxs[frame_idx] if use_exact_fx else zval))

        # Create the colorbar
        cmap = mpl.cm.rainbow
        norm = mpl.colors.Normalize(vmin=0, vmax=total_frames)
        colorbar = self.fig.colorbar(mpl.cm.ScalarMappable(norm=norm, cmap=cmap), ax=self.ax, orientation='vertical')

        # Change the colorbar label
        colorbar.set_label('Frame', color='#999999') # Change the label and its color

        # Change the tick colors
        colorbar.ax.yaxis.set_tick_params(colors='#999999') # Change the tick color

        # Change the tick frequency
        # Assuming you want to set the ticks at every 10th frame
        ticks = np.arange(0, total_frames, 10)
        colorbar.ax.yaxis.set_ticks(ticks)
        
        plt.title('')
        plt.draw()
        buf = io.BytesIO()
        plt.savefig(buf, format='png', bbox_inches='tight', pad_inches=0)
        buf.seek(0)
        img = Image.open(buf)
        tensor_img = ToTensor()(img)
        buf.close()
        tensor_img = tensor_img.permute(1, 2, 0).unsqueeze(0)
        if use_viewer:
            time.sleep(1)
            plt.show()
        return (tensor_img,)

    def extrinsic2pyramid(self, extrinsic, color_map='red', hw_ratio=1/1, base_xval=1, zval=3):
        from mpl_toolkits.mplot3d.art3d import Poly3DCollection
        vertex_std = np.array([[0, 0, 0, 1],
                            [base_xval, -base_xval * hw_ratio, zval, 1],
                            [base_xval, base_xval * hw_ratio, zval, 1],
                            [-base_xval, base_xval * hw_ratio, zval, 1],
                            [-base_xval, -base_xval * hw_ratio, zval, 1]])
        vertex_transformed = vertex_std @ extrinsic.T
        meshes = [[vertex_transformed[0, :-1], vertex_transformed[1][:-1], vertex_transformed[2, :-1]],
                            [vertex_transformed[0, :-1], vertex_transformed[2, :-1], vertex_transformed[3, :-1]],
                            [vertex_transformed[0, :-1], vertex_transformed[3, :-1], vertex_transformed[4, :-1]],
                            [vertex_transformed[0, :-1], vertex_transformed[4, :-1], vertex_transformed[1, :-1]],
                            [vertex_transformed[1, :-1], vertex_transformed[2, :-1], vertex_transformed[3, :-1], vertex_transformed[4, :-1]]]

        color = color_map if isinstance(color_map, str) else plt.cm.rainbow(color_map)

        self.ax.add_collection3d(
            Poly3DCollection(meshes, facecolors=color, linewidths=0.3, edgecolors=color, alpha=0.25))

    def customize_legend(self, list_label):
        from matplotlib.patches import Patch
        list_handle = []
        for idx, label in enumerate(list_label):
            color = plt.cm.rainbow(idx / len(list_label))
            patch = Patch(color=color, label=label)
            list_handle.append(patch)
        plt.legend(loc='right', bbox_to_anchor=(1.8, 0.5), handles=list_handle)

    def get_c2w(self, w2cs, transform_matrix, relative_c2w):
        if relative_c2w:
            target_cam_c2w = np.array([
                [1, 0, 0, 0],
                [0, 1, 0, 0],
                [0, 0, 1, 0],
                [0, 0, 0, 1]
            ])
            abs2rel = target_cam_c2w @ w2cs[0]
            ret_poses = [target_cam_c2w, ] + [abs2rel @ np.linalg.inv(w2c) for w2c in w2cs[1:]]
        else:
            ret_poses = [np.linalg.inv(w2c) for w2c in w2cs]
        ret_poses = [transform_matrix @ x for x in ret_poses]
        return np.array(ret_poses, dtype=np.float32)
    


class StabilityAPI_SD3:

    @classmethod
    def INPUT_TYPES(cls):
        return {
            "required": {
                "prompt": ("STRING", {"multiline": True}),
                "n_prompt": ("STRING", {"multiline": True}),
                "seed": ("INT", {"default": 123,"min": 0, "max": 4294967294, "step": 1}),
                "model": (
                [   
                    'sd3',
                    'sd3-turbo',
                ],
                {
                "default": 'sd3'
                 }),
                 "aspect_ratio": (
                [   
                    '1:1',
                    '16:9',
                    '21:9',
                    '2:3',
                    '3:2',
                    '4:5',
                    '5:4',
                    '9:16',
                    '9:21',
                ],
                {
                "default": '1:1'
                }),
                "output_format": (
                [   
                    'png',
                    'jpeg',
                ],
                {
                "default": 'jpeg'
                 }),                 
            },
            "optional": {
                "api_key": ("STRING", {"multiline": True}),
                "image": ("IMAGE",),
                "img2img_strength": ("FLOAT", {"default": 0.5, "min": 0.0, "max": 1.0, "step": 0.01}),
                "disable_metadata": ("BOOLEAN", {"default": True}),
            },
        }

    RETURN_TYPES = ("IMAGE",)
    FUNCTION = "apicall"

    CATEGORY = "KJNodes/experimental"
    DESCRIPTION = """
## Calls StabilityAI API
   
Although you may have multiple keys in your account,  
you should use the same key for all requests to this API.  

Get your API key here: https://platform.stability.ai/account/keys  
Recommended to set the key in the config.json -file under this  
node packs folder.  
# WARNING:  
Otherwise the API key may get saved in the image metadata even  
with "disable_metadata" on if the workflow includes save nodes  
separate from this node.  
   
sd3 requires 6.5 credits per generation  
sd3-turbo requires 4 credits per generation  

If no image is provided, mode is set to text-to-image  

"""

    def apicall(self, prompt, n_prompt, model, seed, aspect_ratio, output_format, 
                img2img_strength=0.5, image=None, disable_metadata=True, api_key=""):
        from comfy.cli_args import args
        if disable_metadata:
            args.disable_metadata = True
        else:
            args.disable_metadata = False
        
        import requests
        from torchvision import transforms
        
        data = {
                "mode": "text-to-image",
                "prompt": prompt,
                "model": model,
                "seed": seed,
                "output_format": output_format
                }
        
        if image is not None:
            image = image.permute(0, 3, 1, 2).squeeze(0)
            to_pil = transforms.ToPILImage()
            pil_image = to_pil(image)
            # Save the PIL Image to a BytesIO object
            buffer = io.BytesIO()
            pil_image.save(buffer, format='PNG')
            buffer.seek(0)
            files = {"image": ("image.png", buffer, "image/png")}
           
            data["mode"] = "image-to-image"
            data["image"] = pil_image
            data["strength"] = img2img_strength
        else:
            data["aspect_ratio"] = aspect_ratio,
            files = {"none": ''}
        
        if model != "sd3-turbo":
            data["negative_prompt"] = n_prompt

        headers={
                "accept": "image/*"
            }
        
        if api_key != "":
            headers["authorization"] = api_key
        else:
            config_file_path = os.path.join(script_directory,"config.json")
            with open(config_file_path, 'r') as file:
                config = json.load(file)
            api_key_from_config = config.get("sai_api_key")
            headers["authorization"] = api_key_from_config            
        
        response = requests.post(
            f"https://api.stability.ai/v2beta/stable-image/generate/sd3",
            headers=headers,
            files = files,
            data = data,
        )

        if response.status_code == 200:
            # Convert the response content to a PIL Image
            image = Image.open(io.BytesIO(response.content))
            # Convert the PIL Image to a PyTorch tensor
            transform = transforms.ToTensor()
            tensor_image = transform(image)
            tensor_image = tensor_image.unsqueeze(0)
            tensor_image = tensor_image.permute(0, 2, 3, 1).cpu().float()
            return (tensor_image,)
        else:
            try:
                # Attempt to parse the response as JSON
                error_data = response.json()
                raise Exception(f"Server error: {error_data}")
            except json.JSONDecodeError:
                # If the response is not valid JSON, raise a different exception
                raise Exception(f"Server error: {response.text}")
            
class CheckpointPerturbWeights:

    @classmethod
    def INPUT_TYPES(s):
        return {"required": {
            "model": ("MODEL",),
            "joint_blocks": ("FLOAT", {"default": 0.02, "min": 0.001, "max": 10.0, "step": 0.001}),
            "final_layer": ("FLOAT", {"default": 0.02, "min": 0.001, "max": 10.0, "step": 0.001}),
            "rest_of_the_blocks": ("FLOAT", {"default": 0.02, "min": 0.001, "max": 10.0, "step": 0.001}),
            "seed": ("INT", {"default": 123,"min": 0, "max": 0xffffffffffffffff, "step": 1}),
            }
        }
    RETURN_TYPES = ("MODEL",)
    FUNCTION = "mod"
    OUTPUT_NODE = True

    CATEGORY = "KJNodes/experimental"

    def mod(self, seed, model, joint_blocks, final_layer, rest_of_the_blocks):
        import copy
        torch.manual_seed(seed)
        torch.cuda.manual_seed_all(seed)
        device = model_management.get_torch_device()
        model_copy = copy.deepcopy(model)
        model_copy.model.to(device)
        keys = model_copy.model.diffusion_model.state_dict().keys()

        dict = {}
        for key in keys:
            dict[key] = model_copy.model.diffusion_model.state_dict()[key]

        pbar = ProgressBar(len(keys))
        for k in keys:
            v = dict[k]
            print(f'{k}: {v.std()}') 
            if k.startswith('joint_blocks'):
                multiplier = joint_blocks
            elif k.startswith('final_layer'):
                multiplier = final_layer
            else:
                multiplier = rest_of_the_blocks
            dict[k] += torch.normal(torch.zeros_like(v) * v.mean(), torch.ones_like(v) * v.std() * multiplier).to(device)
            pbar.update(1)
        model_copy.model.diffusion_model.load_state_dict(dict)
        return model_copy,