from pathlib import Path
import itertools
from typing import Any
import math
import random
from collections import namedtuple, defaultdict
import warnings

from tqdm import tqdm

import numpy as np
import pandas as pd

from scipy.spatial.transform import Rotation as R

from sklearn.cluster import MeanShift

import skimage.feature as feature
from skimage import color
from skimage.feature import SIFT, match_descriptors, plot_matches
from skimage.filters import (
    threshold_otsu,
    threshold_triangle,
    threshold_triangle,
    threshold_isodata,
    threshold_li,
    threshold_yen,
    threshold_mean,
    threshold_minimum,
    threshold_triangle,
    threshold_yen,
)

import cv2
from PIL import Image

import matplotlib.pyplot as plt

import scripts.tap_const as tc


def _update_axis(
    axis,
    image,
    title=None,
    fontsize=18,
    remove_axis=True,
    title_loc="center",
):
    axis.imshow(image, origin="upper")
    if title is not None:
        axis.set_title(title, fontsize=fontsize, loc=title_loc)
    if remove_axis is True:
        axis.set_axis_off()


Circle = namedtuple("Circle", field_names="x,y,r")

font = cv2.FONT_HERSHEY_SIMPLEX

color_spaces = {
    "rgb": ["red", "green", "blue"],
    "hsv": ["h", "s", "v"],
    "yiq": ["y", "i", "q"],
    "lab": ["l", "a", "b"],
}
available_threholds = ["otsu", "triangle", "isodata", "li", "mean", "minimum", "yen"]


def bgr_to_rgb(clr: tuple) -> tuple:
    """Converts from BGR to RGB

    Arguments:
        clr {tuple} -- Source color

    Returns:
        tuple -- Converted color
    """
    return (clr[2], clr[1], clr[0])


def rgb_to_bgr(clr: tuple) -> tuple:
    """Converts from RGB to BGR

    Arguments:
        clr {tuple} -- Source color

    Returns:
        tuple -- Converted color
    """
    return (clr[0], clr[1], clr[2])


def load_image(file_name, file_path=None, rgb: bool = True, image_size: int = None):
    path = (
        file_name
        if isinstance(file_name, Path) is True and file_name.is_file() is True
        else file_path.joinpath(file_name)
    )

    try:
        image = cv2.imread(str(path))
        if rgb is True:
            image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
        if image_size is not None:
            image = cv2.resize(
                image, dsize=(image_size, image_size), interpolation=cv2.INTER_LANCZOS4
            )
        return image
    except Exception as e:
        print(file_name)
        print(f"Failed load imge: {str(e)}")
        return None


def to_pil(image, size: tuple = None):
    if image is None:
        return None
    ret = Image.fromarray(image)
    if size is not None:
        ret = ret.resize(size=size, resample=Image.Resampling.LANCZOS)
    return ret


def to_cv(image, size: tuple = None):
    if size is not None:
        image = image.resize(size=size, resample=Image.Resampling.LANCZOS)
    return np.array(image)


def rgb2X(rgb_color, target_color_space):
    if isinstance(rgb_color, np.ndarray) is False:
        rgb_color = np.array(rgb_color)
    if target_color_space == "hsv":
        return color.rgb2hsv(rgb_color)
    elif target_color_space == "yiq":
        return color.rgb2yiq(rgb_color)
    elif target_color_space == "lab":
        return color.rgb2lab(rgb_color)
    else:
        return rgb_color


def get_channels(image, color_space):
    """Get all channels from a colorspace

    Args:
        image (np.ndarray): Source RGB image
        color_space (str): colorspace

    Raises:
        NotImplementedError: Unknown color space

    Returns:
        tuple: channels
    """
    if color_space == "rgb":
        return cv2.split(image)
    elif color_space == "hsv":
        return cv2.split(cv2.cvtColor(image, cv2.COLOR_BGR2HSV))
    elif color_space == "yiq":
        return [
            ((c - np.min(c)) / (np.max(c) - np.min(c)) * 255).astype(np.uint8)
            for c in cv2.split(to_cv(color.rgb2yiq(to_pil(image))))
        ]
    elif color_space == "lab":
        return cv2.split(cv2.cvtColor(image, cv2.COLOR_BGR2LAB))
    else:
        raise NotImplementedError(f"Unknowncolorspace {color_space}")


def get_channel(image, color_space, channel):
    channels = get_channels(image=image, color_space=color_space)
    if channel in ["red", "h", "y", "l"]:
        return channels[0]
    if channel in ["green", "s", "i", "a"]:
        return channels[1]
    if channel in ["blue", "v", "q", "b"]:
        return channels[2]
    else:
        raise NotImplementedError(
            f"Unknown combination color space {color_space}, channel {channel}"
        )


def multi_and(image_list: tuple):
    """Performs an AND with all the images in the tuple

    :param image_list:
    :return: image
    """
    img_lst = [i for i in image_list if i is not None]
    list_len_ = len(img_lst)

    if list_len_ == 0:
        return None
    elif list_len_ == 1:
        return img_lst[0]
    else:
        res = cv2.bitwise_and(img_lst[0], img_lst[1])
        if len(img_lst) > 2:
            for current_image in img_lst[2:]:
                res = cv2.bitwise_and(res, current_image)

        return res


def multi_or(image_list: tuple):
    """Performs an OR with all the images in the tuple

    :param image_list:
    :return: image
    """
    img_lst = [i for i in image_list if i is not None]
    list_len_ = len(img_lst)

    if list_len_ == 0:
        return None
    elif list_len_ == 1:
        return img_lst[0]
    else:
        res = cv2.bitwise_or(img_lst[0], img_lst[1])
        if list_len_ > 2:
            for current_image in img_lst[2:]:
                res = cv2.bitwise_or(res, current_image)
        return res


def get_threshold(image, colorspace, channel, method, is_over: bool):
    channel = get_channels(image=image, color_space=colorspace)[
        color_spaces[colorspace].index(channel)
    ]
    if method == "otsu":
        threshold = threshold_otsu(channel)
    elif method == "triangle":
        threshold = threshold_triangle(channel)
    elif method == "isodata":
        threshold = threshold_isodata(channel)
    elif method == "li":
        threshold = threshold_li(channel)
    elif method == "mean":
        threshold = threshold_mean(channel)
    elif method == "minimum":
        threshold = threshold_minimum(channel)
    elif method == "yen":
        threshold = threshold_yen(channel)
    else:
        raise NotImplementedError(f"Unknown method {method}")

    return threshold, channel > threshold if is_over is True else channel < threshold


class Rectangle:
    def __init__(self, x, y, w, h, score=None, user="dummy") -> None:
        self.x = int(x)
        self.y = int(y)
        self.w = int(w)
        self.h = int(h)
        self.score = score
        self.user = user

    def __repr__(self) -> str:
        return f"[{self.x},{self.y}:{self.w},{self.h}]"

    def __str__(self) -> str:
        return f"[{self.x},{self.y}:{self.w},{self.h}]"

    def draw(self, image, color=tc.C_WHITE, thickness=2):
        return cv2.rectangle(
            image,
            pt1=(self.x1, self.y1),
            pt2=(self.x2, self.y2),
            color=color,
            thickness=thickness,
        )

    def draw_as_bbox(self, image, color=tc.C_WHITE, thickness=2):
        return cv2.circle(
            self.draw(image=image, color=color, thickness=thickness),
            center=(self.cx, self.cy),
            radius=5,
            color=tuple(reversed(color)),
            thickness=thickness,
        )

    def to_dict(self, extended: bool = False):
        out = self.__dict__
        if extended is False:
            return out
        return out | {
            "cx": self.cx,
            "cy": self.cy,
            "x1": self.x1,
            "x2": self.x2,
            "y1": self.y1,
            "y2": self.y2,
        }

    def assign(self, src):
        self.x = src.x
        self.y = src.y
        self.w = src.w
        self.h = src.h

        self.user = src.user
        self.score = src.score

    def union(self, b):
        posX = min(self.x, b.x)
        posY = min(self.y, b.y)

        res = Rectangle(
            x=posX,
            y=posY,
            w=max(self.right, b.right) - posX,
            h=max(self.bottom, b.bottom) - posY,
            user=self.user,
        )
        return res

    def intersection(self, b):
        posX = max(self.x, b.x)
        posY = max(self.y, b.y)

        candidate = Rectangle(
            x=posX,
            y=posY,
            w=min(self.right, b.right) - posX,
            h=min(self.bottom, b.bottom) - posY,
        )
        if candidate.w > 0 and candidate.h > 0:
            return candidate
        return Rectangle(0, 0, 0, 0)

    def ratio(self, b):
        return self.intersection(b).area / self.union(b).area

    def contains(self, b, ratio):
        return self.ratio(b) > ratio

    def to_bbox(self):
        return [self.x, self.y, self.right, self.bottom]

    @classmethod
    def from_row(cls, row):
        return cls(x=row.x, y=row.y, w=row.w, h=row.h)

    @classmethod
    def from_bbox(cls, bbox):
        x, y, w, h = bbox
        return cls(x=x, y=y, w=w, h=h)

    @property
    def bottom(self):
        return self.y + self.h

    @property
    def right(self):
        return self.x + self.w

    @property
    def start_row(self):
        return self.y

    @property
    def end_row(self):
        return self.y + self.h

    @property
    def start_col(self):
        return self.x

    @property
    def end_col(self):
        return self.x + self.w

    @property
    def cx(self):
        return self.x + self.w // 2

    @property
    def cy(self):
        return self.y + self.h // 2

    @property
    def x1(self):
        return self.x

    @property
    def x2(self):
        return self.x + self.w

    @property
    def y1(self):
        return self.y

    @property
    def y2(self):
        return self.y + self.h

    @property
    def area(self):
        return self.w * self.h


def get_brightness(image, bbox: Rectangle = None):
    if bbox is None:
        r, g, b = cv2.split(image)
    else:
        r, g, b = cv2.split(
            image[bbox.start_row : bbox.end_row, bbox.start_col : bbox.end_col]
        )
    return np.sqrt(
        0.241 * np.power(r.astype(float), 2)
        + 0.691 * np.power(g.astype(float), 2)
        + 0.068 * np.power(b.astype(float), 2)
    ).mean()


def get_sharpness(image):
    return cv2.Laplacian(
        cv2.cvtColor(image, cv2.COLOR_BGR2GRAY),
        cv2.CV_64F,
    ).var()


def masked_image(image, mask, background_alpha: float = 0.8):
    background = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY) * background_alpha
    background[background > 255] = 255
    background = cv2.merge([background, background, background]).astype(np.uint8)
    return cv2.bitwise_or(
        cv2.bitwise_and(background, background, mask=255 - mask),
        cv2.bitwise_and(image, image, mask=mask),
    )


def remove_empty_boxes(boxes):
    return boxes.dropna(subset=["x", "y", "w", "h"])


def draw_boxes(image, boxes, thickness=2):
    boxes_ = remove_empty_boxes(boxes=boxes)
    if len(boxes_) > 0:
        for rect in [Rectangle.from_row(row) for _, row in boxes_.iterrows()]:
            image = rect.draw(image=image, color=tc.C_FUCHSIA, thickness=thickness)
    return image


def rotate_image(image, angle):
    (h, w) = image.shape[:2]
    return cv2.warpAffine(
        image, cv2.getRotationMatrix2D((w // 2, h // 2), angle, 1.0), (w, h)
    )


def fix_brightness(
    image,
    brightness_target=70,
    bbox: Rectangle = Rectangle(10, 10, 100, 100),
    pass_through: bool = False,
):
    avg_bright = get_brightness(image=image, bbox=bbox)

    if pass_through is True:
        return image
    elif avg_bright > brightness_target:
        gamma = brightness_target / avg_bright
        if gamma != 1:
            inv_gamma = 1.0 / gamma
            table = np.array(
                [((i / 255.0) ** inv_gamma) * 255 for i in np.arange(0, 256)]
            ).astype("uint8")
            return cv2.LUT(src=image, lut=table)
        else:
            return image
    else:
        return cv2.convertScaleAbs(
            src=image,
            alpha=(brightness_target + avg_bright) / (2 * avg_bright),
            beta=(brightness_target - avg_bright) / 2,
        )


def update_data(data, new_data):
    for k, v in new_data.items():
        if k not in data:
            data[k] = []
        data[k].append(v)

    return data


def add_perceived_bightness_data(image, data):
    b, g, r = cv2.split(image)
    s = np.sqrt(
        0.241 * np.power(r.astype(float), 2)
        + 0.691 * np.power(g.astype(float), 2)
        + 0.068 * np.power(b.astype(float), 2)
    )
    return update_data(
        data=data,
        new_data={
            "cl_bright_mean": s.mean(),
            "cl_bright_std": np.std(s),
            "cl_bright_min": s.min(),
            "cl_bright_max": s.max(),
        },
    )


def add_hsv_data(image, data):
    h, s, *_ = cv2.split(cv2.cvtColor(image, cv2.COLOR_BGR2HSV))
    return update_data(
        data=data,
        new_data={
            "cl_hue_mean": h.mean(),
            "cl_hue_std": np.std(h),
            "cl_hue_min": h.min(),
            "cl_hue_max": h.max(),
            "cl_sat_mean": s.mean(),
            "cl_sat_std": np.std(s),
            "cl_sat_min": s.min(),
            "cl_sat_max": s.max(),
        },
    )


def add_lab_data(image, data):
    _, a, b = cv2.split(cv2.cvtColor(image, cv2.COLOR_BGR2LAB))
    return update_data(
        data=data,
        new_data={
            "cl_a_mean": a.mean(),
            "cl_a_std": np.std(a),
            "cl_a_min": a.min(),
            "cl_a_max": a.max(),
            "cl_b_mean": b.mean(),
            "cl_b_std": np.std(b),
            "cl_b_min": b.min(),
            "cl_b_max": b.max(),
        },
    )


def add_yiq_data(image, data):
    _, i, q = get_channels(image=image, color_space="yiq")
    return update_data(
        data=data,
        new_data={
            "cl_i_mean": i.mean(),
            "cl_i_std": np.std(i),
            "cl_i_min": i.min(),
            "cl_i_max": i.max(),
            "cl_q_mean": q.mean(),
            "cl_q_std": np.std(q),
            "cl_q_min": q.min(),
            "cl_q_max": q.max(),
        },
    )


def add_grey_comatrix_data(image, data, distances, angles) -> dict:
    graycom = feature.graycomatrix(
        cv2.cvtColor(image, cv2.COLOR_BGR2GRAY),
        [x[2] for x in distances],
        [x[2] for x in angles],
        levels=256,
    )

    new_data = {}
    for k, v in dict(
        contrast=np.array(feature.graycoprops(graycom, "contrast")),
        dissimilarity=np.array(feature.graycoprops(graycom, "dissimilarity")),
        homogeneity=np.array(feature.graycoprops(graycom, "homogeneity")),
        energy=np.array(feature.graycoprops(graycom, "energy")),
        correlation=np.array(feature.graycoprops(graycom, "correlation")),
        asm=np.array(feature.graycoprops(graycom, "ASM")),
    ).items():
        for e in itertools.product(distances, angles):
            new_data[f"gp_{k}_{e[0][0]}_{e[1][0]}"] = v[e[0][1]][e[1][1]]

    return update_data(data=data, new_data=new_data)


def get_sharpness(image):
    return cv2.Laplacian(
        cv2.cvtColor(image, cv2.COLOR_BGR2GRAY),
        cv2.CV_64F,
    ).var()


def add_image_data(
    df,
    file_path_column,
    path_to_images=None,
    distances=[["d1", 0, 1], ["d10", 1, 10]],
    angles=[["a0", 0, 0], ["api4", 1, np.pi / 4]],
    image_size: int = 0,
):
    patch_data = defaultdict(list)
    for file_path in tqdm(df[file_path_column], desc="Embedding image data"):
        image = load_image(file_name=file_path, file_path=path_to_images)
        if image_size > 0:
            image = cv2.resize(image, dsize=(image_size, image_size))
        patch_data[file_path_column].append(file_path)
        patch_data = add_perceived_bightness_data(image=image, data=patch_data)
        patch_data = add_hsv_data(image=image, data=patch_data)
        patch_data = add_lab_data(image=image, data=patch_data)
        patch_data = add_yiq_data(image=image, data=patch_data)
        patch_data = add_grey_comatrix_data(
            image=image,
            data=patch_data,
            distances=distances,
            angles=angles,
        )
        patch_data["sharpness"].append(get_sharpness(image))

    return pd.merge(
        left=df, right=pd.DataFrame(data=patch_data), on=file_path_column, how="left"
    )


def filter_contours(mask, min_contour_size):
    return cv2.bitwise_and(
        cv2.drawContours(
            np.zeros_like(mask),
            [
                c
                for c in cv2.findContours(
                    mask, cv2.RETR_LIST, cv2.CHAIN_APPROX_TC89_L1
                )[-2:-1][0]
                if cv2.contourArea(c) > min_contour_size and c.any()
            ],
            -1,
            255,
            -1,
        ),
        mask,
    )
    return (
        cv2.drawContours(
            mask,
            contours=[
                c
                for c in get_external_contours(mask)
                if cv2.contourArea(c) < min_contour_size
            ],
            contourIdx=-1,
            color=0,
            thickness=-1,
        )
        if min_contour_size > 0
        else mask
    )


def get_raw_mask(
    image,
    thresholds: list,
    min_contour_size: int = 0,
    bitwise_op: str = "and",
    delete_over: int = -1,
):
    """Create a mask seed fh,or SAM

    Args:
        image (np.array): Source image
        thresholds (list): list of thresholds to be applies
        cm_min_contour_size (int): Contours below threshold will be discarded
    """
    mask = thresholds[0].threshold(image)
    for threshold in thresholds[1:]:
        if bitwise_op == "and":
            mask = cv2.bitwise_and(mask, threshold.threshold(image))
        elif bitwise_op == "or":
            mask = cv2.bitwise_or(mask, threshold.threshold(image))
        else:
            raise NotImplementedError

    if min_contour_size > 0:
        mask = filter_contours(mask, min_contour_size=min_contour_size)

    if delete_over > 0:
        h, w = mask.shape
        mask = cv2.bitwise_and(
            mask,
            cv2.circle(
                np.zeros_like(mask),
                center=(w // 2, h // 2),
                color=255,
                radius=delete_over,
                thickness=-1,
            ),
        )

    return mask


def build_distance_map(
    mask, threshold: float = 0.8, demo: bool = False, label: int = 1
):
    dist_transform = cv2.distanceTransform(
        mask, cv2.DIST_L2, cv2.DIST_MASK_PRECISE
    ).astype(np.uint8)
    threshold = np.max(dist_transform) * threshold
    ret = dist_transform.copy()
    ret[ret >= threshold] = 255
    ret[ret < threshold] = 0
    dt = (dist_transform.astype(float) / np.max(dist_transform) * 255).astype(np.uint8)
    dt = cv2.equalizeHist(dist_transform)
    if demo is True:
        if label == 1:
            return cv2.merge([np.zeros_like(mask), ret, np.zeros_like(mask)])
        elif label == 0:
            return cv2.merge([ret, np.zeros_like(mask), np.zeros_like(mask)])
        else:
            raise NotImplementedError
    else:
        return ret


def get_contours(mask, retrieve_mode, method):
    return [
        c
        for c in cv2.findContours(mask.copy(), retrieve_mode, method)[-2:-1][0]
        if cv2.contourArea(c, True) < 0
    ]


def get_seeds(
    mask, modes: dict = {"rnd": 10}, label: int = 1, max_seeds: int = 0
) -> dict:
    input_points = pd.Series()
    if "rnd" in modes:
        nz = np.count_nonzero(mask)
        if nz > 0:
            input_points = pd.concat(
                [
                    input_points,
                    pd.Series([list(p[0]) for p in cv2.findNonZero(mask)]).sample(
                        n=nz // modes["rnd"]
                    ),
                ]
            )
    if "dist" in modes:
        dt = cv2.equalizeHist(
            cv2.distanceTransform(mask, cv2.DIST_L2, cv2.DIST_MASK_PRECISE).astype(
                np.uint8
            )
        )
        nz = np.count_nonzero(dt)
        if nz > 0:
            candidates = cv2.findNonZero(dt)
            input_points = pd.concat(
                [
                    input_points,
                    pd.Series(
                        [
                            p[0]
                            for p in random.choices(
                                population=candidates,
                                weights=list(dt[np.nonzero(dt)] / 255),
                                k=candidates.size // int(modes["dist"]),
                            )
                        ]
                    ),
                ]
            )

    if len(input_points) > max_seeds:
        input_points = input_points.sample(n=max_seeds)
    input_points = np.array(input_points.to_list())

    return {
        "input_points": input_points,
        "input_labels": np.array([label for _ in range(len(input_points))]),
    }


def get_grid(mask, dots_per_rc):
    grid = np.zeros_like(mask)
    step = np.max(grid.shape[:2]) // dots_per_rc
    grid[::step, ::step] = 1
    grid[step // 2 :: step, step // 2 :: step] = 1
    return grid.astype(np.uint8)


def get_grid_seeds(
    mask_keep, mask_discard, keep_dots_per_row: int, discard_dots_per_row: int
):
    keep_points = np.array(
        [
            p[0]
            for p in cv2.findNonZero(
                cv2.bitwise_and(
                    mask_keep, get_grid(mask=mask_keep, dots_per_rc=keep_dots_per_row)
                )
            )
        ]
    )

    discard_points = np.array(
        [
            p[0]
            for p in cv2.findNonZero(
                cv2.bitwise_and(
                    mask_discard,
                    get_grid(mask=mask_discard, dots_per_rc=discard_dots_per_row),
                )
            )
        ]
    )

    return merge_seeds(
        [
            {
                "input_points": keep_points,
                "input_labels": np.array([1 for _ in range(len(keep_points))]),
            },
            {
                "input_points": discard_points,
                "input_labels": np.array([0 for _ in range(len(discard_points))]),
            },
        ]
    )


def merge_seeds(seeds_list: list):
    try:
        return {
            "input_points": np.concatenate(
                [a["input_points"] for a in seeds_list if a["input_points"].size > 0]
            ),
            "input_labels": np.concatenate(
                [a["input_labels"] for a in seeds_list if a["input_labels"].size > 0]
            ),
        }
    except Exception as e:
        return {
            "input_points": np.array([]),
            "input_labels": np.array([]),
        }


def enlarge_contours(mask, increase_by) -> list:
    return Morphologer(
        op="dilate", kernel_size=increase_by, proc_count=1, kernel=cv2.MORPH_ELLIPSE
    )(mask)


class Morphologer:
    allowed_ops = ["none", "erode", "dilate", "open", "close"]

    def __init__(
        self, op=None, kernel_size=3, proc_count=1, kernel=cv2.MORPH_RECT
    ) -> None:
        self.op = op
        self.kernel_size = kernel_size
        self.proc_count = proc_count
        self.kernel = kernel

    def __call__(self, mask) -> Any:
        return self.process(mask=mask)

    def __repr__(self) -> str:
        return f"{self.op}|{self.kernel_size}|{self.proc_count}|{self.kernel}"

    def to_json(self):
        return self.__dict__

    def from_json(self, d: dict):
        for k, v in d.items():
            setattr(self, k, v)

    @classmethod
    def create_from_json(cls, d: dict):
        out = cls()
        out.from_json(d)
        return out

    def update(self, op, kernel_size, proc_count, kernel):
        self.op = op
        self.kernel_size = kernel_size
        self.proc_count = proc_count
        self.kernel = kernel

    def process(self, mask):
        if self.kernel_size > 2:
            if self.op == "erode":
                op = cv2.MORPH_ERODE
            elif self.op == "dilate":
                op = cv2.MORPH_DILATE
            elif self.op == "open":
                op = cv2.MORPH_OPEN
            elif self.op == "close":
                op = cv2.MORPH_CLOSE
            elif self.op == "none":
                return mask
            else:
                raise NotImplementedError

            for _ in range(self.proc_count):
                mask = cv2.morphologyEx(
                    mask,
                    op=op,
                    kernel=cv2.getStructuringElement(
                        shape=self.kernel, ksize=(self.kernel_size, self.kernel_size)
                    ),
                )
        return mask


class Thresholder:
    def __init__(
        self,
        color_space: str = "hsv",
        channel: str = "h",
        min=0,
        max=255,
    ) -> None:
        self.color_space = color_space
        self.channel = channel
        self.min = min
        self.max = max

    def __repr__(self) -> str:
        return f"{self.color_space}|{self.channel}|{self.min}|{self.max}"

    def __str__(self) -> str:
        return f"{self.color_space}, {self.channel}: {self.min}->{self.max}"

    def update(self, min_max):
        self.min = min_max[0]
        self.max = min_max[1]

    def to_json(self):
        return self.__dict__

    def from_json(self, d: dict):
        for k, v in d.items():
            setattr(self, k, v)

    @classmethod
    def create_from_json(cls, d: dict):
        out = cls()
        out.from_json(d)
        return out

    def threshold(self, image):
        channel = get_channel(
            image=image, color_space=self.color_space, channel=self.channel
        )
        return cv2.inRange(channel, self.min, self.max)

    def __call__(self, image) -> Any:
        return self.threshold(image=image)

    @property
    def display_name(self) -> str:
        return f"{self.color_space}: {self.channel}"

    @property
    def as_tuple(self) -> tuple:
        return self.min, self.max


def check_hue(
    image, mask, cnt, ok_hue_thresholder: Thresholder, ok_hue_pxl_ratio: float = 0.2
):
    x, y, w, h = [int(i) for i in cv2.boundingRect(cnt)]
    masked_image = cv2.bitwise_and(
        image, image, mask=cv2.drawContours(np.zeros_like(mask), [cnt], -1, 255, -1)
    )
    box_hue = cv2.split(
        cv2.cvtColor(masked_image[y : y + h, x : x + w], cv2.COLOR_RGB2HSV)
    )[0]
    return (
        box_hue[
            (box_hue > ok_hue_thresholder.min) & (box_hue < ok_hue_thresholder.max)
        ].size
        > np.count_nonzero(box_hue) * ok_hue_pxl_ratio
    )


def get_distance_data(hull, origin, max_dist):
    """
    Calculates distances from origin to contour barycenter,
    also returns surface data
    :param hull:
    :param origin:
    :param max_dist:
    :return: dict
    """
    m = cv2.moments(hull)
    if m["m00"] != 0:
        cx_ = int(m["m10"] / m["m00"])
        cy_ = int(m["m01"] / m["m00"])
        dist_ = math.sqrt(math.pow(cx_ - origin.x, 2) + math.pow(cy_ - origin.y, 2))
        dist_scaled_inverted = 1 - dist_ / max_dist
        res_ = dict(
            dist=dist_,
            cx=cx_,
            cy=cy_,
            dist_scaled_inverted=dist_scaled_inverted,
            area=cv2.contourArea(hull),
            scaled_area=cv2.contourArea(hull) * math.pow(dist_scaled_inverted, 2),
        )
    else:
        res_ = dict(
            dist=0,
            cx=0,
            cy=0,
            dist_scaled_inverted=0,
            area=0,
            scaled_area=0,
        )
    return res_


def check_size(cnt, tolerance_area):
    return (tolerance_area is not None) and (
        (tolerance_area < 0) or cv2.contourArea(cnt) >= tolerance_area
    )


def is_contour_overlap(mask, cmp_contour, master_contour) -> bool:
    cmp_image = cv2.drawContours(np.zeros_like(mask), [cmp_contour], -1, 255, -1)
    master_image = cv2.drawContours(np.zeros_like(mask), [master_contour], -1, 255, -1)
    return cv2.bitwise_and(cmp_image, master_image).any() == True


def is_distance_ok(mask, cmp_contour, master_contour, tolerance_distance=None) -> bool:
    # print(cv2.minEnclosingCircle(cmp_contour))
    cmp_image = enlarge_contours(
        cv2.drawContours(np.zeros_like(mask), [cmp_contour], -1, 255, -1),
        increase_by=tolerance_distance,
    )
    # print(cv2.minEnclosingCircle(get_external_contours(cmp_image)[0]))

    # print(cv2.minEnclosingCircle(master_contour))
    master_image = enlarge_contours(
        cv2.drawContours(np.zeros_like(mask), [master_contour], -1, 255, -1),
        increase_by=tolerance_distance,
    )
    # print(cv2.minEnclosingCircle(get_external_contours(master_image)[0]))

    bit_image = cv2.bitwise_and(cmp_image, master_image)
    return bit_image.any() == True


def fast_check_contour(
    mask, cmp_contour, master_contour, tolerance_area=None, tolerance_distance=None
):
    # Check contour intersection
    if is_contour_overlap(
        mask=mask, cmp_contour=cmp_contour, master_contour=master_contour
    ):
        return tc.KLC_OVERLAPS

    # Check contour distance
    ok_dist = is_distance_ok(mask, cmp_contour, master_contour, tolerance_distance)

    # Check contour size
    ok_size = check_size(cnt=cmp_contour, tolerance_area=tolerance_area)

    if ok_size and ok_dist:
        return tc.KLC_OK_TOLERANCE
    elif not ok_size and not ok_dist:
        return tc.KLC_SMALL_FAR
    elif not ok_size:
        return tc.KLC_SMALL
    elif not ok_dist:
        return tc.KLC_FAR


# MARK: fast Keep linled contours
def fast_keep_linked_contours(
    src_mask,
    tolerance_distance: int,
    tolerance_area: int,
    morph_op: Morphologer,
    min_contour_size: int = 0,
    epsilon: float = 0.001,
    skip_linked_contours: bool = False,
    mean_channel_data: dict = None,
    source_image=None,
) -> dict:
    mask = src_mask.copy()
    # Delete all small contours
    if min_contour_size > 0:
        mask = filter_contours(mask=mask, min_contour_size=min_contour_size)

    # Apply morphology operation to remove vnoise
    if morph_op is not None:
        mask = morph_op(mask)

    contours = get_external_contours(mask)
    # print(len(contours))
    # ret = []
    # canvas = cv2.drawContours(
    #     cv2.merge([np.zeros_like(src_mask) for _ in range(3)]),
    #     contours,
    #     -1,
    #     tc.C_WHITE,
    #     -1,
    # )
    # canvas = cv2.drawContours(canvas, contours, -1, tc.C_FUCHSIA, 4)
    # ret.append(canvas)

    # Skip if not Enough contours
    if len(contours) == 0:
        return {
            "im_clean_mask": np.zeros_like(src_mask),
            "im_clean_mask_demo": cv2.merge(
                [
                    np.zeros_like(src_mask),
                    np.zeros_like(src_mask),
                    np.zeros_like(src_mask),
                ]
            ),
        }
    elif len(contours) == 1 or skip_linked_contours is True:
        clean_mask = cv2.bitwise_and(
            src_mask,
            cv2.drawContours(
                image=np.zeros_like(mask),
                contours=contours,
                contourIdx=-1,
                color=255,
                thickness=-1,
            ),
        )
        return {
            "im_clean_mask": clean_mask,
            "im_clean_mask_demo": cv2.merge(
                [
                    src_mask,
                    clean_mask,
                    cv2.drawContours(
                        image=np.zeros_like(mask),
                        contours=[
                            cv2.approxPolyDP(
                                cnt, epsilon * cv2.arcLength(cnt, True), True
                            )
                            for cnt in contours
                        ],
                        contourIdx=-1,
                        color=255,
                        thickness=-1,
                    ),
                ]
            ),
        }

    # Find root contour
    if mean_channel_data is not None and source_image is not None:
        # Use contour with matching mean color
        channel = get_channel(
            image=source_image,
            color_space=mean_channel_data["color_space"],
            channel=mean_channel_data["channel"],
        )
        df = pd.DataFrame(
            data={
                "area": [cv2.contourArea(c) for c in contours],
                "mean_dist": [
                    abs(
                        cv2.mean(
                            src=channel.flatten(),
                            mask=cv2.drawContours(
                                np.zeros_like(mask), [c], -1, 255, -1
                            ).flatten(),
                        )[0]
                        - mean_channel_data["mean"]
                    )
                    for c in contours
                ],
            }
        )
        if abs(df.mean_dist.min() - df.mean_dist.max()) < 4:
            root_index = df[df.area == df.area.max()].index[0]
        else:
            X = np.reshape(df.mean_dist.to_list(), (-1, 1))
            ms = MeanShift()
            ms.fit(X)
            df["level"] = ms.predict(X)
            df["level_dist_min"] = (
                df.groupby("level").transform(lambda x: x.mean()).mean_dist
            )
            df = df[df["level_dist_min"] == df["level_dist_min"].min()]
            root_index = df[df.area == df.area.max()].index[0]

        root_contour = contours[root_index]
        good_contours = [contours.pop(root_index)]
        unknown_contours = []
    else:
        # Use bigger contour in the center

        # Find the largest contour
        root_contour = contours[0]
        big_idx = 0
        h, w = src_mask.shape
        roi_root = Circle(w // 2, h // 2, max(h, w) // 2)
        dist_max = roi_root.r

        max_area = 0
        for i, contour in enumerate(contours):
            morph_dict = get_distance_data(contour, roi_root, dist_max)

            if morph_dict["scaled_area"] > max_area:
                max_area = morph_dict["scaled_area"]
                root_contour = contour
                big_idx = i

        # parse all contours and switch
        good_contours = [contours.pop(big_idx)]
        unknown_contours = []

    # print(len(contours) + len(good_contours))
    # canvas = cv2.drawContours(
    #     cv2.merge([np.zeros_like(src_mask) for _ in range(3)]),
    #     contours,
    #     -1,
    #     tc.C_WHITE,
    #     -1,
    # )
    # canvas = cv2.drawContours(canvas, contours, -1, tc.C_FUCHSIA, 4)
    # # canvas = cv2.drawContours(canvas, good_contours, -1, tc.C_GREEN, -1)
    # canvas = cv2.drawContours(canvas, good_contours, -1, tc.C_LIME, 4)
    # ret.append(canvas)
    # return ret

    while len(contours) > 0:
        contour = contours.pop()
        res = fast_check_contour(
            mask=src_mask,
            cmp_contour=contour,
            master_contour=root_contour,
            tolerance_area=tolerance_area,
            tolerance_distance=tolerance_distance,
        )
        if res == tc.KLC_FULLY_INSIDE:
            pass
        elif res in [tc.KLC_OVERLAPS, tc.KLC_OK_TOLERANCE]:
            good_contours.append(contour)
        else:
            unknown_contours.append(contour)

    # Try to aggregate unknown contours to good contours
    stable = False
    while not stable:
        stable = True
        i = 0
        iter_count = 1
        while i < len(unknown_contours):
            contour = unknown_contours[i]
            res = tc.KLC_SMALL_FAR
            for good_contour in good_contours:
                res = fast_check_contour(
                    mask=src_mask,
                    cmp_contour=contour,
                    master_contour=good_contour,
                    tolerance_area=tolerance_area,
                    tolerance_distance=tolerance_distance,
                )
                if res == tc.KLC_FULLY_INSIDE:
                    del unknown_contours[i]
                    stable = False
                    break
                elif res in [tc.KLC_OVERLAPS, tc.KLC_OK_TOLERANCE]:
                    good_contours.append(unknown_contours.pop(i))
                    stable = False
                    break
                elif res in [
                    tc.KLC_SMALL_FAR,
                    tc.KLC_SMALL,
                    tc.KLC_FAR,
                ]:
                    pass
            if res in [
                tc.KLC_SMALL_FAR,
                tc.KLC_SMALL,
                tc.KLC_FAR,
            ]:
                i += 1
        iter_count += 1

    # At this point we have the zone were the contours are allowed to be
    contour_template = cv2.bitwise_and(
        cv2.drawContours(np.zeros_like(mask), good_contours, -1, 255, -1),
        mask,
    )
    out_mask = np.zeros_like(mask)
    for cnt in get_contours(src_mask, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE):
        if (
            cv2.contourArea(cnt, oriented=True) < 0
            and cv2.bitwise_and(
                contour_template,
                cv2.drawContours(np.zeros_like(mask), [cnt], 0, 255, -1),
            ).any()
        ):
            out_mask = cv2.drawContours(out_mask, [cnt], 0, 255, -1)

    im_clean_mask = cv2.bitwise_and(out_mask, src_mask)

    im_clean_mask_demo = cv2.merge(
        [np.zeros_like(src_mask), np.zeros_like(src_mask), np.zeros_like(src_mask)]
    )
    for contour in good_contours:
        im_clean_mask_demo = cv2.drawContours(
            im_clean_mask_demo, [contour], 0, tc.C_WHITE, -1
        )
    im_clean_mask_demo = cv2.drawContours(
        im_clean_mask_demo, [root_contour], 0, tc.C_GREEN, -1
    )
    for contour in unknown_contours:
        ok_size = check_size(cnt=contour, tolerance_area=tolerance_area)
        ok_distance = is_distance_ok(
            mask=im_clean_mask,
            cmp_contour=contour,
            master_contour=good_contours[0],
            tolerance_distance=tolerance_distance,
        )
        contour_color = (
            bgr_to_rgb(tc.C_FUCHSIA)
            if ok_distance is False and ok_size is False
            else bgr_to_rgb(tc.C_RED) if ok_size is False else bgr_to_rgb(tc.C_BLUE)
        )
        im_clean_mask_demo = cv2.drawContours(
            im_clean_mask_demo, [contour], 0, contour_color, -1
        )
    im_clean_mask_demo = cv2.bitwise_and(
        im_clean_mask_demo, im_clean_mask_demo, mask=src_mask
    )
    return {
        "im_clean_mask": im_clean_mask,
        "im_clean_mask_demo": im_clean_mask_demo,
    }


def get_cnt_center(cnt):
    mmnt = cv2.moments(cnt)
    return int(mmnt["m10"] / mmnt["m00"]), int(mmnt["m01"] / mmnt["m00"])


def dbg_min_distance(mask, cnt1, cnt2):
    if cv2.bitwise_and(
        cv2.drawContours(mask, [cnt1], -1, 255, -1),
        cv2.drawContours(mask, [cnt2], -1, 255, -1),
    ).any():
        return 0, get_cnt_center(cnt1), get_cnt_center(cnt2)
    min_dist = 1000000000000
    for cur_pt1 in cnt1:
        for cur_pt2 in cnt2:
            cur_dist = cv2.norm(cur_pt1, cur_pt2)
            if abs(cur_dist) < min_dist:
                min_dist = abs(cur_dist)
                pt1 = cur_pt1
                pt2 = cur_pt2
    return min_dist, pt1[0], pt2[0]


def min_distance(mask, cnt1, cnt2):
    if cv2.bitwise_and(
        cv2.drawContours(np.zeros_like(mask), [cnt1], -1, 255, -1),
        cv2.drawContours(np.zeros_like(mask), [cnt2], -1, 255, -1),
    ).any():
        return 0
    return min(*[cv2.norm(pt1, pt2) for pt1, pt2 in itertools.product(cnt1, cnt2)])


def check_dist(distance, tolerance_distance):
    return (tolerance_distance is not None) and (
        tolerance_distance < 0 or distance <= tolerance_distance
    )


def check_hull(
    mask, cmp_hull, master_hull, tolerance_area=None, tolerance_distance=None
):
    # Check hull intersection
    if cv2.bitwise_and(
        cv2.drawContours(np.zeros_like(mask), [cmp_hull], -1, 255, -1),
        cv2.drawContours(np.zeros_like(mask), [master_hull], -1, 255, -1),
    ).any():
        return tc.KLC_OVERLAPS

    # Check point to point
    min_dist = min_distance(mask=mask, cnt1=cmp_hull, cnt2=master_hull)
    if min_dist <= 0:
        return tc.KLC_OVERLAPS
    else:
        ok_size = check_size(cnt=cmp_hull, tolerance_area=tolerance_area)
        ok_dist = check_dist(distance=min_dist, tolerance_distance=tolerance_distance)
        if ok_size and ok_dist:
            return tc.KLC_OK_TOLERANCE
        elif not ok_size and not ok_dist:
            return tc.KLC_SMALL_FAR
        elif not ok_size:
            return tc.KLC_SMALL
        elif not ok_dist:
            return tc.KLC_FAR


# MARK: Keep linled contours
def keep_linked_contours(
    src_mask,
    tolerance_distance: int,
    tolerance_area: int,
    morph_op: Morphologer,
    min_contour_size: int = 0,
    epsilon: float = 0.001,
    skip_linked_contours: bool = False,
    mean_channel_data: dict = None,
    source_image=None,
) -> dict:
    mask = src_mask.copy()
    # Delete all small contours
    if min_contour_size > 0:
        mask = filter_contours(mask=mask, min_contour_size=min_contour_size)

    # Apply morphology operation to remove vnoise
    if morph_op is not None:
        mask = morph_op(mask)

    contours = get_external_contours(mask)

    if len(contours) == 0:
        return {
            "im_clean_mask": np.zeros_like(src_mask),
            "im_clean_mask_demo": cv2.merge(
                [
                    np.zeros_like(src_mask),
                    np.zeros_like(src_mask),
                    np.zeros_like(src_mask),
                ]
            ),
        }
    elif len(contours) == 1 or skip_linked_contours is True:
        clean_mask = cv2.bitwise_and(
            src_mask,
            cv2.drawContours(
                image=np.zeros_like(mask),
                contours=contours,
                contourIdx=-1,
                color=255,
                thickness=-1,
            ),
        )
        return {
            "im_clean_mask": clean_mask,
            "im_clean_mask_demo": cv2.merge(
                [
                    src_mask,
                    clean_mask,
                    cv2.drawContours(
                        image=np.zeros_like(mask),
                        contours=[
                            cv2.approxPolyDP(
                                cnt, epsilon * cv2.arcLength(cnt, True), True
                            )
                            for cnt in contours
                        ],
                        contourIdx=-1,
                        color=255,
                        thickness=-1,
                    ),
                ]
            ),
        }

    if mean_channel_data is not None and source_image is not None:
        channel = get_channel(
            image=source_image,
            color_space=mean_channel_data["color_space"],
            channel=mean_channel_data["channel"],
        )
        contours = get_external_contours(mask)
        df = pd.DataFrame(
            data={
                "area": [cv2.contourArea(c) for c in contours],
                "mean_dist": [
                    abs(
                        cv2.mean(
                            src=channel.flatten(),
                            mask=cv2.drawContours(
                                np.zeros_like(mask), [c], -1, 255, -1
                            ).flatten(),
                        )[0]
                        - mean_channel_data["mean"]
                    )
                    for c in contours
                ],
            }
        )
        if abs(df.mean_dist.min() - df.mean_dist.max()) < 4:
            root_index = df[df.area == df.area.max()].index[0]
        else:
            X = np.reshape(df.mean_dist.to_list(), (-1, 1))
            ms = MeanShift()
            ms.fit(X)
            df["level"] = ms.predict(X)
            df["level_dist_min"] = (
                df.groupby("level").transform(lambda x: x.mean()).mean_dist
            )
            df = df[df["level_dist_min"] == df["level_dist_min"].min()]
            root_index = df[df.area == df.area.max()].index[0]

        hulls = [
            cv2.approxPolyDP(cnt, epsilon * cv2.arcLength(cnt, True), True)
            for cnt in contours
        ]
        root_hull = hulls[root_index]
        good_hulls = [hulls.pop(root_index)]
        unknown_hulls = []
    else:
        # Transform all contours into approximations
        hulls = [
            cv2.approxPolyDP(cnt, epsilon * cv2.arcLength(cnt, True), True)
            for cnt in contours
        ]

        # Find the largest hull
        root_hull = hulls[0]
        big_idx = 0
        h, w = src_mask.shape
        roi_root = Circle(w // 2, h // 2, max(h, w) // 2)
        dist_max = roi_root.r

        max_area = 0
        for i, hull in enumerate(hulls):
            morph_dict = get_distance_data(hull, roi_root, dist_max)

            if morph_dict["scaled_area"] > max_area:
                max_area = morph_dict["scaled_area"]
                root_hull = hull
                big_idx = i

        # parse all hulls and switch
        good_hulls = [hulls.pop(big_idx)]
        unknown_hulls = []

    while len(hulls) > 0:
        hull = hulls.pop()
        res = check_hull(
            mask=src_mask,
            cmp_hull=hull,
            master_hull=root_hull,
            tolerance_area=tolerance_area,
            tolerance_distance=tolerance_distance,
        )
        if res == tc.KLC_FULLY_INSIDE:
            pass
        elif res in [tc.KLC_OVERLAPS, tc.KLC_OK_TOLERANCE]:
            good_hulls.append(hull)
        else:
            unknown_hulls.append(hull)

    # Try to aggregate unknown hulls to good hulls
    stable = False
    while not stable:
        stable = True
        i = 0
        iter_count = 1
        while i < len(unknown_hulls):
            hull = unknown_hulls[i]
            res = tc.KLC_SMALL_FAR
            for good_hull in good_hulls:
                res = check_hull(
                    mask=src_mask,
                    cmp_hull=hull,
                    master_hull=good_hull,
                    tolerance_area=tolerance_area,
                    tolerance_distance=tolerance_distance,
                )
                if res == tc.KLC_FULLY_INSIDE:
                    del unknown_hulls[i]
                    stable = False
                    break
                elif res in [tc.KLC_OVERLAPS, tc.KLC_OK_TOLERANCE]:
                    good_hulls.append(unknown_hulls.pop(i))
                    stable = False
                    break
                elif res in [
                    tc.KLC_SMALL_FAR,
                    tc.KLC_SMALL,
                    tc.KLC_FAR,
                ]:
                    pass
            if res in [
                tc.KLC_SMALL_FAR,
                tc.KLC_SMALL,
                tc.KLC_FAR,
            ]:
                i += 1
        iter_count += 1

    # At this point we have the zone were the contours are allowed to be
    hull_template = cv2.bitwise_and(
        cv2.drawContours(np.zeros_like(mask), good_hulls, -1, 255, -1),
        mask,
    )
    out_mask = np.zeros_like(mask)
    for cnt in get_contours(src_mask, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE):
        if (
            cv2.contourArea(cnt, oriented=True) < 0
            and cv2.bitwise_and(
                hull_template,
                cv2.drawContours(np.zeros_like(mask), [cnt], 0, 255, -1),
            ).any()
        ):
            out_mask = cv2.drawContours(out_mask, [cnt], 0, 255, -1)

    im_clean_mask = cv2.bitwise_and(out_mask, src_mask)

    im_clean_mask_demo = cv2.merge(
        [np.zeros_like(src_mask), np.zeros_like(src_mask), np.zeros_like(src_mask)]
    )
    for hull in good_hulls:
        im_clean_mask_demo = cv2.drawContours(
            im_clean_mask_demo, [hull], 0, tc.C_WHITE, -1
        )
    im_clean_mask_demo = cv2.drawContours(
        im_clean_mask_demo, [root_hull], 0, tc.C_GREEN, -1
    )
    for hull in unknown_hulls:
        ok_size = check_size(cnt=hull, tolerance_area=tolerance_area)
        min_dist = (
            min_distance(im_clean_mask_demo, hull, good_hulls[0])
            if len(good_hulls) == 1
            else min(
                *[
                    min_distance(im_clean_mask_demo, hull, good_hull)
                    for good_hull in good_hulls
                ]
            )
        )
        ok_distance = check_dist(distance=min_dist, tolerance_distance=tolerance_area)
        contour_color = (
            bgr_to_rgb(tc.C_FUCHSIA)
            if ok_distance is False and ok_size is False
            else bgr_to_rgb(tc.C_RED) if ok_size is False else bgr_to_rgb(tc.C_BLUE)
        )
        im_clean_mask_demo = cv2.drawContours(
            im_clean_mask_demo, [hull], 0, contour_color, -1
        )
    im_clean_mask_demo = cv2.bitwise_and(
        im_clean_mask_demo, im_clean_mask_demo, mask=src_mask
    )
    return {
        "im_clean_mask": im_clean_mask,
        "im_clean_mask_demo": im_clean_mask_demo,
    }


def get_external_contours(mask):
    external_contours = []
    contours, hierarchys = cv2.findContours(
        mask, mode=cv2.RETR_TREE, method=cv2.CHAIN_APPROX_NONE
    )
    if len(contours) == 0:
        return []
    for cnt, hier in zip(contours, hierarchys[0]):
        if hier[-1] == -1:
            external_contours.append(cnt)
    if len(external_contours) == 0:
        return []
    external_contours.sort(key=lambda x: cv2.contourArea(x, oriented=False))
    return external_contours


def get_internal_contours(mask):
    internal_contours = []
    contours, hierarchys = cv2.findContours(
        mask, mode=cv2.RETR_TREE, method=cv2.CHAIN_APPROX_SIMPLE
    )
    if len(contours) == 0:
        return []
    for cnt, hier in zip(contours, hierarchys[0]):
        if hier[-1] != -1:
            internal_contours.append(cnt)
    if len(internal_contours) == 0:
        return []
    internal_contours.sort(key=lambda x: cv2.contourArea(x, oriented=False))
    return internal_contours


def get_filled_contours(mask):
    return [
        cnt
        for cnt in cv2.findContours(mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)[0]
        if cv2.bitwise_and(
            mask, cv2.drawContours(np.zeros_like(mask), [cnt], -1, 255, -1)
        ).any()
        == True
    ]


def get_main_contour(mask):
    external_contours = get_external_contours(mask)
    if len(external_contours) == 0:
        return None
    elif len(external_contours) == 1:
        return external_contours[0]
    else:
        big_idx = 0
        h, w = mask.shape
        roi_root = Circle(w // 2, h // 2, max(h, w) // 2)
        dist_max = roi_root.r

        max_area = 0
        for i, hull in enumerate(external_contours):
            morph_dict = get_distance_data(hull, roi_root, dist_max)

            if morph_dict["scaled_area"] > max_area:
                max_area = morph_dict["scaled_area"]
                big_idx = i

        return external_contours[big_idx]


def get_suspect_contours(mask):
    external_contours = get_external_contours(mask)
    if len(external_contours) == 0:
        return []
    big_idx = 0
    h, w = mask.shape
    roi_root = Circle(w // 2, h // 2, max(h, w) // 2)
    dist_max = roi_root.r

    max_area = 0
    for i, hull in enumerate(external_contours):
        morph_dict = get_distance_data(hull, roi_root, dist_max)

        if morph_dict["scaled_area"] > max_area:
            max_area = morph_dict["scaled_area"]
            big_idx = i

    external_contours.pop(big_idx)

    return external_contours


def get_contours_dict(mask):
    main = get_main_contour(mask)
    internal = get_internal_contours(mask)
    suspect = get_suspect_contours(mask)
    ret = {}
    if main is not None:
        ret["main"] = main
    if internal:
        ret["internal"] = internal
    if suspect:
        ret["suspect"] = suspect
    return ret


def find_matches(
    previous_image,
    previous_mask,
    current_image,
    current_mask,
    safe_ratio: float = 0.5,
    plot_debug: dict = {},
):
    desc_extractor = SIFT()
    # Previous image
    masked_previous_image = cv2.equalizeHist(
        cv2.cvtColor(
            cv2.bitwise_and(previous_image, previous_image, mask=previous_mask),
            cv2.COLOR_RGB2GRAY,
        )
    )
    desc_extractor.detect_and_extract(masked_previous_image)
    kp_previous = desc_extractor.keypoints
    desc_previous = desc_extractor.descriptors
    # Current image
    masked_current_image = cv2.equalizeHist(
        cv2.cvtColor(
            cv2.bitwise_and(current_image, current_image, mask=current_mask),
            cv2.COLOR_RGB2GRAY,
        )
    )
    desc_extractor.detect_and_extract(masked_current_image)
    kp_current = desc_extractor.keypoints
    desc_current = desc_extractor.descriptors
    # Find matches
    matches = match_descriptors(
        desc_previous, desc_current, max_ratio=0.8, cross_check=True
    )
    matches_previous = kp_previous[matches[:, 0]]
    matches_current = kp_current[matches[:, 1]]
    distances = np.array(
        [np.linalg.norm(p1 - p2) for p1, p2 in zip(matches_previous, matches_current)]
    )
    matches_previous = matches_previous[
        (distances < np.median(distances) / safe_ratio)
        & (distances > np.median(distances) * safe_ratio)
    ]
    matches_current = matches_current[
        (distances < np.median(distances) / safe_ratio)
        & (distances > np.median(distances) * safe_ratio)
    ]
    if plot_debug:
        if "ax" in plot_debug:
            ax = plot_debug["ax"]
        else:
            _, ax = plt.subplots(nrows=1, ncols=1, figsize=(20, 10))
        plot_matches(
            ax=ax,
            image1=plot_debug["previous"],
            image2=plot_debug["current"],
            keypoints1=kp_previous,
            keypoints2=kp_current,
            matches=matches,
            only_matches=plot_debug.get("only_matches", True),
        )
        ax.axis("off")
        if "title" in plot_debug:
            ax.set_title(plot_debug["title"])
        if "ax" not in plot_debug:
            plt.show()

    return matches_previous, matches_current


def find_rotation_anlge(
    previous_image,
    previous_mask,
    current_image,
    current_mask,
    plot_debug: dict = {},
):
    matches_previous, matches_current = find_matches(
        previous_image=previous_image,
        previous_mask=previous_mask,
        current_image=current_image,
        current_mask=current_mask,
        plot_debug=plot_debug,
    )
    rot, *_ = R.align_vectors(
        np.pad(
            matches_previous - matches_previous.mean(axis=0),
            pad_width=[0, 1],
            mode="constant",
        ),
        np.pad(
            matches_current - matches_current.mean(axis=0),
            pad_width=[0, 1],
            mode="constant",
        ),
        return_sensitivity=True,
    )
    return rot.as_euler("zyx", degrees=True)[0]


def match_previous_rotation(
    previous_image,
    previous_mask,
    current_image,
    current_mask,
    plot_debug: dict = {},
):
    if plot_debug:
        fig = plt.figure(
            figsize=plot_debug["fig_size"] if "fig_size" in plot_debug else (8, 8)
        )
        grid_spec = fig.add_gridspec(nrows=2, ncols=3)
        plt_descriptors = fig.add_subplot(grid_spec[0, :])
        plot_debug = plot_debug | {
            "previous": cv2.bitwise_and(
                previous_image, previous_image, mask=previous_mask
            ),
            "current": cv2.bitwise_and(current_image, current_image, mask=current_mask),
            "ax": plt_descriptors,
        }

    angle = find_rotation_anlge(
        previous_image=previous_image,
        previous_mask=previous_mask,
        current_image=current_image,
        current_mask=current_mask,
        plot_debug=plot_debug,
    )
    ret = rotate_image(current_image, angle=angle)
    if plot_debug:
        plt_descriptors.set_title(f"{plot_debug['title']}, angle={angle:.2f} ")
        _update_axis(
            axis=fig.add_subplot(grid_spec[1, 0]),
            image=previous_image,
            title="previous image",
        )
        _update_axis(
            axis=fig.add_subplot(grid_spec[1, 1]), image=ret, title="rotated image"
        )
        _update_axis(
            axis=fig.add_subplot(grid_spec[1, 2]),
            image=current_image,
            title="current image",
        )
        plt.show()
    return ret


def sift_contours(
    clean_mask, target_mask, morph_op: Morphologer = Morphologer(op="none")
):
    contours = get_contours_dict(morph_op(target_mask))
    if "suspect" not in contours:
        return target_mask
    suspects = contours["suspect"]
    goods = []

    i = 0
    cm = morph_op(clean_mask)
    while i < len(suspects):
        if cv2.bitwise_and(
            cv2.drawContours(np.zeros_like(cm), suspects, i, 255, -1),
            cm,
        ).any():
            goods.append(suspects.pop(i))
        else:
            i += 1

    # Finalize
    ret = cv2.drawContours(
        np.zeros_like(cm),
        contours=[contours["main"]] + goods,
        contourIdx=-1,
        color=255,
        thickness=-1,
    )
    ret = cv2.drawContours(
        ret,
        contours=contours.get("internal", []),
        contourIdx=-1,
        color=0,
        thickness=-1,
    )
    return ret


def draw_mask(
    image,
    mask,
    background_type: str = "bw",
    draw_contours: bool = True,
    mask_properties: list = [],
    contours_thickness: int = 4,
):
    foreground = cv2.bitwise_and(image, image, mask=mask)
    if background_type == "bw":
        background = cv2.cvtColor(
            cv2.bitwise_and(image, image, mask=255 - mask), cv2.COLOR_RGB2GRAY
        )
        background = background * 0.4
        background[background > 255] = 255
        background = cv2.merge([background, background, background]).astype(np.uint8)
    elif background_type == "source":
        background = image.copy()
    elif isinstance(background_type, tuple):
        background = np.full_like(image, background_type)
    else:
        raise NotImplementedError
    out = cv2.bitwise_or(foreground, background)
    if draw_contours is True or isinstance(draw_contours, tuple):
        cur_color = 0
        colors = (
            [
                tc.C_BLUE,
                tc.C_BLUE_VIOLET,
                tc.C_CABIN_BLUE,
                tc.C_CYAN,
                tc.C_FUCHSIA,
                tc.C_LIGHT_STEEL_BLUE,
                tc.C_MAROON,
                tc.C_ORANGE,
                tc.C_PURPLE,
                tc.C_RED,
                tc.C_TEAL,
                tc.C_YELLOW,
            ]
            if isinstance(draw_contours, bool)
            else [draw_contours] if isinstance(draw_contours, tuple) else [tc.C_WHITE]
        )
        for cnt in cv2.findContours(
            mask, mode=cv2.RETR_LIST, method=cv2.CHAIN_APPROX_NONE
        )[0]:
            out = cv2.drawContours(
                out,
                [cnt],
                contourIdx=0,
                color=colors[cur_color],
                thickness=contours_thickness,
            )
            cur_color += 1
            if cur_color > len(colors) - 1:
                cur_color = 0
    if tc.MP_CENTROID in mask_properties:
        moments = cv2.moments(mask, binaryImage=True)
        cmx, cmy = (
            moments["m10"] / moments["m00"],
            moments["m01"] / moments["m00"],
        )
        out = cv2.circle(out, (int(cmx), int(cmy)), 10, tc.C_BLUE, 4)

    return out


def draw_marker(
    image,
    pos: list,
    marker_size: int,
    thickness: int,
    colors: tuple,
    marker_type=cv2.MARKER_CROSS,
):
    return cv2.drawMarker(
        cv2.drawMarker(
            image,
            pos,
            color=colors[0],
            markerType=marker_type,
            markerSize=marker_size,
            thickness=thickness,
        ),
        pos,
        color=colors[1],
        markerType=marker_type,
        markerSize=marker_size // 2,
        thickness=thickness // 2,
    )


def draw_seeds(image, seeds, selected_label=None, marker_size=None, marker_thickness=4):
    marker_size = max(image.shape) // 50 if marker_size is None else marker_size

    for seed, label in zip(seeds["input_points"], seeds["input_labels"]):
        if selected_label is not None and label != selected_label:
            continue
        image = draw_marker(
            image=image,
            pos=seed,
            marker_size=marker_size,
            thickness=marker_thickness,
            colors=(tc.C_WHITE, tc.C_BLUE if label == 0 else tc.C_LIME),
            marker_type=cv2.MARKER_TILTED_CROSS if label == 0 else cv2.MARKER_SQUARE,
        )

    return image


def get_concat_h_multi_resize(im_list, resample=Image.Resampling.BICUBIC):
    min_height = min(im.height for im in im_list)
    im_list_resize = [
        im.resize(
            (int(im.width * min_height / im.height), min_height), resample=resample
        )
        for im in im_list
    ]
    total_width = sum(im.width for im in im_list_resize)
    dst = Image.new("RGB", (total_width, min_height))
    pos_x = 0
    for im in im_list_resize:
        dst.paste(im, (pos_x, 0))
        pos_x += im.width
    return dst


def get_concat_v_multi_resize(im_list, resample=Image.Resampling.BICUBIC):
    min_width = min(im.width for im in im_list)
    im_list_resize = [
        im.resize((min_width, int(im.height * min_width / im.width)), resample=resample)
        for im in im_list
    ]
    total_height = sum(im.height for im in im_list_resize)
    dst = Image.new("RGB", (min_width, total_height))
    pos_y = 0
    for im in im_list_resize:
        dst.paste(im, (0, pos_y))
        pos_y += im.height
    return dst


def get_concat_tile_resize(im_list_2d, resample=Image.Resampling.BICUBIC):
    im_list_v = [
        get_concat_h_multi_resize(im_list_h, resample=resample)
        for im_list_h in im_list_2d
    ]
    return get_concat_v_multi_resize(im_list_v, resample=resample)


def get_tiles(img_list, row_count, resample=Image.Resampling.BICUBIC):
    if isinstance(img_list, np.ndarray) is False:
        img_list = np.asarray(img_list, dtype="object")
    return get_concat_tile_resize(np.split(img_list, row_count), resample)