import os
from datetime import datetime

import cv2
from PIL import Image, UnidentifiedImageError
from PySide6.QtCore import Qt
from PySide6.QtGui import QImage, QPixmap
from PySide6.QtWidgets import QLabel

from logger import logger


def rotate_image(path_file: str, gradus: int = -90) -> str:
    try:
        image = Image.open(path_file, 'r')
        rotate_path_image = os.path.join(
            os.path.dirname(image.filename),
            F"rotate_{os.path.split(image.filename)[1]}"
        )
    
        rotate_img = image.rotate(gradus, expand=True)
        rotate_img.save(rotate_path_image)
    
        return rotate_path_image
    
    except FileNotFoundError:
        logger.error(F"Файл не найден: {path_file=}")
        return None
    except UnidentifiedImageError:
        logger.error(F"Не правильный формат: {path_file=}")
        return None



def cupture_face(path_photo: str, new_path: str) -> None:
    try:
        img = cv2.imread(path_photo)
        face_recog = cv2.CascadeClassifier(cv2.data.haarcascades + 'haarcascade_frontalface_alt_tree.xml')
        face_result = face_recog.detectMultiScale(img, scaleFactor=2, minNeighbors=3)
        if len(face_result) != 0:
            logger.info(F"Find face: {face_result}")
            x,y,w,h = face_result[-1]        
            img = img[y-50:y+h+80,x-50:x+50+w]
            cv2.imwrite(new_path, img)
    except cv2.error as err:
        logger.error(err)


def load_image(qlabel: QLabel, path_file: str) -> None:
    logger.info(F"Set image to label: {path_file}")
    qlabel.setPixmap(QPixmap(QImage(path_file)).scaled(
        qlabel.width()-4,
        qlabel.height(),
        Qt.AspectRatioMode.KeepAspectRatio,
        Qt.TransformationMode.FastTransformation
    ))