from PIL import Image
import requests
from io import BytesIO
import logging

logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')

def load_image_from_url(url):
    """Loads an image from a URL.

    Args:
        url (str): The URL of the image.

    Returns:
        PIL.Image.Image: The loaded image.

    Raises:
        Exception: If the image cannot be loaded from the URL.
    """
    try:
        response = requests.get(url, stream=True)
        response.raise_for_status()  # Raise HTTPError for bad responses (4xx or 5xx)
        image = Image.open(BytesIO(response.content))
        logging.info(f"Image loaded successfully from URL: {url}")
        return image
    except requests.exceptions.RequestException as e:
        logging.error(f"Error loading image from URL: {url} - {e}")
        raise Exception(f"Error loading image from URL: {url} - {e}")
    except Exception as e:
        logging.error(f"Error opening image from URL: {url} - {e}")
        raise Exception(f"Error opening image from URL: {url} - {e}")


def load_image_from_file(file_path):
    """Loads an image from a file.

    Args:
        file_path (str): The path to the image file.

    Returns:
        PIL.Image.Image: The loaded image.

    Raises:
        Exception: If the image cannot be loaded from the file.
    """
    try:
        image = Image.open(file_path)
        logging.info(f"Image loaded successfully from file: {file_path}")
        return image
    except FileNotFoundError:
        logging.error(f"File not found: {file_path}")
        raise Exception(f"File not found: {file_path}")
    except Exception as e:
        logging.error(f"Error loading image from file: {file_path} - {e}")
        raise Exception(f"Error loading image from file: {file_path} - {e}")

if __name__ == '__main__':
    # Example Usage
    try:
        image_url = "https://hips.hearstapps.com/hmg-prod/images/gettyimages-1229892983-square.jpg"
        image_from_url = load_image_from_url(image_url)
        print("Image loaded from URL successfully!")
        # image_from_url.show() # Display the image (optional)
    except Exception as e:
        print(e)

    try:
        image_path = "butterfly.jpg"
        image_from_file = load_image_from_file(image_path)
        print("Image loaded from file successfully!")
        # image_from_file.show() # Display the image (optional)
    except Exception as e:
        print(e)