#!/usr/bin/env python3
# Strip EXIF metadata from images recursively
# Requires: exiftool + pillow
# macOS install:  brew install exiftool
#                pip install pillow

import subprocess
from pathlib import Path
from PIL import Image

def is_image(path):
    """Quick check if file is a valid image (not just by extension)"""
    try:
        with Image.open(path) as img:
            img.verify()           # actually reads & validates file
        return True
    except (IOError, SyntaxError):
        return False

def get_dirs(wd, seen=set()):
    """Collect current dir + all non-hidden subdirectories recursively"""
    if wd in seen:
        return []
    seen.add(wd)
    dirs = [wd]
    for item in Path(wd).glob("*"):
        if item.is_dir() and not item.name.startswith("."):
            dirs.extend(get_dirs(item, seen))
    return dirs

def clean_images(dir_path):
    """Remove all EXIF/metadata from valid images in this folder"""
    for file in Path(dir_path).glob("*"):
        if not file.is_file() or file.name.startswith("."):
            continue
        if not is_image(file):
            continue

        cmd = ["exiftool", "-all=", "-overwrite_original", str(file)]
        subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
        print(f"Cleaned → {file}")

def main():
    print("Starting metadata cleanup in current directory + subfolders…\n")
    folders = get_dirs(Path.cwd())
    for folder in folders:
        print(f"Scanning: {folder}")
        clean_images(folder)
    print("\nDone! All discoverable metadata removed from images.")

if __name__ == "__main__":
    main()