import os
import sys
import re

def rename_files(directory):
    for root, dirs, files in os.walk(directory):
        for filename in files:
            original_filename = filename
            new_filename = filename

            # Step 1: Replace '_2F' with '%2F' if present
            if '_2F' in new_filename:
                new_filename = new_filename.replace('_2F', '%2F')

            # Step 2: Remove any characters between 'sound=' and 'files.catbox.moe' if 'files.catbox.moe' is present
            if 'sound=' in new_filename and 'files.catbox.moe' in new_filename:
                # Use regex to remove characters between 'sound=' and 'files.catbox.moe'
                new_filename = re.sub(r'(sound=)[^f]*?(files\.catbox\.moe)', r'\1\2', new_filename)

            # Proceed only if the filename has changed
            if new_filename != original_filename:
                original_path = os.path.join(root, original_filename)
                new_path = os.path.join(root, new_filename)

                if not os.path.exists(new_path):
                    # Rename the file
                    print(f"Renaming '{original_path}' to '{new_path}'")
                    os.rename(original_path, new_path)
                else:
                    # Delete the original file if the new filename already exists
                    print(f"Deleting '{original_path}' because '{new_filename}' already exists.")
                    os.remove(original_path)
            else:
                continue

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("Usage: python3 rename_script.py <directory_path>")
        sys.exit(1)
    directory = sys.argv[1]
    if not os.path.isdir(directory):
        print(f"The provided path '{directory}' is not a directory.")
        sys.exit(1)
    rename_files(directory)