import os
import subprocess

TARGET_DIR = "/Users/davidkotnik/Desktop/referencne slike 2"

def convert_images():
    if not os.path.exists(TARGET_DIR):
        print(f"Error: Directory {TARGET_DIR} does not exist.")
        return

    files = [f for f in os.listdir(TARGET_DIR) if f.lower().endswith(('.jpg', '.jpeg'))]
    
    if not files:
        print("No JPG images found to convert.")
        return

    print(f"Found {len(files)} JPG images. Starting conversion...")

    for filename in files:
        filepath = os.path.join(TARGET_DIR, filename)
        name_without_ext = os.path.splitext(filename)[0]
        new_filename = name_without_ext + ".png"
        new_filepath = os.path.join(TARGET_DIR, new_filename)

        # Skip if png already exists to save time? 
        # User said "first convert", implyng they might not exist.
        # But let's overwrite to be sure we have fresh versions if needed.
        
        try:
            # Using macOS built-in sips tool
            subprocess.run(
                ["sips", "-s", "format", "png", filepath, "--out", new_filepath],
                check=True,
                stdout=subprocess.DEVNULL  # Silence standard output for cleaner logs
            )
            print(f"✅ Converted: {filename} -> {new_filename}")
        except subprocess.CalledProcessError as e:
            print(f"❌ Failed to convert {filename}: {e}")

if __name__ == "__main__":
    convert_images()