import os
from PIL import Image, ImageEnhance, ImageOps

BASE_DIR = os.path.dirname(os.path.abspath(__file__))
INPUT_DIR = os.path.join(BASE_DIR, 'media', 'Schnappix')
OUTPUT_DIR = os.path.join(BASE_DIR, 'media', 'Schnappix_Bearbeitet')

def process_images():
    if not os.path.exists(OUTPUT_DIR):
        os.makedirs(OUTPUT_DIR)
        print(f"Ordner erstellt: {OUTPUT_DIR}")

    processed_count = 0
    
    for filename in os.listdir(INPUT_DIR):
        if filename.lower().endswith(('.png', '.jpg', '.jpeg', '.bmp', '.gif')):
            input_path = os.path.join(INPUT_DIR, filename)
            output_path = os.path.join(OUTPUT_DIR, filename)

            if os.path.exists(output_path):
                continue

            try:
                with Image.open(input_path) as img:
                    # Der bewährte Mix aus Option 1 und 4:
                    
                    # 1. Auto-Kontrast (Entfernt den Grauschleier)
                    img_step1 = ImageOps.autocontrast(img, cutoff=1)
                    
                    # 2. Ganz leichte Aufhellung (damit es nicht zu dunkel wird)
                    img_step2 = ImageEnhance.Brightness(img_step1).enhance(1.08)
                    
                    # 3. Farbe leicht anheben (1.2 statt den extremen 1.4 vom allerersten Versuch)
                    img_final = ImageEnhance.Color(img_step2).enhance(1.2)

                    # Speichern
                    img_final.save(output_path, quality=95)
                    print(f"Bearbeitet: {filename}")
                    processed_count += 1
            except Exception as e:
                print(f"Fehler bei {filename}: {e}")

    print(f"\nFertig! {processed_count} Bilder wurden bearbeitet.")
    print(f"Du findest sie hier: {OUTPUT_DIR}")

if __name__ == '__main__':
    print("Starte finale Bildbearbeitung...")
    process_images()