import os
from PIL import Image

UPLOAD_DIR = os.getenv("UPLOAD_DIR", "uploads")


def save_and_compress_images(files, max_photos=5, max_size=(1080, 1080), quality=70):
    """
    Save and compress uploaded images.
    - max_photos: hard cap on number of photos per listing
    - max_size: resize images to fit within this resolution
    - quality: JPEG quality (lower = smaller file)
    """
    os.makedirs(UPLOAD_DIR, exist_ok=True)
    file_paths = []

    for idx, file in enumerate(files[:max_photos]):  # enforce photo cap
        try:
            img = Image.open(file)
            img.thumbnail(max_size)  # resize to max dimension

            filename = f"listing_{idx}.jpg"
            filepath = os.path.join(UPLOAD_DIR, filename)
            img.convert("RGB").save(filepath, "JPEG", quality=quality)

            file_paths.append(filepath)

        except Exception as e:
            print(f"[Image Error] {e}")

    return file_paths