import os
import cv2

def center_crop(img):
    h, w = img.shape[:2]
    size = min(h, w)  # 정사각형 변의 길이
    start_x = (w - size) // 2
    start_y = (h - size) // 2
    return img[start_y:start_y+size, start_x:start_x+size]

def process_folder(base_path, sub_folder, crop_folder):
    input_dir = os.path.join(base_path, sub_folder)
    output_dir = os.path.join(base_path, crop_folder)

    if not os.path.exists(input_dir):
        print(f"폴더 없음: {input_dir}")
        return

    os.makedirs(output_dir, exist_ok=True)

    for fname in os.listdir(input_dir):
        if fname.lower().endswith(('.jpg', '.png', '.jpeg')):
            fpath = os.path.join(input_dir, fname)
            img = cv2.imread(fpath)
            if img is None:
                print(f"이미지 읽기 실패: {fpath}")
                continue
            cropped = center_crop(img)
            out_path = os.path.join(output_dir, fname)
            cv2.imwrite(out_path, cropped)

def main():
    txt_path = "/root/aist_hdf5/full_list.txt"

    with open(txt_path, "r") as f:
        folders = [line.strip() for line in f.readlines() if line.strip()]

    for folder in folders:
        base_path = os.path.join("/root/aist_hdf5/rec", folder)

        process_folder(base_path, "faces", "cropped_faces")
        process_folder(base_path, "images", "cropped_images")

        print(f"처리 완료: {folder}")

if __name__ == "__main__":
    main()