import os
import os.path as osp
from PIL import Image
import json
from shutil import copyfile


def check_txt_files(directory):
    corrupted_files = []
    for dirpath, dirnames, filenames in os.walk(directory):
        for filename in filenames:
            if filename.lower().endswith('.txt'):
                file_path = os.path.join(dirpath, filename)
                try:
                    with open(file_path, 'r', encoding='utf-8') as f:
                        content = f.read()
                        # 可以添加内容验证逻辑，比如检查是否有乱码
                except UnicodeDecodeError:
                    print(f"编码错误或损坏：{file_path}")
                    corrupted_files.append(file_path)
                except Exception as e:
                    print(f"读取异常：{file_path}，错误：{e}")
                    corrupted_files.append(file_path)
    return corrupted_files


def check_images_files(root_directory):
    corrupted_files = []
    for dirpath, dirnames, filenames in os.walk(root_directory):
        if 'cubemap' in dirpath:
            continue
        for filename in filenames:
            file_path = os.path.join(dirpath, filename)
            if file_path.endswith('.png'):
                try:
                    with Image.open(file_path) as img:
                        img.verify()  # 验证图片完整性
                except (IOError, SyntaxError) as e:
                    print(f"损坏的图片：{file_path}")
                    corrupted_files.append(file_path)
    return corrupted_files


if __name__ == '__main__':
    CHECK_IMAGE_FILES = False
    CHECK_TEXT_FILES = False
    CHECK_IMAGE_FILES_SCENE_BY_SCENE = False

    REMOVE_CORRUPTED_FILES = True

    # 替换为你的根目录路径
    root = '/mnt/xuyuanxiong/projects/DreamCube-Flux-Private/data/Structured3D/code'
    data_dir = osp.join(root, 'Structured3D')
    temp_dir = osp.join(root, 'TEMP')

    json_file = osp.join(root, 'corrupted_images.json')

    if CHECK_IMAGE_FILES:
        corrupted_files = check_images_files(data_dir)
        print("损坏的图片文件有：")
        for file in corrupted_files:
            print(file)

    if CHECK_TEXT_FILES:
        corrupted_txt_files = check_txt_files(data_dir)
        print("损坏的文本文件有：")
        for file in corrupted_txt_files:
            print(file)

    if CHECK_IMAGE_FILES_SCENE_BY_SCENE:
        for i in range(3470, 3479 + 1):
            scene_dir = osp.join(data_dir, f'scene_{i:05d}/2D_rendering/')
            os.system(f'cd {scene_dir}; ls -lR | grep "^-" | wc -l')
            corrupted_files = check_images_files(scene_dir)
            print("损坏的图片文件有：")
            for file in corrupted_files:
                print(file)

    if REMOVE_CORRUPTED_FILES:
        with open(json_file, 'r') as fio:
            filelist = json.load(fio)
        
        for i, f in enumerate(filelist):
            file_path = osp.join(root, f)
            if osp.exists(file_path):
                print(file_path)

            if 'full' in f:
                temp_path = osp.join(temp_dir, f)
                os.makedirs(osp.dirname(temp_path), exist_ok=True)
                copyfile(file_path, temp_path)
                os.remove(file_path)