import logging
import os

# 解决OpenMP库冲突问题
os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
# 设置CPU线程数为CPU核心数，提高CPU利用率
import multiprocessing
cpu_cores = multiprocessing.cpu_count()
os.environ["OMP_NUM_THREADS"] = str(min(cpu_cores, 8))  # 最多使用8个线程
os.environ["MKL_NUM_THREADS"] = str(min(cpu_cores, 8))
os.environ["NUMEXPR_NUM_THREADS"] = str(min(cpu_cores, 8))

# 修复torchvision兼容性问题
try:
    import torchvision.transforms.functional_tensor
except ImportError:
    # 为缺失的functional_tensor模块创建兼容性补丁
    import torchvision.transforms.functional as F
    import torchvision.transforms as transforms
    import sys
    from types import ModuleType

    # 创建functional_tensor模块
    functional_tensor = ModuleType('torchvision.transforms.functional_tensor')

    # 添加常用的函数映射
    if hasattr(F, 'rgb_to_grayscale'):
        functional_tensor.rgb_to_grayscale = F.rgb_to_grayscale
    if hasattr(F, 'adjust_brightness'):
        functional_tensor.adjust_brightness = F.adjust_brightness
    if hasattr(F, 'adjust_contrast'):
        functional_tensor.adjust_contrast = F.adjust_contrast
    if hasattr(F, 'adjust_saturation'):
        functional_tensor.adjust_saturation = F.adjust_saturation
    if hasattr(F, 'normalize'):
        functional_tensor.normalize = F.normalize
    if hasattr(F, 'resize'):
        functional_tensor.resize = F.resize
    if hasattr(F, 'crop'):
        functional_tensor.crop = F.crop
    if hasattr(F, 'pad'):
        functional_tensor.pad = F.pad

    # 将模块添加到sys.modules
    sys.modules['torchvision.transforms.functional_tensor'] = functional_tensor
    transforms.functional_tensor = functional_tensor

# 环境变量配置 - 禁用TensorFlow优化和GPU
os.environ["TF_ENABLE_ONEDNN_OPTS"] = "0"
os.environ["TF_CPP_MIN_LOG_LEVEL"] = "2"
os.environ["CUDA_VISIBLE_DEVICES"] = "-1"  # 强制使用CPU
os.environ["TF_FORCE_GPU_ALLOW_GROWTH"] = "false"

# 修复PyTorch兼容性问题
try:
    import torch
    import torch.onnx

    # 修复GFPGAN的ONNX兼容性
    if not hasattr(torch.onnx._internal.exporter, 'ExportOptions'):
        from types import SimpleNamespace
        torch.onnx._internal.exporter.ExportOptions = SimpleNamespace

    # 修复ModelScope的PyTree兼容性 - 更完整的实现
    import torch.utils
    if not hasattr(torch.utils, '_pytree'):
        # 如果_pytree模块不存在，创建一个
        from types import ModuleType
        torch.utils._pytree = ModuleType('_pytree')

    pytree = torch.utils._pytree

    if not hasattr(pytree, 'register_pytree_node'):
        def register_pytree_node(typ, flatten_fn, unflatten_fn, *, flatten_with_keys_fn=None, **kwargs):
            """兼容性实现：注册PyTree节点类型"""
            pass  # 简单实现，不做实际操作
        pytree.register_pytree_node = register_pytree_node

    if not hasattr(pytree, 'tree_flatten'):
        def tree_flatten(tree, is_leaf=None):
            """兼容性实现：展平树结构"""
            if isinstance(tree, (list, tuple)):
                flat = []
                spec = []
                for i, item in enumerate(tree):
                    if isinstance(item, (list, tuple, dict)):
                        sub_flat, sub_spec = tree_flatten(item, is_leaf)
                        flat.extend(sub_flat)
                        spec.append((i, sub_spec))
                    else:
                        flat.append(item)
                        spec.append((i, None))
                return flat, (type(tree), spec)
            elif isinstance(tree, dict):
                flat = []
                spec = []
                for key, value in sorted(tree.items()):
                    if isinstance(value, (list, tuple, dict)):
                        sub_flat, sub_spec = tree_flatten(value, is_leaf)
                        flat.extend(sub_flat)
                        spec.append((key, sub_spec))
                    else:
                        flat.append(value)
                        spec.append((key, None))
                return flat, (dict, spec)
            else:
                return [tree], None
        pytree.tree_flatten = tree_flatten

    if not hasattr(pytree, 'tree_unflatten'):
        def tree_unflatten(values, spec):
            """兼容性实现：重构树结构"""
            if spec is None:
                return values[0] if values else None

            tree_type, tree_spec = spec
            if tree_type in (list, tuple):
                result = []
                value_idx = 0
                for pos, sub_spec in tree_spec:
                    if sub_spec is None:
                        result.append(values[value_idx])
                        value_idx += 1
                    else:
                        # 计算子树需要的值数量
                        sub_count = _count_tree_values(sub_spec)
                        sub_values = values[value_idx:value_idx + sub_count]
                        result.append(tree_unflatten(sub_values, sub_spec))
                        value_idx += sub_count
                return tree_type(result)
            elif tree_type == dict:
                result = {}
                value_idx = 0
                for key, sub_spec in tree_spec:
                    if sub_spec is None:
                        result[key] = values[value_idx]
                        value_idx += 1
                    else:
                        sub_count = _count_tree_values(sub_spec)
                        sub_values = values[value_idx:value_idx + sub_count]
                        result[key] = tree_unflatten(sub_values, sub_spec)
                        value_idx += sub_count
                return result
            return values[0] if values else None
        pytree.tree_unflatten = tree_unflatten

    if not hasattr(pytree, 'tree_map'):
        def tree_map(fn, tree, *other_trees, is_leaf=None):
            """兼容性实现：树映射"""
            flat, spec = tree_flatten(tree, is_leaf)
            if other_trees:
                other_flats = [tree_flatten(t, is_leaf)[0] for t in other_trees]
                mapped = [fn(x, *others) for x, *others in zip(flat, *other_flats)]
            else:
                mapped = [fn(x) for x in flat]
            return tree_unflatten(mapped, spec)
        pytree.tree_map = tree_map

    # 辅助函数
    def _count_tree_values(spec):
        """计算树规格中的值数量"""
        if spec is None:
            return 1
        tree_type, tree_spec = spec
        return sum(_count_tree_values(sub_spec) if sub_spec else 1 for _, sub_spec in tree_spec)

    # 修复pyarrow兼容性问题
    try:
        import pyarrow
        if not hasattr(pyarrow, 'PyExtensionType'):
            # 为旧版本pyarrow添加PyExtensionType兼容性
            pyarrow.PyExtensionType = type('PyExtensionType', (), {})
    except ImportError:
        pass

except (ImportError, AttributeError) as e:
    print(f"Warning: PyTorch/PyArrow compatibility patch failed: {e}")
    pass
IMAGES_DIR = os.environ.get("IMAGES_DIR", "/opt/data/images")
OUTPUT_DIR = IMAGES_DIR

# 明星图库目录配置
CELEBRITY_SOURCE_DIR = os.environ.get(
    "CELEBRITY_SOURCE_DIR", "/opt/data/chinese_celeb_dataset"
).strip()
if CELEBRITY_SOURCE_DIR:
    CELEBRITY_SOURCE_DIR = os.path.abspath(os.path.expanduser(CELEBRITY_SOURCE_DIR))

CELEBRITY_DATASET_DIR = os.path.abspath(
    os.path.expanduser(
        os.environ.get(
            "CELEBRITY_DATASET_DIR",
            CELEBRITY_SOURCE_DIR or "/opt/data/chinese_celeb_dataset",
        )
    )
)

CELEBRITY_FIND_THRESHOLD = float(
    os.environ.get("CELEBRITY_FIND_THRESHOLD", 0.88)
)

# ---- start ----
# 微信小程序配置（默认值仅用于本地开发）
WECHAT_APPID = os.environ.get("WECHAT_APPID", "******").strip()
WECHAT_SECRET = os.environ.get("WCT_SECRET", "******").strip()
APP_SECRET_TOKEN = os.environ.get("APP_SECRET_TOKEN", "******")
# MySQL 数据库配置
MYSQL_HOST = os.environ.get("MYSQL_HOST", "******")
MYSQL_PORT = int(os.environ.get("MYSQL_PORT", "3306"))
MYSQL_DB = os.environ.get("MYSQL_DB", "******")
MYSQL_USER = os.environ.get("MYSQL_USER", "******")
MYSQL_PASSWORD = os.environ.get("MYSQL_PASSWORD", "******")
# BOS 对象存储配置（默认存储为Base64编码字符串）
BOS_ACCESS_KEY = os.environ.get("BOS_ACCESS_KEY", "******").strip()
BOS_SECRET_KEY = os.environ.get("BOS_SECRET_KEY", "******").strip()
BOS_ENDPOINT = os.environ.get("BOS_ENDPOINT", "******").strip()
BOS_BUCKET_NAME = os.environ.get("BOS_BUCKET_NAME", "******").strip()
BOS_IMAGE_DIR = os.environ.get("BOS_IMAGE_DIR", "******").strip()
BOS_MODELS_PREFIX = os.environ.get("BOS_MODELS_PREFIX", "******").strip()
BOS_CELEBRITY_PREFIX = os.environ.get("BOS_CELEBRITY_PREFIX", "******").strip()
# ---- end ---

_bos_enabled_env = os.environ.get("BOS_UPLOAD_ENABLED")
MYSQL_POOL_MIN_SIZE = int(os.environ.get("MYSQL_POOL_MIN_SIZE", "1"))
MYSQL_POOL_MAX_SIZE = int(os.environ.get("MYSQL_POOL_MAX_SIZE", "10"))
if _bos_enabled_env is not None:
    BOS_UPLOAD_ENABLED = _bos_enabled_env.lower() in ("1", "true", "on")
else:
    BOS_UPLOAD_ENABLED = all(
        [
            BOS_ACCESS_KEY.strip(),
            BOS_SECRET_KEY.strip(),
            BOS_ENDPOINT,
            BOS_BUCKET_NAME,
        ]
    )
HOSTNAME = os.environ.get("HOSTNAME", "default-hostname")
MODELS_PATH = os.path.abspath(
    os.path.expanduser(os.environ.get("MODELS_PATH", "/opt/data/models"))
)
MODELS_DOWNLOAD_DIR = os.path.abspath(
    os.path.expanduser(os.environ.get("MODELS_DOWNLOAD_DIR", MODELS_PATH))
)
# HuggingFace 仓库配置
HUGGINGFACE_SYNC_ENABLED = os.environ.get(
    "HUGGINGFACE_SYNC_ENABLED", "true"
).lower() in ("1", "true", "on")
HUGGINGFACE_REPO_ID = os.environ.get(
    "HUGGINGFACE_REPO_ID", "ethonmax/facescore"
).strip()
HUGGINGFACE_REVISION = os.environ.get(
    "HUGGINGFACE_REVISION", "main"
).strip()
_hf_allow_env = os.environ.get("HUGGINGFACE_ALLOW_PATTERNS", "").strip()
HUGGINGFACE_ALLOW_PATTERNS = [
    pattern.strip() for pattern in _hf_allow_env.split(",") if pattern.strip()
]
_hf_ignore_env = os.environ.get("HUGGINGFACE_IGNORE_PATTERNS", "").strip()
HUGGINGFACE_IGNORE_PATTERNS = [
    pattern.strip() for pattern in _hf_ignore_env.split(",") if pattern.strip()
]

_MODELSCOPE_CACHE_ENV = os.environ.get("MODELSCOPE_CACHE", "").strip()
if _MODELSCOPE_CACHE_ENV:
    MODELSCOPE_CACHE_DIR = os.path.abspath(os.path.expanduser(_MODELSCOPE_CACHE_ENV))
else:
    MODELSCOPE_CACHE_DIR = os.path.join(MODELS_PATH, "modelscope")

try:
    os.makedirs(MODELSCOPE_CACHE_DIR, exist_ok=True)
except Exception as exc:
    print(f"创建 ModelScope 缓存目录失败: %s (%s)", MODELSCOPE_CACHE_DIR, exc)

os.environ.setdefault("MODELSCOPE_CACHE", MODELSCOPE_CACHE_DIR)
os.environ.setdefault("MODELSCOPE_HOME", MODELSCOPE_CACHE_DIR)
os.environ.setdefault("MODELSCOPE_CACHE_HOME", MODELSCOPE_CACHE_DIR)

DEEPFACE_HOME = os.environ.get("DEEPFACE_HOME", "/opt/data/models")
os.environ["DEEPFACE_HOME"] = DEEPFACE_HOME

# 设置GFPGAN相关模型下载路径
GFPGAN_MODEL_DIR = MODELS_DOWNLOAD_DIR
os.makedirs(GFPGAN_MODEL_DIR, exist_ok=True)

# 设置各种模型库的下载目录环境变量
os.environ["GFPGAN_MODEL_ROOT"] = GFPGAN_MODEL_DIR
os.environ["FACEXLIB_CACHE_DIR"] = GFPGAN_MODEL_DIR
os.environ["BASICSR_CACHE_DIR"] = GFPGAN_MODEL_DIR
os.environ["REALESRGAN_MODEL_ROOT"] = GFPGAN_MODEL_DIR
os.environ["HUB_CACHE_DIR"] = GFPGAN_MODEL_DIR  # PyTorch Hub缓存

# 设置rembg模型下载路径到统一的AI模型目录
REMBG_MODEL_DIR = os.path.expanduser(MODELS_PATH.replace("$HOME", "~"))
os.environ["U2NET_HOME"] = REMBG_MODEL_DIR  # u2net模型缓存目录
os.environ["REMBG_HOME"] = REMBG_MODEL_DIR  # rembg通用缓存目录

IMG_QUALITY = float(os.environ.get("IMG_QUALITY", 0.5))
FACE_CONFIDENCE = float(os.environ.get("FACE_CONFIDENCE", 0.7))
AGE_CONFIDENCE = float(os.environ.get("AGE_CONFIDENCE", 0.99))
GENDER_CONFIDENCE = float(os.environ.get("GENDER_CONFIDENCE", 1.1))
# 是否启用 DeepFace 的情绪识别（默认开启；关闭可减少推理耗时）
DEEPFACE_EMOTION_ENABLED = os.environ.get("DEEPFACE_EMOTION_ENABLED", "true").lower() in ("1", "true", "on")
UPSCALE_SIZE = int(os.environ.get("UPSCALE_SIZE", 2))
SAVE_QUALITY = int(os.environ.get("SAVE_QUALITY", 85))
REALESRGAN_MODEL = os.environ.get("REALESRGAN_MODEL", "realesr-general-x4v3")
# yolov11n-face.pt / yolov8n-face.pt
YOLO_MODEL = os.environ.get("YOLO_MODEL", "yolov11n-face.pt")
# mobilenetv3/resnet50
RVM_MODEL = os.environ.get("RVM_MODEL", "resnet50")
RVM_LOCAL_REPO = os.environ.get("RVM_LOCAL_REPO", "/opt/data/RobustVideoMatting").strip()
RVM_WEIGHTS_PATH = os.environ.get("RVM_WEIGHTS_PATH", "/opt/data/models/torch/hub/checkpoints/rvm_resnet50.pth").strip()
DRAW_SCORE = os.environ.get("DRAW_SCORE", "true").lower() in ("1", "true", "on")

# 颜值评分温和提升配置（默认开启；默认区间与力度：区间=[6.0, 8.0]，gamma=0.3）
# - BEAUTY_ADJUST_ENABLED: 是否开启提分
# - BEAUTY_ADJUST_MIN: 提分下限（低于该值不提分）
# - BEAUTY_ADJUST_MAX: 提分上限（目标上限；仅在 [min, max) 区间内提分）
# - BEAUTY_ADJUST_THRESHOLD: 兼容旧配置，等价于 BEAUTY_ADJUST_MAX
# - BEAUTY_ADJUST_GAMMA: 提分力度，(0,1]，越小提升越多
BEAUTY_ADJUST_ENABLED = os.environ.get("BEAUTY_ADJUST_ENABLED", "true").lower() in ("1", "true", "on")
BEAUTY_ADJUST_MIN = float(os.environ.get("BEAUTY_ADJUST_MIN", 1.0))
# 向后兼容：未提供 BEAUTY_ADJUST_MAX 时，使用旧的 BEAUTY_ADJUST_THRESHOLD 或 8.0
_legacy_thr = os.environ.get("BEAUTY_ADJUST_THRESHOLD")
BEAUTY_ADJUST_MAX = float(os.environ.get("BEAUTY_ADJUST_MAX", _legacy_thr if _legacy_thr is not None else 8.0))
BEAUTY_ADJUST_GAMMA = float(os.environ.get("BEAUTY_ADJUST_GAMMA", 0.5))  # 0<gamma<=1，越小提升越多

# 兼容旧引用，保留变量名（不再直接使用于逻辑内部）
BEAUTY_ADJUST_THRESHOLD = BEAUTY_ADJUST_MAX

# 整体协调性分数温和提升配置（默认开启；默认阈值与力度：T=8.0, gamma=0.5）
HARMONY_ADJUST_ENABLED = os.environ.get("HARMONY_ADJUST_ENABLED", "true").lower() in ("1", "true", "on")
HARMONY_ADJUST_THRESHOLD = float(os.environ.get("HARMONY_ADJUST_THRESHOLD", 9.0))
HARMONY_ADJUST_GAMMA = float(os.environ.get("HARMONY_ADJUST_GAMMA", 0.3))

# 启动优化：是否在启动时自动初始化/预热重型组件
ENABLE_WARMUP = os.environ.get("ENABLE_WARMUP", "false").lower() in ("1", "true", "on")
AUTO_INIT_ANALYZER = os.environ.get("AUTO_INIT_ANALYZER", "true").lower() in ("1", "true", "on")
AUTO_INIT_GFPGAN = os.environ.get("AUTO_INIT_GFPGAN", "false").lower() in ("1", "true", "on")
AUTO_INIT_DDCOLOR = os.environ.get("AUTO_INIT_DDCOLOR", "false").lower() in ("1", "true", "on")
AUTO_INIT_REALESRGAN = os.environ.get("AUTO_INIT_REALESRGAN", "false").lower() in ("1", "true", "on")
AUTO_INIT_REMBG = os.environ.get("AUTO_INIT_REMBG", "false").lower() in ("1", "true", "on")
AUTO_INIT_ANIME_STYLE = os.environ.get("AUTO_INIT_ANIME_STYLE", "false").lower() in ("1", "true", "on")
AUTO_INIT_RVM = os.environ.get("AUTO_INIT_RVM", "false").lower() in ("1", "true", "on")

# 定时任务相关配置
CLEANUP_INTERVAL_HOURS = float(os.environ.get("CLEANUP_INTERVAL_HOURS", 1.0))  # 清理任务执行间隔（小时），默认1小时
CLEANUP_AGE_HOURS = float(os.environ.get("CLEANUP_AGE_HOURS", 1.0))  # 清理文件的年龄阈值（小时），默认1小时

# BOS 自动同步清单：定义 BOS 路径和本地目录的映射，启动时可迭代该结构完成批量下载
BOS_DOWNLOAD_TARGETS = [
    # {
    #     "description": "明星图库数据集",
    #     "bos_prefix": BOS_CELEBRITY_PREFIX,
    #     "destination": CELEBRITY_DATASET_DIR,
    #     "background": True,
    # },
    # {
    #     "description": "AI 模型权重",
    #     "bos_prefix": BOS_MODELS_PREFIX,
    #     "destination": MODELS_DOWNLOAD_DIR,
    # },
]

log_level_str = os.getenv("LOG_LEVEL", "INFO").upper()
log_level = getattr(logging, log_level_str, logging.INFO)

# 日志开关配置 - 控制是否启用所有日志输出
ENABLE_LOGGING = os.environ.get("ENABLE_LOGGING", "true").lower() in ("1", "true", "on")

# 功能开关配置
ENABLE_DDCOLOR = os.environ.get("ENABLE_DDCOLOR", "true").lower() in ("1", "true", "on")
ENABLE_REALESRGAN = os.environ.get("ENABLE_REALESRGAN", "true").lower() in ("1", "true", "on")
ENABLE_GFPGAN = os.environ.get("ENABLE_GFPGAN", "true").lower() in ("1", "true", "on")
ENABLE_ANIME_STYLE = os.environ.get("ENABLE_ANIME_STYLE", "true").lower() in ("1", "true", "on")
ENABLE_ANIME_PRELOAD = os.environ.get("ENABLE_ANIME_PRELOAD", "false").lower() in ("1", "true", "on")
ENABLE_RVM = os.environ.get("ENABLE_RVM", "true").lower() in ("1", "true", "on")


# 颜值评分模块配置
FACE_SCORE_MAX_IMAGES = int(os.environ.get("FACE_SCORE_MAX_IMAGES", 10))  # 颜值评分最大上传图片数量

# 女性年龄调整配置 - 对于20岁以上的女性，显示的年龄会减去指定岁数
FEMALE_AGE_ADJUSTMENT = int(os.environ.get("FEMALE_AGE_ADJUSTMENT", 3))  # 默认减3岁
FEMALE_AGE_ADJUSTMENT_THRESHOLD = int(os.environ.get("FEMALE_AGE_ADJUSTMENT_THRESHOLD", 20))  # 年龄阈值，默认20岁

# 配置日志
if ENABLE_LOGGING:
    logging.basicConfig(
        level=log_level,
        format="[%(asctime)s] [%(levelname)s] %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )
    logger = logging.getLogger(__name__)
else:
    # 禁用所有日志输出
    logging.basicConfig(level=logging.CRITICAL + 10)
    logger = logging.getLogger(__name__)
    logger.disabled = True

# 全局变量存储 access_token
access_token_cache = {"token": None, "expires_at": 0}

# 尝试导入依赖
try:
    from deepface import DeepFace

    DEEPFACE_AVAILABLE = True
except ImportError:
    print("Warning: DeepFace not installed. Install with: pip install deepface")
    DEEPFACE_AVAILABLE = False

try:
    import mediapipe as mp

    MEDIAPIPE_AVAILABLE = True
except ImportError:
    print("Warning: mediapipe not installed. Install with: pip install mediapipe")
    MEDIAPIPE_AVAILABLE = False

# 为了保持向后兼容，保留 DLIB_AVAILABLE 变量名
DLIB_AVAILABLE = MEDIAPIPE_AVAILABLE

try:
    from ultralytics import YOLO

    YOLO_AVAILABLE = True
except ImportError:
    print("Warning: ultralytics not installed. Install with: pip install ultralytics")
    YOLO_AVAILABLE = False

# 检查GFPGAN是否启用和可用
if ENABLE_GFPGAN:
    try:
        required_files = [
            os.path.join(os.path.dirname(__file__), "gfpgan_restorer.py"),
            os.path.join(MODELS_PATH, "gfpgan/weights/detection_Resnet50_Final.pth"),
            os.path.join(MODELS_PATH, "gfpgan/weights/parsing_parsenet.pth"),
        ]

        missing_files = [path for path in required_files if not os.path.exists(path)]
        if missing_files:
            for file_path in missing_files:
                logger.info("GFPGAN 所需文件暂未找到，将等待模型同步: %s", file_path)

        from gfpgan_restorer import GFPGANRestorer  # noqa: F401
        GFPGAN_AVAILABLE = True

        if missing_files:
            logger.warning(
                "GFPGAN 文件尚未全部就绪，将在 HuggingFace/BOS 同步完成后继续初始化: %s",
                ", ".join(missing_files),
            )
        else:
            logger.info("GFPGAN photo restoration feature prerequisites detected")
    except ImportError as e:
        print(f"Warning: GFPGAN enabled but not available: {e}")
        GFPGAN_AVAILABLE = False
        logger.warning(f"GFPGAN photo restoration feature is enabled but import failed: {e}")
else:
    GFPGAN_AVAILABLE = False
    logger.info("GFPGAN photo restoration feature is disabled (via ENABLE_GFPGAN environment variable)")

# 检查DDColor是否启用和可用
if ENABLE_DDCOLOR:
    try:
        from ddcolor_colorizer import DDColorColorizer
        DDCOLOR_AVAILABLE = True
        logger.info("DDColor feature is enabled and available")
    except ImportError as e:
        print(f"Warning: DDColor enabled but not available: {e}")
        DDCOLOR_AVAILABLE = False
        logger.warning(f"DDColor feature is enabled but import failed: {e}")
else:
    DDCOLOR_AVAILABLE = False
    logger.info("DDColor feature is disabled (via ENABLE_DDCOLOR environment variable)")

# 只使用GFPGAN修复器
SIMPLE_RESTORER_AVAILABLE = False

# 检查Real-ESRGAN是否启用和可用
if ENABLE_REALESRGAN:
    try:
        from realesrgan_upscaler import RealESRGANUpscaler
        REALESRGAN_AVAILABLE = True
        logger.info("Real-ESRGAN super resolution feature is enabled and available")
    except ImportError as e:
        print(f"Warning: Real-ESRGAN enabled but not available: {e}")
        REALESRGAN_AVAILABLE = False
        logger.warning(f"Real-ESRGAN super resolution feature is enabled but import failed: {e}")
else:
    REALESRGAN_AVAILABLE = False
    logger.info("Real-ESRGAN super resolution feature is disabled (via ENABLE_REALESRGAN environment variable)")

# rembg功能开关配置
ENABLE_REMBG = os.environ.get("ENABLE_REMBG", "true").lower() in ("1", "true", "on")

# 检查rembg是否启用和可用
if ENABLE_REMBG:
    try:
        import rembg
        from rembg import new_session
        REMBG_AVAILABLE = True
        logger.info("rembg background removal feature is enabled and available")
        logger.info(f"rembg model storage path: {REMBG_MODEL_DIR}")
    except ImportError as e:
        print(f"Warning: rembg enabled but not available: {e}")
        REMBG_AVAILABLE = False
        logger.warning(f"rembg background removal feature is enabled but import failed: {e}")
else:
    REMBG_AVAILABLE = False
    logger.info("rembg background removal feature is disabled (via ENABLE_REMBG environment variable)")

CLIP_AVAILABLE = False

# 检查Anime Style是否启用和可用
if ENABLE_ANIME_STYLE:
    try:
        from anime_stylizer import AnimeStylizer
        ANIME_STYLE_AVAILABLE = True
        logger.info("Anime stylization feature is enabled and available")
    except ImportError as e:
        print(f"Warning: Anime Style enabled but not available: {e}")
        ANIME_STYLE_AVAILABLE = False
        logger.warning(f"Anime stylization feature is enabled but import failed: {e}")
else:
    ANIME_STYLE_AVAILABLE = False
    logger.info("Anime stylization feature is disabled (via ENABLE_ANIME_STYLE environment variable)")

# RVM功能开关配置
ENABLE_RVM = os.environ.get("ENABLE_RVM", "true").lower() in ("1", "true", "on")

# 检查RVM是否启用和可用
if ENABLE_RVM:
    try:
        import torch
        # 检查是否可以加载RVM模型
        RVM_AVAILABLE = True
        logger.info("RVM background removal feature is enabled and available")
    except ImportError as e:
        print(f"Warning: RVM enabled but not available: {e}")
        RVM_AVAILABLE = False
        logger.warning(f"RVM background removal feature is enabled but import failed: {e}")
else:
    RVM_AVAILABLE = False
    logger.info("RVM background removal feature is disabled (via ENABLE_RVM environment variable)")