"""
兼容层：从 Python 配置模块中构造 zoe_loader 需要的 ZoeConfig。

后端其它代码尽量只依赖这里的函数，而不直接依赖 config.py 的具体结构，
便于以后扩展。
"""

from model.Depth.zoe_loader import ZoeConfig
from model.Depth.depth_anything_v2_loader import DepthAnythingV2Config
from model.Depth.dpt_loader import DPTConfig
from model.Depth.midas_loader import MiDaSConfig
from config import AppConfig, DEFAULT_CONFIG


def load_app_config() -> AppConfig:
    """
    当前直接返回 DEFAULT_CONFIG。
    如未来需要支持多环境 / 覆盖配置，可以在这里加逻辑。
    """
    return DEFAULT_CONFIG


def build_zoe_config_from_app(app_cfg: AppConfig | None = None) -> ZoeConfig:
    """
    将 AppConfig.depth 映射为 ZoeConfig，供 zoe_loader 使用。
    如果未显式传入 app_cfg，则使用全局 DEFAULT_CONFIG。
    """
    if app_cfg is None:
        app_cfg = load_app_config()

    return ZoeConfig(
        model=app_cfg.depth.zoe_model,
        device=app_cfg.depth.device,
    )


def build_depth_anything_v2_config_from_app(
    app_cfg: AppConfig | None = None,
) -> DepthAnythingV2Config:
    """
    将 AppConfig.depth 映射为 DepthAnythingV2Config。
    """
    if app_cfg is None:
        app_cfg = load_app_config()

    return DepthAnythingV2Config(
        encoder=app_cfg.depth.da_v2_encoder,
        device=app_cfg.depth.device,
    )


def build_dpt_config_from_app(app_cfg: AppConfig | None = None) -> DPTConfig:
    if app_cfg is None:
        app_cfg = load_app_config()
    return DPTConfig(
        model_type=app_cfg.depth.dpt_model_type,
        device=app_cfg.depth.device,
    )


def build_midas_config_from_app(app_cfg: AppConfig | None = None) -> MiDaSConfig:
    if app_cfg is None:
        app_cfg = load_app_config()
    return MiDaSConfig(
        model_type=app_cfg.depth.midas_model_type,
        device=app_cfg.depth.device,
    )


def get_depth_backend_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.depth.backend


def get_inpaint_backend_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.inpaint.backend


def get_sdxl_base_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.inpaint.sdxl_base_model


def get_controlnet_base_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.inpaint.controlnet_base_model


def get_controlnet_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.inpaint.controlnet_model


def get_animation_backend_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.backend


def get_animatediff_root_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.animate_diff_root


def get_animatediff_pretrained_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.pretrained_model_path


def get_animatediff_inference_config_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.inference_config


def get_animatediff_motion_module_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.motion_module


def get_animatediff_dreambooth_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.dreambooth_model


def get_animatediff_lora_model_from_app(app_cfg: AppConfig | None = None) -> str:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.lora_model


def get_animatediff_lora_alpha_from_app(app_cfg: AppConfig | None = None) -> float:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.lora_alpha


def get_animatediff_without_xformers_from_app(app_cfg: AppConfig | None = None) -> bool:
    if app_cfg is None:
        app_cfg = load_app_config()
    return app_cfg.animation.without_xformers