"""模型部件重命名：按查看器标签定位 GLB 节点并写回文件。"""

from typing import Any

from fastapi import APIRouter, HTTPException
from pydantic import BaseModel, Field

from services import model_edit_service

router = APIRouter()


class RenamePartInput(BaseModel):
    model: str = Field(min_length=1)
    label: str = Field(min_length=1)
    new_name: str = Field(min_length=1, max_length=100)


@router.post("/api/models/rename-part")
def rename_part(payload: RenamePartInput) -> dict[str, Any]:
    try:
        return model_edit_service.rename_part(payload.model, payload.label, payload.new_name)
    except FileNotFoundError as exc:
        raise HTTPException(status_code=404, detail=str(exc)) from exc
    except LookupError as exc:
        raise HTTPException(status_code=409, detail=str(exc)) from exc
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc