"""
通用依赖项模块，包含常用的FastAPI依赖项函数
"""

from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from sqlalchemy.orm import Session

from app.models.database import get_db
from app.services.user import UserService
from app.schemas.user import UserResponse

# OAuth2密码Bearer
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/users/login")


async def get_current_active_user(db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
    """获取当前活跃用户"""
    user = UserService.get_current_user(db, token)
    if not user:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Could not validate credentials",
            headers={"WWW-Authenticate": "Bearer"},
        )
    if hasattr(user, 'status') and user.status != "active":
        raise HTTPException(status_code=400, detail="Inactive user")
    return user