from uuid import UUID
from fastapi import APIRouter, HTTPException, Security
from fastapi.params import Depends
from sqlalchemy.orm import Session

from app.database import get_db
from app.schemas.user import User, UserCreate, UserUpdate
from app.models.user import User as DbUser
from app.security import get_api_key

router = APIRouter(
    prefix="/users",
    tags=["User (v1)"],
)

@router.get(path="", response_model=list[User])
async def get_users(
    skip: int = 0,
    limit: int = 20,
    api_key: str = Security(get_api_key),
    db: Session = Depends(get_db)
):
    return db.query(DbUser).offset(skip).limit(limit).all()

@router.get(path="/{user_id}", response_model=User)
async def get_user(
    user_id: UUID,
    api_key: str = Security(get_api_key),
    db: Session = Depends(get_db)
):
    user = db.get(DbUser, user_id)
    if user == None:
        raise HTTPException(status_code=404, detail="User not found")
    return user

@router.post(path="", status_code=201, response_model=User)
async def create_user(
    create_user: UserCreate,
    api_key: str = Security(get_api_key),
    db: Session = Depends(get_db)
):
    db_user = DbUser(
        friendly_name=create_user.friendly_name,
        is_active=create_user.is_active
    )
    db.add(db_user)
    db.commit()
    db.refresh(db_user)
    return db_user

@router.patch(path="/{user_id}", response_model=User)
async def update_user(
    user_id: UUID,
    user_update: UserUpdate,
    api_key: str = Security(get_api_key),
    db: Session = Depends(get_db)
):
    user = db.get(DbUser, user_id)
    if user is None:
        raise HTTPException(status_code=404, detail="User not found")
    for key, value in user_update.model_dump(exclude_unset=True).items():
        setattr(user, key, value)
    db.commit()
    return user

@router.delete(path="/{user_id}", response_model=None)
async def delete_user(
    user_id: UUID,
    api_key: str = Security(get_api_key),
    db: Session = Depends(get_db)
):
    user = db.get(DbUser, user_id)
    if user == None:
        raise HTTPException(status_code=404, detail="User not found")
    db.delete(user)
    db.commit()
    return []