# -*- coding: utf-8 -*-
"""用户个人信息管理：查询与更新当前登录用户的基础资料"""
from datetime import datetime
from typing import Optional

from fastapi import APIRouter, Depends, HTTPException
from pydantic import BaseModel
from sqlalchemy.orm import Session

from backend.database import get_db
from backend.models import User
from backend.services.auth import get_current_user_id

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


class UserProfileResponse(BaseModel):
    id: int
    username: str
    role: str
    full_name: Optional[str] = None
    student_id: Optional[str] = None
    class_name: Optional[str] = None
    grade: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    created_at: datetime

    class Config:
        orm_mode = True


class UserProfileUpdateRequest(BaseModel):
    full_name: Optional[str] = None
    student_id: Optional[str] = None
    class_name: Optional[str] = None
    grade: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None


@router.get("/me", response_model=UserProfileResponse)
def get_my_profile(
    user_id: int = Depends(get_current_user_id),
    db: Session = Depends(get_db),
):
    user = db.query(User).filter(User.id == user_id).first()
    if not user:
        raise HTTPException(status_code=404, detail="用户不存在")
    return user


@router.put("/me", response_model=UserProfileResponse)
def update_my_profile(
    payload: UserProfileUpdateRequest,
    user_id: int = Depends(get_current_user_id),
    db: Session = Depends(get_db),
):
    user = db.query(User).filter(User.id == user_id).first()
    if not user:
        raise HTTPException(status_code=404, detail="用户不存在")

    for field, value in payload.dict(exclude_unset=True).items():
        setattr(user, field, value)

    db.add(user)
    db.commit()
    db.refresh(user)
    return user