from datetime import timedelta

from fastapi import APIRouter, Depends, HTTPException, status
from fastapi.responses import JSONResponse, Response
from fastapi.security import OAuth2PasswordRequestForm

from module.models import APIResponse
from module.models.user import User, UserUpdate
from module.security.api import (
    active_user,
    auth_user,
    get_current_user,
    update_user_info,
)
from module.security.jwt import create_access_token

from .response import u_response

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


@router.post("/login", response_model=dict)
async def login(response: Response, form_data=Depends(OAuth2PasswordRequestForm)):
    user = User(username=form_data.username, password=form_data.password)
    resp = auth_user(user)
    if resp.status:
        token = create_access_token(
            data={"sub": user.username}, expires_delta=timedelta(days=1)
        )
        response.set_cookie(key="token", value=token, httponly=True, max_age=86400)
        return {"access_token": token, "token_type": "bearer"}
    return u_response(resp)


@router.get(
    "/refresh_token", response_model=dict, dependencies=[Depends(get_current_user)]
)
async def refresh(response: Response):
    token = create_access_token(
        data={"sub": active_user[0]}, expires_delta=timedelta(days=1)
    )
    response.set_cookie(key="token", value=token, httponly=True, max_age=86400)
    return {"access_token": token, "token_type": "bearer"}


@router.get(
    "/logout", response_model=APIResponse, dependencies=[Depends(get_current_user)]
)
async def logout(response: Response):
    active_user.clear()
    response.delete_cookie(key="token")
    return JSONResponse(
        status_code=200,
        content={"msg_en": "Logout successfully.", "msg_zh": "登出成功。"},
    )


@router.post("/update", response_model=dict, dependencies=[Depends(get_current_user)])
async def update_user(user_data: UserUpdate, response: Response):
    old_user = active_user[0]
    if update_user_info(user_data, old_user):
        token = create_access_token(
            data={"sub": old_user}, expires_delta=timedelta(days=1)
        )
        response.set_cookie(
            key="token",
            value=token,
            httponly=True,
            max_age=86400,
        )
        return {
            "access_token": token,
            "token_type": "bearer",
            "message": "update success",
        }