from secrets import token_hex

from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session

from .. import config
from ..db import connection, crud, schemas

router = APIRouter(prefix="/admin")


@router.put(
    "/config",
    responses={
        status.HTTP_200_OK: {
            "content": None,
        },
        status.HTTP_403_FORBIDDEN: {
            "description": "Must be admin",
            "content": None,
        },
    },
)
async def set_config(
    new_config: config.BaseConfig,
    current_config: config.BaseConfig | None = Depends(config.get),
):
    if current_config is not None:
        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN)

    if new_config.jwt.secret is None:
        new_config.jwt.secret = token_hex(32)

    connection.reconnect(new_config.db_engine)

    config.set(new_config)


@router.post(
    "/user",
    responses={
        status.HTTP_200_OK: {
            "content": None,
        },
        status.HTTP_400_BAD_REQUEST: {
            "description": "Database doesn't exist",
            "content": None,
        },
    },
)
async def add_user(
    user_name: str,
    user_password: str,
    current_config: config.BaseConfig | None = Depends(config.get),
    db: Session | None = Depends(connection.get),
):
    if current_config is None:
        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST)

    crud.create_user(
        db=db,
        user=schemas.UserCreate(
            name=user_name,
            password=user_password,
        ),
        capabilities=["admin"],
        crypt_context=current_config.crypt_context,
    )