from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.ext.asyncio import AsyncSession

from db.session import get_db
from core.deps import get_current_admin

from domains.groups.schemas import (
    GroupCreate,
    GroupResponse,
    AddMemberRequest
)

from domains.groups.service import (
    create_new_group,
    add_member_to_group,
)


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


@router.post(
    "/",
    response_model=GroupResponse
)
async def create_group(
    payload: GroupCreate,
    db: AsyncSession = Depends(get_db),
    admin=Depends(get_current_admin)
):

    group = await create_new_group(
        db,
        payload.name
    )

    return group


@router.post("/{group_id}/members")
async def add_member(
    group_id: str,
    payload: AddMemberRequest,
    db: AsyncSession = Depends(get_db),
    admin=Depends(get_current_admin)
):

    try:
        membership = await add_member_to_group(
            db,
            group_id,
            payload.user_id,
        )
    except ValueError as e:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail=str(e)
        )

    return membership