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, get_current_user

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

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


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,
        payload.description
    )

    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)
):

    membership = await add_member_to_group(
        db,
        group_id,
        payload.user_id,
        payload.role
    )

    return membership


@router.get("/me", response_model=list[GroupResponse])
async def my_groups(
    db: AsyncSession = Depends(get_db),
    user = Depends(get_current_user)
):

    return await list_user_groups(
        db,
        user.id
    )