from fastapi import APIRouter, Request

router = APIRouter()

west_nigeria_states = [
    "Lagos", "Ogun", "Oyo", "Osun", "Ondo", "Ekiti", "Kwara"
]

@router.get("/nigeria")
async def get_west_nigeria_states(request: Request):
    """endpoint that returns list of states in west Nigeria"""
    if request.method != "GET":
        raise HTTPException(status_code=405, detail="Method Not Allowed")

    return {
        "method": "GET",
        "_verb": "get",
        "states": west_nigeria_states
    }