#! /usr/bin/env python3
from os import environ
from typing import Any
from typing import cast

import requests


NOMAD_ADDR = environ.get("NOMAD_ADDR", "http://127.0.0.1:4646")
NOMAD_TOKEN = environ.get("NOMAD_TOKEN")


def nomad_req(
    *path: str, params: dict[str, Any] | None = None, method="GET"
) -> list[dict[str, Any]] | dict[str, Any] | str:
    headers = {}
    if NOMAD_TOKEN:
        headers["X-Nomad-Token"] = NOMAD_TOKEN

    response = requests.request(
        method,
        f"{NOMAD_ADDR}/v1/{'/'.join(path)}",
        params=params,
        headers=headers,
    )
    response.raise_for_status()

    try:
        return response.json()
    except requests.exceptions.JSONDecodeError:
        return response.text


for namespace in nomad_req("services"):
    namespace = cast(dict[str, Any], namespace)
    for service in namespace["Services"]:
        service_name = service["ServiceName"]
        for service_instance in nomad_req("service", service_name):
            service_instance = cast(dict[str, Any], service_instance)
            service_id = service_instance["ID"]
            alloc_id = service_instance["AllocID"]

            try:
                alloc = nomad_req("allocation", alloc_id)
                continue
            except requests.exceptions.HTTPError as e:
                if e.response.status_code == 404:
                    print(
                        f"alloc {alloc_id} not found for {service_name}. Deleting {service_id}"
                    )
                    nomad_req("service", service_name, service_id, method="DELETE")
                raise e