#!/usr/bin/env python3

from json import dump
from os import environ
from os.path import dirname, join
from sys import exit

import bwpass
from requests import post

from bundlewrap.utils.text import validate_name

TOKEN = environ.get("NETBOX_AUTH_TOKEN")

# editorconfig-checker-disable
QUERY = """{
  device_list(tag: "bundlewrap") {
    name
    site {
      id
    }
    interfaces {
      id
      name
      enabled
      description
      mode
      untagged_vlan {
        name
      }
      tagged_vlans {
        name
      }
      link_peers {
        ... on InterfaceType {
          name
          device {
            name
          }
        }
        ... on FrontPortType {
          name
          device {
            name
          }
        }
      }
      connected_endpoints {
        ... on InterfaceType {
          name
          device {
            name
          }
        }
      }
    }
  }
  site_list {
    id
    vlans {
      name
      vid
    }
  }
}"""
# editorconfig-checker-enable

if not TOKEN:
    try:
        TOKEN = bwpass.attr("netbox.franzi.business/kunsi", "token")
    except Exception:
        print("NETBOX_AUTH_TOKEN is missing")
        exit(1)

r = post(
    "https://netbox.franzi.business/graphql/",
    headers={
        "Accept": "application/json",
        "Authorization": f"Token {TOKEN}",
    },
    json={
        "query": QUERY,
    },
)
r.raise_for_status()

data = r.json()["data"]

site_vlans = {site["id"]: site["vlans"] for site in data["site_list"]}

for device in data["device_list"]:
    if not device["name"] or not validate_name(device["name"]):
        # invalid node name, ignore
        continue

    result = {
        "interfaces": {},
        "vlans": site_vlans[device["site"]["id"]],
    }

    for interface in device["interfaces"]:
        description = ""
        peers = None

        if interface["connected_endpoints"]:
            peers = interface["connected_endpoints"]
        elif interface["link_peers"]:
            peers = interface["link_peers"]

        if interface["description"]:
            description = interface["description"]
        elif peers:
            peer_list = set()

            for i in peers:
                peer_list.add(
                    "{} ({})".format(
                        i["device"]["name"],
                        i["name"],
                    )
                )

            description = "; ".join(sorted(peer_list))
        else:
            description = ""

        assert description.isascii()

        result["interfaces"][interface["name"]] = {
            "description": description,
            "enabled": interface["enabled"],
            "mode": interface["mode"],
            "untagged_vlan": interface["untagged_vlan"]["name"]
            if interface["untagged_vlan"]
            else None,
            "tagged_vlans": sorted({v["name"] for v in interface["tagged_vlans"]}),
        }

    with open(
        join(
            dirname(dirname(__file__)),
            "configs",
            "netbox_device_{}.json".format(device["name"]),
        ),
        "w+",
    ) as f:
        dump(
            result,
            f,
            indent=4,
            sort_keys=True,
        )