# SPDX-License-Identifier: MIT
# Copyright (C) 2026 Bryan Joshua Pedini

import json
import re
import urllib.request
from pathlib import Path


def fetch(url):
    request = urllib.request.Request(url, headers={"Accept": "application/vnd.github+json", "User-Agent": "coredns-mysql-updater"})
    with urllib.request.urlopen(request, timeout=30) as response:
        return json.load(response)


release = fetch("https://api.github.com/repos/coredns/coredns/releases/latest")
plugin = fetch("https://api.github.com/repos/cloud66-oss/coredns_mysql/commits/HEAD")
tag = release["tag_name"]
revision = plugin["sha"]
if not re.fullmatch(r"v[0-9]+\.[0-9]+\.[0-9]+", tag):
    raise SystemExit(f"Unexpected CoreDNS release: {tag}")
if not re.fullmatch(r"[0-9a-f]{40}", revision):
    raise SystemExit("Unexpected plugin revision")
Path("versions.env").write_text(f"COREDNS_VERSION={tag[1:]}\nMYSQL_PLUGIN_REV={revision}\n")