import json, os, sys, urllib.parse, urllib.request, urllib.error

BASE = "https://api.scaleway.com"


def _cfg():
    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))


def _inputs():
    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))


def _zone(cfg, inputs):
    return (inputs.get("zone") if inputs else None) or cfg.get("default_zone") or "fr-par-1"


def request(method, path, cfg, params=None):
    url = BASE + path
    if params:
        clean = {k: v for k, v in params.items() if v not in (None, "")}
        if clean:
            url += "?" + urllib.parse.urlencode(clean)
    headers = {"X-Auth-Token": str(cfg.get("secret_key", "")), "Accept": "application/json"}
    req = urllib.request.Request(url, headers=headers, method=method)
    with urllib.request.urlopen(req, timeout=60) as r:
        raw = r.read()
        return json.loads(raw) if raw else {}


def _run(fn):
    try:
        print(json.dumps(fn(_cfg(), _inputs())))
    except urllib.error.HTTPError as e:
        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
        sys.exit(1)
    except Exception as e:
        print(json.dumps({"error": str(e)}))
        sys.exit(1)


q = lambda v: urllib.parse.quote(str(v), safe="")


def main(cfg, inputs):
    zone = _zone(cfg, inputs)
    return request("GET", "/instance/v1/zones/" + q(zone) + "/servers", cfg)


_run(main)