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

BASE = "https://api.meraki.com/api/v1"


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


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


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-Cisco-Meraki-API-Key": str(cfg.get("api_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):
    network_id = inputs.get("network_id")
    if not network_id:
        raise Exception("network_id is required")
    timespan = inputs.get("timespan")

    response = request(
        "GET",
        "/networks/" + q(network_id) + "/clients",
        cfg,
        params={"timespan": int(timespan or 86400)},
    )
    return response


_run(main)