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


def _cfg():
    s = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    base = str(s.get("url") or "https://api.sekoia.io").rstrip("/")
    headers = {"Authorization": "Bearer " + s.get("api_key", ""), "Content-Type": "application/json", "Accept": "application/json"}
    return base, headers


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


def request(method, path, params=None):
    base, headers = _cfg()
    url = base + "/" + path.lstrip("/")
    if params:
        clean = {k: v for k, v in params.items() if v not in (None, "")}
        if clean:
            url += "?" + urllib.parse.urlencode(clean, doseq=True)
    req = urllib.request.Request(url, headers=headers, method=method)
    with urllib.request.urlopen(req, timeout=90) as r:
        raw = r.read()
        return json.loads(raw) if raw else {}


def _range(value):
    # A bare date is the lower bound ("<date>,now"); a full range is passed through.
    v = str(value)
    return v if "," in v else (v + ",now")


def run():
    inp = _inputs()
    params = {
        "offset": inp.get("offset") or 0,
        "direction": inp.get("direction") or "asc",
        "sort": inp.get("sort_by") or "created_at",
    }
    if inp.get("limit"):
        params["limit"] = inp["limit"]
    if inp.get("status"):
        params["match[status_name]"] = inp["status"]
    if inp.get("created_at"):
        params["date[created_at]"] = _range(inp["created_at"])
    if inp.get("updated_at"):
        params["date[updated_at]"] = _range(inp["updated_at"])
    if inp.get("urgency"):
        params["range[urgency]"] = inp["urgency"]
    if inp.get("alerts_type"):
        params["match[type_value]"] = inp["alerts_type"]
    print(json.dumps(request("GET", "/v1/sic/alerts", params=params)))


try:
    run()
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)
