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


def _cfg():
    s = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    base = str(s.get("server_url") or "https://api.recordedfuture.com").rstrip("/")
    headers = {"X-RFToken": s.get("api_token", ""), "Accept": "application/json"}
    return base, headers


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


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


def run():
    inp = _inputs()
    params = {
        "limit": inp.get("limit") or 50,
        "orderby": "triggered",
        "direction": inp.get("direction") or "desc",
        "status": inp.get("status"),
        "alertRule": inp.get("alert_rule"),
        "freetext": inp.get("freetext"),
    }
    trig = inp.get("triggered")
    if trig:
        t = str(trig)
        # A bare timestamp/relative value becomes the lower bound of a range.
        params["triggered"] = t if ("[" in t or "," in t) else ("[" + t + ",]")
    print(json.dumps(request("/v2/alert/search", 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)
