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


def request(method, url, headers, body=None):
    data = json.dumps(body).encode("utf-8") if body is not None else None
    req = urllib.request.Request(url, data=data, headers=headers, method=method)
    with urllib.request.urlopen(req, timeout=30) as resp:
        raw = resp.read()
        return json.loads(raw) if raw else {}


def csv(v):
    return [x.strip() for x in str(v or "").split(",") if x.strip()]


def main():
    secrets = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
    base = secrets.get("url", "").rstrip("/") + "/web/api/v2.1"
    headers = {
        "Authorization": "ApiToken " + secrets.get("api_token", ""),
        "Accept": "application/json",
        "Content-Type": "application/json",
    }
    # === REQUEST ===
    qs = {
        "computerName": inputs.get("computer_name"),
        "osTypes": inputs.get("os_type"),
        "scan_status": inputs.get("scan_status"),
        "siteIds": inputs.get("siteIds"),
        "groupIds": inputs.get("groupIds"),
        # Scopes the count to one or more accounts of a multi-tenant console.
        "accountIds": ",".join(csv(inputs.get("accountIds"))),
        # Agents strictly newer than the given version, e.g. 23.4.2.6 — the console
        # answers with the fleet still trailing behind a target build.
        "agentVersion__gt": inputs.get("agentVersion__gt"),
        # Comma-separated lists are re-joined so a hand-typed "connected, disconnected"
        # does not reach the API with the space inside the value.
        "networkStatuses": ",".join(csv(inputs.get("networkStatuses"))),
        "operationalStatesNin": ",".join(csv(inputs.get("operationalStatesNin"))),
        "machineTypes": ",".join(csv(inputs.get("machineTypes"))),
    }
    # Only sent when the caller actually set it: an unset boolean must not become
    # isActive=false and quietly count the inactive agents instead of all of them.
    if inputs.get("isActive") not in (None, ""):
        qs["isActive"] = "true" if inputs["isActive"] in (True, "true", "True", 1, "1") else "false"
    url = base + "/agents/count?" + urllib.parse.urlencode({k: v for k, v in qs.items() if v not in (None, "")})
    print(json.dumps(request("GET", url, headers)))
    # === END ===


try:
    main()
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)