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

GRAPHQL = "/web/api/v2.1/unifiedalerts/graphql"

MUTATION = """
mutation AddNote($alertId: ID!, $text: String!) {
  addAlertNote(alertId: $alertId, text: $text) {
    data { id text createdAt author { userId fullName } }
  }
}
"""


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


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


def _graphql(query, variables):
    base, headers = _cfg()
    data = json.dumps({"query": query, "variables": variables}).encode("utf-8")
    req = urllib.request.Request(base + GRAPHQL, data=data, headers=headers, method="POST")
    with urllib.request.urlopen(req, timeout=90) as r:
        raw = r.read()
        resp = json.loads(raw) if raw else {}
    if resp.get("errors"):
        raise RuntimeError("GraphQL: " + "; ".join(e.get("message", str(e)) for e in resp["errors"]))
    return resp


def run():
    inp = _inputs()
    resp = _graphql(MUTATION, {"alertId": inp.get("alert_id", ""), "text": inp.get("note_text", "")})
    print(json.dumps(resp.get("data", {}).get("addAlertNote", {})))


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)