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

MUTATION = (
    "mutation AlertTriggerActions($id: String!, $verdict: AnalystVerdict!) {"
    " alertTriggerActions("
    " filter: { or: [ { and: [ { fieldId: \"id\", stringEqual: { value: $id } } ] } ] },"
    " actions: [ { id: \"S1/alert/analystVerdictUpdate\", payload: { analystVerdict: { value: $verdict } } } ]"
    " ) { __typename ... on ActionsTriggered { actions { actionId alertCount"
    " success { id } failure { id errorType errorMessage } skip { id } } } } }"
)


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 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",
    }
    variables = {"id": inputs.get("alert_id"), "verdict": inputs.get("analyst_verdict")}
    body = {"query": MUTATION, "variables": variables}
    resp = request("POST", base + "/unifiedalerts/graphql", headers, body)
    # GraphQL answers 200 with an errors array: printed as-is, a refused update
    # would read as a successful one in the playbook that called it.
    if resp.get("errors"):
        print(json.dumps({"error": "GraphQL error", "detail": resp["errors"]}))
        sys.exit(1)
    # A refused or skipped alert comes back in the payload, not in errors: the
    # console answers 200, and printed as-is it would read as a done update.
    triggered = ((resp.get("data") or {}).get("alertTriggerActions") or {}).get("actions") or []
    failures = [f for a in triggered for f in (a.get("failure") or [])]
    skipped = [s for a in triggered for s in (a.get("skip") or [])]
    if failures or skipped or not any(a.get("success") for a in triggered):
        print(json.dumps({"error": "The console did not update the alert",
                          "failure": failures, "skip": skipped, "result": resp.get("data")}))
        sys.exit(1)
    print(json.dumps(resp))


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)