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


def _cfg():
    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))


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


def _ctx(cfg):
    if cfg.get("insecure"):
        c = ssl.create_default_context()
        c.check_hostname = False
        c.verify_mode = ssl.CERT_NONE
        return c
    return None


class Client:
    def __init__(self, cfg):
        self.cfg = cfg
        self.base = str(cfg.get("url", "")).rstrip("/") + "/PasswordVault"
        self.ctx = _ctx(cfg)
        self.token = None

    def _open(self, method, path, body=None, params=None, auth=True):
        url = self.base + path
        if params:
            clean = {k: v for k, v in params.items() if v not in (None, "")}
            if clean:
                url += "?" + urllib.parse.urlencode(clean)
        data = json.dumps(body).encode("utf-8") if body is not None else None
        headers = {"Accept": "application/json"}
        if auth and self.token:
            headers["Authorization"] = self.token
        if data is not None:
            headers["Content-Type"] = "application/json"
        req = urllib.request.Request(url, data=data, headers=headers, method=method)
        with urllib.request.urlopen(req, timeout=60, context=self.ctx) as r:
            raw = r.read()
            return json.loads(raw) if raw else {}

    def logon(self):
        method = str(self.cfg.get("auth_method") or "Cyberark").strip() or "Cyberark"
        body = {
            "username": self.cfg.get("username", ""),
            "password": self.cfg.get("password", ""),
            "concurrentSession": True,
        }
        tok = self._open("POST", "/API/auth/" + urllib.parse.quote(method, safe="") + "/Logon", body=body, auth=False)
        # tok is the session token (a plain string when parsed from the JSON body)
        self.token = tok if isinstance(tok, str) else str(tok)
        return self.token

    def logoff(self):
        try:
            self._open("POST", "/API/Auth/Logoff", body={})
        except Exception:
            pass

    def call(self, method, path, body=None, params=None):
        return self._open(method, path, body=body, params=params)


def _run(fn):
    try:
        cfg = _cfg()
        inputs = _inputs()
        client = Client(cfg)
        client.logon()
        try:
            result = fn(client, inputs)
        finally:
            client.logoff()
        print(json.dumps(result))
    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)


q = lambda v: urllib.parse.quote(str(v), safe="")


def main(client, inputs):
    account_id = inputs.get("account_id")
    if not account_id:
        raise Exception("account_id is required")
    change_entire_group = bool(inputs.get("change_entire_group") or False)
    result = client.call(
        "POST",
        "/API/Accounts/" + q(account_id) + "/Change",
        body={"ChangeEntireGroup": change_entire_group},
    )
    return result if result else {"ok": True}


_run(main)
