#coding=utf-8
#
# Copyright (c) 2021 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#

import os
import json
import re

import requests
import logging

from notificationclientsdk.common.helpers.nodeinfo_helper import NodeInfoHelper

LOG = logging.getLogger(__name__)

from notificationclientsdk.common.helpers import log_helper
log_helper.config_logger(LOG)

def notify(subscriptioninfo, notification, timeout=2, retry=3):
    result = False
    while True:
        retry = retry - 1
        try:
            headers = {'Content-Type': 'application/json'}
            data = json.dumps(notification)
            url = subscriptioninfo.EndpointUri
            response = requests.post(url, data=data, headers=headers, timeout=timeout)
            response.raise_for_status()
            result = True
            return response
        except requests.exceptions.ConnectionError as errc:
            if retry > 0:
                LOG.warning("Retry notifying due to: {0}".format(str(errc)))
                continue
            raise errc
        except requests.exceptions.Timeout as errt:
            if retry > 0:
                LOG.warning("Retry notifying due to: {0}".format(str(errt)))
                continue
            raise errt
        except requests.exceptions.RequestException as ex:
            LOG.warning("Failed to notify due to: {0}".format(str(ex)))
            raise ex
        except requests.exceptions.HTTPError as ex:
            LOG.warning("Failed to notify due to: {0}".format(str(ex)))
            raise ex
        except Exception as ex:
            LOG.warning("Failed to notify due to: {0}".format(str(ex)))
            raise ex

    return result

def parse_resource_address(resource_address):
    # The format of resource address is:
    # /{clusterName}/{siteName}(/optional/hierarchy/..)/{nodeName}/{resource}
    # Assume no optional hierarchy for now
    clusterName = resource_address.split('/')[1]
    nodeName = resource_address.split('/')[2]
    resource_path = re.split('[/]', resource_address, 3)[3]

    return clusterName, nodeName, resource_path