# Copyright 2019 AT&T Intellectual Property. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from robot.api import logger
from robot.api.deco import keyword
from robot.libraries.BuiltIn import BuiltIn
import time

from ONAPLibrary.RequestsHelper import RequestsHelper
from ONAPLibrary.HTTPKeywords import HTTPKeywords
from ONAPLibrary.VariableKeywords import VariableKeywords


class BaseAAIKeywords(object):
    """The main interface for interacting with AAI. It handles low level stuff like managing the http request library
    and required fields. """

    def __init__(self):
        super(BaseAAIKeywords, self).__init__()
        self.reqs = RequestsHelper()
        self.builtin = BuiltIn()
        self.http = HTTPKeywords()
        self.vars = VariableKeywords()
        aai_ip_addr = self.vars.get_globally_injected_parameters()['GLOBAL_INJECTED_AAI_IP_ADDR']
        aai_server_protocol = self.vars.get_global_parameters()['GLOBAL_AAI_SERVER_PROTOCOL']
        aai_server_port = self.vars.get_global_parameters()['GLOBAL_AAI_SERVER_PORT']
        self.aai_endpoint = aai_server_protocol + '://' + aai_ip_addr + ':' + aai_server_port

    @keyword
    def run_get_request(self, endpoint, data_path, accept="application/json", auth=None):
        """Runs an AAI get request"""
        self.http.disable_warnings()
        return self.reqs.get_request("aai", endpoint, data_path, sdc_user=None, accept=accept, auth=auth)

    @keyword
    def run_post_request(self, endpoint, data_path, data, accept="application/json", auth=None):
        """Runs an AAI post request"""
        self.http.disable_warnings()
        return self.reqs.post_request("aai", endpoint, data_path, data, sdc_user=None, files=None,
                                      accept=accept, auth=auth)

    @keyword
    def run_put_request(self, endpoint, data_path, data, accept="application/json", auth=None):
        """Runs an AAI post request"""
        self.http.disable_warnings()
        return self.reqs.put_request("aai", endpoint, data_path, data, sdc_user=None, accept=accept, auth=auth)

    @keyword
    def run_delete_request(self, endpoint, data_path, resource_version, accept="application/json", auth=None):
        """Runs an AAI delete request"""
        self.http.disable_warnings()
        return self.reqs.delete_request("aai", endpoint, data_path + '?resource-version=' + resource_version,
                                        data=None, sdc_user=None, accept=accept, auth=auth)

    @keyword
    def wait_for_node_to_exist(self, search_node_type, key, uuid, auth=None):
        logger.info('Waiting for AAI traversal to complete...')
        for i in range(30):
            time.sleep(1)
            result = self.find_node(search_node_type, key, uuid, auth=auth)
            if result:
                return result

        error_message = "AAI traversal didn't finish in 30 seconds. Something is wrong. Type {0}, UUID {1}".format(
            search_node_type, uuid)
        logger.error(error_message)
        self.builtin.fail(error_message)

    @keyword
    def find_node(self, search_node_type, key, node_uuid, auth=None):
        data_path = '/aai/v11/search/nodes-query?search-node-type={0}&filter={1}:EQUALS:{2}'.format(
            search_node_type, key, node_uuid)
        self.http.disable_warnings()
        resp = self.reqs.get_request("aai", self.aai_endpoint, data_path, accept="application/json", auth=auth)
        response = resp.json()
        return 'result-data' in response