# -*- coding: utf-8 -*-
# Core Python Imports
import sys
import logging
import logging.handlers
import json
import splunk.search as splunkSearch

# CherryPy Web Controller Imports
import cherrypy
import splunk.appserver.mrsparkle.controllers as controllers
from splunk.appserver.mrsparkle.lib.decorators import expose_page
from splunk.appserver.mrsparkle.lib.routes import route
from splunk.clilib.bundle_paths import make_splunkhome_path

# Splunkd imports
import splunk

sys.path.append(make_splunkhome_path(['etc', 'apps', 'DA-ITSI-CP-vmware-dashboards', 'local', 'data']))

def setupLogger(logger=None, log_format='%(asctime)s %(levelname)s [IsNetappInstalled] %(message)s',
                level=logging.INFO, log_name="is_netapp_installed.log", logger_name="is_netapp_installed"):
    """
    Setup a logger suitable for splunkd consumption
    :param logger: Logger object
    :param log_format : Format for the log to be stored in logger.
    :param level: Logging level
    :param log_name: Name of the log file to be created
    :param logger_name: Name of the logger.
    """
    if logger is None:
        logger = logging.getLogger(logger_name)

    logger.propagate = False  # Prevent the log messages from being duplicated in the python.log file
    logger.setLevel(level)

    file_handler = logging.handlers.RotatingFileHandler(make_splunkhome_path(['var', 'log', 'splunk', log_name]),
                                                        maxBytes=2500000, backupCount=5)
    formatter = logging.Formatter(log_format)
    file_handler.setFormatter(formatter)

    logger.handlers = []
    logger.addHandler(file_handler)

    logger.debug("init netapp install check logger")

    return logger

logger = setupLogger()
splunk.setDefault()
local_host_path = splunk.mergeHostPath()

class IsNetAppInstalled(controllers.BaseController):
    '''This class will be used to check whether any data
     from Content Pack for NetApp Data ONTAP Dashboards and Reports is present or not'''

    @route('/:action=check')
    @expose_page(must_login=True, methods=['GET'])
    def check(self, action):
        """
        Sets flag value by determining the availability of Ontap data using metadata search.
        Returns netapp_installed = 0 if no Ontap data is found otherwise 1.
        :param app: DA-ITSI-CP-vmware-dashboards
        :param action: check
        :return: netapp_installed {boolean}
        """
        sessionKey = cherrypy.session.get('sessionKey')
        search = '| metadata type=sourcetypes `ontap-index`'
        logger.info('Retrieving metadata for Ontap Sourcetypes')
        results = splunkSearch.searchOne(search, hostPath=local_host_path, sessionKey=sessionKey, namespace=None, owner='nobody')
        netapp_installed = 0
        if results is not None and len(results.values()) > 0:
            netapp_installed = 1
            logger.info("Found Netapp Ontap data")
        return self.render_json(netapp_installed)