###
# Copyright 2016-2021 Hewlett Packard Enterprise, Inc. 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.
###

# -*- coding: utf-8 -*-
""" iLO Functionality Command for rdmc """

import json

from argparse import ArgumentParser, SUPPRESS

from rdmc_helper import (
    ReturnCodes,
    InvalidCommandLineError,
    InvalidCommandLineErrorOPTS,
    NoContentsFoundForOperationError,
    IncompatableServerTypeError,
    Encryption,
)


class DisableIloFunctionalityCommand:
    """Disables iLO functionality to the server"""

    def __init__(self):
        self.ident = {
            "name": "disableilofunctionality",
            "usage": None,
            "description": "Disable iLO functionality on the current logged in server."
            "\n\texample: disableilofunctionality\n\n\tWARNING: this will"
            " render iLO unable to respond to network operations.\n\n\t"
            "Add the --force flag to ignore critical task checking.",
            "summary": "disables iLO's accessibility via the network and resets "
            "iLO. WARNING: This should be used with caution as it will "
            "render iLO unable to respond to further network operations "
            "(including REST operations) until iLO is re-enabled using the"
            " RBSU menu.",
            "aliases": [],
            "auxcommands": [],
        }
        self.cmdbase = None
        self.rdmc = None
        self.auxcommands = dict()

    def run(self, line, help_disp=False):
        """Main DisableIloFunctionalityCommand function

        :param line: string of arguments passed in
        :type line: str.
        :param help_disp: display help flag
        :type line: bool.
        """
        if help_disp:
            self.parser.print_help()
            return ReturnCodes.SUCCESS
        try:
            (options, args) = self.rdmc.rdmc_parse_arglist(self, line)
        except (InvalidCommandLineErrorOPTS, SystemExit):
            if ("-h" in line) or ("--help" in line):
                return ReturnCodes.SUCCESS
            else:
                raise InvalidCommandLineErrorOPTS("")

        if args:
            raise InvalidCommandLineError(
                "disableilofunctionality command takes no arguments."
            )

        self.ilofunctionalityvalidation(options)

        select = "Manager."
        results = self.rdmc.app.select(selector=select)

        try:
            results = results[0]
        except:
            pass

        if results:
            path = results.resp.request.path
        else:
            raise NoContentsFoundForOperationError("Manager. not found.")

        bodydict = results.resp.dict["Oem"][self.rdmc.app.typepath.defs.oemhp]
        if bodydict["iLOFunctionalityRequired"]:
            raise IncompatableServerTypeError(
                "disableilofunctionality"
                " command is not available. iLO functionality is required"
                " and can not be disabled on this platform."
            )

        try:
            for item in bodydict["Actions"]:
                if "iLOFunctionality" in item:
                    if self.rdmc.app.typepath.defs.isgen10:
                        action = item.split("#")[-1]
                    else:
                        action = "iLOFunctionality"

                    path = bodydict["Actions"][item]["target"]
                    body = {"Action": action}
                    break
        except:
            body = {"Action": "iLOFunctionality", "Target": "/Oem/Hp"}

        if self.ilodisablechecks(options):

            self.rdmc.ui.warn(
                "Disabling iLO functionality. iLO will be unavailable on the logged "
                " in server until it is re-enabled manually.\n"
            )

            results = self.rdmc.app.post_handler(path, body, silent=True, service=True)

            if results.status == 200:
                self.rdmc.ui.printer(
                    "[%d] The operation completed successfully.\n" % results.status
                )
            else:
                self.rdmc.ui.printer(
                    "[%d] iLO responded with the following info: \n" % results.status
                )
                json_payload = json.loads(results._http_response.data)
                try:
                    self.rdmc.ui.error(
                        "%s"
                        % json_payload["error"]["@Message.ExtendedInfo"][0]["MessageId"]
                    )
                except:
                    self.rdmc.ui.error(
                        "An invalid or incomplete response was received: %s\n"
                        % json_payload
                    )

        else:
            self.rdmc.ui.error(
                "iLO is currently performing a critical task and "
                "can not be safely disabled at this time. Please try again later.\n"
            )

        self.cmdbase.logout_routine(self, options)
        # Return code
        return ReturnCodes.SUCCESS

    def ilodisablechecks(self, options):
        """Verify it is safe to actually disable iLO

        :param options: command line options
        :type options: values, attributes of class obj
        """

        if options.force:
            self.rdmc.ui.warn(
                "Force Enabled: Ignoring critical operation/mode checking.\n"
            )
            return True

        else:
            keyword_list = "idle", "complete"

            try:
                results = self.rdmc.app.select(selector="UpdateService.")[0]
            except:
                raise NoContentsFoundForOperationError("UpdateService. not found.")

            try:
                state = results.resp.dict["Oem"]["Hpe"]["State"].lower()
                for val in keyword_list:
                    if val in state:
                        return True
                return False

            except:
                raise NoContentsFoundForOperationError("iLO state not identified")

    def ilofunctionalityvalidation(self, options):
        """ilofunctionalityvalidation method validation function

        :param options: command line options
        :type options: list.
        """
        self.cmdbase.login_select_validation(self, options)

    def definearguments(self, customparser):
        """Wrapper function for new command main function

        :param customparser: command line input
        :type customparser: parser.
        """
        if not customparser:
            return

        self.cmdbase.add_login_arguments_group(customparser)

        customparser.add_argument(
            "--force",
            dest="force",
            help="Ignore any critical task checking and force disable iLO.",
            action="store_true",
            default=None,
        )
