###
# 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 -*-
""" RawPut Command for rdmc """

import re
import sys
import json

from collections import OrderedDict

from argparse import ArgumentParser

from ilorest.rdmc_helper import ReturnCodes, InvalidCommandLineError, \
                    InvalidCommandLineErrorOPTS, InvalidFileInputError, \
                    InvalidFileFormattingError, Encryption

class RawPutCommand():
    """ Raw form of the put command """
    def __init__(self):
        self.ident = {
            'name':'rawput',
            'usage': None,
            'description':'Run to send a post from '
                    'the data in the input file.\n\tMultiple PUTs can be performed in sequence by '
                    '\n\tadding more path/body key/value pairs.\n'
                '\n\texample: rawput rawput.'
                    'txt\n\n\tExample input file:\n\t{\n\t    "/redfish/'
                    'v1/systems/(system ID)/bios/Settings/":\n\t    {\n\t'
                '\t"Attributes": {\n\t\t'
                    '  "BaseConfig": "default"\n\t\t}\n\t    }\n\t}',
            'summary':'Raw form of the PUT command.',
            'aliases': [],
            'auxcommands': []
        }
        self.cmdbase = None
        self.rdmc = None
        self.auxcommands = dict()

    def run(self, line, help_disp=False):
        """ Main raw put worker function

        :param line: command line input
        :type line: string.
        """
        if help_disp:
            self.parser.print_help()
            return ReturnCodes.SUCCESS
        try:
            (options, args) = self.rdmc.rdmc_parse_arglist(self, line)
            if not line or line[0] == "help":
                self.parser.print_help()
                return ReturnCodes.SUCCESS
        except (InvalidCommandLineErrorOPTS, SystemExit):
            if ("-h" in line) or ("--help" in line):
                # self.rdmc.ui.printer(self.ident['usage'])
                return ReturnCodes.SUCCESS
            else:
                raise InvalidCommandLineErrorOPTS("")

        url = None
        headers = {}
        results = []

        if hasattr(options, 'sessionid') and options.sessionid:
            url = self.sessionvalidation(options)
        else:
            self.putvalidation(options)

        contentsholder = None

        try:
            with open(options.path, 'r') as _if:
                contentsholder = json.loads(_if.read(), object_pairs_hook=OrderedDict)
        except IOError:
            raise InvalidFileInputError("File '%s' doesn't exist. " \
                                "Please create file by running 'save' command." % options.path)
        except (ValueError):
            raise InvalidFileFormattingError("Input file '%s' was not " \
                                                            "formatted properly." % options.path)

        if options.headers:
            extraheaders = options.headers.split(',')

            for item in extraheaders:
                header = item.split(':')

                try:
                    headers[header[0]] = header[1]
                except:
                    raise InvalidCommandLineError("Invalid format for --headers option.")

        if "path" in contentsholder and "body" in contentsholder:
            results.append(self.rdmc.app.put_handler(contentsholder["path"],
                                                     contentsholder["body"], headers=headers, silent=options.silent,
                                                     optionalpassword=options.biospassword, service=options.service))
        elif all([re.match("^\/(\S+\/?)+$", key) for key in contentsholder]):
            for path, body in contentsholder.items():
                results.append(self.rdmc.app.put_handler(path,
                                                         body, headers=headers, silent=options.silent,
                                                         optionalpassword=options.biospassword, service=options.service))
        else:
            raise InvalidFileFormattingError("Input file '%s' was not "\
                                             "formatted properly." % options.path)

        returnresponse = False

        if options.response or options.getheaders:
            returnresponse = True

        if results and returnresponse:
            for result in results:
                if options.getheaders:
                    sys.stdout.write(json.dumps(dict(result.getheaders())) + "\n")

                if options.response:
                    if isinstance(result.read, bytes):
                        sys.stdout.write(result.read.decode('utf-8'))
                    else:
                        sys.stdout.write(result.read)
                    sys.stdout.write("\n")

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

    def putvalidation(self, options):
        """ Raw put validation function

        :param options: command line options
        :type options: list.
        """
        self.rdmc.login_select_validation(self, options, skipbuild=True)

    def sessionvalidation(self, options):
        """ Raw put session validation function

        :param options: command line options
        :type options: list.
        """

        url = None
        if options.user or options.password or options.url:
            if options.url:
                url = options.url
        else:
            if getattr(self.rdmc.app.redfishinst, 'base_url', False):
                url = self.rdmc.app.redfishinst.base_url
        if url and not "https://" in url:
            url = "https://" + url

        return url

    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(
            'path',
            help="Path to the JSON file containing the data to be patched.",
        )
        customparser.add_argument(
            '--response',
            dest='response',
            action="store_true",
            help="Use this flag to return the iLO response body.",
            default=False
        )
        customparser.add_argument(
            '--getheaders',
            dest='getheaders',
            action="store_true",
            help="Use this flag to return the iLO response headers.",
            default=False
        )
        customparser.add_argument(
            '--headers',
            dest='headers',
            help="Use this flag to add extra headers to the request."\
            "\t\t\t\t\t Usage: --headers=HEADER:VALUE,HEADER:VALUE",
            default=None,
        )
        customparser.add_argument(
            '--silent',
            dest='silent',
            action="store_true",
            help="""Use this flag to silence responses""",
            default=False,
        )
        customparser.add_argument(
            '--service',
            dest='service',
            action="store_true",
            help="""Use this flag to enable service mode and increase the function speed""",
            default=False,
        )
