# -*- coding: utf-8 -*-

# --------------------------------------------------------------------------
# Copyright  Commvault Systems, Inc.
# See LICENSE.txt in the project root for
# license information.
# --------------------------------------------------------------------------

"""File for operating on a Virtual Server AzureRM Subclient.

AzureRMSubclient is the only class defined in this file.

AzureRMSubclient: Derived class from VirtualServerSubClient  Base class, representing a
                           AzureRM Subclient, and to perform operations on that Subclient

AzureRMSubclient:

    full_vm_restore_out_of_place()                  --  restores the VM  specified in
                                                     to the specified client, at the
                                                        specified destination location

    full_vm_restore_in_place()              --  restores the VM specified by the
                                                    user to the same location
"""


from ..vssubclient import VirtualServerSubclient
from ...exception import SDKException
from ...client import Client
from past.builtins import basestring


class AzureRMSubclient(VirtualServerSubclient):
    """Derived class from VirtualServerSubclient  Base class, representing a
    AzureRM  virtual server subclient,and to perform operations on that subclient."""

    def __init__(self, backupset_object, subclient_name, subclient_id=None):
        """Initialize the Instance object for the given Virtual Server instance.
        Args
        class_object (backupset_object, subclient_name, subclient_id)  --  instance of the
                                         backupset class, subclient name, subclient id

        """
        self.diskExtension = [".vhd", ".avhd"]
        super(AzureRMSubclient, self).__init__(
            backupset_object, subclient_name, subclient_id)

    def full_vm_restore_out_of_place(self,
                                     vm_to_restore=None,
                                     resource_group=None,
                                     storage_account=None,
                                     proxy_client=None,
                                     restore_new_name=None,
                                     overwrite=False,
                                     power_on=False,
                                     instance_size=None,
                                     createPublicIP=True,
                                     restoreAsManagedVM=True,
                                     copy_precedence=0,
                                     restore_option=None):
        """Restores the FULL Virtual machine specified  in the input  list to the client,
            at the specified destination location.

            Args:

                vm_to_restore         (list)       --  provide the VM name to restore

                resource_group        (str)        -- provide the resource group to restore

                storage_account       (str)        -- provide the storage account to restore

                proxy_client          (str)        -- provide the proxy client to restore

                restore_new_name      (str)        -- provide the new restore name

                instance_size         (str)        -- provide the instance size of the restore VM

                createPublicIP
                        default:True   (bool)      --  creates the Public IP of the new VM

                restoreAsManagedVM
                        default:False   (bool)      --  new VM will be restored as unmanaged VM


                overwrite
                        default:False   (bool)      --  overwrite the existing VM

                poweron
                        default:False   (bool)      --  power on the  restored VM


                restore_option      (dict)     --  complete dictionary with all advanced optio
                    default: {}

            Returns:
                object - instance of the Job class for this restore job

            Raises:
                SDKException:

                    if destination_path is not a string

                    if failed to initialize job

                    if response is empty

                    if response is not success
        """
        # restore options
        if restore_option is None:
            restore_option = {}

        # check input parameters are correct
        if bool(restore_option):
            if not (isinstance(overwrite, bool) and
                    isinstance(power_on, bool)):
                raise SDKException('Subclient', '101')

        self._set_restore_inputs(
            restore_option,
            vm_to_restore=self._set_vm_to_restore(vm_to_restore),
            unconditional_overwrite=overwrite,
            power_on=power_on,
            copy_precedence=copy_precedence,
            volume_level_restore=1,
            esx_host=resource_group,
            datastore=storage_account,
            client_name=proxy_client,
            in_place=False,
            createPublicIP=createPublicIP,
            restoreAsManagedVM=restoreAsManagedVM,
            instanceSize=instance_size,
            restore_new_name=restore_new_name
        )

        # set attr for all the option in restore xml from user inputs

        request_json = self._prepare_fullvm_restore_json(restore_option)
        return self._process_restore_response(request_json)

    def full_vm_restore_in_place(self,
                                 vm_to_restore=None,
                                 overwrite=True,
                                 power_on=False,
                                 createPublicIP=True,
                                 restoreAsManagedVM=True,
                                 copy_precedence=0):
        """Restores the FULL Virtual machine specified  in the input  list to the client,
            to the location same as source .

            Args:
                vm_to_restore         (list)       --  provide the VM name to restore

                createPublicIP
                        default:True   (bool)      --  creates the Public IP of the new VM

                restoreAsManagedVM
                        default:False   (bool)      --  new VM will be restored as unmanaged VM

                overwrite
                        default:true   (bool)      --  overwrite the existing VM

                poweron
                        default:true   (bool)      --  power on the  restored VM


            Returns:
                object - instance of the Job class for this restore job

            Raises:
                SDKException:

                    if failed to initialize job

                    if response is empty

                    if response is not success
        """
        restore_option = {}
        # check mandatory input parameters are correct
        if not (isinstance(overwrite, bool) and
                isinstance(power_on, bool)):
            raise SDKException('Subclient', '101')
        # set attr for all the option in restore xml from user inputs
        self._set_restore_inputs(
            restore_option,
            vm_to_restore=self._set_vm_to_restore(vm_to_restore),
            unconditional_overwrite=overwrite,
            power_on=power_on,
            copy_precedence=copy_precedence,
            volume_level_restore=1,
            createPublicIP=createPublicIP,
            restoreAsManagedVM=restoreAsManagedVM,
            in_place=True
        )
        request_json = self._prepare_fullvm_restore_json(restore_option)
        return self._process_restore_response(request_json)
    