#
# (c) 2016, Sumit Kumar <sumit4@netapp.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

HAS_NETAPP_LIB = False
try:
    from netapp_lib.api.zapi import zapi
    from netapp_lib.api.zapi import errors as zapi_errors
    HAS_NETAPP_LIB = True
except:
    HAS_NETAPP_LIB = False


HAS_SF_SDK = False
try:
    from solidfire.factory import ElementFactory
    from solidfire.custom.models import TimeIntervalFrequency
    from solidfire.models import Schedule, ScheduleInfo

    HAS_SF_SDK = True
except:
    HAS_SF_SDK = False


def has_netapp_lib():
    return HAS_NETAPP_LIB


def has_sf_sdk():
    return HAS_SF_SDK


def ontap_sf_host_argument_spec():

    return dict(
        hostname=dict(required=True, type='str'),
        username=dict(required=True, type='str', aliases=['user']),
        password=dict(required=True, type='str', aliases=['pass'], no_log=True),
    )


def create_sf_connection(module, port=None):
    hostname = module.params['hostname']
    username = module.params['username']
    password = module.params['password']

    if HAS_SF_SDK and hostname and username and password:
        try:
            return_val = ElementFactory.create(hostname, username, password, port=port)
            return return_val
        except:
            raise Exception("Unable to create SF connection")
    else:
        module.fail_json(msg="the python SolidFire SDK module is required")


def setup_ontap_zapi(module, vserver=None):
    hostname = module.params['hostname']
    username = module.params['username']
    password = module.params['password']

    if HAS_NETAPP_LIB:
        # set up zapi
        server = zapi.NaServer(hostname)
        server.set_username(username)
        server.set_password(password)
        if vserver:
            server.set_vserver(vserver)
        # Todo : Replace hard-coded values with configurable parameters.
        server.set_api_version(major=1, minor=21)
        server.set_port(80)
        server.set_server_type('FILER')
        server.set_transport_type('HTTP')
        return server
    else:
        module.fail_json(msg="the python NetApp-Lib module is required")