# Copyright 2012 OpenStack LLC.
# 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.
#
# vim: tabstop=4 shiftwidth=4 softtabstop=4

"""
Tenant action implementations
"""

import logging

from cliff import lister
from cliff import show

from openstackclient.common import command
from openstackclient.common import utils


class Create_Tenant(command.OpenStackCommand, show.ShowOne):
    """Create tenant command"""

    api = 'identity'
    log = logging.getLogger(__name__)

    def get_parser(self, prog_name):
        parser = super(Create_Tenant, self).get_parser(prog_name)
        parser.add_argument(
            'tenant_name',
            metavar='<tenant-name>',
            help='New tenant name')
        parser.add_argument(
            '--description',
            metavar='<tenant-description>',
            help='New tenant description')
        parser.add_argument(
            '--enabled',
            metavar='<true|false>',
            default=True,
            help='Initial tenant enabled status (default true)')
        return parser

    def get_data(self, parsed_args):
        self.log.debug('v2_0.Create_Tenant.get_data(%s)' % parsed_args)
        identity_client = self.app.client_manager.identity
        tenant = identity_client.tenants.create(
            parsed_args.tenant_name,
            description=parsed_args.description,
            enabled=parsed_args.enabled,
        )

        info = {}
        info.update(tenant._info)

        columns = sorted(info.keys())
        values = [info[c] for c in columns]
        return (columns, values)


class Delete_Tenant(command.OpenStackCommand):
    """Delete tenant command"""

    api = 'identity'
    log = logging.getLogger(__name__)

    def get_parser(self, prog_name):
        parser = super(Delete_Tenant, self).get_parser(prog_name)
        parser.add_argument(
            'tenant',
            metavar='<tenant>',
            help='Name or ID of tenant to delete')
        return parser

    def run(self, parsed_args):
        self.log.debug('v2_0.Delete_Tenant.run(%s)' % parsed_args)
        identity_client = self.app.client_manager.identity
        tenant = utils.find_resource(
            identity_client.tenants, parsed_args.tenant)
        identity_client.tenants.delete(tenant.id)
        return


class List_Tenant(command.OpenStackCommand, lister.Lister):
    """List tenant command"""

    api = 'identity'
    log = logging.getLogger(__name__)

    def get_parser(self, prog_name):
        parser = super(List_Tenant, self).get_parser(prog_name)
        parser.add_argument(
            '--long',
            action='store_true',
            default=False,
            help='Additional fields are listed in output')
        return parser

    def get_data(self, parsed_args):
        self.log.debug('v2_0.List_Tenant.get_data(%s)' % parsed_args)
        if parsed_args.long:
            columns = ('ID', 'Name', 'Description', 'Enabled')
        else:
            columns = ('ID', 'Name')
        data = self.app.client_manager.identity.tenants.list()
        return (columns,
                (utils.get_item_properties(
                    s, columns,
                    formatters={},
                ) for s in data),
               )


class Set_Tenant(command.OpenStackCommand):
    """Set tenant command"""

    api = 'identity'
    log = logging.getLogger(__name__)

    def get_parser(self, prog_name):
        parser = super(Set_Tenant, self).get_parser(prog_name)
        parser.add_argument(
            'tenant',
            metavar='<tenant>',
            help='Name or ID of tenant to change')
        parser.add_argument(
            '--name',
            metavar='<new-tenant-name>',
            help='New tenant name')
        parser.add_argument(
            '--description',
            metavar='<tenant-description>',
            help='New tenant description')
        parser.add_argument(
            '--enabled',
            metavar='<true|false>',
            help='New tenant enabled status')
        return parser

    def run(self, parsed_args):
        self.log.debug('v2_0.Set_Tenant.run(%s)' % parsed_args)
        identity_client = self.app.client_manager.identity
        tenant = utils.find_resource(
            identity_client.tenants, parsed_args.tenant)
        kwargs = {}
        if parsed_args.name:
            kwargs.update({'name': parsed_args.name})
        if parsed_args.description:
            kwargs.update({'description': parsed_args.description})
        if parsed_args.enabled:
            kwargs.update(
                {'enabled': utils.string_to_bool(parsed_args.enabled)},
            )

        if kwargs == {}:
            print "Tenant not updated, no arguments present."
            return
        tenant.update(**kwargs)
        return


class Show_Tenant(command.OpenStackCommand, show.ShowOne):
    """Show tenant command"""

    api = 'identity'
    log = logging.getLogger(__name__)

    def get_parser(self, prog_name):
        parser = super(Show_Tenant, self).get_parser(prog_name)
        parser.add_argument(
            'tenant',
            metavar='<tenant>',
            help='Name or ID of tenant to display')
        return parser

    def get_data(self, parsed_args):
        self.log.debug('v2_0.Show_Tenant.get_data(%s)' % parsed_args)
        identity_client = self.app.client_manager.identity
        tenant = utils.find_resource(
            identity_client.tenants, parsed_args.tenant)

        info = {}
        info.update(tenant._info)

        columns = sorted(info.keys())
        values = [info[c] for c in columns]
        return (columns, values)