# 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.

from quantum import wsgi
from quantum.wsgi import Serializer


def create_request(path, body, content_type, method='GET', query_string=None):
    if query_string:
        url = "%s?%s" % (path, query_string)
    else:
        url = path
    req = wsgi.Request.blank(url)
    req.method = method
    req.headers = {}
    req.headers['Accept'] = content_type
    req.body = body
    return req


def _network_list_request(tenant_id, format='xml', detail=False,
                          query_string=None):
    method = 'GET'
    detail_str = detail and '/detail' or ''
    path = ("/tenants/%(tenant_id)s/networks"
            "%(detail_str)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method, query_string)


def network_list_request(tenant_id, format='xml', query_string=None):
    return _network_list_request(tenant_id, format, query_string=query_string)


def network_list_detail_request(tenant_id, format='xml'):
    return _network_list_request(tenant_id, format, detail=True)


def _show_network_request(tenant_id, network_id, format='xml', detail=False):
    method = 'GET'
    detail_str = detail and '/detail' or ''
    path = ("/tenants/%(tenant_id)s/networks"
            "/%(network_id)s%(detail_str)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)


def show_network_request(tenant_id, network_id, format='xml'):
    return _show_network_request(tenant_id, network_id, format)


def show_network_detail_request(tenant_id, network_id, format='xml'):
    return _show_network_request(tenant_id, network_id, format, detail=True)


def new_network_request(tenant_id, network_name='new_name',
                        format='xml', custom_req_body=None):
    method = 'POST'
    path = "/tenants/%(tenant_id)s/networks.%(format)s" % locals()
    data = custom_req_body or {'network': {'name': '%s' % network_name}}
    content_type = "application/%s" % format
    body = Serializer().serialize(data, content_type)
    return create_request(path, body, content_type, method)


def update_network_request(tenant_id, network_id, network_name, format='xml',
                           custom_req_body=None):
    method = 'PUT'
    path = ("/tenants/%(tenant_id)s/networks"
            "/%(network_id)s.%(format)s") % locals()
    data = custom_req_body or {'network': {'name': '%s' % network_name}}
    content_type = "application/%s" % format
    body = Serializer().serialize(data, content_type)
    return create_request(path, body, content_type, method)


def network_delete_request(tenant_id, network_id, format='xml'):
    method = 'DELETE'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)


def _port_list_request(tenant_id, network_id, format='xml',
                       detail=False, query_string=None):
    method = 'GET'
    detail_str = detail and '/detail' or ''
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports%(detail_str)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method, query_string)


def port_list_request(tenant_id, network_id, format='xml', query_string=None):
    return _port_list_request(tenant_id,
                              network_id,
                              format,
                              query_string=query_string)


def port_list_detail_request(tenant_id, network_id, format='xml'):
    return _port_list_request(tenant_id, network_id,
                              format, detail=True)


def _show_port_request(tenant_id, network_id, port_id,
                       format='xml', detail=False):
    method = 'GET'
    detail_str = detail and '/detail' or ''
    path = ("/tenants/%(tenant_id)s/networks/%(network_id)s"
            "/ports/%(port_id)s%(detail_str)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)


def show_port_request(tenant_id, network_id, port_id, format='xml'):
    return _show_port_request(tenant_id, network_id, port_id, format)


def show_port_detail_request(tenant_id, network_id, port_id, format='xml'):
    return _show_port_request(tenant_id, network_id, port_id,
                              format, detail=True)


def new_port_request(tenant_id, network_id, port_state,
                     format='xml', custom_req_body=None):
    method = 'POST'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports.%(format)s") % locals()
    data = (custom_req_body or port_state and
            {'port': {'state': '%s' % port_state}})
    content_type = "application/%s" % format
    body = data and Serializer().serialize(data, content_type)
    return create_request(path, body, content_type, method)


def port_delete_request(tenant_id, network_id, port_id, format='xml'):
    method = 'DELETE'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports/%(port_id)s.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)


def update_port_request(tenant_id, network_id, port_id, port_state,
                        format='xml', custom_req_body=None):
    method = 'PUT'
    path = ("/tenants/%(tenant_id)s/networks"
            "/%(network_id)s/ports/%(port_id)s.%(format)s") % locals()
    data = custom_req_body or {'port': {'state': '%s' % port_state}}
    content_type = "application/%s" % format
    body = Serializer().serialize(data, content_type)
    return create_request(path, body, content_type, method)


def get_attachment_request(tenant_id, network_id, port_id, format='xml'):
    method = 'GET'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports/%(port_id)s/"
            "attachment.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)


def put_attachment_request(tenant_id, network_id, port_id,
                           attachment_id, format='xml'):
    method = 'PUT'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports/%(port_id)s/"
            "attachment.%(format)s") % locals()
    data = {'attachment': {'id': attachment_id}}
    content_type = "application/%s" % format
    body = Serializer().serialize(data, content_type)
    return create_request(path, body, content_type, method)


def delete_attachment_request(tenant_id, network_id, port_id,
                              attachment_id, format='xml'):
    method = 'DELETE'
    path = ("/tenants/%(tenant_id)s/networks/"
            "%(network_id)s/ports/%(port_id)s/"
            "attachment.%(format)s") % locals()
    content_type = "application/%s" % format
    return create_request(path, None, content_type, method)