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# (C) Copyright 2014, 2015 Hewlett Packard Enterprise Development Company LP # Copyright 2017 Fujitsu LIMITED # # 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.

import logging from time import sleep

from six.moves.urllib import parse

LOG = logging.getLogger(name)

class MonascaManager(object):

  base_url = None

  def __init__(self, client):
      self.client = client

  def _parse_body(self, body):
      if type(body) is dict:
          self.next = None
          for link in body['links']:
              if link['rel'] == 'next':
                  self.next = link['href']
          return body['elements']
      else:
          return body

  def _list_rec(self, path, dim_key=None, **kwargs):
      """Get a list of metrics."""
      url_str = self.base_url + path
      if dim_key and dim_key in kwargs:
          dim_str = self.get_dimensions_url_string(kwargs[dim_key])
          kwargs[dim_key] = dim_str

      if kwargs:
          url_str += '?%s' % parse.urlencode(kwargs, True)

      body = self.client.list(
          path=url_str
      )

      return body
      #return self._parse_body(body)

  def thereis_next(self, links):
      for link in links:
          if link['rel'] == 'next':
              offset = link['href'].split('offset=')[1]
              LOG.error('Offset: {0}'.format(offset))
              return offset
      return None

  def _list(self, path, dim_key=None, **kwargs):

lista = []

      offset = kwargs.get('offset', 0)
      while True:
          kwargs['offset'] = offset
          body = self._list_rec(path, dim_key=None, **kwargs)
          LOG.error('Raw body: {0}'.format(body))
          
          offset = self.thereis_next(body['links'])
          if offset:
              lista = lista + self._parse_body(body)
              sleep(1)
          else:
             break
             #continuar = False      
      return lista

  @staticmethod
  def get_dimensions_url_string(dimensions):
      dim_list = list()
      for k, v in dimensions.items():
          # In case user specifies a dimension multiple times
          if isinstance(v, (list, tuple)):
              v = v[-1]
          if v:
              dim_str = k + ':' + v
          else:
              dim_str = k
          dim_list.append(dim_str)
      return ','.join(dim_list)