module Fog
  module Compute
    class Aliyun
      class Real
        # {Aliyun API Reference}[https://docs.aliyun.com/?spm=5176.100054.3.1.DGkmH7#/pub/ecs/open-api/instance&createinstance]
        def create_server(imageId, securityGroupId, instanceType, options = {})
          _action = 'CreateInstance'
          _sigNonce = randonStr
          _time = Time.new.utc

          _parameters = defalutParameters(_action, _sigNonce, _time)
          _pathURL = defaultAliyunUri(_action, _sigNonce, _time)

          _parameters['ImageId'] = imageId
          _pathURL += '&ImageId=' + imageId

          _parameters['InstanceType'] = instanceType
          _pathURL += '&InstanceType=' + instanceType

          _parameters['SecurityGroupId'] = securityGroupId
          _pathURL += '&SecurityGroupId=' + securityGroupId

          _ZoneId = options[:ZoneId]
          if _ZoneId
            _parameters['ZoneId'] = _ZoneId
            _pathURL += '&ZoneId=' + _ZoneId
          end

          _InstanceName = options[:InstanceName]
          if _InstanceName
            _parameters['InstanceName'] = _InstanceName
            _pathURL += '&InstanceName=' + _InstanceName
          end

          _Description = options[:Description]
          if _Description
            _parameters['Description'] = _Description
            _pathURL += '&Description=' + _Description
          end

          _InternetChargeType = options[:InternetChargeType]
          if _InternetChargeType
            _parameters['InternetChargeType'] = _InternetChargeType
            _pathURL += '&InternetChargeType=' + _InternetChargeType
          end

          _HostName = options[:HostName]
          if _HostName
            _parameters['HostName'] = _HostName
            _pathURL += '&HostName=' + _HostName
          end

          _Password = options[:Password]
          if _Password
            _parameters['Password'] = _Password
            _pathURL += '&Password=' + _Password
          end

          _VSwitchId = options[:VSwitchId]
          _PrivateIpAddress = options[:PrivateIpAddress]
          if _VSwitchId
            _parameters['VSwitchId'] = _VSwitchId
            _pathURL += '&VSwitchId=' + _VSwitchId

            if _PrivateIpAddress
              _parameters['PrivateIpAddress'] = _PrivateIpAddress
              _pathURL += '&PrivateIpAddress=' + _PrivateIpAddress
            end
          else

            _InternetMaxBandwidthIn = options[:InternetMaxBandwidthIn]
            if _InternetMaxBandwidthIn
              _parameters['InternetMaxBandwidthIn'] = _InternetMaxBandwidthIn
              _pathURL += '&InternetMaxBandwidthIn=' + _InternetMaxBandwidthIn
            end

            _InternetMaxBandwidthOut = options[:InternetMaxBandwidthOut]
            if _InternetMaxBandwidthOut
              _parameters['InternetMaxBandwidthOut'] = _InternetMaxBandwidthOut
              _pathURL += '&InternetMaxBandwidthOut=' + _InternetMaxBandwidthOut
            end
          end

          _signature = sign(@aliyun_accesskey_secret, _parameters)
          _pathURL += '&Signature=' + _signature

          request(
            expects: [200, 203],
            method: 'GET',
            path: _pathURL
          )
        end
      end

      class Mock
        def create_server(name, image_ref, flavor_ref, options = {})
          response = Excon::Response.new
          response.status = 202

          server_id = Fog::Mock.random_numbers(6).to_s
          identity = Fog::Identity::OpenStack.new openstack_auth_url: credentials[:openstack_auth_url]
          user = identity.users.find do |u|
            u.name == @openstack_username
          end

          user_id = if user
                      user.id
                    else
                      response = identity.create_user(@openstack_username,
                                                      'password',
                                                      "#{@openstack_username}@example.com")
                      response.body['user']['id']
          end

          mock_data = {
            'addresses'    => { 'Private' => [{ 'addr' => Fog::Mock.random_ip }] },
            'flavor'       => { 'id' => flavor_ref, 'links' => [{ 'href' => 'http://nova1:8774/admin/flavors/1', 'rel' => 'bookmark' }] },
            'id'           => server_id,
            'image'        => { 'id' => image_ref, 'links' => [{ 'href' => "http://nova1:8774/admin/images/#{image_ref}", 'rel' => 'bookmark' }] },
            'links'        => [{ 'href' => 'http://nova1:8774/v1.1/admin/servers/5', 'rel' => 'self' }, { 'href' => 'http://nova1:8774/admin/servers/5', 'rel' => 'bookmark' }],
            'hostId'       => '123456789ABCDEF01234567890ABCDEF',
            'metadata'     => options['metadata'] || {},
            'name'         => name || "server_#{rand(999)}",
            'accessIPv4'   => options['accessIPv4'] || '',
            'accessIPv6'   => options['accessIPv6'] || '',
            'progress'     => 0,
            'status'       => 'BUILD',
            'created'      => '2012-09-27T00:04:18Z',
            'updated'      => '2012-09-27T00:04:27Z',
            'user_id'      => user_id,
            'config_drive' => options['config_drive'] || ''
          }

          if nics = options['nics']
            nics.each do |_nic|
              mock_data['addresses'].merge!(
                'Public' => [{ 'addr' => Fog::Mock.random_ip }]
              )
            end
          end

          response_data = {}
          if options['return_reservation_id'] == 'True'
            response_data = { 'reservation_id' => "r-#{Fog::Mock.random_numbers(6)}" }
          else
            response_data = {
              'adminPass'       => 'password',
              'id'              => server_id,
              'links'           => mock_data['links']
            }
          end

          if block_devices = options['block_device_mapping_v2']
            block_devices.each { |bd| compute.volumes.get(bd[:uuid]).attach(server_id, bd[:device_name]) }
          elsif block_device = options['block_device_mapping']
            compute.volumes.get(block_device[:volume_id]).attach(server_id, block_device[:device_name])
          end

          data[:last_modified][:servers][server_id] = Time.now
          data[:servers][server_id] = mock_data
          if options['security_groups']
            groups = Array(options['security_groups']).map do |sg|
              if sg.is_a?(Fog::Compute::OpenStack::SecurityGroup)
                sg.name
              else
                sg
              end
            end

            data[:server_security_group_map][server_id] = groups
            response_data['security_groups'] = groups
          end

          data[:last_modified][:servers][server_id] = Time.now
          data[:servers][server_id] = mock_data
          response.body = if options['return_reservation_id'] == 'True'
                            response_data
                          else
                            { 'server' => response_data }
                          end
          response
        end
      end
    end
  end
end