<?xml version="1.0" encoding="utf-8"?>
<xs:schema targetNamespace="http://www.microsoft.com/networking/CarrierControl/Plans/v1"
    elementFormDefault="qualified"
    xmlns="http://www.microsoft.com/networking/CarrierControl/Plans/v1"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:base="http://www.microsoft.com/networking/CarrierControl/Base/v1"
>

  <xs:import namespace="http://www.microsoft.com/networking/CarrierControl/Base/v1"/>

  <!-- Plan Definition -->
  <xs:complexType name="BillingCycleType">
    <xs:attribute name="StartDate" type="xs:dateTime" use="required"/>
    <xs:attribute name="Duration" use="required">
      <xs:simpleType>
        <xs:restriction base="xs:duration">
          <xs:minExclusive value="PT0S"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="Resets" type="xs:boolean" default="true"/>
  </xs:complexType>

  <xs:simpleType name="PlanType">
    <xs:annotation>
      <xs:documentation>
        PlanType expresses the incremental cost of a plan:
          - Unrestricted:  There is no incremental cost for consumption on this plan
          - Fixed:  Consumption goes against a quota which the user has purchased / agreed to purchase
          - Variable:  The user will be billed for incremental usage on this plan
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
      <xs:enumeration value="Unrestricted"/>
      <xs:enumeration value="Fixed"/>
      <xs:enumeration value="Variable"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:element name="Plan">
    <xs:complexType>
      <xs:choice>
        <xs:sequence>
          <xs:element ref="Description"/>
          <xs:element ref="Usage" minOccurs="0"/>
        </xs:sequence>
        <xs:sequence>
          <xs:element ref="Usage"/>
        </xs:sequence>
      </xs:choice>
      <xs:attribute type="xs:string" name="Name" use="required"/>
    </xs:complexType>
  </xs:element>

  <xs:element name="Description" type="DescriptionBaseType"/>
  <xs:complexType name="DescriptionBaseType">
    <xs:sequence>
      <xs:element name="BillingCycle" type="BillingCycleType" minOccurs="0"/>
      <xs:element name="DataLimitInMegabytes" type="xs:positiveInteger" minOccurs="0"/>
      <xs:element name="InboundBandwidthInKbps" type="xs:nonNegativeInteger" minOccurs="0"/>
      <xs:element name="OutboundBandwidthInKbps" type="xs:nonNegativeInteger" minOccurs="0"/>
      <xs:element name="MaxTransferSizeInMegabytes" type="xs:positiveInteger" minOccurs="0"/>
      <xs:element name="SecurityUpdatesExempt" type="xs:boolean" default="false" minOccurs="0"/>
      <xs:element name="DataUsageInMobileOperatorNotificationEnabled" type="xs:boolean" default="false" minOccurs="0"/>
      <xs:element name="UserSMSEnabled" type="xs:boolean" default="false" minOccurs="0"/>
    </xs:sequence>
    <xs:attribute type="PlanType" name="PlanType" use="required"/>
  </xs:complexType>

  <xs:element name="Usage" type="PlanUsageType"/>
  <xs:complexType name="PlanUsageType">
    <xs:attribute name="OverLimit" type="xs:boolean"/>
    <xs:attribute name="Congested" type="xs:boolean"/>
    <xs:attribute name="CurrentUsage" type="xs:nonNegativeInteger" use="required"/>
    <xs:attribute name="UsageTimestamp" type="xs:dateTime" use="required"/>
  </xs:complexType>
</xs:schema>