module xos-core-service {
  namespace "urn:xos:core:service";
  prefix xos-cs;

  import complex-types { prefix ct; }

  revision 2015-10-01 {
    description "Initial revision.";
  }

  grouping service-attribute {
    leaf name { type string { length 128; } }
    leaf value { type string { length 1024; } }
    leaf service {
      type instance-identifier { ct:instance-type Service; require-instance true; }
    }
  }

  grouping service-role {
    leaf role {
      type enumeration {
        enum "admin";
        //enum "Admin";
      }
    }
  }

  grouping common-model-attr {
    leaf kind {
      type string { length 30; }
      default "generic";
    }
    leaf name { type string { length 255; } }
  }

  ct:complex-type ServiceElement {
    ct:abstract true;
    leaf enabled { type boolean; default true; }
  }
  
  ct:complex-type Service {
    ct:extends ServiceElement;
    
    leaf description {
      type string { length 255; }
      description "Description of Service";
    }
    leaf published { type boolean; default true; }

    uses common-model-attr {
      refine kind {
        description "Kind of Service";
      }
      refine name {
        description "Service Name";
      }
    }
  }

  ct:complex-type User {
    ct:extends ServiceElement;
    // TBD - should go to a separate xos-core-user module or such
  }
  
  ct:complex-type ServicePrivilege {
    key "user-service-role";
    
    leaf user {
      type instance-identifier { ct:instance-type User; require-instance true; }
    }
    leaf service {
      type instance-identifier { ct:instance-type Service; }
    }
    uses service-role;
  }

  ct:complex-type TenantRoot {
    ct:extends ServiceElement;
    
    description
      "A tenantRoot is one of the things that can sit at the root of a chain
        of tenancy. This object represents a node.";
    uses common-model-attr;
  }

  ct:complex-type ContainerImage {
    // TBD
  }
  
  ct:complex-type Tenancy {
    ct:extends ServiceElement;
    
    description
      "A Tenancy describes relationship between a subscriber and a provider";
    
    uses common-model-attr;

    leaf provider { type instance-identifer { ct:instance-type Service; } }
    leaf subscriber {
      type instance-identifier {
        ct:instance-type ServiceElement;
      }
    }

    // adding stuff from TenantWithContainer here...
    leaf creator { type instance-identifier { ct:instance-type User; } }
    leaf image { type instance-identifier { ct:instance-type ContainerImage; } }
  }

  ct:complex-type Subscriber {
    ct:extends TenantRoot;
    refine kind { default "Subscriber"; }
  }

  ct:complex-type Provider {
    ct:extends TenantRoot;
    refine kind { default "Provider"; }
  }
  
}