module cord-subscriber {
  namespace "urn:cord:subscriber";
  prefix cord-sub;
  yang-version 1.1;

  organization
   "Open Networking Lab (CORD) / Corenova Technologies";

  contact
    "Larry Peterson <llp@onlab.us>
     Peter K. Lee <peter@corenova.com>";
  
  import xos-core        { prefix xos; }
  import cord-device     { prefix dev; }
  import ietf-yang-types { prefix yang; }
  import yang-node-link  { prefix node; }

  revision 2016-07-14 {
    description "Initial revision.";
  }
  
  identity cord-subscriber { base xos:subscriber; }

  grouping subscriber {
    uses xos:subscriber {
      refine kind { default cord-subscriber; }
    }
    leaf status {
      type enumeration {
        enum "enabled" {
          description "Enabled";
          value 1;
        }
        enum "suspended" {
          description "Suspended";
        }
        enum "delinquent" {
          description "Delinquent";
        }
        enum "violation" {
          description "Copyright Violation";
        }
      }
      default enabled;
    }
    leaf demo { type boolean; default false; }
    leaf uplink-speed {
      type dev:bandwidth;
      default 1000000000;      
    }
    leaf downlink-speed {
      type dev:bandwidth;
      default 1000000000;      
    }

    container services {
      description
        "Contains various services available to the subscriber";
      
      container cdn {
        leaf enabled { type boolean; default false; }
      }
      container firewall {
        leaf enabled { type boolean; default false; }
        leaf-list rules {
          // should qualify further
          type string;
        }
      }
      container url-filter {
        leaf enabled { type boolean; default false; }
        leaf level {
          type enumeration {
            enum "PG";
            // other types of level...
          }
        }
        leaf-list rules {
          // should qualify further
          type string;
        }
      }
      container uverse {
        leaf enabled { type boolean; default false; }
      }
    }

    list devices {
      uses dev:device;
      key 'mac';

      action create {
        input {
          leaf mac {
            type yang:mac-address;
            mandatory true;
          }
          // other acceptable attributes that can be used during create
        }
      }
      action update {
        input {
          leaf mac {
            type yang:mac-address;
            //must "../.[mac = current()]";
            mandatory true;
          }
          // other acceptable attributes for updating
        }
      }
      action delete {
        input {
          leaf mac {
            type yang:mac-address;
            //must "../.[mac = current()]";
            mandatory true;
          }
          // other acceptable attributes for updating
        }
      }
    }
    
    action save {
      description "when invoked, saves the model to a safe place";
    }
  }

  grouping subscriber-controller {
    uses subscriber;

    container features {
      node:link cdn {
        path "../../services/cdn/enabled";
      }
      node:link uplink-speed {
        path "../../uplink-speed";
      }
      node:link downlink-speed {
        path "../../downlink-speed";
      }
      node:link uverse {
        path "../../services/uverse/enabled";
      }
      node:link status {
        path "../../status";
      }
      action update {
        description "when invoked, updates the features container (PUT)";
      }
    }
    
    container identity {
      node:link account-num {
        path "../../service-specific-id";
      }
      node:link name {
        path "../../name";
      }
      action update {
        description "when invoked, updates the identity container (PUT)";
      }
    }

    container related {
      // placeholder where other services can augment for their info
    }
  }

  // primary configuration tree for this module
  list subscriber {
    uses subscriber-controller;
    key 'id';

    description
      "Authorative list of all subscriber instances";

    leaf humanReadableName {
      config false;
      type string {
        pattern '^cordSubscriber-\w+$';
      }
    }
    action create;
    action delete;
  }

  // here we augment the /api/tenant/cord API configuration tree in 'xos' module
  augment "/xos:api/xos:tenant/xos:cord" {
    node:link subscriber { path "/subscriber"; }
  }
  
}