#
#==================================================================================
#   Copyright (c) 2019 AT&T Intellectual Property.
#   Copyright (c) 2019 Nokia
#
#   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.
#
#   This source code is part of the near-RT RIC (RAN Intelligent Controller)
#   platform project (RICP).
#
#==================================================================================
#
#
#
#   Abstract:   Routing Manager's RESTful API definition
#   Date:       28 August 2019
#
swagger: "2.0"
info:
  title: Routing Manager
  description: "This is the Swagger/OpenAPI 2.0 definition of Routing Manager's Northbound API."
  version: "0.4.0"
  license:
    name: "Apache 2.0"
    url: "http://www.apache.org/licenses/LICENSE-2.0.html"
host: "rtmgr"
basePath: "/ric/v1"
tags:
- name: "handle"
  description: "Available handles"
#  externalDocs:
#    description: "Find out more"
#    url: "http://127.0.0.1"
- name: "health"
  description: "Health of the system"
schemes:
#- "https"
- "http"
paths:
  /health:
    get:
      tags:
      - "health"
      summary: "Retrive the health of Routing Manager"
      description: "By performing a GET method on the health resource, the API caller is able to retrieve the health of Routing Manager"
      operationId: "get_health"
      consumes:
      - "application/json"
#      - "application/yaml"
      produces:
      - "application/json"
#      - "application/yaml"
      responses:
        200:
          description: "The health of the system"
          schema:
            "$ref": "#/definitions/health-status"
  /handles:
    get:
      tags:
      - "handle"
      summary: "Placeholder for further usage"
      description: "Placeholder for further usage."
      operationId: "get_handles"
      consumes:
      - "application/json"
#      - "application/yaml"
      produces:
      - "application/json"
#      - "application/yaml"
      responses:
        200:
          description: "Dummy response"
  /handles/xapp-handle:
    post:
      tags:
      - "handle"
      summary: "Provide callback"
      description: "By performing a POST method on the xapp-handle resource, the API caller is able to perform a callback on Routing Manager."
      operationId: "provide_xapp_handle"
      consumes:
      - "application/json"
#      - "application/yaml"
      produces:
      - "application/json"
#      - "application/yaml"
      parameters:
      - in: "body"
        name: "xapp-callback-data"
        description: "xApp related callback data"
        required: true
        schema:
          $ref: "#/definitions/xapp-callback-data"
      responses:
        400:
          description: "Invalid data"
        201:
          description: "Callback received"
  /handles/xapp-subscription-handle:
    post:
      tags:
      - "handle"
      summary: "API for updating about new xapp subscription"
      description: "By performing a POST method on the xapp-subscription-handle resource, the API caller is able to update the Routing manager about the creation of new subscription by an Xapp instance."
      operationId: "provide_xapp_subscription_handle"
      consumes:
      - "application/json"
#      - "application/yaml"
      produces:
      - "application/json"
#      - "application/yaml"
      parameters:
      - in: "body"
        name: "xapp-subscription-data"
        description: "xApp related subscription data"
        required: true
        schema:
          $ref: "#/definitions/xapp-subscription-data"
      responses:
        400:
          description: "Invalid data"
        201:
          description: "Xapp Subscription data received"
    delete:
      tags:
      - "handle"
      summary: "API for deleting an xapp subscription"
      description: "By performing the delete operation on xapp-subscription-handle resource, the API caller will be able to update routing manager about the deletion of an xapp's subscription"
      operationId: "delete_xapp_subscription_handle"
      consumes:
      - "application/json"
      parameters:
      - in: "body"
        name: "xapp-subscription-data"
        description: "xApp related subscription data"
        required: true
        schema:
          $ref: "#/definitions/xapp-subscription-data"
      responses:
        204:
          description: "Content not found"
        200:
          description: "Xapp Subscription deleted"
  /handles/xapp-subscription-handle/{subscription_id}:
    put:
      tags:
      - "handle"
      summary: "API for updating the subscriber xApp list"
      description: "By performing a PUT method on a xapp-subscription-handle/{subscription_id} resource, the API caller is able to update the Routing manager about the list of subscriber xApps related to the subscription denoted by the {subsription_id}."
      operationId: "update_xapp_subscription_handle"
      consumes:
      - "application/json"
#      - "application/yaml"
      produces:
      - "application/json"
#      - "application/yaml"
      parameters:
        - in: path
          name: subscription_id
          required: true
          type: integer
          format: "uint16"
          description: "Subscription ID"
        - in: body
          name: xapp-list
          description: "xApp list"
          required: true
          schema:
           $ref: "#/definitions/xapp-list"
      responses:
        400:
          description: "Invalid data"
        201:
          description: "Xapp list received"
  
definitions:
  health-status:
    type: "object"
    properties:
      status:
        type: string
        enum:
        - healthy
        - unhealthy
  xapp-callback-data:
    type: "object"
    properties:
      id:
        type: "string"
      event:
        type: "string"
      version:
        type: "integer"
        format: "int64"
      xApps:
        type: "string" #This should be a JSON object, array of xapps
  xapp-subscription-data:
    type: "object"
    required:
      - "address"
      - "port"
      - "subscription_id"
    properties:
      address:
        type: "string" #This is the xapp instance hostname or ip address
      port: #xapp instance port address
        type: "integer"
        format: "uint16"
        minimum: 0
        maximum: 65535
      subscription_id: #subscription sequence number
        type: "integer"
        format: "int32"
  xapp-list:
    type: "array"
    items:
      $ref: '#/definitions/xapp-element'
  xapp-element:
    type: "object"
    required:
      - "address"
      - "port"
    properties:
      address:
        type: "string" #This is the xapp instance hostname or ip address
      port: #xapp instance port address
        type: "integer"
        format: "uint16"
        minimum: 0
        maximum: 65535

externalDocs:
  description: "Routing Manager"
  url: "http://placeholder"