openapi: 3.0.0
info:
  title: MSGS_ASRegistration
  version: 1.1.0-alpha.2
  description: |
    API for MSGS AS Registration Service.  
    © 2023, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  
    All rights reserved.

externalDocs:
  description: >
    3GPP TS 29.538 V18.4.0; Enabling MSGin5G Service; Application Programming Interfaces (API)
    specification; Stage 3
  url: https://www.3gpp.org/ftp/Specs/archive/29_series/29.538/

servers:
  - url: '{apiRoot}/msgs-asregistration/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 4.4 of 3GPP TS 29.501

security:
  - {}
  - oAuth2ClientCredentials: []


paths:
  /registrations:
    post:
      summary: Registers a new AS at a MSGin5G Server
      tags:
        - AS registration
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ASRegistration'
      responses:
        '201':
          description: AS information is registered successfully at MSGin5G Server
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ASRegistrationAck'
          headers:
            Location:
              description: 'Contains the URI of the newly created resource'
              required: true
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'

  /registrations/{registrationId}:
    delete:
      summary: Delete an existing AS registration at MSGin5G Server
      tags:
        - AS DeRegistration
      parameters:
        - name: registrationId
          in: path
          description: AS registration Id
          required: true
          schema:
            type: string
      responses:
        '200':
          description: The individual AS registration is deleted successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ASRegistrationAck'
        '204':
          description: >
            No Content. The individual AS registration resource is deleted successfully.                    
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'


components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{tokenUrl}'
          scopes: {}


  schemas:
#
# STRUCTURED DATA TYPES
#
    ASRegistration:
      description: AS registration data
      type: object
      required:
        - asSvcId
      properties:
        asSvcId:
          type: string
        appId:
          type: string
        targetUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        asProf:
          $ref: '#/components/schemas/ASProfile'

    ASRegistrationAck:
      description: AS registration response data
      type: object
      required:
        - asSvcId
        - result
      properties:
        asSvcId:
          type: string
        result:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'


    ASProfile:
      description: AS profile information
      type: object
      properties:
        appName:
          type: string
        appProviders:
          type: array
          items:
            type: string
          minItems: 1
          description: The provider of the AS.
        appSenarios:
          type: array
          items:
            type: string
          minItems: 1
          description: The application scenario.
        appCategory:
          type: string
        asStatus:
          type: string
