openapi: 3.0.0
info:
  version: 1.0.0
  title: Swagger Petstore
  license:
    name: MIT
servers:
  - url: http://petstore.swagger.io/v1
paths:
  /pets:
    get:
      summary: List all pets
      operationId: listPets
      tags:
        - pets
        - tag3
        - tag4
      parameters:
        - name: limit
          in: query
          description: How many items to return at one time (max 100)
          required: false
          schema:
            type: integer
            format: int32
        - name: petId
          description: The id of the pet to retrieve
          schema:
            type: string
          in: query
          required: true
      responses:
        '200':
          description: A paged array of pets
          headers:
            x-next:
              description: A link to the next page of responses
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Pets'
        default:
          description: unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    post:
      summary: Create a pet
      operationId: createPets
      tags:
        - pets
      requestBody:
        description: body
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Pet'
      responses:
        '201':
          description: Null response
        default:
          description: unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    put:
      summary: Update a pet
      operationId: createPets
      tags:
        - pets
      requestBody:
        $ref: '#/components/schemas/Pet'
      responses:
        '201':
          description: Null response
        default:
          description: unexpected error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /pets/{petId}:
    get:
      summary: Info for a specific pet
      operationId: showPetById
      tags:
        - tag1
        - tag2
      parameters:
        - name: petId
          description: The id of the pet to retrieve
          schema:
            type: string
          in: path
          required: true
      responses:
        '200':
          $ref: '#/components/responses/Pet'
        default:
          $ref: '#/components/responses/Error'
components:
  schemas:
    Foo:
      $ref: '#/components/schemas/Pets'
    Cat:
      description: A representation of a cat
      allOf:
        - $ref: '#/components/schemas/Pet'
        - type: object
          properties:
            huntingSkill:
              type: string
              description: The measured skill for hunting
              default: lazy
              enum:
                - clueless
                - lazy
                - adventurous
                - aggressive
          required:
            - huntingSkill
    Dog:
      description: A representation of a dog
      allOf:
        - $ref: '#/components/schemas/Pet'
        - type: object
          properties:
            packSize:
              type: integer
              format: int32
              description: the size of the pack the dog is from
              default: 0
              minimum: 0
          required:
            - packSize
    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: integer
          format: int32
        message:
          type: string
    Pet:
      type: object
      properties:
        id:
          type: integer
          format: int64
          readOnly: true
        name:
          type: string
        tag:
          type: string
        type:
          type: string
      discriminator:
        propertyName: type
        mapping:
          猫: '#/components/schemas/Cat'
          犬: '#/components/schemas/Dog'
      required:
        - id
        - name
        - type
    Pets:
      type: array
      items:
        type: object
        properties:
          id:
            type: integer
            format: int64
            readOnly: true
          name:
            type: string
          tag:
            type: string
          type:
            type: string
        discriminator:
          propertyName: type
          mapping:
            猫: '#/components/schemas/Cat'
            犬: '#/components/schemas/Dog'
        required:
          - id
          - name
          - type
  parameters:
    Foo:
      $ref: '#/components/parameters/PetId'
    PetId:
      name: petId
      description: The id of the pet to retrieve
      schema:
        type: string
      in: path
      required: true
  responses:
    Foo:
      $ref: '#/components/responses/Pet'
    Error:
      description: unexpected error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Pet:
      description: Pet
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Pet'
          examples:
            success:
              $ref: '#/components/examples/Pet'
      headers:
        X-Rate-Limit:
          $ref: '#/components/headers/RateLimit'
  examples:
    Foo:
      $ref: '#/components/examples/Pet'
    Pet:
      description: Pet example
      value:
        id: 1
        name: dogie
  requestBodies:
    Foo:
      $ref: '#/components/requestBodies/Pet'
    Pet:
      description: Pet
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Pet'
  headers:
    Foo:
      $ref: '#/components/headers/RateLimit'
    RateLimit:
      description: Rate Limit
      schema:
        type: integer
  securitySchemes:
    Foo:
      $ref: '#/components/securitySchemes/oAuth2'
    oAuth2:
      type: oauth2
      flows:
        password:
          tokenUrl: https://api.example.com/auth/token