openapi: 3.0.0
info:
  title: Capture
  description: OpenAPI Specifications for the Capture's API
  version: 1.0.0
  license:
    name: AGPL-3.0
    url: https://github.com/bluewave-labs/capture/blob/develop/LICENSE
servers:
  - url: http://localhost:{PORT}{API_PATH}
    description: Local development server
    variables:
      PORT:
        default: '59232'
        description: Port number
        enum:
          - '59232'
      API_PATH:
        default: /api/v1
        description: API path
        enum:
          - /api/v1
paths:
  /health:
    get:
      summary: Check if the server is healthy or not
      responses:
        '200':
          description: Server is healthy
          content:
            application/json:
              schema:
                type: string
                example: "OK"
      security:
          - bearerAuth: []
  /metrics:
    get:
      summary: Read server data
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AllMetricResponse'
        '207':
          description: Multi-Status | Some of the data is not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AllMetricResponse'
      security:
        - bearerAuth: []
  /metrics/cpu:
    get:
      summary: Read CPU data
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CPUMetricResponse'
        '207':
          description: Multi-Status | Some of the data is not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CPUMetricResponse'
      security:
          - bearerAuth: []
  /metrics/memory:
    get:
      summary: Read Memory data
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MemoryMetricResponse'
        '207':
          description: Multi-Status | Some of the data is not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MemoryMetricResponse'
      security:
          - bearerAuth: []
  /metrics/disk:
    get:
      summary: Read Disk data
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiskMetricResponse'
        '207':
          description: Multi-Status | Some of the data is not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiskMetricResponse'
      security:
          - bearerAuth: []
  /metrics/host:
    get:
      summary: Read Host data
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HostMetricResponse'
        '207':
          description: Multi-Status | Some of the data is not available
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HostMetricResponse'
      security:
          - bearerAuth: []
  /ws/metrics:
    get:
      summary: It will return the data using websocket connection. The data will be updated in every 5 seconds.
      responses:
        '101':
          description: Protocol Change - WebSocket
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AllMetricResponse'
      security:
          - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    AllMetricResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            cpu:
              $ref: '#/components/schemas/CPUData'
            memory:
              $ref: '#/components/schemas/MemoryData'
            disk:
              type: array
              items:
                $ref: '#/components/schemas/DiskData'
            host:
              $ref: '#/components/schemas/HostData'
        errors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/MetricErrorObject'
    CPUMetricResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/CPUData'
        errors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/MetricErrorObject'
    MemoryMetricResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/MemoryData'
        errors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/MetricErrorObject'
    DiskMetricResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/DiskData'
        errors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/MetricErrorObject'
    HostMetricResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/HostData'
        errors:
          type: array
          nullable: true
          items:
            $ref: '#/components/schemas/MetricErrorObject'
    CPUData:
      type: object
      properties:
        physical_core:
          type: integer
          example: 4
        logical_core:
          type: integer
          example: 8
        frequency:
          type: number
          example: 2500
        temperature:
          type: number
          example: 50
        free_percent:
          type: number
          example: 0.5
        usage_percent:
          type: number
          example: 0.5
    MemoryData:
      type: object
      properties:
        total_bytes:
          type: integer
          example: 1351533568
        available_bytes:
          type: integer
          example: 351533568
        used_bytes:
          type: integer
          example: 1000000000
        usage_percent:
          type: number
          example: 0.2601
    DiskData: 
      type: object
      properties:
        device:
          type: string
          example: "/dev/sda1"
        total_bytes:
          type: integer
          example: 1024
        free_bytes:
          type: integer
          example: 512
        usage_percent:
          type: number
          example: 0.5
    HostData:
      type: object
      properties:
        os:
          type: string
          example: "linux"
        platform:
          type: string
          example: "debian"
        kernel_version:
          type: string
          example: "5.4.0-42-generic"
    MetricErrorObject:
      type: object
      properties:
        metric:
          type: string
          example: "cpu.temperature"
        error:
          type: string
          example: "unable to get cpu temperature"