swagger: '2.0'
info:
  title: Buggy Library API
  description: Buggy Component and meta information API
  version: "0.1.0"
produces:
  - application/json
paths:
  /info:
    get:
      summary: Server information
      description: |
        Sends information about the server. Which version it runs and which backend it uses.
      responses:
        200:
          description: An object with the server information
          schema:
            type: object
            properties:
              version:
                type: 'string'
              type:
                type: 'string'
          examples:
            application/json:
              version: '0.1.0'
              type: 'buggy-library-file-database'
  /components:
    get:
      summary: List all components
      description: |
        All the component meta ids of all registered components in this component library.
      responses:
        200:
          description: An array of all component meta IDs
          schema:
            type: array
            items: 
              type: string
          examples:
            application/json:
              ['math/add', 'math/multiply']
    post:
      summary: Insert a new component
      description: |
        Add a new component to the library. It is not possible to have two components with the same meta key and version in the registry.
      responses:
        201:
          description: The component was added successuflly.
        400:
          description: The component it is not in a valid format and thus cannot be inserted.
        409:
          description: The component already exists and thus cannot be inserted.
  /components/count:
    get:
      summary: Number of components
      description: Gives the number of all registered components in the registry.
      responses:
        200:
          description: The number of components.
          schema:
            type: number
  /components/get/{meta}:
    get:
      summary: Information for a specific component.
      description: |
        Gets a JSON object describing the latest version of the component. It looks for the component via its meta key (i.e. component.meta).
        The latest version is specified via semver.
      parameters:
        - name: meta
          description: Meta key of the component
          in: path
          required: true
          type: string
      responses:
        200:
          description: A component with the meta key was found and included in the response.
          schema:
            type: object
        404:
          description: No component with the given meta key was found.
  /components/get/{meta}/version/{version}:
    get:
      summary: Information for a specific component.
      description: |
        Gets a JSON object describing the given version of the component. It looks for the component via its meta key (i.e. component.meta).
      parameters:
        - name: meta
          description: Meta key of the component
          in: path
          required: true
          type: string
        - name: version
          description: The version of the component
          in: path
          required: true
          type: string
      responses:
        200:
          description: A component with the meta key was found and included in the response.
          schema:
            type: object
        404:
          description: No component with the given meta key at the specified version was found.
  /meta/{component}:
    get:
      summary: All meta keys for a component
      description: |
        Returns an array of all meta keys for this component, without their values.
      parameters:
        - name: component
          description: Meta key for the component
          in: path
          required: true
          type: string
      responses:
        200:
          description: An array of all keys
          schema:
            type: array
            items:
              type: string
        400:
          description: No component with this meta key exists.
  /meta/{component}/version/{version}:
    get:
      summary: All meta keys for a component @version
      description: |
        Returns an array of all meta keys for this component that are valid in the given version, without their values.
      parameters:
        - name: component
          description: Meta key for the component
          in: path
          required: true
          type: string
        - name: version
          description: The version of the component. This must be a valid semver version. Valid meta keys are those that at the specified version or the latest update before this version. E.g. a component at version 1.2.0 has a value specified in version 1.1.0 but not in 1.2.0, then the 1.1.0 version value is taken.
          in: path
          required: true
          type: string
      responses:
        200:
          description: An array of all keys valid at the given version
          schema:
            type: array
            items:
              type: string
        400:
          description: No component with this meta key exists.
  /meta/{component}/{key}:
    get:
      summary: Meta key value for a component
      description: |
        Returns the value of the meta key for this component.
      parameters:
        - name: component
          description: Meta key for the component
          in: path
          required: true
          type: string
        - name: key
          description: Meta key that is created or updated.
          in: path
          required: true
          type: string
      responses:
        200:
          description: The value of the meta key. Type can be anything.
        400:
          description: No component with this meta key exists.
    post:
      summary: Set a meta key
      description: |
        Sets a meta key for the specified component for the latest version.
      parameters:
        - name: component
          description: Identifier for the component
          in: path
          required: true
          type: string
        - name: key
          description: Meta key that is created or updated.
          in: path
          required: true
          type: string
      responses:
        204:
          description: The key was updated for the component.
        400:
          description: No component with this meta key exists.
        404:
          description: The component does not have meta information for this key.
  /meta/{component}/version/{version}/{key}:
    get:
      summary: Meta key value for a component
      description: |
        Returns the value of the meta key for this component.
      parameters:
        - name: component
          description: Meta key for the component
          in: path
          required: true
          type: string
        - name: version
          description: The version of the component. This must be a valid semver version. Valid meta keys are those that at the specified version or the latest update before this version. E.g. a component at version 1.2.0 has a value specified in version 1.1.0 but not in 1.2.0, then the 1.1.0 version value is taken.
          in: path
          required: true
          type: string
        - name: key
          description: Meta key that is created or updated.
          in: path
          required: true
          type: string
      responses:
        200:
          description: The value of the meta key that is valid at the given version. Type can be anything.
        400:
          description: No component with this meta key exists.
        404:
          description: The component does not have meta information for this key.
    post:
      summary: Set a meta key
      description: |
        Sets a meta key for the specified component for the latest version.
      parameters:
        - name: component
          description: Identifier for the component
          in: path
          required: true
          type: string
        - name: version
          description: The version of the component. This must be a valid semver version. Valid meta keys are those that at the specified version or the latest update before this version. E.g. a component at version 1.2.0 has a value specified in version 1.1.0 but not in 1.2.0, then the 1.1.0 version value is taken.
          in: path
          required: true
          type: string
        - name: key
          description: Meta key that is created or updated.
          in: path
          required: true
          type: string
      responses:
        204:
          description: The key was updated for the component in the given version.
        400:
          description: No component with this meta key exists.
  /config/{key}:
    get:
      summary: A configuration value
      description: Get the configuration value for key
      parameters:
        - name: key
          description: The configuration key
          in: path
          type: string
          required: true
      responses:
        200:
          description: The value of the key.
        404:
          description: No such key is defined.
    post:
      summary: Set a configuration value
      description: Create or update a configuration key and its value.
      parameters:
        - name: key
          description: The configuration key
          in: path
          type: string
          required: true
      responses:
        204:
          description: The key was successfully updated.
  /export:
    get:
      summary: Returns the whole database
      description: Get the JSON document describing the whole database.
      responses:
        200:
          description: The whole DB is returned.