$id: https://github.com/ssube/onnx-web/blob/main/api/schemas/chain.yaml
$schema: https://json-schema.org/draft/2020-12/schema

$defs:
  border_params:
    type: object
    properties:
      bottom:
        type: number
      left:
        type: number
      right:
        type: number
      top:
        type: number

  image_params:
    type: object
    properties:
      prompt:
        type: string

  upscale_params:
    type: object
    properties:
      outscale:
        type: number
      scale:
        type: number

  request_stage:
    type: object
    required: [name, type, params]
    properties:
      name:
        type: string
      type:
        type: string
      params:
        allOf:
        - $ref: "#/$defs/border_params"
        - $ref: "#/$defs/image_params"
        - $ref: "#/$defs/upscale_params"
        - type: object
          additionalProperties: False
          patternProperties:
            "^[-_A-Za-z]+$":
              oneOf:
                - type: number
                - type: string

  request_chain:
    type: array
    items:
      $ref: "#/$defs/request_stage"

type: object
additionalProperties: False
required: [stages]
properties:
  stages:
    $ref: "#/$defs/request_chain"