---
$schema: "https://json-schema.org/draft-04/schema"
id: "https://stsci.edu/schemas/yaml-schema/draft-01"
title:
  YAML Schema

type: object
properties:
  points:
    $ref: '#/components/schemas/points'
  panels:
    type: object
    additionalProperties:
      type: object
      properties:
        allowances:
          type: object
          properties:
            hem:
              type: string
            seam:
              type: string
        points:
          $ref: '#/components/schemas/points'
        lines:
          type: array
          items:
            $ref: '#/components/schemas/line'
        information:
          allOf:
            - $ref: '#/components/schemas/point'
            - type: object
              properties:
                anchor:
                  type: string
                  enum: [top, center, bottom, left, right]

components:
  schemas:
    point:
      type: object
      properties:
        position:
          $ref: '#/components/schemas/position'
        relativeTo:
          $ref: '#/components/schemas/pointID'
        polar:
          $ref: '#/components/schemas/polar'
        description:
          type: string
        between:
          $ref: '#/components/schemas/between'
        hide:
          type: bool
        extend:
          $ref: '#/components/schemas/between'
    points:
      type: object
      additionalProperties:
        $ref: '#/components/schemas/point'
    position:
      type: object
      properties:
        y:
          $ref: '#/components/schemas/expression'
        x:
          $ref: '#/components/schemas/expression'
        rotation:
          $ref: '#/components/schemas/expression'
    polar:
      type: object
      properties:
        length:
          $ref: '#/components/schemas/expression'
        rotation:
          $ref: '#/components/schemas/expression'
    between:
      type: object
      properties:
        from:
          $ref: '#/components/schemas/pointID'
        to:
          $ref: '#/components/schemas/pointID'
        offset:
          $ref: '#/components/schemas/expression'
    line:
      type: object
      properties:
        through:
          type: array
          items:
            $ref: '#/components/schemas/pointID'
        curve:
          type: object
          properties:
            start:
                $ref: '#/components/schemas/pointID'
            end:
                $ref: '#/components/schemas/pointID'
    pointID:
      oneOf:
        - type: integer
        - type: string
    expression:
      oneOf:
        - type: number
        - type: string