{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://kaksha.quartifex.com/schema/template.v1.json",
  "title": "Kaksha template (version 1)",
  "description": "An answer-key test or a rubric that teachers can share. See https://kaksha.quartifex.com/docs/templates",
  "oneOf": [
    {
      "type": "object",
      "properties": {
        "format": {
          "type": "string",
          "const": "kaksha-template"
        },
        "version": {
          "type": "number",
          "const": 1
        },
        "id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{1,62}$"
        },
        "title": {
          "type": "string",
          "minLength": 1,
          "maxLength": 120
        },
        "subject": {
          "type": "string",
          "minLength": 1,
          "maxLength": 60
        },
        "language": {
          "default": "en",
          "type": "string",
          "minLength": 2,
          "maxLength": 20
        },
        "example": {
          "default": false,
          "type": "boolean"
        },
        "author": {
          "type": "string",
          "maxLength": 120
        },
        "notes": {
          "type": "string",
          "maxLength": 2000
        },
        "kind": {
          "type": "string",
          "const": "key"
        },
        "items": {
          "minItems": 1,
          "maxItems": 200,
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "label": {
                "type": "string",
                "minLength": 1,
                "maxLength": 40
              },
              "domain": {
                "default": "",
                "type": "string",
                "maxLength": 60
              },
              "type": {
                "default": "choice",
                "type": "string",
                "enum": [
                  "choice",
                  "rightwrong"
                ]
              },
              "key": {
                "default": null,
                "anyOf": [
                  {
                    "type": "string",
                    "enum": [
                      "A",
                      "B",
                      "C",
                      "D"
                    ]
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "marks": {
                "default": 1,
                "type": "integer",
                "minimum": 1,
                "maximum": 100
              }
            },
            "required": [
              "label"
            ]
          }
        }
      },
      "required": [
        "format",
        "version",
        "id",
        "title",
        "subject",
        "kind",
        "items"
      ]
    },
    {
      "type": "object",
      "properties": {
        "format": {
          "type": "string",
          "const": "kaksha-template"
        },
        "version": {
          "type": "number",
          "const": 1
        },
        "id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{1,62}$"
        },
        "title": {
          "type": "string",
          "minLength": 1,
          "maxLength": 120
        },
        "subject": {
          "type": "string",
          "minLength": 1,
          "maxLength": 60
        },
        "language": {
          "default": "en",
          "type": "string",
          "minLength": 2,
          "maxLength": 20
        },
        "example": {
          "default": false,
          "type": "boolean"
        },
        "author": {
          "type": "string",
          "maxLength": 120
        },
        "notes": {
          "type": "string",
          "maxLength": 2000
        },
        "kind": {
          "type": "string",
          "const": "rubric"
        },
        "items": {
          "minItems": 1,
          "maxItems": 40,
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "label": {
                "type": "string",
                "minLength": 1,
                "maxLength": 80
              },
              "domain": {
                "default": "",
                "type": "string",
                "maxLength": 60
              },
              "levels": {
                "minItems": 2,
                "maxItems": 8,
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "score": {
                      "type": "integer",
                      "minimum": 0,
                      "maximum": 100
                    },
                    "label": {
                      "type": "string",
                      "minLength": 1,
                      "maxLength": 40
                    },
                    "descriptor": {
                      "default": "",
                      "type": "string",
                      "maxLength": 400
                    }
                  },
                  "required": [
                    "score",
                    "label"
                  ]
                }
              }
            },
            "required": [
              "label",
              "levels"
            ]
          }
        }
      },
      "required": [
        "format",
        "version",
        "id",
        "title",
        "subject",
        "kind",
        "items"
      ]
    }
  ]
}