{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/apv022/mcf-spec/master/schemas/1.0/activity.schema.json",
  "title": "MCF 1.0 activity header",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "type",
    "id"
  ],
  "properties": {
    "type": {
      "enum": [
        "notes",
        "practice",
        "assessment"
      ]
    },
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9._-]*$"
    },
    "title": {
      "type": "string",
      "minLength": 1
    },
    "passing_score": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "randomize": {
      "type": "boolean"
    },
    "question_pool_size": {
      "type": "integer",
      "minimum": 1
    }
  },
  "allOf": [
    {
      "if": {
        "required": [
          "passing_score"
        ]
      },
      "then": {
        "properties": {
          "type": {
            "const": "assessment"
          }
        }
      }
    },
    {
      "if": {
        "anyOf": [
          {
            "required": [
              "randomize"
            ]
          },
          {
            "required": [
              "question_pool_size"
            ]
          }
        ]
      },
      "then": {
        "properties": {
          "type": {
            "enum": [
              "practice",
              "assessment"
            ]
          }
        }
      }
    }
  ]
}