{
  "title": "QED Object Schema",
  "type": "object",
  "oneOf": [
    { "$ref": "#/schemaInfo" },
    { "$ref": "#/docTypes/any" }
  ],
  "schemaInfo": {
    "type": "object",
    "properties": {
        "_id": { "type": "string", "pattern": "schemaInfo" },
        "_rev": { "type": "string", "optional": true },
        "version": { "type": "string", "pattern": "1" }
    },
    "additionalProperties": false
  },
  "docTypes": {
    "any": {
      "type": "object",
      "oneOf": [
        { "$ref": "#/docTypes/Question" },
        { "$ref": "#/docTypes/Survey" },
        { "$ref": "#/docTypes/SurveyRun" },
        { "$ref": "#/docTypes/Response" }
      ]
    },
    "Question": {
      "properties": {
        "type": { "type": "string", "pattern": "Question" },
        "_id": { "type": "string", "optional": true },
        "_rev": { "type": "string", "optional": true },
        "categories": { "type": "array", "items": { "type": "string" } },
        "code": { "type": "string" },
        "content": { "type": "array", "items": { "$ref": "#/contentTypes/any" } },
        "description": { "type": "string", "optional": true },
        "publicationDate": { "type": "string", "pattern": "", "optional": true },
        "title": { "type": "string" },
        "topic": { "type": "string", "optional": true }
      },
      "additionalProperties": false
    },
    "Survey": {
      "type": "object",
      "properties": {
        "type": { "type": "string", "pattern": "Survey" },
        "_id": { "type": "string", "optional": true },
        "_rev": { "type": "string", "optional": true },
        "publicationDate": { "type": "string", "pattern": "", "optional": true },
        "questions": { "type": "array", "items": { "$ref": "#/docTypes/Question" } },
        "title": { "type": "string" }
      },
      "additionalProperties": false
    },
    "SurveyRun": {
      "type": "object",
      "properties": {
        "type": { "type": "string", "pattern": "SurveyRun" },
        "_id": { "type": "string", "optional": true },
        "_rev": { "type": "string", "optional": true },
        "description": { "type": "string" },
        "endDate": { "type": "string", "pattern": "" },
        "mode": { "type": "string", "enum": [ "open", "closed" ] },
        "startDate": { "type": "string", "pattern": "" },
        "survey": { "$ref": "#/docTypes/Survey" },
        "title": { "type": "string" }
      },
      "additionalProperties": false
    },
    "Response": {
      "type": "object",
      "properties": {
        "type": { "type": "string", "pattern": "Response" },
        "_id": { "type": "string", "optional": true },
        "_rev": { "type": "string", "optional": true },
        "answers": { "type": "object" },
        "publicationDate": { "type": "string", "pattern": "", "optional": true },
        "surveyRunId": { "type": "string" }
      },
      "additionalProperties": false
    }
  },
  "contentTypes": {
    "any": {
      "type": "object",
      "oneOf": [
        { "$ref": "#/contentTypes/Text" },
        { "$ref": "#/contentTypes/StringInput" },
        { "$ref": "#/contentTypes/ScaleInput" }
      ]
    },
    "Text": {
        "type": "object",
        "properties": {
            "type": { "type": "string", "pattern": "Text" },
            "text": { "type": "string" }
        },
        "additionalProperties": false
    },
    "StringInput": {
        "type": "object",
        "properties": {
            "type": { "type": "string", "pattern": "StringInput" },
            "text": { "type": "string" }
        },
        "additionalProperties": false
    },
    "ScaleInput": {
        "type": "object",
        "properties": {
            "type": { "type": "string", "pattern": "ScaleInput" },
            "minLabel": { "type": "string", "optional": true },
            "min": { "type": "integer" },
            "max": { "type": "integer" },
            "maxLabel": { "type": "string", "optional": true },
            "naLabel": { "type": "string", "optional": true },
            "items": { "type": "array", "items": {
                "type": "object",
                "properties": {
                    "text": { "type": "string" },
                    "minLabel": { "type": "string", "optional": true },
                    "maxLabel": { "type": "string", "optional": true }
                },
                "additionalProperties": false
            } }
        },
        "additionalProperties": false
    }
  }
}