{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "QED Object Schema",
  "version": "2",
  "type": "object",
  "oneOf": [
    { "$ref": "#/definitions/schemaInfo" },
    { "$ref": "#/definitions/docs/any" }
  ],
  "definitions": {
    "schemaInfo": {
      "type": "object",
      "properties": {
          "_id": { "type": "string", "pattern": "schemaInfo" },
          "_rev": { "type": "string" },
          "version": { "type": "string" }
      },
      "required": ["_id","version"],
      "additionalProperties": false
    },
    "docs": {
      "any": {
        "type": "object",
        "oneOf":[
          { "$ref": "#/definitions/docs/Question" },
          { "$ref": "#/definitions/docs/Survey" },
          { "$ref": "#/definitions/docs/SurveyRun" },
          { "$ref": "#/definitions/docs/Response" }
        ]
      },
      "Question": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "Question" },
          "_id": { "type": "string" },
          "_rev": { "type": "string" },
          "categories": { "type": "array", "items": { "type": "string" } },
          "code": { "type": "string", "minLength": 1 },
          "content": { "type": "array", "items": { "$ref": "#/definitions/content/any" } },
          "description": { "type": "string" },
          "publicationDate": { "type": "string", "format": "datetime" },
          "title": { "type": "string" },
          "topic": { "type": "string" }
        },
        "required": ["type","categories","code","content","title"],
        "additionalProperties": false
      },
      "Survey": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "Survey" },
          "_id": { "type": "string" },
          "_rev": { "type": "string" },
          "description": { "type": "string" },
          "publicationDate": { "type": "string", "format": "datetime" },
          "questions": { "type": "array", "items": { "$ref": "#/definitions/docs/Question" } },
          "title": { "type": "string" }
        },
        "required": ["type","questions","title"],
        "additionalProperties": false
      },
      "SurveyRun": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "SurveyRun" },
          "_id": { "type": "string" },
          "_rev": { "type": "string" },
          "description": { "type": "string" },
          "endDate": { "type": "string", "format": "datetime" },
          "liveName": { "type": "string" },
          "mode": { "type": "string", "enum": [ "open", "closed" ] },
          "respondentCanDeleteOwnResponse": { "type": "boolean" },
          "secret": { "type": "string", "minLength": 1 },
          "startDate": { "type": "string", "format": "datetime" },
          "survey": { "$ref": "#/definitions/docs/Survey" },
          "title": { "type": "string" }
        },
        "required": ["type","description","mode","secret","survey","title"],
        "additionalProperties": false
      },
      "Response": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "Response" },
          "_id": { "type": "string" },
          "_rev": { "type": "string" },
          "answers": { "type": "object" },
          "email": { "type": "string", "format": "email" },
          "publicationDate": { "type": "string", "format": "datetime" },
          "secret": { "type": "string", "minLength": 1 },
          "surveyRunId": { "type": "string" }
        },
        "required": ["type","answers","secret","surveyRunId"],
        "additionalProperties": false
      }
    },
    "content":{
      "any": {
        "type": "object",
        "oneOf": [
          { "$ref": "#/definitions/content/Text" },
          { "$ref": "#/definitions/content/StringInput" },
          { "$ref": "#/definitions/content/ScaleInput" }
        ]
      },
      "Text": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "Text" },
          "text": { "type": "string" }
        },
        "required": ["type","text"],
        "additionalProperties": false
      },
      "StringInput": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "StringInput" },
          "text": { "type": "string" }
        },
        "required":["type","text"],
        "additionalProperties": false
      },
      "ScaleInput": {
        "type": "object",
        "properties": {
          "type": { "type": "string", "pattern": "ScaleInput" },
          "minLabel": { "type": "string" },
          "min": { "type": "integer" },
          "max": { "type": "integer" },
          "maxLabel": { "type": "string" },
          "naLabel": { "type": "string" },
          "items": { "type": "array", "items": {
            "type": "object",
            "properties": {
              "text": { "type": "string" },
              "minLabel": { "type": "string" },
              "maxLabel": { "type": "string" }
            },
            "required":["text"],
            "additionalProperties": false
          } }
        },
        "required":["type","min","max","items"],
        "additionalProperties": false
      }
    }
  }
}