{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": [
    "_id",
    "__v",
    "answers",
    "completedAt",
    "createdAt",
    "percentage",
    "quiz",
    "score",
    "timeSpent",
    "updatedAt",
    "user"
  ],
  "properties": {
    "_id": {
      "$ref": "#/$defs/ObjectId"
    },
    "__v": {
      "type": "integer"
    },
    "answers": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "_id",
          "isCorrect",
          "questionIndex"
        ],
        "properties": {
          "_id": {
            "$ref": "#/$defs/ObjectId"
          },
          "isCorrect": {
            "type": "boolean"
          },
          "questionIndex": {
            "type": "integer"
          }
        }
      }
    },
    "completedAt": {
      "$ref": "#/$defs/Date"
    },
    "createdAt": {
      "$ref": "#/$defs/Date"
    },
    "percentage": {
      "type": "integer"
    },
    "quiz": {
      "$ref": "#/$defs/ObjectId"
    },
    "score": {
      "type": "integer"
    },
    "timeSpent": {
      "type": "integer"
    },
    "updatedAt": {
      "$ref": "#/$defs/Date"
    },
    "user": {
      "$ref": "#/$defs/ObjectId"
    }
  },
  "$defs": {
    "ObjectId": {
      "type": "object",
      "properties": {
        "$oid": {
          "type": "string",
          "pattern": "^[0-9a-fA-F]{24}$"
        }
      },
      "required": [
        "$oid"
      ],
      "additionalProperties": false
    },
    "Date": {
      "type": "object",
      "properties": {
        "$date": {
          "type": "string",
          "format": "date-time"
        }
      },
      "required": [
        "$date"
      ],
      "additionalProperties": false
    }
  }
}