{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "oneOf": [
    {
      "title": "Device Connected",
      "description": "Schema for marking a device as connected",
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "connected"
          ]
        },
        "connectedAt": {
          "oneOf": [
            {
              "type": "string"
            },
            {
              "type": "number"
            },
            {
              "type": "object",
              "properties": {
                "$date": {
                  "type": "string"
                }
              },
              "additionalProperties": false,
              "required": [
                "$date"
              ]
            }
          ]
        },
        "ipAddress": {
          "type": "string",
          "minLength": 2,
          "maxLength": 39
        }
      },
      "required": [
        "status"
      ],
      "additionalProperties": false
    },
    {
      "title": "Device Disconnected",
      "description": "Schema for marking a device as disconnected",
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "disconnected"
          ]
        },
        "connectedAt": {
          "oneOf": [
            {
              "type": "string"
            },
            {
              "type": "number"
            },
            {
              "type": "object",
              "properties": {
                "$date": {
                  "type": "string"
                }
              },
              "additionalProperties": false,
              "required": [
                "$date"
              ]
            }
          ]
        },
        "disconnectedAt": {
          "oneOf": [
            {
              "type": "string"
            },
            {
              "type": "number"
            },
            {
              "type": "object",
              "properties": {
                "$date": {
                  "type": "string"
                }
              },
              "additionalProperties": false,
              "required": [
                "$date"
              ]
            }
          ]
        },
        "disconnectReason": {
          "type": "string",
          "maxLength": 1024
        },
        "messagesFromClient": {
          "type": "number"
        },
        "messagesToClient": {
          "type": "number"
        },
        "ipAddress": {
          "type": "string",
          "minLength": 2,
          "maxLength": 39
        }
      },
      "required": [
        "status"
      ],
      "additionalProperties": false
    }
  ]
}