{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "title": "Device",
        "description": "Schema for a single Device",
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "deviceId": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "applicationId": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "creationDate": {
            "type": "string",
            "format": "date-time"
          },
          "lastUpdated": {
            "type": "string",
            "format": "date-time"
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "description": {
            "type": "string",
            "maxLength": 32767
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "key": {
                  "type": "string",
                  "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                },
                "value": {
                  "type": "string",
                  "minLength": 1,
                  "maxLength": 255
                }
              },
              "required": [
                "key",
                "value"
              ],
              "additionalProperties": false
            },
            "maxItems": 100
          },
          "attributes": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "name": {
                  "type": "string",
                  "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                },
                "dataType": {
                  "type": "string",
                  "enum": [
                    "string",
                    "number",
                    "gps",
                    "boolean"
                  ]
                }
              },
              "required": [
                "name",
                "dataType"
              ],
              "additionalProperties": false
            },
            "maxItems": 256
          },
          "deviceClass": {
            "type": "string",
            "enum": [
              "standalone",
              "gateway",
              "peripheral",
              "floating",
              "edgeCompute"
            ]
          },
          "gatewayId": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "edgeAgentVersion": {
            "type": "string",
            "pattern": "^(0|([1-9]\\d*))\\.(0|([1-9]\\d*))\\.(0|([1-9]\\d*))$"
          },
          "connectionInfo": {
            "type": "object",
            "properties": {
              "time": {
                "type": "string",
                "format": "date-time"
              },
              "connected": {
                "enum": [
                  1,
                  0,
                  null
                ]
              }
            }
          }
        }
      }
    },
    "count": {
      "type": "integer"
    },
    "totalCount": {
      "type": "integer"
    },
    "perPage": {
      "type": "integer"
    },
    "page": {
      "type": "integer"
    },
    "filter": {
      "type": "string"
    },
    "filterField": {
      "type": "string"
    },
    "sortField": {
      "type": "string"
    },
    "sortDirection": {
      "type": "string",
      "enum": [
        "asc",
        "desc",
        "ASC",
        "DESC",
        ""
      ]
    },
    "applicationId": {
      "type": "string",
      "pattern": "^[A-Fa-f\\d]{24}$"
    },
    "deviceClass": {
      "type": "string",
      "enum": [
        "standalone",
        "gateway",
        "peripheral",
        "floating",
        "edgeCompute"
      ]
    },
    "tagFilter": {
      "title": "Device Tag Filter",
      "description": "Array of Tags for filtering devices. Tag keys and tag values are optional.",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "key": {
            "type": "string",
            "pattern": "^[0-9a-zA-Z_-]{1,255}$"
          },
          "value": {
            "type": "string",
            "minLength": 1,
            "maxLength": 255
          }
        },
        "additionalProperties": false
      },
      "maxItems": 100
    }
  }
}