{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "title": "Device",
        "description": "Schema for a single Device",
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "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",
                    "blob"
                  ]
                },
                "contentType": {
                  "type": "string",
                  "maxLength": 64
                },
                "description": {
                  "type": "string",
                  "maxLength": 32767
                },
                "attributeTags": {
                  "type": "object",
                  "patternProperties": {
                    "^[0-9a-zA-Z_-]{1,255}$": {
                      "type": "string",
                      "minLength": 1,
                      "maxLength": 255
                    }
                  },
                  "additionalProperties": false
                },
                "system": {
                  "type": "object",
                  "properties": {
                    "aggregation": {
                      "type": "string",
                      "enum": [
                        "FIRST",
                        "LAST",
                        "COUNT",
                        "MAX",
                        "MIN",
                        "MEDIAN",
                        "MEAN",
                        "SUM",
                        "STD_DEV"
                      ]
                    },
                    "aggregationOptions": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "additionalProperties": false
                      },
                      "additionalProperties": false,
                      "maxItems": 0
                    },
                    "childAttributes": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "name": {
                            "type": "string",
                            "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                          },
                          "mode": {
                            "type": "string",
                            "enum": [
                              "all",
                              "whitelist",
                              "blacklist"
                            ]
                          },
                          "deviceIds": {
                            "type": "array",
                            "items": {
                              "type": "string",
                              "pattern": "^[A-Fa-f\\d]{24}$"
                            },
                            "maxItems": 1000
                          },
                          "deviceTags": {
                            "type": "array",
                            "items": {
                              "type": "object",
                              "properties": {
                                "key": {
                                  "type": "string",
                                  "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                                },
                                "value": {
                                  "type": "string",
                                  "minLength": 1,
                                  "maxLength": 255
                                }
                              },
                              "additionalProperties": false
                            },
                            "maxItems": 100
                          }
                        },
                        "required": [
                          "name",
                          "mode"
                        ],
                        "additionalProperties": false
                      },
                      "maxItems": 256
                    }
                  },
                  "additionalProperties": false
                }
              },
              "required": [
                "name",
                "dataType"
              ],
              "additionalProperties": false
            },
            "maxItems": 256
          },
          "deviceClass": {
            "type": "string",
            "enum": [
              "standalone",
              "gateway",
              "peripheral",
              "floating",
              "edgeCompute",
              "system",
              "embedded"
            ]
          },
          "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
                ]
              }
            }
          },
          "parentId": {
            "oneOf": [
              {
                "type": "string",
                "pattern": "^[A-Fa-f\\d]{24}$"
              },
              {
                "type": "null"
              }
            ]
          },
          "systemInterval": {
            "type": "integer",
            "minimum": 5,
            "maximum": 3600
          },
          "keepDuplicates": {
            "type": "boolean"
          }
        }
      }
    },
    "count": {
      "type": "integer"
    },
    "totalCount": {
      "type": "integer"
    },
    "perPage": {
      "type": "integer"
    },
    "page": {
      "type": "integer"
    },
    "filter": {
      "type": "string"
    },
    "filterField": {
      "type": "string"
    },
    "sortField": {
      "type": "string"
    },
    "sortDirection": {
      "type": "string",
      "enum": [
        "asc",
        "desc",
        "ASC",
        "DESC",
        ""
      ]
    },
    "applicationId": {
      "type": "string",
      "pattern": "^[A-Fa-f\\d]{24}$"
    },
    "deviceClass": {
      "type": "string",
      "enum": [
        "standalone",
        "gateway",
        "peripheral",
        "floating",
        "edgeCompute",
        "system",
        "embedded"
      ]
    },
    "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}$"
          },
          "value": {
            "type": "string",
            "minLength": 1,
            "maxLength": 255
          }
        },
        "additionalProperties": false
      },
      "maxItems": 100
    },
    "parentId": {
      "oneOf": [
        {
          "type": "string",
          "pattern": "^[A-Fa-f\\d]{24}$"
        },
        {
          "type": "null"
        }
      ]
    },
    "query": {
      "type": "object"
    }
  }
}