{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "$id": "https://smart-data-models.github.io/dataModel.Parking/ParkingSpot/schema.json",
    "title": "Parking Spot",
    "description": "A parking spot is an area well delimited where one vehicle can be parked.",
    "type": "object",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/PhysicalObject-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "ParkingSpot"
                    ],
                    "description": "Property. NGSI Entity type. It has to be ParkingSpot"
                },
                "status": {
                    "type": "string",
                    "enum": [
                        "closed",
                        "free",
                        "occupied",
                        "unknown"
                    ],
                    "description": "Property. Model:'https://schema.org/Text'. Status of the parking spot from the point of view of occupancy. Enum:'closed, free, occupied, unknown'"
                },
                "width": {
                    "type": "number",
                    "minimum": 0,
                    "description": "Property. Model:'https://schema.org/width'. Width of the parking spot."
                },
                "length": {
                    "type": "number",
                    "minimum": 0,
                    "description": "Property. Model:'https://schema.org/length'. Length of the parking spot."
                },
                "refParkingGroup": {
                    "description": "Relationship. Group to which the parking spot belongs to. For model simplification purposes only one group is allowed per parking spot.",
                    "anyOf": [
                        {
                            "type": "string",
                            "minLength": 1,
                            "maxLength": 256,
                            "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
                            "description": "Property. Identifier format of any NGSI entity"
                        },
                        {
                            "type": "string",
                            "format": "uri",
                            "description": "Property. Identifier format of any NGSI entity"
                        }
                    ]
                },
                "refParkingSite": {
                    "description": "Relationship. Parking site to which the parking spot belongs to.",
                    "anyOf": [
                        {
                            "type": "string",
                            "minLength": 1,
                            "maxLength": 256,
                            "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
                            "description": "Property. Identifier format of any NGSI entity"
                        },
                        {
                            "type": "string",
                            "format": "uri",
                            "description": "Property. Identifier format of any NGSI entity"
                        }
                    ]
                },
                "category": {
                    "type": "array",
                    "description": "Property. Category(ies) of the parking spot. `onStreet` : The parking spot belongs to an onStreet parking site. `offStreet` : The parking spot belongs to an offStreet parking site.",
                    "minItems": 1,
                    "uniqueItems": true,
                    "items": {
                        "type": "string",
                        "enum": [
                            "onStreet",
                            "offStreet"
                        ]
                    }
                },
                "refDevice": {
                    "type": "array",
                    "items": {
                        "anyOf": [
                            {
                                "type": "string",
                                "minLength": 1,
                                "maxLength": 256,
                                "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
                                "description": "Property. Identifier format of any NGSI entity"
                            },
                            {
                                "type": "string",
                                "format": "uri",
                                "description": "Property. Identifier format of any NGSI entity"
                            }
                        ]
                    },
                    "minItems": 1,
                    "uniqueItems": true,
                    "description": "Relationship. The device representing the physical sensor used to monitor this parking spot."
                },
                "TimeInstant": {
                    "type": "string",
                    "format": "date-time",
                    "description": "Property. Timestamp saved by FIWARE's IoT Agent. There can be production environments where the attribute type is equal to the `ISO8601` string. If so, it must be considered as a synonym of `DateTime`. Note: This attribute has not been harmonized to keep backwards compatibility with current FIWARE reference implementations."
                }
            }
        }
    ],
    "required": [
        "id",
        "location",
        "type",
        "status",
        "category",
        "refParkingSite"
    ]
}