"""
DistanceTracker represents a device which can detect other devices around itself and estimate
the distances, e.g. by using Bluetooth scanning technology and estimating the distance.

"""
type DistanceTrackerDevice implements Host & Device {
    hostid: ID!
    """
    Per convention a uuid is used as hostname to identify devices if they do not have a unique hostname
    """
    host: String!
    deviceType: String
    hostgroups: [HostGroup!]
    name: String
    tags: DeviceConfig
    state: DistanceTrackerState
}

type DistanceTrackerState implements DeviceState {
    operational: OperationalDeviceData
    current: DistanceTrackerValues
}

"""
Aggregated information of devices detected around the tracker
"""
type DistanceTrackerValues {
    """
    Start of time interval for the delivered device counting value
    """
    timeFrom: Time
    """
    End of time interval for the delivered device counting value
    """
    timeUntil: Time

    """
    Number of unique deviceKeys detected between timeFrom and timeUnti
    """
    count: Int
    """
    Detailed information about devices detected nearby
    """
    distances: [SensorDistanceValue!]
}