using System;

namespace OpenMacroBoard.SDK
{
    /// <summary>
    /// An event argument that reports a connection status change for a particular device.
    /// </summary>
    public class DeviceConnectionChangedEventArgs : EventArgs
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="DeviceConnectionChangedEventArgs"/> class.
        /// </summary>
        /// <param name="deviceReference">A device reference.</param>
        /// <param name="connected">The current connection state.</param>
        public DeviceConnectionChangedEventArgs(IDeviceReference deviceReference, bool connected)
        {
            DeviceReference = deviceReference ?? throw new ArgumentNullException(nameof(deviceReference));
            Connected = connected;
        }

        /// <summary>
        /// Gets a handle to the device that changed.
        /// </summary>
        public IDeviceReference DeviceReference { get; }

        /// <summary>
        /// Gets a value that indicates the connection state change. True if the device got connected,
        /// false if the device got disconnected.
        /// </summary>
        public bool Connected { get; }
    }
}