using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.PMR.Diagnostics;

namespace Tango.FSE.Common.Events
{
    /// <summary>
    /// Represents a machine events notifications provider.
    /// </summary>
    public interface IEventsProvider
    {
        /// <summary>
        /// Gets a value indicating whether there are any active events currently.
        /// </summary>
        bool HasActiveEvents { get; }

        /// <summary>
        /// Gets the events history (resolved events).
        /// </summary>
        ObservableCollection<MachinesEvent> EventsHistory { get; }

        /// <summary>
        /// Gets the current active events.
        /// </summary>
        ObservableCollection<MachinesEvent> ActiveEvents { get; }

        /// <summary>
        /// Emulates a hardware event that will last for the specified timeout.
        /// </summary>
        /// <param name="ev">Type of the event.</param>
        /// <param name="timeout">The timeout.</param>
        Task PushEmulatedEvent(Event ev, TimeSpan timeout);
    }
}