using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Tango.BL.Entities;
using Tango.Integration.ExternalBridge;

namespace Tango.MachineStudio.Common.StudioApplication
{
    /// <summary>
    /// Represents the Machine Studio application manager.
    /// </summary>
    public interface IStudioApplicationManager : INotifyPropertyChanged
    {
        /// <summary>
        /// Occurs when the application is ready.
        /// </summary>
        event EventHandler ApplicationReady;

        /// <summary>
        /// Occurs when the connected machine session has been lost and an automatic reconnection with the last machine is required.
        /// </summary>
        event EventHandler ReconnectionRequired;

        /// <summary>
        /// Occurs when the connected machine property has changed.
        /// </summary>
        event EventHandler<IExternalBridgeClient> ConnectedMachineChanged;

        /// <summary>
        /// Gets a value indicating whether Machine Studio is shutting down.
        /// </summary>
        bool IsShuttingDown { get; }

        /// <summary>
        /// Shutdown the application.
        /// </summary>
        void ShutDown();

        /// <summary>
        /// Gets or sets the currently connected machine if any.
        /// </summary>
        IExternalBridgeClient ConnectedMachine { get; }

        /// <summary>
        /// Gets or sets the machine.
        /// </summary>
        Machine Machine { get; }

        /// <summary>
        /// Gets a value indicating whether the <see cref="ConnectedMachine"/> is valid.
        /// </summary>
        bool IsMachineConnected { get; }

        /// <summary>
        /// Gets a value indicating whether the <see cref="ConnectedMachine"/> is valid and connected through TCP/IP.
        /// </summary>
        bool IsMachineConnectedViaTCP { get; }

        /// <summary>
        /// Gets the machine studio application version.
        /// </summary>
        Version Version { get; }

        /// <summary>
        /// Gets the core libraries version.
        /// </summary>
        Version CoreVersion { get; }

        /// <summary>
        /// Gets the build date.
        /// </summary>
        String BuildDate { get; }

        /// <summary>
        /// Gets the change log.
        /// </summary>
        String ChangeLog { get;  }

        /// <summary>
        /// Notify the application manager about an external opened window.
        /// When application exists. All registered windows will be closed.
        /// </summary>
        /// <param name="window">The window.</param>
        void RegisterOpenedWindow(Window window);

        /// <summary>
        /// Raises the application ready event.
        /// </summary>
        void NotifyApplicationReady();

        /// <summary>
        /// Sets the connected machine.
        /// </summary>
        /// <param name="connectedMachine">The connected machine.</param>
        void SetConnectedMachine(IExternalBridgeClient connectedMachine);
    }
}