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

namespace Tango.PPC.Common.Connection
{
    /// <summary>
    /// Represents the machine connection provider.
    /// </summary>
    public interface IMachineProvider
    {
        /// <summary>
        /// Occurs when the machine has connected.
        /// </summary>
        event EventHandler MachineConnected;

        /// <summary>
        /// Occurs when the machine has disconnected.
        /// </summary>
        event EventHandler MachineDisconnected;

        /// <summary>
        /// Gets a value indicating whether the machine is currently connected.
        /// </summary>
        bool IsConnected { get; }

        /// <summary>
        /// Gets the database machine entity associated with the current machine.
        /// </summary>
        Machine Machine { get; }

        /// <summary>
        /// Gets the machine operator.
        /// </summary>
        IMachineOperator MachineOperator { get; }

        /// <summary>
        /// Initializes this machine provider start machine port scanning and connection.
        /// </summary>
        void Init(Machine machine, ObservablesContext context);

        /// <summary>
        /// Saves the machine settings.
        /// </summary>
        /// <returns></returns>
        Task SaveMachine();
    }
}