using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.PMR.Synchronization;

namespace Tango.PPC.Common.MachineUpdate
{
    public interface IMachineUpdateManager
    {
        /// <summary>
        /// Gets the current setup step.
        /// </summary>
        MachineUpdateSteps CurrentStep { get; }

        /// <summary>
        /// Occurs when there is a text log message available.
        /// </summary>
        event EventHandler<String> ProgressLog;

        /// <summary>
        /// Gets the downloading packages step progress.
        /// </summary>
        double DownloadingPackagesProgress { get; }

        /// <summary>
        /// Gets the downloading packages step status.
        /// </summary>
        String DownloadingPackagesStatus { get; }

        /// <summary>
        /// Occurs when the <see cref="CurrentStep"/> has changed.
        /// </summary>
        event EventHandler<MachineUpdateSteps> ProgressStep;

        /// <summary>
        /// Performs a machine update using the specified serial number and machine service address.
        /// </summary>
        /// <param name="serialNumber">The serial number.</param>
        /// <param name="machineServiceAddress">The machine service address.</param>
        /// <returns></returns>
        Task<MachineUpdateResult> Update(String serialNumber, String machineServiceAddress);

        /// <summary>
        /// Checks if any update are available for the specified machine serial number.
        /// </summary>
        /// <param name="serialNumber">The serial number.</param>
        /// <param name="machineServiceAddress">The machine service address.</param>
        /// <returns></returns>
        Task<CheckForUpdateResponse> CheckForUpdate(String serialNumber, String machineServiceAddress);

        /// <summary>
        /// Checks whether it is necessary to updates all the "overwrite-able" database tables.
        /// </summary>
        /// <param name="serialNumber">The serial number.</param>
        /// <param name="machineServiceAddress">The machine service address.</param>
        /// <returns></returns>
        Task<DbCompareResult> UpdateDBCheck(String serialNumber, String machineServiceAddress);

        /// <summary>
        /// Updates all the "overwrite-able" database tables.
        /// </summary>
        /// <returns></returns>
        Task UpdateDB(DbCompareResult dbCompareResult);
    }
}