using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.FSE.Common.FileSystem;
using Tango.Integration.Logging;
using Tango.Logging;
using Tango.PPC.Shared.Logs;

namespace Tango.FSE.Common.Logging
{
    /// <summary>
    /// Represents global application/firmware logs provider.
    /// </summary>
    public interface ILoggingProvider
    {
        /// <summary>
        /// Gets the last retrieved history of the application log files.
        /// </summary>
        ObservableCollection<RemoteLogFile> ApplicationLogFiles { get; }

        /// <summary>
        /// Gets the last retrieved history of the embedded firmware log files.
        /// </summary>
        ObservableCollection<RemoteLogFile> FirmwareLogFiles { get; }

        /// <summary>
        /// Gets the history of application log files.
        /// </summary>
        /// <returns></returns>
        Task<List<RemoteLogFile>> GetApplicationLogFiles();

        /// <summary>
        /// Gets the history of the embedded firmware log files.
        /// </summary>
        /// <returns></returns>
        Task<List<RemoteLogFile>> GetFirmwareLogFiles();

        /// <summary>
        /// Downloads the specified remote log file.
        /// </summary>
        /// <param name="logFile">The log file.</param>
        /// <param name="targetFile">Target file.</param>
        /// <returns></returns>
        Task<FileSystemHandler> DownloadLogFile(RemoteLogFile logFile, String targetFile);

        /// <summary>
        /// Occurs when a new FSE application log is available.
        /// </summary>
        event EventHandler<LogItemBase> FSELogAvailable;

        /// <summary>
        /// Occurs when a new PPC application log is available.
        /// </summary>
        event EventHandler<LogItemBase> ApplicationLogAvailable;

        /// <summary>
        /// Occurs when a new embedded firmware log is available.
        /// </summary>
        event EventHandler<EmbeddedLogItem> FirmwareLogAvailable;
    }
}