using System.Threading;
using System.Threading.Tasks;
using MailKit;
using Wino.Core.Domain.Models.MailItem;
using Wino.Core.Domain.Models.Synchronization;

namespace Wino.Core.Domain.Interfaces
{
    public interface IWinoSynchronizerBase : IBaseSynchronizer
    {
        /// <summary>
        /// Performs a full synchronization with the server with given options.
        /// This will also prepares batch requests for execution.
        /// Requests are executed in the order they are queued and happens before the synchronization.
        /// Result of the execution queue is processed during the synchronization.
        /// </summary>
        /// <param name="options">Options for synchronization.</param>
        /// <param name="cancellationToken">Cancellation token.</param>
        /// <returns>Result summary of synchronization.</returns>
        Task<MailSynchronizationResult> SynchronizeMailsAsync(MailSynchronizationOptions options, CancellationToken cancellationToken = default);

        Task<CalendarSynchronizationResult> SynchronizeCalendarEventsAsync(CalendarSynchronizationOptions options, CancellationToken cancellationToken = default);

        /// <summary>
        /// Downloads a single MIME message from the server and saves it to disk.
        /// </summary>
        /// <param name="mailItem">Mail item to download from server.</param>
        /// <param name="transferProgress">Optional progress reporting for download operation.</param>
        /// <param name="cancellationToken">Cancellation token.</param>
        Task DownloadMissingMimeMessageAsync(IMailItem mailItem, ITransferProgress transferProgress, CancellationToken cancellationToken = default);

        /// <summary>
        /// 1. Cancel active synchronization.
        /// 2. Stop all running tasks.
        /// 3. Dispose all resources.
        /// </summary>
        Task KillSynchronizerAsync();
    }
}