using System;
using System.Threading;
using System.Threading.Tasks;
using Wino.Core.Domain.Interfaces;
using Wino.Core.Domain.Models.Server;
using Wino.Core.Domain.Models.Synchronization;
using Wino.Messaging.Server;
using Wino.Server.Core;

namespace Wino.Server.MessageHandlers
{
    public class CalendarSynchronizationRequestHandler : ServerMessageHandler<NewCalendarSynchronizationRequested, CalendarSynchronizationResult>
    {
        public override WinoServerResponse<CalendarSynchronizationResult> FailureDefaultResponse(Exception ex)
           => WinoServerResponse<CalendarSynchronizationResult>.CreateErrorResponse(ex.Message);

        private readonly ISynchronizerFactory _synchronizerFactory;

        public CalendarSynchronizationRequestHandler(ISynchronizerFactory synchronizerFactory)
        {
            _synchronizerFactory = synchronizerFactory;
        }

        protected override async Task<WinoServerResponse<CalendarSynchronizationResult>> HandleAsync(NewCalendarSynchronizationRequested message, CancellationToken cancellationToken = default)
        {
            var synchronizer = await _synchronizerFactory.GetAccountSynchronizerAsync(message.Options.AccountId);

            try
            {
                var synchronizationResult = await synchronizer.SynchronizeCalendarEventsAsync(message.Options, cancellationToken);

                return WinoServerResponse<CalendarSynchronizationResult>.CreateSuccessResponse(synchronizationResult);
            }
            catch (Exception ex)
            {
                throw;
            }
        }
    }
}