Wino-Mail/Wino.Core/Synchronizers/ImapSync/ImapSynchronizationStrategyProvider.cs

using MailKit.Net.Imap;
using Wino.Core.Domain.Interfaces;
using Wino.Core.Integration;

namespace Wino.Core.Synchronizers.ImapSync
{
    internal class ImapSynchronizationStrategyProvider : IImapSynchronizationStrategyProvider
    {
        private readonly QResyncSynchronizer _qResyncSynchronizer;
        private readonly CondstoreSynchronizer _condstoreSynchronizer;
        private readonly UidBasedSynchronizer _uidBasedSynchronizer;

        public ImapSynchronizationStrategyProvider(QResyncSynchronizer qResyncSynchronizer, CondstoreSynchronizer condstoreSynchronizer, UidBasedSynchronizer uidBasedSynchronizer)
        {
            _qResyncSynchronizer = qResyncSynchronizer;
            _condstoreSynchronizer = condstoreSynchronizer;
            _uidBasedSynchronizer = uidBasedSynchronizer;
        }

        public IImapSynchronizerStrategy GetSynchronizationStrategy(IImapClient client)
        {
            if (client is not WinoImapClient winoImapClient)
                throw new System.ArgumentException("Client must be of type WinoImapClient.", nameof(client));

            if (client.Capabilities.HasFlag(ImapCapabilities.QuickResync) && winoImapClient.IsQResyncEnabled) return _qResyncSynchronizer;
            if (client.Capabilities.HasFlag(ImapCapabilities.CondStore)) return _condstoreSynchronizer;

            return _uidBasedSynchronizer;
        }
    }
}