using System.Collections;

namespace AibisDream.SaveSystem
{
    /// <summary>sections["day2SleepPresentation"]：D2 Sleep 动态表现语义终态。</summary>
    public sealed class Day2SleepPresentationSnapshotProvider : IAsyncSnapshotProvider
    {
        public string SaveId => SnapshotProviderIds.Day2SleepPresentation;
        public int RestoreOrder => 70;

        public object Capture()
        {
            var controller = Day2SleepPresentationController.Instance;
            return controller != null && controller.HasPersistableState
                ? controller.CaptureSnapshot()
                : null;
        }

        public IEnumerator RestoreAsync(object dto, SnapshotRestoreContext context)
        {
            if (dto is not Day2SleepPresentationSnapshotDto snapshot)
            {
                context.Warn("[Day2SleepPresentationSnapshotProvider] DTO 类型不匹配，跳过还原。");
                yield break;
            }
            var controller = Day2SleepPresentationController.Instance;
            if (controller == null)
            {
                context.Warn("[Day2SleepPresentationSnapshotProvider] 控制器未初始化，跳过还原。");
                yield break;
            }
            yield return controller.RestoreSnapshotAsync(snapshot, context.Warn);
        }
    }
}