using System.Collections;

namespace AibisDream.SaveSystem
{
    /// <summary>sections["showcase"]：梦境通用静态图片；先于场景专属表现恢复。</summary>
    public sealed class ShowcaseSnapshotProvider : IAsyncSnapshotProvider
    {
        public string SaveId => SnapshotProviderIds.Showcase;
        public int RestoreOrder => 69;

        public object Capture()
        {
            return SpriteShowcase.Instance != null
                ? SpriteShowcase.Instance.CaptureSnapshot()
                : null;
        }

        public IEnumerator RestoreAsync(object dto, SnapshotRestoreContext context)
        {
            if (dto is not ShowcaseSnapshotDto snapshot)
            {
                context.Warn("[ShowcaseSnapshotProvider] DTO 类型不匹配，跳过还原。");
                yield break;
            }
            var showcase = SpriteShowcase.Instance;
            if (showcase == null)
            {
                context.Warn("[ShowcaseSnapshotProvider] SpriteShowcase 未初始化，跳过还原。");
                yield break;
            }
            yield return showcase.RestoreSnapshotAsync(snapshot, context.Warn);
        }
    }
}