using System.Collections;
using UnityEngine;

namespace AibisDream.SaveSystem
{
    /// <summary>
    /// sections["env"]：场景内时间/天气（EnvironmentManager）。
    /// RestoreOrder=20，在 scene 加载完成后、macro 之前还原环境。
    /// </summary>
    public class EnvironmentSnapshotProvider : ISnapshotProvider
    {
        public string SaveId => SnapshotProviderIds.Environment;
        public int RestoreOrder => 20;

        public object Capture()
        {
            if (EnvironmentManager.Instance == null)
            {
                Debug.LogWarning("[EnvironmentSnapshotProvider] EnvironmentManager 未初始化，跳过捕获。");
                return null;
            }

            return EnvironmentManager.Instance.CaptureSnapshot();
        }

        public IEnumerator Restore(object dto)
        {
            if (dto is not EnvironmentSnapshotDto env)
            {
                yield break;
            }

            yield return EnvironmentManager.Instance.RestoreSnapshot(env);
        }
    }
}