using System.Collections;
using Yarn.Unity;

namespace AibisDream
{
    public static class TimelineYarnCommand
    {
        [YarnCommand("play_timeline")]
        public static IEnumerator PlayTimeline(string timelineName)
        {
            yield return TimelineCenter.Instance.PlayTimelineAsync(timelineName);
        }

        /// <summary>
        /// 开始播放 Timeline，不等待结束（适用于 Loop 或需与后续对白并行时）。
        /// </summary>
        [YarnCommand("start_timeline")]
        public static void StartTimeline(string timelineName)
        {
            TimelineCenter.Instance.PlayTimeline(timelineName);
        }

        /// <summary>
        /// 等待已在播放的 Timeline 结束（配合 start_timeline：可先在黑屏下起播，fade_out 后再等播完）。
        /// </summary>
        [YarnCommand("wait_timeline")]
        public static IEnumerator WaitTimeline(string timelineName)
        {
            yield return TimelineCenter.Instance.WaitTimelineAsync(timelineName);
        }

        [YarnCommand("reset_timeline")]
        public static void ResetTimeline(string timelineName)
        {
            TimelineCenter.Instance.ResetTimeline(timelineName);
        }

        [YarnCommand("hide_timeline")]
        public static void HideTimeline(string timelineName)
        {
            TimelineCenter.Instance.HideTimeline(timelineName);
        }
    }
}