using Entitas;
using UnityEngine;
using Game;
public class TimelineSystem : IExecuteSystem, IInitializeSystem
{
    private IGroup<GameEntity> _entities;
    public void Initialize()
    {
        _entities = Util.GetGroup(GameMatcher.Timeline);
    }
    public void Execute()
    {
        foreach (var entity in _entities)
        {
            var timeline = entity.timeline;
            if (!timeline.IsRunning)
                continue;
            if (timeline.IsPause)
                continue;
            UpdateCheckEnd(entity);
            UpdateTimeline(timeline);
        }
    }
    public void UpdateCheckEnd(GameEntity entity)
    {
        var timeline = entity.timeline;
        timeline.TimePast += Time.deltaTime;
        if (timeline.TimePast >= timeline.TimeMax)
        {
            Util.EndSkillTimeline(entity);
            return;
        }
    }
    public void UpdateTimeline(TimelineComponent timeline)
    {
        // if (timeline.timePast == 0)
        // {
        //     return;
        // }
        foreach (var clip in timeline.Timeline.MClips)
        {
            var clipReal = clip.Clip;
            var isOpenTime = timeline.TimePast >= clipReal.StartTime && timeline.TimePast < clipReal.EndTime;
            if (clipReal.IsAlive && !isOpenTime)
            {
                clipReal.OnLeave();
                clipReal.IsAlive = false;
            }
        }
        foreach (var clip in timeline.Timeline.MClips)
        {
            var clipReal = clip.Clip;
            var isOpenTime = timeline.TimePast >= clipReal.StartTime && timeline.TimePast < clipReal.EndTime;
            if (!clipReal.IsAlive && isOpenTime)
            {
                clipReal.OnEnter();
                clipReal.IsAlive = true;
            }
            if (clipReal.IsAlive && isOpenTime)
            {
                clipReal.OnStay();
            }
        }
    }
}