using System;
using System.Collections;
using System.Collections.Generic;
using Ichni.RhythmGame.Beatmap;

namespace Ichni.RhythmGame
{
    public partial class TrackTotalTimeChange : AnimationBase
    {
        #region [暴露属性字段与关联] Exposed Fields & References
        public FlexibleFloat totalTime;
        public TrackTimeSubmoduleStatic targetTrackTimeSubmoduleStatic;
        #endregion

        #region [生命周期与工厂] Lifecycle & Factory
        public static TrackTotalTimeChange GenerateElement(string elementName, Guid id,
            List<string> tags, bool isFirstGenerated, Track animatedTrack, FlexibleFloat totalTime)
        {
            TrackTotalTimeChange trackTotalTimeChange = Instantiate(GameManager.Instance.basePrefabs.emptyObject).AddComponent<TrackTotalTimeChange>();
            trackTotalTimeChange.Initialize(elementName, id, tags, isFirstGenerated, animatedTrack);

            trackTotalTimeChange.animatedObject = animatedTrack;

            trackTotalTimeChange.targetTrackTimeSubmoduleStatic = animatedTrack.trackTimeSubmodule as TrackTimeSubmoduleStatic;

            trackTotalTimeChange.totalTime = totalTime;
            trackTotalTimeChange.animationReturnType = FlexibleReturnType.Before;
            //trackTotalTimeChange.timeDurationSubmodule.SetDuration(totalTime);

            return trackTotalTimeChange;
        }

        public override void SetDefaultSubmodules()
        {
            timeDurationSubmodule = new TimeDurationSubmodule(this);
        }
        #endregion

        #region [核心动画逻辑] Core Animation Logic
        protected override void UpdateAnimation(float songTime, bool forceUpdate)
        {
            totalTime.UpdateFlexibleFloat(songTime);

            if (totalTime.returnType == FlexibleReturnType.MiddleExecuting)
            {
                targetTrackTimeSubmoduleStatic.trackTotalTime = totalTime.value;
            }
        }
        
        public override void ApplyTimeOffset(float offset)
        {
            base.ApplyTimeOffset(offset);
            totalTime.animations.ForEach(anim => anim.ApplyTimeOffset(offset));
        }
        #endregion
    }

}