using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Ichni.RhythmGame
{
    public class TrackTimeSubmodule : TrackSubmodule
    {
        public float headPercent, tailPercent;

        public TrackTimeSubmodule(Track track) : base(track)
        {
            this.track = track;
            this.track.trackTimeSubmodule = this;
        }

        public override void SaveBM()
        {
            throw new System.NotImplementedException();
        }
    }

    #region Movable

    public class TrackTimeSubmoduleMovable : TrackTimeSubmodule
    {
        public float trackStartTime;
        public float trackEndTime;
        public float trackTotalTime;
        public float visibleTrackTimeLength;
        public AnimationCurveType animationCurveType;

        public TrackTimeSubmoduleMovable(Track track, float trackStartTime, float trackEndTime,
            float visibleTrackTimeLength, AnimationCurveType animationCurveType) : base(track)
        {
            this.track.trackTimeSubmodule = this;
            this.trackStartTime = trackStartTime;
            this.trackEndTime = trackEndTime;
            this.trackTotalTime = trackEndTime - trackStartTime;
            this.visibleTrackTimeLength = visibleTrackTimeLength;
            this.animationCurveType = animationCurveType;
            //timeDurationSubmodule 根据下辖Note的时间来设置
        }

        public void UpdateTrackPart()
        {
            float songTime = EditorManager.instance.songInformation.songTime;

            headPercent = GetTrackPercent(songTime);
            tailPercent = GetTrackPercent(songTime - visibleTrackTimeLength);

            if (track.trackRendererSubmodule != null)
            {
                track.trackRendererSubmodule.meshGenerator.clipFrom = tailPercent;
                track.trackRendererSubmodule.meshGenerator.clipTo = headPercent;
            }
        }

        public float GetTrackPercent(float songTimeInTime)
        {
            float per = AnimationCurveEvaluator.Evaluate(animationCurveType,
                (songTimeInTime - trackStartTime) / trackTotalTime);
            return Mathf.Clamp01(per);
        }
        
        public override void SaveBM()
        {
            matchedBM = new Beatmap.TrackTimeSubmoduleMovable_BM(attachedGameElement, this);
        }
    }

    namespace Beatmap
    {
        public class TrackTimeSubmoduleMovable_BM : Submodule_BM
        {
            public float trackStartTime;
            public float trackEndTime;
            public float visibleTrackTimeLength;
            public AnimationCurveType animationCurveType;
            
            public TrackTimeSubmoduleMovable_BM()
            {
                
            }
            
            public TrackTimeSubmoduleMovable_BM(GameElement attachedElement, TrackTimeSubmoduleMovable trackTimeSubmoduleMovable) : base(attachedElement)
            {
                trackStartTime = trackTimeSubmoduleMovable.trackStartTime;
                trackEndTime = trackTimeSubmoduleMovable.trackEndTime;
                visibleTrackTimeLength = trackTimeSubmoduleMovable.visibleTrackTimeLength;
                animationCurveType = trackTimeSubmoduleMovable.animationCurveType;
            }
            
            public override void ExecuteBM()
            {
                attachedElement = GameElement_BM.GetElement(attachedElementGuid);
                Track track = attachedElement as Track;
                track.trackTimeSubmodule = new TrackTimeSubmoduleMovable(track, trackStartTime, trackEndTime, visibleTrackTimeLength, animationCurveType);
                track.submoduleList.Add(track.trackTimeSubmodule);
            }
            
            public override void DuplicateBM(GameElement attached)
            {
                Track track = attached as Track;
                track.trackTimeSubmodule = new TrackTimeSubmoduleMovable(track, trackStartTime, trackEndTime, visibleTrackTimeLength, animationCurveType);
                track.submoduleList.Add(track.trackTimeSubmodule);
            }
        }
    }

    #endregion

    #region Static
    public class TrackTimeSubmoduleStatic : TrackTimeSubmodule
    {
        public float trackTotalTime;
        public AnimationCurveType animationCurveType;

        public TrackTimeSubmoduleStatic(Track track, float trackTotalTime, AnimationCurveType animationCurveType) :
            base(track)
        {
            this.trackTotalTime = trackTotalTime;
            this.animationCurveType = animationCurveType;
            this.headPercent = 0;
            this.tailPercent = 1;
            //timeDurationSubmodule 根据下辖Note的时间来设置
        }
        
        public override void SaveBM()
        {
            matchedBM = new Beatmap.TrackTimeSubmoduleStatic_BM(attachedGameElement, this);
        }
    }

    namespace Beatmap
    {
        public class TrackTimeSubmoduleStatic_BM : Submodule_BM
        {
            public float trackTotalTime;
            public AnimationCurveType animationCurveType;
            
            public TrackTimeSubmoduleStatic_BM()
            {
                
            }
            
            public TrackTimeSubmoduleStatic_BM(GameElement attachedElement, TrackTimeSubmoduleStatic trackTimeSubmoduleStatic) : base(attachedElement)
            {
                trackTotalTime = trackTimeSubmoduleStatic.trackTotalTime;
                animationCurveType = trackTimeSubmoduleStatic.animationCurveType;
            }
            
            public override void ExecuteBM()
            {
                attachedElement = GameElement_BM.GetElement(attachedElementGuid);
                Track track = attachedElement as Track;
                track.trackTimeSubmodule = new TrackTimeSubmoduleStatic(track, trackTotalTime, animationCurveType);
                track.submoduleList.Add(track.trackTimeSubmodule);
            }
            
            public override void DuplicateBM(GameElement attached)
            {
                Track track = attached as Track;
                track.trackTimeSubmodule = new TrackTimeSubmoduleStatic(track, trackTotalTime, animationCurveType);
                track.submoduleList.Add(track.trackTimeSubmodule);
            }
        }
    }
    #endregion
}