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

namespace Ichni.RhythmGame
{
    public abstract partial class AnimationBase : GameElement, IHaveTimeDurationSubmodule
    {
        public GameElement animatedObject;
        public FlexibleReturnType animationReturnType;

        public TimeDurationSubmodule timeDurationSubmodule { get; set; }

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

        }

        public override void AfterInitialize()
        {
            base.AfterInitialize();
            float delay = GameManager.instance.songInformation.delay;
            if (timeDurationSubmodule.CheckTimeInDuration(delay))
            {
                UpdateAnimation(GameManager.instance.songTime);
            }
        }

        /// <summary>
        /// 更新动画
        /// </summary>
        /// <param name="songTime">歌曲时间</param>
        protected abstract void UpdateAnimation(float songTime);

        protected virtual void Update()
        {
            if (!GameManager.instance.audioManager.isUpdating)
            {
                return;
            }
            
            if (timeDurationSubmodule.CheckTimeInDuration(GameManager.instance.songTime))
            {
                UpdateAnimation(GameManager.instance.songTime);
            }
        }

        /// <summary>
        /// 施加时间偏移，即移动所有Flexible参数的时间
        /// </summary>
        /// <param name="offset"></param>
        public virtual void ApplyTimeOffset(float offset)
        {
            timeDurationSubmodule.startTime += offset;
            timeDurationSubmodule.endTime += offset;
        }
    }

    namespace Beatmap
    {
        public abstract class AnimationBase_BM : GameElement_BM
        {
            public AnimationBase_BM()
            {

            }

            public AnimationBase_BM(string elementName, Guid elementGuid, List<string> tags,
                GameElement_BM attachedElement) : base(elementName, elementGuid, tags, attachedElement)
            {

            }
        }

    }
}