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

namespace Ichni.RhythmGame
{
    public abstract class NoteGenerateEffect : NoteEffectBase
    {
        #region [效果参数] Effect Parameters
        public float generateTime;
        #endregion

        #region [效果逻辑覆盖] Effect Pattern Overrides
        protected override EffectState CheckEffectState(float triggerTime)
        {
            float songTime = CoreServices.TimeProvider.SongTime;
            triggerTime -= generateTime;

            if (songTime < triggerTime)
            {
                return EffectState.Before;
            }

            if (songTime >= triggerTime &&
                songTime <= triggerTime + effectTime)
            {
                return EffectState.Middle;
            }

            if (songTime > triggerTime + effectTime)
            {
                return EffectState.After;
            }

            return EffectState.Error;
        }
        
        public override void UpdateEffect(float judgeTime)
        {
            EffectState state = CheckEffectState(judgeTime);
            float songTime = CoreServices.TimeProvider.SongTime;
            judgeTime -= generateTime;
            
            if (state == EffectState.Before && nowEffectState != EffectState.Before)
            {
                nowEffectState = EffectState.Before;
                effectProgressPercent = 0;
                Recover();
            }
            else if (state == EffectState.Middle)
            {
                if (nowEffectState == EffectState.Before)
                {
                    PreExecute();
                }
                
                nowEffectState = EffectState.Middle;
                effectProgressPercent = (songTime - judgeTime) / effectTime;
                Execute();
            }
            else if (state == EffectState.After && nowEffectState != EffectState.After)
            {
                nowEffectState = EffectState.After;
                effectProgressPercent = 1;
                Adjust();
            }
        }
        #endregion
    }
    

}