using ShotSimulator.Target;
using ShotSimulator.Tool;
using ShotSimulator.Train.Info;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;
using System.Linq;

namespace ShotSimulator.Train
{
    public class MemoryShotTrainHandle : BaseTrainHandle
    {
        private List<Color> RandomColors = new List<Color>()
        {
            Color.red,Color.yellow,Color.green,Color.blue,
            new Color(1,165f/255f,0),//³بة«
            new Color(148f/255f,0,211f/255f),//×دة«
            new Color(1,192f/255,203f/255f)//·غة«
        };
        private Color curTargetColor;
        private List<Color> falseColors = new List<Color>();

        private int curGenerateTargetNumIndex;
        private List<int> generateTargetNum = new List<int> { 4, 5 };

        private List<Vector3> generateTargetPos = new List<Vector3>();

        private float curTargetDistance;

        private JudgeShotStep curStep = JudgeShotStep.Observe;
        private TimeTask m_ObserveTimer;

        private TimeTask m_IntervalTimer;

        private List<SphereShotTarget> curTargets = new List<SphereShotTarget>();

        private MemoryShotTrainDifficultyData m_DifficultyData;

        private MemoryShotTrainScoreData m_ScoreData;

        protected float totalReactionTime;
        private float invalidDecisionNums;
        private float validityDecisionNums;
        private float curObaserveFinishTime;
        private double m_TotalHitNum;
        private double TotalHitNum
        {
            get { return m_TotalHitNum; }
            set
            {
                m_TotalHitNum = value;
                UpdatePrecision();
            }
        }
        private double m_MissHitNum;
        private double MissHitNum
        {
            get { return m_MissHitNum; }
            set
            {
                m_MissHitNum = value;
                UpdatePrecision();
            }
        }
        public MemoryShotTrainHandle(BaseTrainCallBack callBack, BaseTrainInfo info, DifficultyType difficultyType) : base(callBack, info, difficultyType)
        {
            SetShotTargetInteractiveEvent(ShotTargetInteractiveType.OnClick, OnShottedTargetEvent);

            m_DifficultyData = info.GetDifficultyData<MemoryShotTrainDifficultyData>(m_DifficultyType);
            m_ScoreData = info.GetScoreData<MemoryShotTrainScoreData>(m_DifficultyType);
        }

        #region Train
        protected override void ResetTrain()
        {
            ResetTarget();
            curTargetColor = Color.white;
            curStep = JudgeShotStep.Observe;
            TimerSystem.GetInstance().RemoveTimeTask(m_ObserveTimer);
            m_ObserveTimer = null;
            TimerSystem.GetInstance().RemoveTimeTask(m_IntervalTimer);
            m_IntervalTimer = null;

            falseColors.Clear();
            curGenerateTargetNumIndex = 0;
            generateTargetPos.Clear();
            curTargetDistance = 0;

            totalReactionTime = 0;
            invalidDecisionNums = 0;
            validityDecisionNums = 0;
            curObaserveFinishTime = 0;
            m_TotalHitNum = 0;
            m_MissHitNum = 0;
        }
        public override void StartTrain()
        {
            base.StartTrain();

            SwitchTrainStep(JudgeShotStep.Observe);
        }
        public override void PauseTrain()
        {
            base.PauseTrain();

            if (m_ObserveTimer != null)
            {
                m_ObserveTimer.pause = true;
            }
            if (m_IntervalTimer != null)
            {
                m_IntervalTimer.pause = true;
            }
        }

        public override void ContinueTrain()
        {
            base.ContinueTrain();

            if (m_ObserveTimer != null)
            {
                m_ObserveTimer.pause = false;
            }
            if (m_IntervalTimer != null)
            {
                m_IntervalTimer.pause = false;
            }
        }

        public override void CalculateTrainResult()
        {
            SetResultMetricsDataValue(MetricsType.ReactionTime, Math.Round(totalReactionTime / (invalidDecisionNums + validityDecisionNums), 2));
            SetResultMetricsDataValue(MetricsType.DeactionAccurancy, Math.Round(validityDecisionNums / (invalidDecisionNums + validityDecisionNums), 2));
            SetResultMetricsDataValue(MetricsType.VisualMemory, validityDecisionNums);
        }
        #endregion
        private void UpdatePrecision()
        {
            double totalShot = TotalHitNum + MissHitNum;
            double precision = 0;
            if (totalShot != 0)
            {
                precision = Math.Round(TotalHitNum / totalShot, 2);
            }
            SetResultMetricsDataValue(MetricsType.Precision, precision);
        }
        #region ShotTarget
        private void OnShottedTargetEvent(BaseShotTarget target)
        {
            if (curStep == JudgeShotStep.Judge)
            {
                if (target != null)
                {
                    CalculateShootResult((target as SphereShotTarget).defaultColor);
                    SwitchTrainStep(JudgeShotStep.Observe);
                    TotalHitNum++;
                }
                else
                {
                    comboNums = 0;
                    MissHitNum++;
                }
            }
        }
        #endregion
        private void SwitchTrainStep(JudgeShotStep step)
        {
            ResetTarget();
            curStep = step;
            switch (curStep)
            {
                case JudgeShotStep.Observe:
                    ExecuteObserveStepTarget();
                    break;
                case JudgeShotStep.Judge:
                    ExecuteJudgeStepTarget();
                    break;
            }
        }

        private void ExecuteObserveStepTarget()
        {
            generateTargetPos.Clear();
            falseColors.Clear();
            falseColors.AddRange(RandomColors);
            falseColors.FisherYatesShuffle<Color>();

            curTargetColor = falseColors[0];
            falseColors.RemoveAt(0);

            int removeNum = falseColors.Count - generateTargetNum[curGenerateTargetNumIndex % generateTargetNum.Count];

            while (removeNum > 0)
            {
                falseColors.RemoveAt(0);
                removeNum--;
            }

            curTargetDistance = Random.Range(5f, 7f);
            for (int i = 0; i < falseColors.Count; i++)
            {
                GameObject obj = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Prefabs/SphereTarget"));
                SphereShotTarget target = obj.GetComponent<SphereShotTarget>();
                curTargets.Add(target);

                target.onClickCanChangeColor = false;
                target.onHoveringCanChangeColor = false;
                target.defaultColor = falseColors[i];

                Vector3 pos = RandomPosition();
                generateTargetPos.Add(pos);

                target.Init(1, ReduceHealthTriggerType.None, false, ReduceHealthType.Per, MotionType.None, pos);

                target.IsRunning = true;
            }

            curGenerateTargetNumIndex++;

            m_ObserveTimer = TimerSystem.GetInstance().AddTimeTask(ObserveTimeOut, m_DifficultyData.observeTime);
        }

        private void ExecuteJudgeStepTarget()
        {
            StartBestHitTimer();

            //falseColors.FisherYatesShuffle<Color>();
            int index = Random.Range(0, falseColors.Count);
            for (int i = 0; i < falseColors.Count; i++)
            {
                GameObject obj = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Prefabs/SphereTarget"));
                SphereShotTarget target = obj.GetComponent<SphereShotTarget>();
                curTargets.Add(target);
                target.IsRunning = true;

                target.onClickCanChangeColor = false;
                target.onHoveringCanChangeColor = false;
                target.defaultColor = i == index ? curTargetColor : falseColors[i];

                target.Init(1, ReduceHealthTriggerType.OnClick, false, ReduceHealthType.Per, MotionType.None, generateTargetPos[i]);
            }
        }

        private void ObserveTimeOut()
        {
            ResetTarget();
            m_IntervalTimer = TimerSystem.GetInstance().AddTimeTask(IntervalTimerTimeOut, 0.5f);
        }

        private void IntervalTimerTimeOut()
        {
            curObaserveFinishTime = m_TaskTimer.remainingTime;
            SwitchTrainStep(JudgeShotStep.Judge);
        }

        private void CalculateShootResult(Color color)
        {
            bool validity = curTargetColor == color;
            if (validity)
            {
                validityDecisionNums++;

                int comboS = Mathf.CeilToInt(m_ScoreData.doubleWheelBaseScore * comboNums * m_ScoreData.comboMul);
                int bestS = m_IsBestHit ? Mathf.CeilToInt(m_ScoreData.doubleWheelBaseScore * m_ScoreData.bestHitMul) : 0;
                IncreaseScore(m_ScoreData.doubleWheelBaseScore + comboS + bestS);

                comboNums++;
            }
            else
            {
                invalidDecisionNums++;

                comboNums = 0;
                int falsePunitiveS = Mathf.CeilToInt(m_ScoreData.doubleWheelBaseScore * m_ScoreData.doubleWheelFalsePunitiveMul);
                IncreaseScore(falsePunitiveS * -1);
            }
            totalReactionTime += (curObaserveFinishTime - m_TaskTimer.remainingTime);
        }
        private Vector3 RandomPosition()
        {
            List<Vector3> positions = curTargets.GetGameObjectWorldPosition<SphereShotTarget>();
            Vector2 widthLimt = new Vector2(-4, 4);
            Vector2 heightLimt = new Vector2(-1.5f, 1.5f);
            Vector3 min = ExtraTool.GetScreenOffsetPosition(ExtraTool.Sphere_Diameter1_ScreenLeftBottomOffset, curTargetDistance, widthLimt, heightLimt);
            Vector3 max = ExtraTool.GetScreenOffsetPosition(ExtraTool.Sphere_Diameter1_ScreenRightTopOffset, curTargetDistance, widthLimt, heightLimt);
            if (ExtraTool.TryGetNonOverlapRamdonPos(positions, min, max, 1, out Vector3 ramdonPos, false))
            {
                return ramdonPos;
            }
            else
            {
                return new Vector3(0, 0, curTargetDistance);
            }
        }

        private void ResetTarget()
        {
            for (int i = 0; i < curTargets.Count; i++)
            {
                curTargets[i].IsRunning = false;
                GameObject.Destroy(curTargets[i].gameObject);
            }
            curTargets.Clear();
        }
    }
}