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

namespace ShotSimulator.Train
{
    public class ReactionShotTrainHandle : BaseTrainHandle
    {
        private SphereShotTarget curTarget;

        private TimeTask m_ObserveTimer;
        private TimeTask m_IntervalTimer;

        private bool current_IsFar;

        private ReactionShotTrainDifficultyData m_DifficultyData;
        private ReactionShotTrainScoreData m_ScoreData;

        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();
            }
        }
        protected float totalReactionTime;

        public ReactionShotTrainHandle(BaseTrainCallBack callBack, BaseTrainInfo info, DifficultyType difficultyType) : base(callBack, info, difficultyType)
        {
            SetShotTargetInteractiveEvent(ShotTargetInteractiveType.OnClick, OnShottedTargetEvent);

            m_DifficultyData = info.GetDifficultyData<ReactionShotTrainDifficultyData>(m_DifficultyType);
            m_ScoreData = info.GetScoreData<ReactionShotTrainScoreData>(m_DifficultyType);
        }

        #region Train
        protected override void ResetTrain()
        {
            ResetTarget();

            m_TotalHitNum = 0;
            m_MissHitNum = 0;
            totalReactionTime = 0;

            TimerSystem.GetInstance().RemoveTimeTask(m_ObserveTimer);
            m_ObserveTimer = null;
            TimerSystem.GetInstance().RemoveTimeTask(m_IntervalTimer);
            m_IntervalTimer = null;
        }


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

            GenerateShotTarget();
        }

        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 / (TotalHitNum + MissHitNum), 2));
            SetResultMetricsDataValue(MetricsType.Kill_Sec, Math.Round(TotalHitNum / TrainInfo.duration, 2));
            SetResultMetricsDataValue(MetricsType.KillTotal, TotalHitNum);
        }
        #endregion
        #region TrainResult
        private void UpdatePrecision()
        {
            double totalShot = TotalHitNum + MissHitNum;
            double precision = 0;
            if (totalShot != 0)
            {
                precision = Math.Round(TotalHitNum / totalShot, 2);
            }
            SetResultMetricsDataValue(MetricsType.Precision, precision);
        }
        #endregion
        #region Target
        private void OnShottedTargetEvent(BaseShotTarget target)
        {
            if (target != null)
            {
                TotalHitNum++;

                totalReactionTime += m_ObserveTimer.delay - m_ObserveTimer.remainingTime;

                TimerSystem.GetInstance().RemoveTimeTask(m_ObserveTimer);
                m_ObserveTimer = null;

                DestroyShootTarget(target as SphereShotTarget);

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

                comboNums++;
            }
            else
            {
                MissHitNum++;

                comboNums = 0;
                int baseS = current_IsFar ? m_ScoreData.farBaseScore : m_ScoreData.nearBaseScore;
                int missPunitiveS = Mathf.CeilToInt(baseS * m_ScoreData.missPunitiveMul);
                IncreaseScore(missPunitiveS * -1);
            }
        }
        #endregion

        private void GenerateShotTarget()
        {
            StartBestHitTimer();

            GameObject obj = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Prefabs/SphereTarget"));
            curTarget = obj.GetComponent<SphereShotTarget>();
            curTarget.onClickCanChangeColor = false;
            curTarget.onHoveringCanChangeColor = false;
            curTarget.defaultColor = ScreenEffectManager.GetInstance().GetTargetColor();
            curTarget.Init(1, ReduceHealthTriggerType.OnClick, false, ReduceHealthType.Per, MotionType.None, RandomPosition());
            curTarget.IsRunning = true;

            m_ObserveTimer = TimerSystem.GetInstance().AddTimeTask(ObserveTimerTimeOut, 2.5f);
        }

        private void DestroyShootTarget(SphereShotTarget target)
        {
            if (target != null)
            {
                target.IsRunning = false;
                GameObject.Destroy(target.gameObject);
            }

            m_IntervalTimer = TimerSystem.GetInstance().AddTimeTask(IntervalTimerTimeOut, 2f);
        }

        private void IntervalTimerTimeOut()
        {
            GenerateShotTarget();
        }
        private void ObserveTimerTimeOut()
        {
            comboNums = 0;
            int baseS = current_IsFar ? m_ScoreData.farBaseScore : m_ScoreData.nearBaseScore;
            int missPunitiveS = Mathf.CeilToInt(baseS * m_ScoreData.missPunitiveMul);
            IncreaseScore(missPunitiveS * -1);

            m_ObserveTimer = null;

            totalReactionTime += 2.5f;

            DestroyShootTarget(curTarget as SphereShotTarget);
        }

        private Vector3 RandomPosition()
        {
            current_IsFar = ExtraTool.IsProbabolityInclusive(m_DifficultyData.farProbability);
            Vector2 widthLimt = Vector2.zero;
            Vector2 heightLimt = Vector2.zero;
            if (current_IsFar)
            {
                switch (m_DifficultyType)
                {
                    case DifficultyType.Standard:
                        widthLimt = new Vector2(-8, 8);
                        heightLimt = new Vector2(-1.5f, 3.5f);
                        break;
                    case DifficultyType.Advance:
                        widthLimt = new Vector2(-8, 8);
                        heightLimt = new Vector2(-1.5f, 5f);
                        break;
                    case DifficultyType.Professional:
                        widthLimt = new Vector2(-8, 8);
                        heightLimt = new Vector2(-1.5f, 5f);
                        break;
                }
            }
            else
            {
                widthLimt = new Vector2(-4, 4);
                heightLimt = new Vector2(-1.5f, 1.5f);
            }
            Vector3 min = ExtraTool.GetScreenOffsetPosition(ExtraTool.Sphere_Diameter1_ScreenLeftBottomOffset, current_IsFar ? m_DifficultyData.farDistance : m_DifficultyData.nearDistance, widthLimt, heightLimt);
            Vector3 max = ExtraTool.GetScreenOffsetPosition(ExtraTool.Sphere_Diameter1_ScreenRightTopOffset, current_IsFar ? m_DifficultyData.farDistance : m_DifficultyData.nearDistance, widthLimt, heightLimt);

            return ExtraTool.RandomPosition(min, max);
        }

        private void ResetTarget()
        {
            if (curTarget != null)
            {
                curTarget.IsRunning = false;
                GameObject.Destroy(curTarget.gameObject);
                curTarget = null;
            }
        }
    }
}