using ShotSimulator.Screen;
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;

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

        private TimeTask m_ObserveTimer;

        private SpiderShotTrainDifficultyData m_DifficultyData;
        private SpiderShotTrainScoreData m_ScoreData;

        private int roundIndex;

        private Dictionary<DifficultyType, List<Vector2>> m_SpiderPosDictionary = new Dictionary<DifficultyType, List<Vector2>>()
        {
            {
                DifficultyType.Standard,new List<Vector2>()
                {
                    new Vector2(0, 0f),
                    new Vector2(-1.75f, 1.25f), new Vector2(-2.5f, 0.5f), new Vector2(-2f, -0.5f),new Vector2(-1.25f, -1f),
                    new Vector2(1.75f, 1.25f), new Vector2(2.5f, 0.5f), new Vector2(2f, -0.5f),new Vector2(1.25f, -1f)
                }
            },
            {
                DifficultyType.Advance,new List<Vector2>()
                {   
                    new Vector2(0, 0f),
                    new Vector2(-3.25f, 2f), new Vector2(-4.25f, 1f), new Vector2(-4f, -0.75f),new Vector2(-2.25f, -1.5f),
                    new Vector2(3.25f, 2f), new Vector2(4.25f, 1f), new Vector2(4f, -0.75f),new Vector2(2.25f, -1.5f)
                }
            },
            {
                DifficultyType.Professional,new List<Vector2>()
                {
                    new Vector2(0, 0f),
                    new Vector2(-5f, 3.25f), new Vector2(-6.5f, 1.5f), new Vector2(-6f, -1f),new Vector2(-3.25f, -1.5f),
                    new Vector2(5f, 3.25f), new Vector2(6.5f, 1.5f), new Vector2(6f, -1f),new Vector2(3.25f, -1.5f)
                }
            },
        };

        private Dictionary<DifficultyType, List<Vector3>> m_SpiderObjTransform = new Dictionary<DifficultyType, List<Vector3>>()
        {
            { DifficultyType.Standard, new List<Vector3>(){ new Vector3(0,0.5f,6f), new Vector3(2,1,1) } },
            { DifficultyType.Advance, new List<Vector3>(){ new Vector3(0,1.75f,11f), new Vector3(3.5f,1.75f,1) } },
            { DifficultyType.Professional, new List<Vector3>(){ new Vector3(0,3,16.5f), new Vector3(7,2.25f,1) } }
        };

        private GameObject spiderObj;

        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();
            }
        }
        private double totalTargetNum;

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

            m_DifficultyData = info.GetDifficultyData<SpiderShotTrainDifficultyData>(m_DifficultyType);
            m_ScoreData = info.GetScoreData<SpiderShotTrainScoreData>(m_DifficultyType);
        }

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

            roundIndex = -1;

            m_TotalHitNum = 0;
            m_MissHitNum = 0;
            totalTargetNum = 0;

            TimerSystem.GetInstance().RemoveTimeTask(m_ObserveTimer);
            m_ObserveTimer = null;
            GameObject.Destroy(spiderObj);
        }

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

            spiderObj = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Prefabs/SpiderObj"));
            spiderObj.transform.GetChild(0).transform.localPosition = m_SpiderObjTransform[DifficultyType.Standard][0];
            spiderObj.transform.GetChild(0).transform.localScale = m_SpiderObjTransform[DifficultyType.Standard][1];
        }

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

            GenerateShotTarget();
        }

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

            if (m_ObserveTimer != null)
            {
                m_ObserveTimer.pause = true;
            }
        }
        public override void ContinueTrain()
        {
            base.ContinueTrain();

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

        public override void CalculateTrainResult()
        {
            SetResultMetricsDataValue(MetricsType.Kill_Sec, Math.Round(TotalHitNum / TrainInfo.duration, 2));
            SetResultMetricsDataValue(MetricsType.Target, totalTargetNum);
            SetResultMetricsDataValue(MetricsType.TimeToKill, Math.Round(TrainInfo.duration / TotalHitNum, 2));
            SetResultMetricsDataValue(MetricsType.ShotsPerKill, Math.Round((TotalHitNum + MissHitNum) / TotalHitNum, 2));
        }
        #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)
            {
                int baseS = roundIndex % 3 == 1 ? m_ScoreData.firstBaseScore : m_ScoreData.secondBaseScore;
                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++;

                TotalHitNum++;

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

                DestroyShootTarget(target as SphereShotTarget);
                GenerateShotTarget();
            }
            else
            {
                MissHitNum++;

                comboNums = 0;
                int baseS = roundIndex % 3 == 1 ? m_ScoreData.firstBaseScore : m_ScoreData.secondBaseScore;
                int missPunitiveS = Mathf.CeilToInt(baseS * m_ScoreData.missPunitiveMul);
                IncreaseScore(missPunitiveS * -1);
            }
        }
        #endregion

        private void GenerateShotTarget()
        {
            roundIndex++;

            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();
            Vector3 pos = RandomPosition();
            pos.z = m_DifficultyData.distance;
            curTarget.Init(1, ReduceHealthTriggerType.OnClick, false, ReduceHealthType.Per, MotionType.None, pos);
            curTarget.IsRunning = true;

            if(roundIndex % 3 != 1)
            {
                m_ObserveTimer = TimerSystem.GetInstance().AddTimeTask(ObserveTimerTimeOut, m_DifficultyData.duration);
            }

            totalTargetNum++;

            StartBestHitTimer();
        }

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

        private void ObserveTimerTimeOut()
        {
            comboNums = 0;
            int baseS = roundIndex % 3 == 1 ? m_ScoreData.firstBaseScore : m_ScoreData.secondBaseScore;
            int missPunitiveS = Mathf.CeilToInt(baseS * m_ScoreData.timeOutPunitiveMul) + Random.Range(-3, 3);
            IncreaseScore(missPunitiveS * -1);

            m_ObserveTimer = null;

            DestroyShootTarget(curTarget as SphereShotTarget);
            GenerateShotTarget();
        }

        private Vector2 RandomPosition()
        {
            int round = roundIndex % 4;
            switch (round)
            {
                case 0:
                case 2:
                    return m_SpiderPosDictionary[m_DifficultyType][0];
                case 1:
                    return m_SpiderPosDictionary[m_DifficultyType][Random.Range(1, 5)];
                case 3:
                    return m_SpiderPosDictionary[m_DifficultyType][Random.Range(5, 9)];
            }
            return Vector3.zero;
        }

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