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 PistolSniperTrainHandle : BaseTrainHandle
    {
        private Camera shiperCamera;

        private SphereShotTarget curTarget;

        private PistolSniperTrainInfoDifficultyData m_DifficultyData;
        private PistolSniperTrainScoreData m_ScoreData;

        private TimeTask m_ObserveTimer;

        private int roundIndex;

        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 totalKillNums;
        private double totalTargetNums;

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

            m_DifficultyData = info.GetDifficultyData<PistolSniperTrainInfoDifficultyData>(m_DifficultyType);
            m_ScoreData = info.GetScoreData<PistolSniperTrainScoreData>(m_DifficultyType);

            shiperCamera = Camera.main.transform.Find("SnipeCamera").GetComponent<Camera>();
        }

        private void GenerateShotTarget()
        {
            roundIndex++;
            int round = roundIndex % 2;

            MotionType motionType = MotionType.None;

            Vector3 origin = round == 1 ? new Vector3(0, 0, m_DifficultyData.distance) : RandomPosition();
            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.onHoveringColor = Color.red;
            curTarget.Init(1, ReduceHealthTriggerType.OnClick, false, ReduceHealthType.Per, MotionType.None, origin, null, 1f);
            curTarget.IsRunning = true;

            totalTargetNums++;

            m_ObserveTimer = TimerSystem.GetInstance().AddTimeTask(ObserveTimerTimeOut, 5f);
            StartBestHitTimer();
        }

        private void ObserveTimerTimeOut()
        {
            comboNums = 0;
            int outTimePunitiveS = Mathf.CeilToInt(m_ScoreData.baseScore * m_ScoreData.outTimePunitiveMul) + Random.Range(-3, 3);
            IncreaseScore(outTimePunitiveS * -1);

            m_ObserveTimer = null;

            DestroyShootTarget(curTarget as SphereShotTarget);

            GenerateShotTarget();
        }

        private Vector3 RandomPosition()
        {
            Vector2 widthLimt = Vector2.zero;
            Vector2 heightLimt = Vector2.zero;
            switch (m_DifficultyType)
            {
                case DifficultyType.Standard:
                    widthLimt = new Vector2(-12, 12);
                    heightLimt = new Vector2(-1.5f, 10f);
                    break;
                case DifficultyType.Advance:
                    widthLimt = new Vector2(-12, 12);
                    heightLimt = new Vector2(-1.5f, 12f);
                    break;
                case DifficultyType.Professional:
                    widthLimt = new Vector2(-12, 12);
                    heightLimt = new Vector2(-1.5f, 15f);
                    break;
            }

            Vector2 minOffset = new Vector2(0.4f, 0.4f);
            Vector2 maxOffset = new Vector2(0.6f, 0.6f);

            Vector3 min = ExtraTool.GetScreenOffsetPosition(minOffset, m_DifficultyData.distance, widthLimt, heightLimt);
            Vector3 max = ExtraTool.GetScreenOffsetPosition(maxOffset, m_DifficultyData.distance, widthLimt, heightLimt);

            return ExtraTool.RandomPosition(min, max);
        }

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

        private void DestroyShootTarget(SphereShotTarget target)
        {
            if (target != null)
            {
                target.IsRunning = false;
                GameObject.Destroy(target.gameObject);
            }
        }
        #region TrainResult
        private void UpdatePrecision()
        {
            SetResultMetricsDataValue(MetricsType.Precision, Math.Round(TotalHitNum / (TotalHitNum + MissHitNum), 2));
        }
        #endregion

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

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

            roundIndex = 0;

            m_TotalHitNum = 0;
            m_MissHitNum = 0;

            totalKillNums = 0;
            totalTargetNums = 0;

            shiperCamera.gameObject.SetActive(false);
        }

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

            shiperCamera.gameObject.SetActive(true);
        }

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

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

            curTarget.IsRunning = false;

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

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

            curTarget.IsRunning = true;

            if (m_ObserveTimer != null)
            {
                m_ObserveTimer.pause = false;
            }
        }
        public override void CalculateTrainResult()
        {
            double timeToKill = 999;
            if (totalKillNums != 0)
            {
                timeToKill = Math.Round(TrainInfo.duration / totalKillNums, 2);
            }
            SetResultMetricsDataValue(MetricsType.Kill_Sec, Math.Round(totalKillNums / TrainInfo.duration, 2));
            SetResultMetricsDataValue(MetricsType.KillTotal, totalKillNums);
            SetResultMetricsDataValue(MetricsType.TimeToKill, timeToKill);
            SetResultMetricsDataValue(MetricsType.Target, totalTargetNums);
        }
        #endregion

        #region ShotTarget
        private void OnClickTargetEvent(BaseShotTarget target)
        {
            if (target != null)
            {
                SphereShotTarget t = target as SphereShotTarget;
                if (t != null)
                {
                    int comboS = Mathf.CeilToInt(m_ScoreData.baseScore * comboNums * m_ScoreData.comboMul);
                    int bestS = m_IsBestHit ? Mathf.CeilToInt(m_ScoreData.baseScore * m_ScoreData.bestHitMul) : 0;
                    IncreaseScore(m_ScoreData.baseScore + comboS + bestS);
                    comboNums++;
                    if (t.CurHealth <= 0)
                    {
                        totalKillNums++;

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

                        DestroyShootTarget(t);
                        GenerateShotTarget();
                    }
                }
                TotalHitNum++;
            }
            else
            {
                MissHitNum++;
                comboNums = 0;
                int missPunitiveS = Mathf.CeilToInt(m_ScoreData.baseScore * m_ScoreData.missPunitiveMul);
                IncreaseScore(missPunitiveS * -1);
            }
        }
        #endregion
    }
}