using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityStandardAssets.ImageEffects;
using DG.Tweening;
using UnityEngine.UI;
/* 野狼关卡-单人模式 */
public class WolfHuntGameMode : ChallengeGameMode
{
    public WolfHuntGameMode(GameMgr gameMgr) : base(gameMgr) {
        this.animalTypeID = 2;
        animalPrefab = animalsBaseT.Find("Wolf").gameObject;
        this.time = 18000;
        this.arrowCount = 10000;
        // this.SetLevel(5);
        // gameMgr.transform.Find("HunterGameView").gameObject.SetActive(true);
        BanBowReady();
    }

    public override void Start() {
        UnbanBowReady();
        GameMgr.ins.transform.Find("WolfActGrid").gameObject.SetActive(true);
        if (nextLevel != null) {
            SetLevel(int.Parse(nextLevel));
            AddHuntGameView();
        } else {
            AddSelectLevelView();
        }
    }

    //动物的创建列表（数组元素表示动物颜色样式）
    int[] animalCreateList;
    //动物创建列表的当前索引值
    int animalCreateIndex = 0;

    //设置关卡级别
    public override void SetLevel(int level) {
        currentlevel = level;
        if (level == 1) {
            animalCreateList = new int[]{1, 1};
        }
        else if (level == 2) {
            animalCreateList = new int[]{1, 1, 1, 1};
        }
        else if (level == 3) {
            animalCreateList = new int[]{2, 2};
        }
        else if (level == 4) {
            animalCreateList = new int[]{1, 1, 2, 2};
        }
        else if (level == 5) {
            animalCreateList = new int[]{1, 1, 1, 1, 2, 2, 2, 2};
        }
        if (animalCreateList != null) animalCountMax = animalCount = animalCreateList.Length;
        canStartCreateAniaml = true;
    }

    float baseCreateDistance = 25;
    // float baseCreateDistance = 15;
    float plusCreateDistance = 0;
    public bool banCreateAnimal = false;
    void CreateAnimal() {
        if (banCreateAnimal) return;
        if (animalCreateIndex >= animalCreateList.Length) return;
        int animalStyleID = animalCreateList[animalCreateIndex++];

        //计算初始生成位置，后面的兔子生成越来越远，在标准方向的±30°内生成
        #region 
            float createDistance = baseCreateDistance;
            baseCreateDistance += plusCreateDistance;
            Vector3 standardPointer = animalsBaseT.forward;
            Vector3 displace = standardPointer * createDistance;
            displace = Quaternion.AngleAxis(Random.Range(-14f, 14f), Vector3.up) * displace;
            Vector3 newPos = animalsBaseT.position + displace;
        #endregion

        GameObject animalObject = GameObject.Instantiate(animalPrefab, newPos, Quaternion.identity, animalsBaseT);
        animalObject.SetActive(true);

        Wolf wolf = animalObject.GetComponent<Wolf>();

        WolfActGrid.ins.areaMatrix.occupyPos(newPos, wolf);
        wolf.transform.position = newPos;

        wolf.hp = animalStyleID == 1 ? 5 : 8;
        wolf.onlineHandler.uid = animalCreateIndex + 1;
        wolf.ChangeColorByType(animalStyleID);
        wolf.RotateByWorldY(Random.value * 360);
        wolf.onDie += delegate(Wolf wf) {
            animalCount--;
            animalSet.Remove(wf);
            CreateAnimalIgnoreAndClearCountDown();
        };
        wolf.onAttack += OnAttacked;
        animalSet.Add(wolf);
    }

    bool canStartCreateAniaml = false; //等选完关卡才能开始倒计时
    float createAnimalCountDown = 0; //生产动物的倒计时
    float createAnimalCountDownDefault = 30;
    public override void Update()
    {
        base.Update();
        CheckAutoCreateAnimalByUpdate(Time.deltaTime);
    }
    public void CheckAutoCreateAnimalByUpdate(float dt) {
        //固定时间间隔生成一头狼
        if (!gameMgr.gameOver && canStartCreateAniaml) {
            createAnimalCountDown -= dt;
            if (createAnimalCountDown <= 0) {
                createAnimalCountDown = createAnimalCountDownDefault;
                CreateAnimal();
            }
        }
    }
    //当动物死亡后，如果场上没有活着的动物，就立即生成一头狼，并清空生产动物的倒计时
    void CreateAnimalIgnoreAndClearCountDown() {
        if (animalSet.Count == 0) {
            createAnimalCountDown = createAnimalCountDownDefault;
            CreateAnimal();
        }
    }

    public int hp = 20;
    public int hpMax = 20;
    public System.Action onHpZero;
    public System.Action onHurtEffect;
    public void OnAttacked(Wolf wolf, int hurtValue) {
        if (hp <= 0) return;

        //看下是否满足受伤距离
        Vector3 p1 = wolf.transform.position;
        Vector3 p2 = hunterT.position;
        p1.y = p2.y = 0;
        float distance = Vector3.Distance(p1, p2);
        if (distance > 3) return;

        hp -= hurtValue;
        AudioMgr.ins.PlayAnimalEffect("man_injured", AudioMgr.GetAudioSource(this.gameMgr.gameObject));
        DoTweenHurt();
        onHurtEffect?.Invoke();
        if (hp <= 0) {
            hp = 0;
            if (onHpZero == null) {
                Sequence cb = DOTween.Sequence();
                cb.AppendInterval(1f);
                cb.AppendCallback(AnnounceGameOver);
            } else {
                onHpZero.Invoke();
            }
        }
    }

    Sequence hurtSeq = null;
    float hurtTweenV1 = 0;
    public void DoTweenHurt() {
        GameObject screenInjuredObject = this.gameMgr.transform.Find("ScreenInjured").gameObject;
        Image screenInjuredImage = screenInjuredObject.GetComponentInChildren<Image>();
        Color screenInjuredColor = new Color(1, 75f/255f, 75f/255f, 0);
        Blur blur = BowCamera.ins.transform.GetComponent<Blur>();
        if (hurtSeq != null) {
            if (hurtSeq.IsActive()) {
                hurtSeq.Complete();
            }
            hurtSeq = null;
        }
        hurtSeq = DOTween.Sequence();
        hurtSeq.AppendCallback(delegate() {
            hurtTweenV1 = 0;
            screenInjuredObject.SetActive(true);
            screenInjuredImage.color = screenInjuredColor;
            blur.enabled = true;
            blur.iterations = 0;
        });
        Tween toMax = DOTween.To(() => hurtTweenV1, value => {
            hurtTweenV1 = value;
            blur.iterations = Mathf.CeilToInt(hurtTweenV1 * 3f);
            screenInjuredColor.a = hurtTweenV1;
            screenInjuredImage.color = screenInjuredColor;
        }, 1f, 0.6f);
        hurtSeq.Append(toMax);
        Tween toMin = DOTween.To(() => hurtTweenV1, value => {
            hurtTweenV1 = value;
            blur.iterations = Mathf.CeilToInt(hurtTweenV1 * 3f);
            screenInjuredColor.a = hurtTweenV1;
            screenInjuredImage.color = screenInjuredColor;
        }, 0f, 0.6f);
        hurtSeq.Append(toMin);
        hurtSeq.AppendCallback(delegate() {
            hurtTweenV1 = 0;
            screenInjuredObject.SetActive(false);
            blur.enabled = false;
        });
        hurtSeq.SetUpdate(true);
    }

    public void QuicklyCreateAnimalForDebug() {
        baseCreateDistance = 15;
        createAnimalCountDownDefault = 10;
    }
}