using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System;

/// <summary>
/// 新手引导UI脚本
/// </summary>
public class GuidePanel : MonoBehaviour
{
    GameObject tipsUI;//显示文字的UI
    CharForeach charForeach;//动态显示文字

    GuideCtrl m_Ctrl;//控制类

    /// <summary>
    /// 遮罩对象
    /// </summary>
    private RectGuidance maskObj;

    private RectTransform image_Rim_Rect;//边框
    private RectTransform image_Tip_Rect;//可以移动的提示框
    private Text text_Tip;//可以移动的提示框文字

    private Image image_SkillRim;//技能释放区域
    Vector2 rimOffset = new Vector2(30, 30);//边框要比按钮大一些

    Image tmpMask;//自身的遮罩

    ImageFire1 fire1;
    ImageFire2 fire2;//两个用来合成的火元素

    ImageWater water1;

    ImageSkill skill;

    ImageTowerPos towerPos;//塔位标识
    ImageTowerPos2 towerPos2;//塔位标识

    GameObject towerBuyBtn;//购买宝石按钮

    Image backgroundImg;//用来接受空白点击事件的图片

    /// <summary>
    /// 关闭所有UI
    /// </summary>
    public void CleanMask()
    {
        CloseMask();
        SetRimActive(false);
        image_SkillRim.gameObject.SetActive(false);

    }

    // Start is called before the first frame update
    void Awake()
    {
        tmpMask = GetComponent<Image>();
        tmpMask.enabled = false;
        backgroundImg = transform.Find("Button").GetComponent<Image>();

        towerBuyBtn = GameObject.Find("MainUI/TowerBuyBtn");
        tipsUI = transform.Find("Tips").gameObject;
        tipsUI.transform.SetAsLastSibling();//把tips放在最下面

        charForeach = tipsUI.GetComponent<CharForeach>();
        m_Ctrl = transform.GetComponent<GuideCtrl>();
        transform.Find("Button").GetComponent<Button>().onClick.AddListener(m_Ctrl.OnFinishOneStep);
        GameObject go = Instantiate(Resources.Load<GameObject>("GuideFile/RectGuidance_Panel"), this.transform);
        if (go != null)
        {
            go.transform.SetSiblingIndex(1);
            maskObj = go.GetComponent<RectGuidance>();
            maskObj.gameObject.SetActive(false);
        }
        else
        {
            Debug.LogError("遮罩生成失败了");
        }

        image_Rim_Rect = transform.Find("Image_Rim").GetComponent<RectTransform>();
        image_Tip_Rect = transform.Find("Image_Tip").GetComponent<RectTransform>();
        text_Tip = image_Tip_Rect.transform.Find("Text").GetComponent<Text>();
        image_SkillRim = transform.Find("Image_SkillRim").GetComponent<Image>();

        SetRimActive(false);
        image_SkillRim.gameObject.SetActive(false);

        fire1 = transform.Find("Image_Fire1").GetComponent<ImageFire1>();
        fire2 = transform.Find("Image_Fire2").GetComponent<ImageFire2>();

        fire1.gameObject.SetActive(false);
        fire2.gameObject.SetActive(false);

        towerPos = transform.Find("Image_TowerPos").GetComponent<ImageTowerPos>();
        towerPos.enabled = false;

        towerPos2 = transform.Find("Image_TowerPos2").GetComponent<ImageTowerPos2>();
        towerPos2.enabled = false;

        water1 = transform.Find("Image_Water").GetComponent<ImageWater>();
        water1.gameObject.SetActive(false);

        skill = transform.Find("Image_Skill").GetComponent<ImageSkill>();
        skill.gameObject.SetActive(false);
    }

    /// <summary>
    /// 设置引导框
    /// </summary>
    /// <param name="active"></param>
    public void SetGuideUI(bool active)
    {
        if (backgroundImg.enabled != active)
            backgroundImg.enabled = active;
        if (tipsUI.activeSelf != active)
            tipsUI.SetActive(active);
    }

    //开始打印文字
    public void StartShowWord(string str, Action cb)
    {
        charForeach.StartShowWord(str, cb);
    }

    /// <summary>
    /// 立刻完成打印
    /// </summary>
    public void ShowWordImmediately()
    {
        charForeach.ShowWordImmediately();
    }

    /// <summary>
    /// 第二步，购买宝石
    /// </summary>
    /// <param name="str"></param>
    /// <param name="currentIndex">当前第几步</param>
    public void Step1(string str, int currentIndex, Action ac)
    {

        if (currentIndex == 0)
        {
            backgroundImg.raycastTarget = false;
            SetRimActive(true);
            AddButtonListener(towerBuyBtn, ac);
            Image btnImg = towerBuyBtn.GetComponent<Image>();
            InitRectGuidance(btnImg, 189, 73.5f);
            SetRimPos(towerBuyBtn);
            maskObj.ShowImmediately();

        }
        else if (currentIndex == 1)
        {
            RemoveButtonListener(towerBuyBtn);
            AddButtonListener(towerBuyBtn, ac);
        }
        text_Tip.text = str;//动态改变长度
        StartCoroutine(ShowRimTip(str));

    }

    public void Step1_1()
    {
        if (!fire1.gameObject.activeSelf)
        {
            fire1.gameObject.SetActive(true);
            fire1.transform.Find("Image_2").gameObject.SetActive(false);
            fire1.enabled = false;
        }
    }
    public void Step1_2()
    {
        fire2.gameObject.SetActive(true);
        fire2.enabled = false;
        DestoryButtonListener(towerBuyBtn);
        //RemoveButtonListener(towerBuyBtn);
    }

    /// <summary>
    /// 第三步，关闭其余遮罩，打开大Tips
    /// </summary>
    /// <param name="currentIndex"></param>
    public void Step2(int currentIndex)
    {
        backgroundImg.raycastTarget = true;
        //RemoveButtonListener(towerBuyBtn);
        SetRimActive(false);
        CloseMask();
    }

    /// <summary>
    /// 第四步，合成宝石
    /// </summary>
    public void Step3(int currentIndex, string str)
    {
        if (currentIndex == 0)
        {
            tmpMask.enabled = true;

            SetGuideUI(false);

            SetRimPos(fire2.gameObject);
            fire1.enabled = true;
            fire2.enabled = true;
            StartCoroutine(ShowRimTip(str));
        }
    }

    //移动方框，提示玩家进行合成
    public void Step3_2(string str)
    {
        SetRimPos(fire1.gameObject);
        StartCoroutine(ShowRimTip(str));
    }

    /// <summary>
    /// 第五步，拖动造塔
    /// </summary>
    public void Step4(int currentIndex, string str)
    {
        if (currentIndex == 0)
        {
            tmpMask.enabled = false;

            SetRimActive(true);
            Image btnImg = transform.Find("Image_TowerPos").GetComponent<Image>();
            towerPos.enabled = true;
            InitRectGuidance(btnImg, 75, 80);
            SetRimPos(btnImg.gameObject);
            maskObj.ShowImmediately();
            StartCoroutine(ShowRimTip(str));
        }
    }

    /// <summary>
    /// 第六步，拖动造塔
    /// </summary>
    public void Step5(int currentIndex, string str)
    {
        if (currentIndex == -1)
        {
            CloseMask();
            SetRimActive(false);

        }
    }

    /// <summary>
    /// 第七步，解锁新塔位
    /// </summary>
    public void Step7(int currentIndex, string str)
    {
        if (currentIndex == 0)
        {
            SetRimActive(true);
            //设置位置
            GameObject go = transform.Find("Image_TowerPos2").gameObject;

            Image btnImg = go.GetComponent<Image>();
            btnImg.raycastTarget=false;
            InitRectGuidance(btnImg, 75, 80);
            SetRimPos(go);
            maskObj.ShowImmediately();
            StartCoroutine(ShowRimTip(str));
        }
    }

    //介绍水元素
    public void Step8()
    {
        SetGuideUI(true);
        SetRimActive(false);
        CloseMask();
    }


    /// <summary>
    /// 第九步，
    /// </summary>
    /// <param name="str"></param>
    /// <param name="currentIndex">当前第几步</param>
    public void Step9(string str, int currentIndex, Action ac)
    {
        if (currentIndex == 0)
        {

            SetRimActive(true);
            //设置位置
            AddButtonListener(towerBuyBtn, ac);

            Image btnImg = towerBuyBtn.GetComponent<Image>();
            InitRectGuidance(btnImg, 189, 73.5f);
            SetRimPos(towerBuyBtn);
            maskObj.ShowImmediately();
        }
        else if (currentIndex == 1)
        {
            GameObject go = transform.Find("Image_TowerPos2").gameObject;
            Image btnImg = go.GetComponent<Image>();
            btnImg.raycastTarget=true;
            InitRectGuidance(btnImg, 75, 80);
            SetRimPos(go);
            maskObj.ShowImmediately();
        }

        StartCoroutine(ShowRimTip(str));
    }

    public void Step9_1()
    {
        water1.gameObject.SetActive(true);
        towerPos2.enabled = true;
        DestoryButtonListener(towerBuyBtn);
    }


    //生成一个技能宝石
    public void Step10()
    {
        //SetGuideUI(false);

        image_SkillRim.gameObject.SetActive(true);

        skill.gameObject.SetActive(true);
    }

    /// <summary>
    /// 第12步，引导释放技能
    /// </summary>
    public void Step11(int currentIndex, string str)
    {
        if (currentIndex == 0)
        {
            tmpMask.enabled = true;

            SetGuideUI(false);
            SetRimActive(true);
            SetRimPos(skill.gameObject);
            StartCoroutine(ShowRimTip(str));
        }
        else if (currentIndex == 1)
        {
            SetRimPos(image_SkillRim.gameObject);
            StartCoroutine(ShowRimTip(str));
        }
    }


    public void Step12()
    {
        image_SkillRim.gameObject.SetActive(false);
        tmpMask.enabled = false;

        SetGuideUI(true);
        SetRimActive(false);
    }

    #region 按钮以及提示


    public void SetRimActive(bool isOn)
    {
        if (image_Rim_Rect.gameObject.activeSelf != isOn)
        {
            image_Rim_Rect.gameObject.SetActive(isOn);
            image_Tip_Rect.gameObject.SetActive(isOn);
        }
    }
    /// <summary>
    /// 设置边框的大小和位置
    /// </summary>
    /// <param name="target"></param>
    private void SetRimPos(GameObject target, bool changeTipPos = true)
    {
        SetRimActive(true);
        RectTransform rt = target.GetComponent<RectTransform>();
        image_Rim_Rect.anchoredPosition = rt.anchoredPosition;
        image_Rim_Rect.sizeDelta = (rt.sizeDelta * rt.localScale) + rimOffset;
        if (changeTipPos)
            image_Tip_Rect.anchoredPosition = new Vector2(image_Rim_Rect.anchoredPosition.x, image_Rim_Rect.anchoredPosition.y + 74 / 2 + image_Rim_Rect.sizeDelta.y / 2);

    }

    IEnumerator ShowRimTip(string str)
    {
        text_Tip.text = str;//动态改变长度
        yield return 10;
        SetTipRect(str);//动态修改text长度需要等待计算完成
    }
    /// <summary>
    /// 设置显示文字的长度
    /// </summary>
    /// <param name="str"></param>
    private void SetTipRect(string str)
    {
        RectTransform textRect = text_Tip.GetComponent<RectTransform>();
        image_Tip_Rect.sizeDelta = new Vector2(textRect.sizeDelta.x + 64, image_Tip_Rect.sizeDelta.y);
    }

    #endregion

    #region 遮罩，以及按钮添加删除事件



    /// <summary>
    /// 抠出来一个区域
    /// </summary>
    /// <param name="target"></param>
    void InitRectGuidance(Image target, float x, float y)
    {
        if (!maskObj.gameObject.activeSelf)
        {
            maskObj.gameObject.SetActive(true);
        }
        //maskObj.Init(target);
        maskObj.InitForCamera(target, x, y);

    }

    /// <summary>
    /// 关闭遮罩
    /// </summary>
    public void CloseMask()
    {
        maskObj.gameObject.SetActive(false);
    }

    /// <summary>
    /// 给按钮添加事件
    /// </summary>
    private void AddButtonListener(GameObject go, Action ac)
    {
        EventTriggerListener.GetListener(go).onClick += (go1) =>
    {
        ac();
    };

    }

    /// <summary>
    /// 移除事件
    /// </summary>
    /// <param name="go"></param>
    private void RemoveButtonListener(GameObject go)
    {
        EventTriggerListener eventTriggerListener = EventTriggerListener.GetListener(go);

        eventTriggerListener.RemoveListener(go);
    }

    private void DestoryButtonListener(GameObject go)
    {
        EventTriggerListener eventTriggerListener = EventTriggerListener.GetListener(go);

        if (eventTriggerListener != null)
            Destroy(eventTriggerListener);
    }

    #endregion


}