using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System;
/// <summary>
/// 加载动画
/// </summary>
public class UI_LoadingWindow : MonoBehaviour
{
    /// <summary>
    /// 窗体单例
    /// </summary>
    public static UI_LoadingWindow pInit = null;

    /// <summary>
    /// 根节点
    /// </summary>
    private GameObject mRoot = null;

    /// <summary>
    /// 加载场景的图片
    /// </summary>
    private GameObject mLoadScene = null;

    /// <summary>
    /// 加载场景的动圈
    /// </summary>
    private GameObject mLoadPanel = null;



    /// <summary>
    /// loading 圈圈Transform
    /// </summary>
    public Transform mCircularTran = null;

    /// <summary>
    /// loading 圈圈Transform
    /// </summary>
    public Transform mCircularTran2 = null;

    /// <summary>
    /// 进度条
    /// </summary>
    private GameObject mProgressObject = null;

    /// <summary>
    /// 进度条
    /// </summary>
    private Image mProgressSlider = null;

    /// <summary>
    /// 当前正在显示的背景
    /// </summary>
    private Image mCurtBg = null;

    /// <summary>
    /// 底部蓝光背景
    /// </summary>
    private Image mButtomImage = null;

    /// <summary>
    /// 当前正在显示的背景
    /// </summary>
    private GameObject mCurtBgObj = null;

    /// <summary>
    /// 当前进度条跟随点
    /// </summary>
    private GameObject mProgressSliderDot = null;

    /// <summary>
    /// 当前进度条进度文字
    /// </summary>
    private Text mProgressText = null;

    /// <summary>
    /// 场景模式
    /// </summary>
    private bool sceneMode = false;
    /// <summary>
    /// 界面
    /// </summary>
    private bool uiMode = false;

    /// <summary>
    /// 渐隐时间
    /// </summary>
    private float mFadeTime = 1;

    /// <summary>
    /// 起始位置
    /// </summary>
    private float mStart = -850;

    /// <summary>
    /// 终点位置
    /// </summary>
    private float mEnt = 870;

    /// <summary>
    /// 速度
    /// </summary>
    private float mSpeed = 0.1f;
    /// <summary>
    /// 目标进度
    /// </summary>
    private float prog = 0;

    /// <summary>
    /// 当前进度
    /// </summary>
    private float curt = 0;

    private int LoadingWinSmallTipsIndex = 0;

    /// <summary>
    /// 临时用的tips数组
    /// </summary>
    readonly string[] smalltips = new string[] { "小贴士：夜神月触发极限闪避后，大幅降低所有怪物的攻击与移动速度",
            "小贴士：言灵师品阶提升，可以提高各基本属性的成长值",
            "小贴士：更换更为精良的武器，可以提升言灵师的战斗力",
        "小贴士：战斗中灵活使用言灵师的闪避技，躲避敌人攻击",
        "小贴士：卡琳娜的必杀技可以为所有队员回复一定生命值",
        "小贴士：言灵分为左、右、中三派，分别代表攻击、防御和攻守兼备",
        };
    private string mTipContent = "加载场景";
    /// <summary>
    /// 显示tips的变量
    /// </summary>
    private float elips = 0f;

    /// <summary>
    /// 
    /// </summary>
    private Text mTipsText = null;

    /// <summary>
    /// 
    /// </summary>
    private bool isInitFont = false;

    /// <summary>
    /// 获取单键
    /// </summary>
    /// <returns>单键实例</returns>
    public static UI_LoadingWindow Instance()
    {
        return pInit;
    }

    /// <summary>
    /// 初始化
    /// </summary>
    private void Awake()
    {
        pInit = this;

        // 初始化
        mRoot = transform.Find("Root").gameObject;
        mLoadScene = transform.Find("Root/LoadScene").gameObject;
        mLoadPanel = transform.Find("Root/LoadPanel").gameObject;

        mProgressObject = transform.Find("Root/LoadScene/ProgressSlider").gameObject;
        mProgressSliderDot = transform.Find("Root/LoadScene/ProgressSlider/ProgressText").gameObject;
        mProgressSliderDot.transform.localPosition = new Vector3(mStart, 86, 0);

        mCircularTran = transform.Find("Root/LoadPanel/cricle");
        mCircularTran2 = transform.Find("Root/LoadPanel/cricle (1)");

        mLoadScene.SetActive(false);
        mLoadPanel.SetActive(false);
        elips = 2.5f;
        DontDestroyOnLoad(gameObject);
    }
    /// <summary>
    /// 设置 UI 的字体
    /// </summary>
    /// <param name="uiObj"> UI对象 </param>
    public void SetFont(GameObject uiObj)
    {
        if (null == uiObj)
        {
            Debug.LogError("PanelHelper 设置字体，UI 为空，中断");
            return;
        }

        // 获取所有的 Text
        Text[] allText = uiObj.GetComponentsInChildren<Text>(true);

        // 设置字体
        for (int i = 0; i < allText.Length; i++)
        {
            allText[i].font = FontManager.Instance().CurFont;
            allText[i].fontStyle = FontStyle.Normal;
        }
    }
    /// <summary>
    /// 更新百分比
    /// </summary>
    /// <param name="progress"></param>
    /// <param name="speedCorrect">速度修正</param>
    public void SetProgress(int progress, string content = "")
    {
        if (!isInitFont)
        {
            SetFont(this.gameObject);
        }

        if (sceneMode)
        {
            this.prog = progress * 1.0f / 100;
        }
    }
    /// <summary>
    /// 叠加百分比
    /// </summary>
    /// <param name="progress"></param>
    /// <param name="speedCorrect">速度修正</param>
    public void SetAddProgress(int progress)
    {
        if (!isInitFont)
        {
            SetFont(this.gameObject);
        }

        if (sceneMode)
        {
            float newPrg = this.prog + progress * 1.0f / 100;

            if (newPrg >= 1)
            {
                this.prog = 1;
            }
            else
            {
                this.prog = newPrg;
            }
        }
    }
    /// <summary>
    /// 自动持续时间
    /// </summary>
    /// <param name="_continueTime"></param>
    public void SetAutoProgress(float _continueTime, Action ac)
    {
        Debug.LogError(Time.realtimeSinceStartup);

        if (_continueTime <= 0)
        {
            this.isAuto = false;
            this.curt = 1;
            this.prog = 1;
        }
        else
        {
            this.isAutoOverAction = ac;
            this.isAuto = true;
            this.curt = 0;
            this.prog = 1;
            this.mSpeed = 1 / (_continueTime / Time.deltaTime);
        }

    }
    private Action isAutoOverAction;
    private bool isAuto = false;
    /// <summary>
    /// 更新
    /// </summary>
    private void Update()
    {
        if (this.isAuto)
        {
            this.curt += this.mSpeed;
            Debug.Log(this.curt);
            if (this.curt >= 0.95)
            {
                this.curt = 1;
                this.isAuto = false;

                if (this.isAutoOverAction != null)
                {
                    this.isAutoOverAction.Invoke();
                }
            }
        }

        // 场景模式(带Loading图)
        if (sceneMode)
        {
            this.curt = Mathf.Lerp(this.curt, this.prog, prog < curt || prog >= 1 ? 1 : mSpeed);

            mProgressSlider.fillAmount = this.curt;
            mProgressText.text = (int)(this.curt * 100) + "%";
            mProgressSliderDot.transform.localPosition = new Vector3(Mathf.Lerp(mStart, mEnt, this.curt), 86, 0);
            //mTipsText.text = this.mTipContent;

            elips += Time.deltaTime;

            if (elips > 2.5f)
            {
                // 每隔1秒更新tips
                elips = 0f;
                LoadingWinSmallTipsIndex++;
                if (LoadingWinSmallTipsIndex >= smalltips.Length)
                {
                    LoadingWinSmallTipsIndex = 0;
                }
                mTipsText.text = smalltips[LoadingWinSmallTipsIndex];
                SetAddProgress(2);
            }
        }

        // UI模式(带小加载圈)
        if (uiMode)
        {
            mCircularTran.Rotate(-Vector3.forward * Time.deltaTime * 360);
            mCircularTran2.Rotate(Vector3.forward * Time.deltaTime * 360);
        }
    }
    /// <summary>
    /// 显示
    /// </summary>
    /// <param name="_type">0=透明背景动画（场景） 1=无背景转圈（窗体） 2=背景动画（战斗）</param>
    public void Show(int _type = 2)
    {
        switch (_type)
        {
            case 0:

                break;
            case 1:
                uiMode = true;
                this.mLoadPanel.SetActive(true);
                break;

            case 2:
                sceneMode = true;
                this.mProgressObject.SetActive(true);
                // 显示背景
                int mBgIndex = UnityEngine.Random.Range(0, 3);
                this.mCurtBgObj = transform.Find("Root/LoadScene/BgLst/Image" + mBgIndex).gameObject;
                this.mCurtBgObj.SetActive(true);
                this.mCurtBgObj.GetComponent<Image>().CrossFadeAlpha(1, mFadeTime, true);
                this.mLoadScene.SetActive(true);

                this.InitProgress();
                if (this.mTipsText == null)
                {
                    this.mTipsText = transform.Find("Root/LoadScene/TextTip").gameObject.GetComponent<Text>();
                    this.mTipsText.text = "0%";
                }

                this.mButtomImage = transform.Find("Root/LoadScene/ButtomImage").gameObject.GetComponent<Image>();
                this.mButtomImage.CrossFadeAlpha(1, mFadeTime, true);

                //mTipsText.text = smalltips[LocalSettings.LoadingWinSmallTipsIndex];
                break;
        }

        if (!isInitFont)
        {
            SetFont(this.gameObject);
        }
    }

    /// <summary>
    /// 
    /// </summary>
    private void InitProgress()
    {
        if (this.mProgressSlider == null)
        {
            this.mProgressSlider = transform.Find("Root/LoadScene/ProgressSlider/ImageProgress").gameObject.GetComponent<Image>();

        }
        mProgressSlider.fillAmount = 0;
        if (this.mProgressText == null)
        {
            this.mProgressText = transform.Find("Root/LoadScene/ProgressSlider/ProgressText/Text").gameObject.GetComponent<Text>();

        }
        this.mProgressText.text = "0%";

    }

    /// <summary>
    /// 隐藏
    /// </summary>
    public void Hide(int type = 2)
    {
        switch (type)
        {
            case 1:
                uiMode = false;
                this.mLoadPanel.SetActive(false);
                break;

            case 2:
                if (this.mProgressSlider != null)
                {
                    sceneMode = false;
                    this.mLoadScene.SetActive(false);
                    this.curt = 0;
                    this.prog = 0;
                    this.mProgressSlider.fillAmount = 0;
                    this.mProgressText.text = "0%";
                    this.mProgressSliderDot.transform.localPosition = new Vector3(mStart, 86, 0);
                    this.mProgressObject.SetActive(false);
                    this.mButtomImage.CrossFadeAlpha(0, mFadeTime, true);

                    if (this.mCurtBgObj != null)
                    {
                        this.mCurtBgObj.GetComponent<Image>().CrossFadeAlpha(0, mFadeTime, true);
                    }
                    this.mTipsText.text = "0%";
                    Invoke("ClosePanel", mFadeTime);
                }
                break;

            case 3:
                if (this.mProgressSlider != null)
                {
                    this.curt = 0;
                    this.prog = 0;
                    this.mProgressSlider.fillAmount = 0;
                    this.mProgressText.text = "0%";
                    this.mProgressSliderDot.transform.localPosition = new Vector3(mStart, 86, 0);
                    this.mProgressObject.SetActive(false);
                    this.mButtomImage.CrossFadeAlpha(0, mFadeTime, true);

                    if (this.mCurtBgObj != null)
                    {
                        this.mCurtBgObj.GetComponent<Image>().CrossFadeAlpha(0, mFadeTime, true);
                    }
                    this.mTipsText.text = "0%";
                    Invoke("ClosePanel", 0.2f);
                }
                break;
        }
    }

    /// <summary>
    /// 
    /// </summary>
    void ClosePanel()
    {
        this.mCurtBgObj.gameObject.SetActive(false);
    }
}