using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using System;
using Newtonsoft.Json;
using System.Text;
using System.IO;
using UnityEngine.Networking;
using Newtonsoft.Json.Linq;
using YLSJ;

/// <summary>
/// 游戏启动器
/// </summary>
public class Launcher : MonoBehaviour
{
    /// <summary>
    /// Panel
    /// </summary>
    private GameObject mPanel = null;

    /// <summary>
    /// 显示百分比的文本框
    /// </summary>
    private Text mProgressText = null;

    /// <summary>
    /// 更新进度条
    /// </summary>
    private Slider mUpdateSlider = null;

    /// <summary>
    /// 显示提示的
    /// </summary>
    private Text mTipsText = null;

    /// <summary>
    /// 更新标题
    /// </summary>
    private Text mUpdateTitleText = null;

    /// <summary>
    /// 是否开始更新
    /// </summary>
    private bool startUpdate = false;

    /// <summary>
    /// 更新信息
    /// </summary>
    private UpdateInfo mUpdateInfo = null;

    // 结果
    private CheckUpdate.CheckResult mCheckResult = null;

    private string apkURL = "";

    /// <summary>
    /// 开始
    /// </summary>
    private void Start()
    {
        // 友盟统计: 开始更新之前
        AndroidInteractive.CallJavaFunction("onEvent", "e_k_9", "1", "1");
        StatHelper.Instance.AddEvent( "e_k_9", "1", "1");

        Init();

        string plat = "";
        string channel = "TapTap";
        if (Application.platform == RuntimePlatform.IPhonePlayer)
        {
            plat = "IOS";
        }
        else
        {
            plat = "Android";
        }

        // 检测更新
        UpdateHelper.Instance().GetCurVersion((ver) =>
        {
            StartCoroutine(IE_GetUpdate(ver, plat, channel));
        });
    }

    /// <summary>
    /// 获取更新
    /// </summary>
    /// <param name="myVer"></param>
    /// <param name="plat"></param>
    /// <returns></returns>
    private IEnumerator IE_GetUpdate(int myVer, string plat, string channel)
    {
        string url = CheckUpdate.Check_URL;

        UnityWebRequest www = UnityWebRequest.Get(url + "?clientVer=" + myVer + "&plat=" + plat + "&channel=" + channel);
        yield return www.SendWebRequest();

        while (!www.isDone)
        {
            yield return new WaitForSeconds(0.02f);
        }

        try
        {
            JObject jObj = JObject.Parse(www.downloadHandler.text);
            mCheckResult = jObj.ToObject<CheckUpdate.CheckResult>();
            int a = 1;
        }
        catch
        {
            mCheckResult = null;
            UI_CueDialog.Instance().Open("获取服务器地址失败！", "更新提示", E_DialogType.OneButton, ExitGame);
        }

        if (mCheckResult != null)
        {
            // 无更新
            if (mCheckResult.err == 0)
            {
                mPanel.SetActive(false);
                LoadAssembly();
            }
            // 整包更新
            else if (mCheckResult.err == 1031)
            {
                apkURL = mCheckResult.fullDownloadPage;
                UI_CueDialog.Instance().Open(mCheckResult.msg, "更新提示", E_DialogType.OneButton, UpdateAPK);
            }
            // 有更新
            else if (mCheckResult.err == 1032)
            {
                UI_CueDialog.Instance().Open(mCheckResult.msg, "更新提示", E_DialogType.TwoBntton, CueHaveUpdate, ExitGame);
            }
            // 通知，不可继续游戏
            else if (mCheckResult.err == 1033)
            {
                UI_CueDialog.Instance().Open(mCheckResult.msg, "更新提示", E_DialogType.OneButton, ExitGame);
            }
        }

        www.Dispose();
    }

    /// <summary>
    /// 弹窗提示回调
    /// </summary>
    private void CueHaveUpdate()
    {
        // 获取更新文件
        UpdateHelper.Instance().GetUpdateFile(mCheckResult.cdn,()=> 
        {
            mUpdateInfo = UpdateHelper.Instance().GetUpdateInfo();
            startUpdate = true;
            mPanel.gameObject.SetActive(true);
        });     
    }

    /// <summary>
    /// 加载字符集
    /// </summary>
    private void LoadAssembly()
    {
        mPanel.SetActive(false);
        mUpdateTitleText.text = "正在初始化中......";

        // 开启更新检测
        if (GlobalConfig.is_Update)
        {
            AssemblyHelper.Instance.InitializeAssembly(Constant.AssemblyFilePath, Constant.AssemblyName, () =>
            {
                 AssemblyHelper.Instance.BindScript("Entrance_Launcher", this.gameObject);
            });
        }
        else
        {
            mPanel.SetActive(false);
            AssemblyHelper.Instance.BindScript("Entrance_Launcher", this.gameObject);
        }
    }

    /// <summary>
    /// 初始化
    /// </summary>
    public void Init()
    {
        GameObject obj = GameObject.Find("UI_ONUpdateWindow");
        mPanel = obj.transform.Find("Panel").gameObject;
        mUpdateSlider = obj.transform.Find("Panel/UpdatePanel/Slider").GetComponent<Slider>();
        mProgressText = obj.transform.Find("Panel/UpdatePanel/percentText").GetComponent<Text>();
        mUpdateTitleText = obj.transform.Find("Panel/UpdatePanel/UpdateFileText").GetComponent<Text>();
        mUpdateTitleText.text = "正在检查更新......";
        mTipsText = obj.transform.Find("Panel/UpdatePanel/TipsText").GetComponent<Text>();
    }

    /// <summary>
    /// 更新
    /// </summary>
    private void Update()
    {
        if (startUpdate == false)
        {
            return;
        }

        if (mUpdateInfo != null)
        {
            // 更新完成，切换到登陆关卡
            if (mUpdateInfo.mUpdateComplete)
            {
                mUpdateSlider.value = 1;
                mUpdateInfo = null;
                mUpdateTitleText.text = "更新完成";
                mTipsText.text = "开始初始化游戏,此过程不消耗流量......";
                mProgressText.text = "100%";

                startUpdate = false;

                LoadAssembly();
                AndroidInteractive.CallJavaFunction("onEvent", "e_k_1", "1", "1");                // 资源更新完成
                StatHelper.Instance.AddEvent( "e_k_1", "complete", "1");                                 // 资源更新完成
            }
            else
            {
                if (mUpdateInfo.mTotalFileCount > 0)
                {
                    mUpdateTitleText.text = "正在更新中......";
                    mTipsText.text = "更新进度: " + (mUpdateInfo.mCurFileIndex + 1) + "/" + mUpdateInfo.mTotalFileCount;
                    mUpdateSlider.value = mUpdateInfo.mCurFileProgress;
                    mProgressText.text = (int)(mUpdateInfo.mCurFileProgress * 100) + "%";
                }
            }
        }
    }

    /// <summary>
    /// 整包更新
    /// </summary>
    private void UpdateAPK()
    {
        Application.OpenURL(apkURL);
        Application.Quit();
    }

    /// <summary>
    /// 退出游戏
    /// </summary>
    private void ExitGame()
    {
        Application.Quit();
    }
}