//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Wednesday, March 28, 2018
//--------------------------------------------------------

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

namespace Snxxz.UI
{

    public class VersionUpdateWin : Window
    {
        [SerializeField] RectTransform m_ContainerHint;
        [SerializeField] RichText m_HintDescription;
        [SerializeField] RectTransform m_UpdateContentContainer;
        [SerializeField] RichText m_UpdateCotent;
        [SerializeField] Button m_Confirm;

        [SerializeField] Transform m_ContainerProgress;
        [SerializeField] SmoothSlider m_ProgressSlider;
        [SerializeField] Text m_Progress;
        [SerializeField] Text m_DownLoadSpeed;

        float timer = 1f;

        #region Built-in

        protected override void BindController()
        {
            m_Confirm.AddListener(Confirm);
        }

        protected override void AddListeners()
        {
        }

        protected override void OnPreOpen()
        {
            OnDownLoadStepChange(VersionUtility.Instance.step);
        }

        protected override void OnAfterOpen()
        {
            VersionUtility.Instance.downLoadStepChangeEvent += OnDownLoadStepChange;
        }

        protected override void OnPreClose()
        {
            VersionUtility.Instance.downLoadStepChangeEvent -= OnDownLoadStepChange;
        }

        protected override void OnAfterClose()
        {
        }

        #endregion

        private void OnDownLoadStepChange(VersionUtility.Step _step)
        {
            switch (_step)
            {
                case VersionUtility.Step.None:
                    break;
                case VersionUtility.Step.ApkExist:
                    m_ContainerHint.gameObject.SetActive(true);
                    m_ContainerProgress.gameObject.SetActive(false);
                    DisplayHintContent();
                    break;
                case VersionUtility.Step.DownLoadPrepared:
                case VersionUtility.Step.DownLoadFailed:
                    m_ContainerHint.gameObject.SetActive(true);
                    m_ContainerProgress.gameObject.SetActive(false);
                    DisplayHintContent();
                    break;
                case VersionUtility.Step.DownLoad:
                    m_ContainerHint.gameObject.SetActive(false);
                    m_ContainerProgress.gameObject.SetActive(true);
                    DisplayHintContent();
                    break;
            }
        }

        protected override void LateUpdate()
        {
            base.LateUpdate();

            var step = VersionUtility.Instance.step;
            if (step == VersionUtility.Step.DownLoad)
            {
                timer += Time.deltaTime;
                if (timer > 1f)
                {
                    timer -= 1f;

                    m_ProgressSlider.value = VersionUtility.Instance.progress;

                    var totalSizeString = ((float)VersionUtility.Instance.GetApkSize() * 1024 / DownLoadAndDiscompressTask.BYTE_PER_MILLIONBYTE).ToString("f1");
                    var downLoadedSize = Mathf.Clamp(RemoteFile.TotalDownloadedSize, 0, VersionUtility.Instance.GetApkSize() * 1024);
                    var downLoadedSizeString = ((float)downLoadedSize / DownLoadAndDiscompressTask.BYTE_PER_MILLIONBYTE).ToString("f1");

                    m_Progress.text = Language.GetFromLocal(13, StringUtility.Contact(downLoadedSizeString, "M", "/", totalSizeString, "M"));
                }

                if (Time.frameCount % 2 == 0)
                {
                    if (RemoteFile.TotalDownloadedSize >= VersionUtility.Instance.GetApkSize() * 1024)
                    {
                        m_DownLoadSpeed.text = StringUtility.Contact(UnityEngine.Random.Range(5, 10), "KB/S");
                    }
                    else
                    {
                        m_DownLoadSpeed.text = RemoteFile.DownloadSpeed;
                    }
                }
            }
        }

        private void DisplayHintContent()
        {
            var step = VersionUtility.Instance.step;
            switch (step)
            {
                case VersionUtility.Step.None:
                    m_HintDescription.text = Language.GetFromLocal(4);
                    break;
                case VersionUtility.Step.ApkExist:
                    m_HintDescription.text = Language.GetFromLocal(5);
                    break;
                case VersionUtility.Step.DownLoadPrepared:
                    if (Application.platform == RuntimePlatform.Android)
                    {
                        var totalSize = VersionUtility.Instance.GetApkSize();
                        var sizeDescription = ((float)totalSize / DownLoadAndDiscompressTask.BYTE_PER_KILOBYTE).ToString("f1");
                        switch (Application.internetReachability)
                        {
                            case NetworkReachability.NotReachable:
                                m_HintDescription.text = Language.GetFromLocal(6, sizeDescription);
                                break;
                            case NetworkReachability.ReachableViaCarrierDataNetwork:
                                m_HintDescription.text = Language.GetFromLocal(7, sizeDescription);
                                break;
                            case NetworkReachability.ReachableViaLocalAreaNetwork:
                                m_HintDescription.text = Language.GetFromLocal(8, sizeDescription);
                                break;
                        }
                    }
                    else if (Application.platform == RuntimePlatform.IPhonePlayer)
                    {
                        m_HintDescription.text = Language.GetFromLocal(9);
                    }
                    break;
                case VersionUtility.Step.DownLoad:
                    m_HintDescription.text = Language.GetFromLocal(3);
                    break;
                case VersionUtility.Step.DownLoadFailed:
                    m_HintDescription.text = Language.GetFromLocal(10);
                    break;
            }

            switch (step)
            {
                case VersionUtility.Step.ApkExist:
                case VersionUtility.Step.DownLoadPrepared:
                    var updateContent = VersionUtility.Instance.GetUpdateContent();
                    if (string.IsNullOrEmpty(updateContent))
                    {
                        m_UpdateContentContainer.gameObject.SetActive(false);
                    }
                    else
                    {
                        m_UpdateContentContainer.gameObject.SetActive(true);
                        m_UpdateCotent.text = updateContent;
                    }
                    break;
                default:
                    m_UpdateContentContainer.gameObject.SetActive(false);
                    break;
            }

        }

        private void Confirm()
        {
            timer = 1f;
            var step = VersionUtility.Instance.step;

            switch (step)
            {
                case VersionUtility.Step.None:
                    VersionUtility.Instance.RequestVersionCheck();
                    break;
                case VersionUtility.Step.ApkExist:
                    SDKUtility.Instance.InstallAPK(VersionUtility.Instance.GetApkLocalUrl());
                    break;
                case VersionUtility.Step.DownLoadPrepared:
                    switch (Application.platform)
                    {
                        case RuntimePlatform.Android:
                            VersionUtility.Instance.StartDownLoad();
                            break;
                        case RuntimePlatform.IPhonePlayer:
                            Application.OpenURL(VersionUtility.Instance.GetApkRemoteUrl());
                            //打开应用商店链接
                            break;
                        case RuntimePlatform.WindowsPlayer:
                            //打开下载链接
                            Application.OpenURL(VersionUtility.Instance.GetApkRemoteUrl());
                            break;
                    }
                    break;
                case VersionUtility.Step.DownLoadFailed:
                    VersionUtility.Instance.StartDownLoad();
                    break;
            }
        }

    }

}