local UILoadingPanel = UIViewClass()
local curProgress = 0
local LoadingTexPathAB = ConstAssetPathConfig.LoadingTexPathAB
local progressShow = "%s%s/%s(%s/S)"
local PlotReviewBG = "Loading_2"

-- **************** 通用部分 ******************* --
function UILoadingPanel:OnCreated()
    UIUtils.SetActive(self.btn_Download, false)
end

function UILoadingPanel:OnOpened()
    self.targetProgress = 0
    curProgress = 0
    self.bgPath = nil
    self.bgTex = nil
    self:RegisterEvents()

    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.HotFix then
        --刚打开Loading显示资源检测文本
        UIUtils.SetLabelText(self.ProgressLabel, Const_IDS.IDS_LoginCheckResource)
    else
        if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.PlotReview then
            self:UpdateLoadingTex(PlotReviewBG)
        else
            self:SetLoadingImgBg()
        end
        self:SetLoadingTips()
    end
    self:StartRepeatFunc(self.OnUpdateFun, 0)

    --版本显示
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.HotFix
            or MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.FastFollowAssetPack
            or MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.StagePackage then
        self.txt_Version.text = MDL.HotFix.GetVersionInfo()
    else
        self.txt_Version.text = nil
    end
    self.txt_Version.gameObject:SetActive(false)
    
    self:SetVN18LogoConfig()

    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.StagePackage then
        self.pack1MaxSize = CTL.HotFix.GetStage1TotalDownloadSize()
    end

    UTL.UIRender.AdaptiveImageSizeFit(self.LoadingTex)
    UIUtils.SetActive(self.img_Frame2, not UIManager.IsViewOpened(Const_UI_Lua.UIEnum.UILoginVideo, true))
end

function UILoadingPanel:OnButtonClicked(comp)
    if comp == self.btn_Download then
        CTL.HotFix.ContinueDownload()
    end
end

function UILoadingPanel:SetLoadingImgBg()
    local idRange = DataSheetManager.LoadingExpressionData:GetDataCount()
    local randomId = CTL.Loading.GetRandomNumber(idRange)
    self:UpdateLoadingTex(DataSheetManager.LoadingExpressionData:GetDataByID(randomId).ParamStr1)
end

function UILoadingPanel:EnableBG(enable)
    UIUtils.SetActive(self.LoadingTex, enable)
end

function UILoadingPanel:SetLoadingTips()
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.None then
        UIUtils.SetLabelText(self.ProgressLabel, Const_IDS.IDS_LoginCheckResource)
    else
        local tipsNum = DataSheetManager.LoadingTips:GetDataCount()
        local randomId = CTL.Loading.GetRandomNumber(tipsNum)
        local tip = DataSheetManager.LoadingTips:GetDataByID(randomId).LoadingTextIDS
        UIUtils.SetLabelText(self.ProgressLabel, Const_IDS[tip])
    end
end

function UILoadingPanel:RegisterEvents()
    self:RegistSystemEvent(EventID.UI_Loading_UpdateFastFollowProgress, self.UpdateFastFollowProgress)
    self:RegistSystemEvent(EventID.UI_Loading_HandleStep, self.HandleLoadStep)
    self:RegistSystemEvent(EventID.UI_Loading_UpdateTips, self.UpdateProgressLabel)
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.HotFix or MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.StagePackage then
        self:RegistSystemEvent(EventID.UI_Loading_UpdateDownloadProgress, self.UpdateHotFixProgress)
        self:RegistSystemEvent(EventID.Pause_Download, self.OnDownloadPause)
    end
    self:RegistSystemEvent(EventID.UpdateDownloadState, self.SetDownloadBtn)
    self:RegistSystemEvent(EventID.UI_Loading_EnableBG, self.EnableBG)
end

function UILoadingPanel:OnUpdateFun(deltaTime, timeSinceUpdate)
    if MDL.Loading.GetIsLoadingState() == false then
        self:UpdateProgress(1)
        self:CloseView()
        return
    end
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.None then
        self:UpdateProgress(1)
        return
    end
    --处理登录前进度条
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.HotFix or MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.StagePackage then
        self:UpdateProgress(self.targetProgress)
    elseif MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.EnterWorld then
        --处理登录到主城的进度条
        local progress = CTL.Loading.GetLoginLoadingProgress()
        if progress > curProgress then -- 登录到50% ，后面的都是靠switchLevel调用的UILoadingPanel:HandleLoadStep控制的更新进度
            self:UpdateProgress(progress)
        end
    end
end

function UILoadingPanel:HandleLoadStep(step)
    if step == LuaConst.Enum_LoadingStep.EnterLevel then
        self:UpdateProgress(1)
    elseif step == LuaConst.Enum_LoadingStep.FastPlay then
        local preProgress = CTL.Loading.GetInGameLoadingProgress(step) 
        self:UpdateProgress(preProgress)
        if preProgress > 0.8 then
            UIUtils.SetLabelText(self.ProgressLabel , Const_IDS.IDS_ConnectingBattle2 )-- 更新进度条下面的文字
        else
            UIUtils.SetLabelText(self.ProgressLabel , Const_IDS.IDS_ConnectingBattle1 )-- 更新进度条下面的文字
        end        
    else
        local preProgress = CTL.Loading.GetInGameLoadingProgress(step)
        local curProgressTemp = curProgress
        if preProgress> curProgressTemp then
            self:UpdateProgress(preProgress)
        end
    end
end

function UILoadingPanel:UpdateLoadingTex(texName)
    if self.bgPath and self.bgTex then
        TK2API.ReturnAsset(self.bgPath, self.bgTex)
    end
    self.bgPath = string.format(LoadingTexPathAB, texName)
    self.bgTex = TK2API.GetTextureAsset(self.bgPath)
    self.LoadingTex.texture = self.bgTex
end


function UILoadingPanel:UpdateProgressLabel(value)
    UTL.String.SetLabelContent(self.ProgressLabel,value)
end

function UILoadingPanel:UpdateHotFixProgress(curSize, maxSize, speed)
    if MDL.Loading.LoadingType == MDL.Loading.LoadingTypeEnum.HotFix then
        self.ProgressLabel.text = string.format(progressShow, UIUtils.GetLocalizedTxt(Const_IDS.IDS_LoginDownload), UTL.String.TransferKiloBytesSize(curSize), UTL.String.TransferKiloBytesSize(maxSize), UTL.String.TransferKiloBytesSize(speed))
        self.targetProgress = curSize / maxSize
    else
        --分包下载的进度应该是所有小分包的总和的进度
        maxSize = self.pack1MaxSize
        curSize = curSize + CTL.HotFix.GetStage1DownloadedSize(LoginProxy.GetCurStage())
        self.ProgressLabel.text = string.format(progressShow, UIUtils.GetLocalizedTxt(Const_IDS.IDS_LoginDownload), UTL.String.TransferKiloBytesSize(curSize), UTL.String.TransferKiloBytesSize(maxSize), UTL.String.TransferKiloBytesSize(speed))
        self.targetProgress = curSize / maxSize
    end
end

function UILoadingPanel:UpdateFastFollowProgress(progress, downloadSize, totalSize)
    self.ProgressLabel.text = string.FormatByIdsId(Const_IDS.IDS_AABDownload_Tips, UTL.String.TransferBytesSize(downloadSize), UTL.String.TransferBytesSize(totalSize))
    self:UpdateProgress(progress)
end

--下载暂停，将下载速度置零
function UILoadingPanel:OnDownloadPause()
    local curSize = CTL.HotFix.GetLastDownloadSize()
    local maxSize = self.maxDownloadSize
    self.ProgressLabel.text = string.format(progressShow, UIUtils.GetLocalizedTxt(Const_IDS.IDS_LoginDownload), UTL.String.TransferKiloBytesSize(curSize), UTL.String.TransferKiloBytesSize(maxSize), UTL.String.TransferKiloBytesSize(0))
end

function UILoadingPanel:SetDownloadBtn(isShow)
    UIUtils.SetActive(self.btn_Download, isShow)
end

function UILoadingPanel:UpdateProgress(value)
    self.progressBar.value = value
    curProgress = self.progressBar.value
    local percent = math.floor(value*100)
    self.PercentLabel.text = string.format("%u%%",percent)
end

function UILoadingPanel:OnClosed()
    self:UpdateProgress(1)
    if self.bgPath and self.bgTex then
        TK2API.ReturnAsset(self.bgPath, self.bgTex);
        self.bgTex = nil
        self.LoadingTex.texture = nil
    end
end

function UILoadingPanel:SetVN18LogoConfig()
    --越南版本开启 其他版本默认关闭
    if not UNITY_EDITOR and GameAppInfo.IsVietnamPackage() then 
        UIUtils.SetLocalizationImage(self.icon_VN_AgeLimit18, "icon_VN_AgeLimit18.png")
        UIUtils.SetActive(self.icon_VN_AgeLimit18, GameAppInfo.IsShowVietnam18Logo())
    end
end

return UILoadingPanel