local HotFix_Model = {}
local private = {}
local EventSystem = require('Event/EventSystem')

local _maxDownloadSize = 0

private.downloadParam = {}

private.hasStagePackageAward = false

function HotFix_Model.OnStartup()
    HotFix_Model.DownLoadProgress = 0
    NetManager.RegisterMsgCB(MessageEnums.MessageStagePackageAward, private.StagePackageAwardResp)
    NetManager.RegisterMsgCB(MessageEnums.MessageFinishPackageDownload, nil)
    NetManager.RegisterMsgCB(MessageEnums.MessageStartPackageBaoDownLoad, nil)
    EventSystem.Regist(EventID.Base_SwitchBaseCDNUrl, private.OnSwitchBaseCDNUrl)
end

function HotFix_Model.InitHotFixUrl()
    private.OnSwitchBaseCDNUrl()
end

function private.GetDownloadBaseURL(baseURL)
    local platform
    if UNITY_IOS then
        platform = "iOS"
    elseif UNITY_ANDROID  then
        platform = "Android"
    elseif UNITY_STANDALONE == "OSX" then
        platform = "Mac"
    else
        platform = "Win"
    end
    if DEF.EDITOR_DOWNLOAD_PLATFORM then
        return string.format("%s/%s/%s", baseURL, DEF.BASE_PKG_CODE, DEF.EDITOR_DOWNLOAD_PLATFORM)
    end
    return string.format("%s/%s/%s", baseURL, DEF.BASE_PKG_CODE, platform)
end

function private.OnSwitchBaseCDNUrl()
    if USE_ASSET_UPDATE or DEF.EDITOR_DOWNLOAD_PLATFORM then
        local baseURL = tostring(MDL.Login.GetCDNBaseUrl() or "")
        if string.sub(baseURL, 1, 7) ~= "http://" and string.sub(baseURL, 1, 8) ~= "https://" then
            baseURL = string.format("http://%s:8001/jws2", baseURL)
        end
        local downloadUrl = private.GetDownloadBaseURL(baseURL)
        LoginProxy.SetBaseURL(downloadUrl)
    end
end

function HotFix_Model.SetMaxDownloadSize(num)
    _maxDownloadSize = num
end

function HotFix_Model.GetMaxDownloadSize()
    return _maxDownloadSize
end

function HotFix_Model.CheckIfHotFix(msgResp)
    if USE_ASSET_UPDATE then
        local updateVer = msgResp.Resp.UpdateVer
        if not string.isNilOrEmpty(updateVer) then
            local newVer = CTL.Login.NewGetPlatformHotVer(updateVer)
            if not string.isNilOrEmpty(newVer) then
                local lastVersion = AppInfo.hotfixCodeFromServer
                if ((string.isNilOrEmpty(lastVersion)) or (lastVersion ~= nil and newVer ~= lastVersion)) then
                    --热更号变化，需要返回登录界面热更资源
                    UTL.MessageBox.ShowOnlyOkNoCloseBox(Const_IDS.IDS_WARNING, Const_IDS.IDS_StrongUpdate, private.BackToLogin)
                end
            end
        end
    end
end

function private.BackToLogin()
    SDKUtil.SwitchAccount()
end

--版本号（渠道号）_包内热更新号_包外热更新号_本地的预热更号
function HotFix_Model.GetVersionInfo()
    local hotfixCodeServer = string.isNilOrEmpty(AppInfo.hotfixCodeFromServer) and 0 or AppInfo.hotfixCodeFromServer
    local hotfixCodeLocal = string.isNilOrEmpty(DEF.LOCAL_HOTFIX_CODE) and 0 or DEF.LOCAL_HOTFIX_CODE
    local preHotfixCodeLocal = CTL.HotFix.GetLocalPreHotfixCode()
    local content = string.format("%s(%s)_%s_%s_%s", AppInfo.marketVersion, SDKUtil.ChannelID, hotfixCodeLocal, hotfixCodeServer, preHotfixCodeLocal)
    if DEF.DISABLE_ASSET_CHECK then
        --如果关闭了热更，增加前缀提示
        return "热更关闭_" .. content
    end
    return content
end

function HotFix_Model.StagePackageAwardRequest()
    local msg = NetManager.GetPB("stage_package_pb").StagePackageAwardReq()
    NetManager.SendMessage(MessageEnums.MessageStagePackageAward, msg)
end

function private.StagePackageAwardResp(msgResp)
    if msgResp.Resp.Code == 0 then
        private.hasStagePackageAward = true
        UIManager.CloseView(Const_UI_Lua.UIEnum.UIStagePackage)
        EventSystem.Dispatch(EventID.UI_Close_DownloadEntry)
        if GameAppInfo.IsJapanesePackage() then -- 日服包专有
            EventSystem.Dispatch(EventID.PreDownloadJP_ShowRedPoint)
            if CTL.PreDownloadJP.IsPreHotfixFinish() then -- 领取完奖励，如果本地预热更号 存在则表示已经下载过预热更。此时重新开启一次预热更检测
                CTL.HotFix.TryStartPreHotfix()
            end
        end
    end
end

function HotFix_Model.SyncStagePackageAward(state)
    private.hasStagePackageAward = (state == 1)
end

function HotFix_Model.Get_HasStagePackageAward()
    return private.hasStagePackageAward
end

function HotFix_Model.SyncAwardPackageStage(states)
    private.hasAwardPackageStage = states
end

function HotFix_Model.Stage299PackageAwardRequest()
    if NetManager.IsLaunch() then
        return
    end
    local msg = NetManager.GetPB("stage_package_pb").FinishPackageDownloadReq()
    --完成的分包下载阶段(从分包2开始计数：分包2传1，分包3传2，以此类推)
    msg.stage = 1
    NetManager.SendMessage(MessageEnums.MessageFinishPackageDownload, msg)
end

--完成的分包下载阶段(从分包2开始计数：分包2传1，分包3传2，以此类推)
function HotFix_Model.StartPackageBaoDownLoadReq(stage)
    local msg = NetManager.GetPB("stage_package_pb").StartPackageBaoDownLoadReq()
    msg.stage = stage
    NetManager.SendMessage(MessageEnums.MessageStartPackageBaoDownLoad, msg)
end

return HotFix_Model