local UIGMBroadcast = UIViewClass()
-- GM跑马灯数值参数
local START_SHOW_TIME = FP.tonumberV1(DataSheetManager.ConstData:GetDataByID("BroadcastStartSeconds").FloatValue)
local END_DELAY_TIME = FP.tonumberV1(DataSheetManager.ConstData:GetDataByID("BroadcastEndSeconds").FloatValue)
local ANIMATION_END_TIME = 0.1
local SCROLLING_SPEED = DataSheetManager.ConstData:GetDataByID("BroadCastSpeedHigh").IntValue

function UIGMBroadcast:OnOpened()
	self:RegistSystemEvent(EventID.UI_Broadcast_UpdateGM, self.RecoverGMBroadcast)
	
	self.imgTf = self.img_Bg.transform
	self.bgLength = self.ScrollingBg:GetSizeDelta()
	local GMMsg = MDL.Broadcast.GetBroadcastGM()
	if GMMsg then
		self:ShowBroadcastGM(GMMsg)
	end
end

function UIGMBroadcast:OnClosed()
	self:StopCurrentBroadcastGM()
end

function UIGMBroadcast:RecoverGMBroadcast()
	--判断当前是否正在广播消息，如果有则直接返回
	if CTL.Broadcast.GetExistedBroadcastGM() then
		return
	end
	local GMMsg = MDL.Broadcast.GetBroadcastGM()
	if GMMsg then
		self:ShowBroadcastGM(GMMsg)
		self:PlayShowAnim()
	end
end

function UIGMBroadcast:RefreshGMBroadcast(deltaTime, timeSinceUpdate)
	local gmMsg = MDL.Broadcast.GetBroadcastGM()
	if gmMsg and CTL.Broadcast.GetExistedBroadcastGM() then
		self:StopCurrentBroadcastGM()
		self:ShowBroadcastGM(gmMsg)
	else
		self:StopRepeatFunc(self.RefreshBroadcast)
		self:PlayEndAnim()
	end
end

function UIGMBroadcast:ShowBroadcastGM(GMMsg)
	self:PlayShowAnim()
	self:SetBroadcastGM(GMMsg)
	MDL.Broadcast.RemoveBroadcastGM()
end

function UIGMBroadcast:SetBroadcastGM(textData)
	if textData then
		local objLength = self.scrollingGMText:PlayBroadcastMsg(textData.content, SCROLLING_SPEED, START_SHOW_TIME, self.bgLength)
		local deltaLength = objLength - self.bgLength < 0 and 0 or objLength - self.bgLength
		local deltaTime = deltaLength / SCROLLING_SPEED
		local requireTime = deltaTime + START_SHOW_TIME + END_DELAY_TIME + ANIMATION_END_TIME
		CTL.Broadcast.SetExistedBroadcastGM(textData)
		self:StartRepeatFunc(self.RefreshGMBroadcast, requireTime, 1)
	else
		self:RefreshGMBroadcast()
	end
end

function UIGMBroadcast:StopCurrentBroadcastGM()
	if CTL.Broadcast.GetExistedBroadcastGM() then
		self.scrollingGMText:StopBroadcastMsg()
		CTL.Broadcast.ClearExistedBroadcastGM()
	end
end

function UIGMBroadcast:PlayShowAnim()
	if self.animShow then
		self:PlayUIAnimation(self.animShow)
	else
		self.animShow = self:PlayUIAnimation("GMBroadcastShow")
	end
end

function UIGMBroadcast:PlayEndAnim()
	local _, sy = self.imgTf:GetLocalScale()
	if sy ~= 0 then
		if self.animEnd then
			self:PlayUIAnimation(self.animEnd)
		else
			self.animEnd = self:PlayUIAnimation("GMBroadcastEnd", true)
		end
	end
end

function UIGMBroadcast:OnUIAnimationStoped(playingID)
	if playingID == self.animEnd then
		self:StopCurrentBroadcastGM()
		CTL.Broadcast.RecoverTopBroadcast()
	end
end

return UIGMBroadcast