local UIEntityBasePanel = UIViewClass()
local EntityUIPositionModule = require("View/Battle/BattleEntityUI/EntityUIModule/EntityUIPositionModule")
local EntityUIBaseModule = require("View/Battle/BattleEntityUI/EntityUIModule/EntityUIBaseModule")
local EntityHeadUIModule = require("View/Battle/BattleEntityUI/EntityUIModule/EntityHeadUIModule")


local DISTANCE_IN_TARGET = 35 * 35
function UIEntityBasePanel:OnCreated()
 	self.elementDic = {} 	-- 用于保存Data数据方便在Updata中使用,这里的顺序不重要
 	self.elementPool = {}	-- 用作简单池子
 	self.uiElementParams = nil -- 需要子类定义参数
end

function UIEntityBasePanel:OnOpened(context)
	self:RegistSystemEvent(EventID.UIBattle_Element_Active, self.ElementActive)							-- 激活名字板UI
	self:RegistSystemEvent(EventID.UIBattle_Element_ChangeName, self.ElementChangeName)					-- 修改名字板UI名字
	self:RegistSystemEvent(EventID.UIBattle_Element_ChangeColorName, self.ElementChangeColorName)					-- 修改名字板UI名字
	self:RegistSystemEvent(EventID.UIBattle_ExpEntity_UIDispose, self.ElementDispose)					-- 移除名字板UI
	self:RegistSystemEvent(EventID.UIBattle_Element_UpdateHP, self.ElementUpdateHP)						-- 修改名字板UI血条
	self:RegistSystemEvent(EventID.UIBattle_Element_SetMaxDistSqrModelUI, self.SetMaxDistSqrModelUI)	-- 设置显示最大距离
	self:RegistSystemEvent(EventID.UI_HandleModelElement, self.SetHideType)								-- 设置隐藏层级

	self:RegistSystemEvent(EventID.UI_EnterCheatModel, self.EnterCheatModel)							-- 进入cheat时隐藏头顶版
	self:RegistSystemEvent(EventID.UI_ActiveAllModelElement, self.ActiveAllModelElement)				-- 隐藏全部头顶版
end

function UIEntityBasePanel:OnClosed()
	--将元素放回动态CollectionArray中，随界面自动销毁
	for entity in pairs(self.elementDic) do
		self:ElementDispose(entity)
	end
end

function UIEntityBasePanel:OnLateUpdate(deltaTime, timeSinceUpdate)
	EntityUIPositionModule.OnLateUpdate(self, self.elementDic, self.uiElementParams)
end

function UIEntityBasePanel:CreateElementData(expEntity)
	local renderEntity = expEntity.RenderEntity
	local elementData = self.elementDic[renderEntity]
	if elementData then
		EntityUIBaseModule.ElementReset(expEntity, elementData)
	else
		local element = table.remove(self.elementPool)
		if not element then
			element = self:InstantiateCollection(self.ElementModelList, self.template_element.gameObject)
		end
		--首次加入一个元素时开启更新
		if next(self.elementDic) == nil then
			self:StartRepeatFunc(self.OnLateUpdate, 0, -1, false)
		end
		elementData = EntityUIBaseModule.ElementCreate(expEntity, element)
		self.elementDic[renderEntity] = elementData
	end
	return elementData
end

function UIEntityBasePanel:CreatePetElementData(expEntity)
	local petRenderEntity = expEntity.PetRenderEntity
	if petRenderEntity == nil then
		return nil
	end
	local petElementData = self.elementDic[petRenderEntity]
	if petElementData then
		EntityUIBaseModule.ElementReset(expEntity, petElementData)
	else
		local element = table.remove(self.elementPool)
		if not element then
			element = self:InstantiateCollection(self.ElementModelList, self.template_element.gameObject)
		end
		--首次加入一个元素时开启更新
		if next(self.elementDic) == nil then
			self:StartRepeatFunc(self.OnLateUpdate, 0, -1, false)
		end
		petElementData = EntityUIBaseModule.ElementCreate(expEntity, element)
		self.elementDic[petRenderEntity] = petElementData
	end
	return petElementData
end

-- 设置显示最大距离
function UIEntityBasePanel:SetMaxDistSqrModelUI(distance)
	if distance ~= nil then
		self.uiElementParams.MaxDistSqrModelUI = distance * distance
	else
		self.uiElementParams.MaxDistSqrModelUI = DISTANCE_IN_TARGET
	end
end

-- 设置隐藏层级（在子类中实现）
function UIEntityBasePanel:SetHideType(hideLayer, hide)
end

-- 进入cheat时隐藏头顶版
function UIEntityBasePanel:EnterCheatModel(isEnter)
    UIUtils.SetActive(self.ElementModelList.gameObject, not isEnter)
end

-- 隐藏头顶版
function UIEntityBasePanel:ActiveAllModelElement(hide)
	UIUtils.SetActive(self.gameObject, hide)
end

---------- Start 具体的子项Element操作 Start ----------
function UIEntityBasePanel:ElementActive(renderEntity, active)
	if renderEntity then
		EntityUIBaseModule.ElementActive(self.elementDic[renderEntity], active)
	end
end

function UIEntityBasePanel:ElementDispose(renderEntity)
	local elementData = self.elementDic[renderEntity]
	if elementData then
		--将头顶节点清除
		self:ElementDestroyAllHeadUI(elementData)
		EntityUIBaseModule.ElementDispose(elementData)
        table.insert(self.elementPool, elementData.element)
        self.elementDic[renderEntity] = nil
		--列表为空时停止更新
		if next(self.elementDic) == nil then
			self:StopRepeatFunc(self.OnLateUpdate)
		end
	end
end

function UIEntityBasePanel:SetUIOffsetY(renderEntity, offsetY)
	EntityUIBaseModule.SetUIOffsetY(self.elementDic[renderEntity], offsetY)
end

-- 改变名字（在子类中实现）
function UIEntityBasePanel:ElementChangeName(renderEntity, name)
end

-- 改变名字字色，不变更宽度（在子类中实现）
function UIEntityBasePanel:ElementChangeColorName(renderEntity, name)
end

-- 更新血条（在子类中实现）
function UIEntityBasePanel:ElementUpdateHP(renderEntity, hp, pc, maxHp, init)
end

function UIEntityBasePanel:ElementTopShowTitle(renderEntity)
	local elementData = self.elementDic[renderEntity]
	if elementData then
		elementData.elementT:SetAsLastSibling()
	end
end

--刷新头顶UI，重新自适应位置
function UIEntityBasePanel:ElementRefreshHeadUI(renderEntity)
	local elementData = self.elementDic[renderEntity]
	if elementData and elementData.headUIDic then
		EntityHeadUIModule.AdjustHeadUI(elementData.headUIDic, self:GetModelNameTrans(renderEntity))
	end
end

--头顶节点的创建，内部会对位置自适应校正
function UIEntityBasePanel:ElementCreateHeadUI(renderEntity, headUIType)
	local elementData = self.elementDic[renderEntity]
	if elementData then
		if elementData.headUIDic == nil then
			elementData.headUIDic = {}
		end
		local headUINode = elementData.headUIDic[headUIType]
		if headUINode then
			return headUINode
		end
		headUINode = EntityHeadUIModule.CreateHeadUI(headUIType, elementData.element.headUIGroup, self)
		elementData.headUIDic[headUIType] = headUINode
		EntityHeadUIModule.AdjustHeadUI(elementData.headUIDic, self:GetModelNameTrans(renderEntity))
		return headUINode
	end
	return nil
end

--头顶节点设置参数
function UIEntityBasePanel:ElementSetHeadUI(renderEntity, headUIType, ...)
	local headUINode = self:ElementCreateHeadUI(renderEntity, headUIType)
	if headUINode then
		EntityHeadUIModule.SetHeadUIParam(headUIType, headUINode, ...)
	end
end

--移除头顶节点
function UIEntityBasePanel:ElementRemoveHeadUI(renderEntity, headUIType)
	local elementData = self.elementDic[renderEntity]
	if elementData then
		if elementData.headUIDic then
			local headUINode = elementData.headUIDic[headUIType]
			if headUINode then
				EntityHeadUIModule.DestroyHeadUI(headUINode,headUIType, self, elementData.element.headUIGroup)
				elementData.headUIDic[headUIType] = nil
				EntityHeadUIModule.AdjustHeadUI(elementData.headUIDic, self:GetModelNameTrans(renderEntity))
			end
		end
	end
end

function UIEntityBasePanel:ElementDestroyAllHeadUI(elementData)
	EntityHeadUIModule.DestroyAllHeadUI(self, elementData.element.headUIGroup)
	elementData.headUIDic = nil
end

------------ End 具体的子项Element操作 End ------------

return UIEntityBasePanel