---@class WBP_FittingItem_C:UAEUserWidget
---@field CanvasPanel_Main UCanvasPanel
---@field ItemIconAndBG UWBP_WeaponItemFitting_C
---@field TextBlock_ItemCount UTextBlock
---@field TextBlock_ItemType UTextBlock
---@field TextBlock_Quality UTextBlock
--Edit Below--
local WBP_FittingItem = { 
	bInitDoOnce = false;
	-- 拖拽数据的类
	DragDropClass = nil,
	--拖拽显示的类
	DragVisualClass = nil,
	-- 存放的物品数据
	FittingData = nil,
	--是否正在点击按钮
	bClickLeftButton = false,
	--按压时间
	PressTime = 0,
	--按压多长时间之后会执行操作
	FunctionPressTime = 0.6,
	
	bStartMove = false,
	bFirstButtonClick = false,
	VisualWidget = nil,
	
	DragTimerHandler = nil
};

function WBP_FittingItem:Construct()
	self.DragDropClass = UE.LoadClass(UGCGameSystem.GetUGCResourcesFullPath('Asset/UI/ChildWidgets/BP_FittingDragDropData.BP_FittingDragDropData_C'))
	self.DragVisualClass = UE.LoadClass(UGCGameSystem.GetUGCResourcesFullPath('Asset/UI/ChildWidgets/WBP_DragItemVisual.WBP_DragItemVisual_C'))
	self.CanvasPanel_Main:SetVisibility(ESlateVisibility.Collapsed)
	self.bCanEverTick = true
end

function WBP_FittingItem:Tick(MyGeometry, InDeltaTime)
	-- 当没有需要选择操作的时候就不用执行操作
	if UIManager.AllPanel[EUIType.Backpack]:GetOperateType() ~= EBagOperateType.None then
		return
	end
	if self.bClickLeftButton and not self.bStartMove then
		-- 开始即时
		self.PressTime = self.PressTime + InDeltaTime
		if self.PressTime > self.FunctionPressTime then
			-- 执行操作
			if not self.bFirstButtonClick then
				self.bFirstButtonClick = true
			end
		end

		if self.bFirstButtonClick then
			EventSystem:SendEvent(EventType.ShowItemDescribe, self.FittingData, true)
		end
	else
		self.PressTime = 0
	end
end

function WBP_FittingItem:Destruct()
	self.DragDropClass = nil
	self.DragVisualClass = nil
end

-- 该方法只会在开始的时候设置一次
-- 设置当前Item的数据，数据类型： {id, count}
function WBP_FittingItem:SetFittingItemData(InData)
	--首先保存
	print(string.format("开始设置数据：Id：%d, count:%d", InData.ItemID, InData.ItemCount))
	self.FittingData = InData
	
	if GameDataManager then
		local Val = GameDataManager.GetItemInfoByItemID(InData.ItemID)
		-- TODO 这个设置需要根据 具体强型修改
		self.ItemIconAndBG:SetItemIcon(Val.Icon)
		self.ItemIconAndBG:SetItemBGColor(GetItemQualityLevel(InData.ItemID))
		self.TextBlock_ItemCount:SetText(tostring(InData.ItemCount))
		-- 设置信息
		-- 先处理技能书
		local TextVal
		if InData.ItemID > 20000 then
			--local TheId = InData.ItemID // 100 % 100
			TextVal = DropItemMap.SkillItemMap[InData.ItemID].SkillName
		else
			TextVal = DropItemMap.FittingItemMap[InData.ItemID].WeaponType
		end
		
		self.TextBlock_ItemType:SetText(TextVal)
		
		-- 设置质量
		local Quality = Tables.QualityInfo[GetItemQualityLevel(InData.ItemID)][1]
		
		if Quality == nil then
			print(string.format("Can't Find Quality Type, ItemId = %d", InData.ItemID))
		else
			print(string.format("Find Item Weapon, Quality Is %s", Quality))
		end
		
		self.TextBlock_Quality:SetText(string.format("%s", Quality))
		
		-- 根据品质设置颜色
		self.CanvasPanel_Main:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
	else
		print("[WBP_FittingItem:SetItemData] 当前 GameDataManager 没有值，请检查一下是否有保存")
	end
	
	print(string.format("数据设置完成"))
end

function WBP_FittingItem:OnDragDetected(MyGeometry, PointerEvent, Operation)
	print("[WBP_FittingItem:OnDragDetected] 检测到 拖拽行为")
	
	self.bFirstButtonClick = false
	self.bClickLeftButton = false
	self.PressTime = 0
	self.bStartMove = false
	
	Operation = UE.NewObject(nil, self.DragDropClass)
	--由于不知道是什么，因此使用 None
	Operation:SetOperationData(self.FittingData, EItemDropType.None)
	Operation.DefaultDragVisual = self.VisualWidget
	return Operation
end

function WBP_FittingItem:OnMouseMove(MyGeometry, MouseEvent)
	-- 隐藏 ItemInfo 界面
	local ret = WBP_FittingItem.SuperClass:OnMouseMove(MyGeometry, MouseEvent);
	if not self.bClickLeftButton then
		return ret
	end
	
	EventSystem:SendEvent(EventType.ShowItemDescribe, self.FittingData, false)	
	
	if not self.bStartMove then
		self.bStartMove = true
		
		local GameState = UGCGameSystem.GameState
		if self.FittingData == nil then
			return ret
		end
		if UE.IsValid(self.DragVisualClass) and UE.IsValid(GameState) then
			self.VisualWidget = UserWidget.NewWidgetObjectBP(GameState, self.DragVisualClass)
			self.VisualWidget:SetVisibility(ESlateVisibility.Collapsed)
			local that = self
			self.DragTimerHandler = EventSystem.SetTimerLoop(self, function()
				if that.VisualWidget.bHasInit then
					EventSystem.StopTimer(that.DragTimerHandler)
					that.VisualWidget:SetVisualItemData(that.FittingData, that.ItemIconAndBG:GetItemIcon())
				end
				that.VisualWidget:SetVisibility(ESlateVisibility.SelfHitTestInvisible)	
			end, 0.05)
		end
		return WidgetBlueprintLibrary.DetectDragIfPressed(MouseEvent, self, "LeftMouseButton")	
	end
	return ret
end

function WBP_FittingItem:OnMouseButtonDown(MyGeometry, PointerEvent)
	--开始即时
	-- 检测当前是否可以执行操作
	self.bClickLeftButton = true
	return self.SuperClass:OnMouseButtonDown(MyGeometry, PointerEvent)
end

-- 当鼠标抬起来的时候
function WBP_FittingItem:OnMouseButtonUp(MyGeometry, InTouchEvent)
	-- 检查当前时间是否够了
	if UIManager.AllPanel[EUIType.Backpack]:GetOperateType() ~= EBagOperateType.None then
		-- 说明此时要进行操作了，此时发送具体数据
		EventSystem:SendEvent(EventType.SelectedItem, self.FittingData)
	else
		EventSystem:SendEvent(EventType.ShowItemDescribe, self.FittingData, false)
	end
	self:RestProperty()
end

function WBP_FittingItem:RestProperty()
	self.bFirstButtonClick = false
	self.bClickLeftButton = false
	self.PressTime = 0
	self.bStartMove = false
end

-- 开始触摸的时候
function WBP_FittingItem:OnTouchStarted(MyGeometry, InTouchEvent)
	self.bClickLeftButton = true
	return WidgetBlueprintLibrary.DetectDragIfPressed(InTouchEvent, self, "LeftMouseButton")
end

--结束触摸
function WBP_FittingItem:OnTouchEnded(MyGeometry, InTouchEvent)
	self.bClickLeftButton = false
	self.bFirstButtonClick = false
	self.PressTime = 0
end

function WBP_FittingItem:CloseWidget()
	self.CanvasPanel_Main:SetVisibility(ESlateVisibility.Collapsed)
end

function WBP_FittingItem:GetItemData()
	return self.FittingData
end

return WBP_FittingItem;