---@class WBP_WeaponFittingList_C:UUserWidget
---@field REINST_WBP_WeaponFittingItem_C_0 UWBP_WeaponFittingItem_C
---@field REINST_WBP_WeaponFittingItem_C_1 UWBP_WeaponFittingItem_C
---@field REINST_WBP_WeaponFittingItem_C_2 UWBP_WeaponFittingItem_C
---@field REINST_WBP_WeaponFittingItem_C_3 UWBP_WeaponFittingItem_C
---@field VerticalBox_WidgetList UDynaVerticalBox
---@field WBP_WeaponFittingItem UWBP_WeaponFittingItem_C
---@field WBP_WeaponFittingItem_0 UWBP_WeaponFittingItem_C
---@field WBP_WeaponFittingItem_1 UWBP_WeaponFittingItem_C
---@field WBP_WeaponFittingItem_2 UWBP_WeaponFittingItem_C
--Edit Below--
local WBP_WeaponFittingList = { bInitDoOnce = false; };

-- 这里传入的是一个具体的列表{{id, count}, {id, count}, ...}
function WBP_WeaponFittingList:SetFittingListData(InDataArr)
	for i = 1, 4 do
		-- 通过 Id 进行数据获取
		if i <= #InDataArr then
			self:SetFittingListItemData(i, InDataArr[i])
		else
			self:CloseItemWidget(i)
		end
	end
end

function WBP_WeaponFittingList:SetFittingListItemData(InNum, InData)
	local Widget = self:GetItemByIndex(InNum)
	Widget:SetFittingItemData(InData)
end

function WBP_WeaponFittingList:CloseItemWidget(InNum)
	local Widget = self:GetItemByIndex(InNum)
	Widget:CloseWidget()
end

function WBP_WeaponFittingList:GetItemByIndex(InIndex)
	return self.VerticalBox_WidgetList:GetChildAt(InIndex - 1)
end

function WBP_WeaponFittingList:Clear()
	for i = 1, self.VerticalBox_WidgetList:GetChildrenCount() do
		self:CloseItemWidget(i)
	end
end

function WBP_WeaponFittingList:Tick(MyGeometry, InDeltaTime)
	print(string.format("[WBP_WeaponFittingList:Tick] 列表组件执行 Tick"))
end

-- function WBP_WeaponFittingList:Destruct()

-- end

function WBP_WeaponFittingList:GetListItems()
	local ret = {}
	for i = 1, 4 do
		table.insert(ret, self.VerticalBox_WidgetList:GetChildAt(i - 1))
	end
	return ret
end

-- {{ItemID, ItemCount}, {ItemID, ItemCount}}
function WBP_WeaponFittingList:SetItemListData(InData)
	-- 将所有的都设置为空
	self:Clear()
	if InData == nil or #InData == 0 then
		return
	else
		for i = 1, self.VerticalBox_WidgetList:GetChildrenCount() do
			if i <= #InData then
				self.VerticalBox_WidgetList:GetChildAt(i - 1):SetFittingItemData(InData[i])
			end
		end
	end
end

--
function WBP_WeaponFittingList:OnDrop(MyGeometry, PointerEvent, Operation)
	local ItemData = Operation:GetItemData()
	local Type = Operation:GetDropItemType()
	if Type == EItemDropType.CancelGenerate then
		EventSystem:SendEvent(EventType.CloseGenerateItem, ItemData.ItemID)
	else
		return
	end
end

return WBP_WeaponFittingList;