---@class WBP_GenerateInfo_C:UUserWidget
---@field Button_Cancel UButton
---@field Button_Ok UButton
---@field VerticalBox_ItemList UVerticalBox
--Edit Below--
local WBP_GenerateInfo = { 
	bInitDoOnce = false; 
	SelectedItems = {}, -- 这里面只是几个Id
	OwningPawn = nil,
};

function WBP_GenerateInfo:Construct()
	EventSystem:AddListener(EventType.CloseGenerateItem, WBP_GenerateInfo.OnCancelGenerateItem, self)
	self.Button_Ok.OnClicked:Add(WBP_GenerateInfo.OnClickOk, self)
	self.Button_Cancel.OnClicked:Add(WBP_GenerateInfo.OnClickCancel, self)
	for i = 1, 3 do
		self.VerticalBox_ItemList:GetChildAt(i - 1):SetVisibility(ESlateVisibility.Collapsed)
	end
end

-- function WBP_GenerateInfo:Tick(MyGeometry, InDeltaTime)

-- end

function WBP_GenerateInfo:Destruct()
	EventSystem:RemoveListener(EventType.CloseGenerateItem, WBP_GenerateInfo.OnCancelGenerateItem, self)
	self.Button_Ok.OnClicked:Remove(WBP_GenerateInfo.OnClickOk, self)
	self.Button_Cancel.OnClicked:Remove(WBP_GenerateInfo.OnClickCancel, self)
end

function WBP_GenerateInfo:OnClickOk()
	if #self.SelectedItems ~= 3 then
		UIManager:ShowGeneralNotice(string.format("当前选择的数量太少，无法进行合成"))
		return
	end
	-- 判断一下是否都是同样的东西（配件 / 技能）
	local PC = GameDataManager.GetLocalPlayerController()
	PC:GenerateItemList(self.SelectedItems)
	print(string.format('合成结束，检查一下'))
	UIManager.AllPanel[EUIType.Backpack]:CloseOperation(EBagOperateType.Generate)
	self:Clear()
end

function WBP_GenerateInfo:Clear()
	for i = 1, 3 do
		self.VerticalBox_ItemList:GetChildAt(i - 1):SetVisibility(ESlateVisibility.Collapsed)
	end
	self.SelectedItems = {}
end

function WBP_GenerateInfo:GetOwningBackpackComponent()
	local PlayerController = STExtraGameplayStatics.GetFirstPlayerController(self)
	if PlayerController then
		self.OwningPawn = PlayerController:GetPlayerCharacterSafety()
	end
end

function WBP_GenerateInfo:OnClickCancel()
	self:Clear()
	UIManager.AllPanel[EUIType.Backpack]:CloseOperation(EBagOperateType.Generate)
end

function WBP_GenerateInfo:OnCancelGenerateItem(InItemId)
	-- 查找一下
	local AttRemoveId = 0
	for i, v in pairs(self.SelectedItems) do
		if v == InItemId then
			AttRemoveId = i
		end
	end
	
	table.remove(self.SelectedItems, AttRemoveId)
	-- 刷新一下
	self:RefreshItems()
end

--当拖拽的时候放到的位置
function WBP_GenerateInfo:OnDrop(MyGeometry, PointerEvent, Operation)
	WBP_GenerateInfo.SuperClass:OnDrop(MyGeometry, PointerEvent, Operation)
	local ItemData = Operation:GetItemData()

	if ItemData ~= nil then
		self:AddItem(ItemData)
	end
end

function WBP_GenerateInfo:RemoveItem(InItemId)
	local RemoveIdIndex = 0
	print(string.format('[WBP_GenerateInfo:RemoveItem] 开始移除物品'))
	for i = 1, #self.SelectedItems do
		print(string.format('拥有的 Id == %d', self.SelectedItems[i]))
		if self.SelectedItems[i] == InItemId then
			RemoveIdIndex = i
			--break
		end
	end

	if RemoveIdIndex ~= 0 then
		table.remove(self.SelectedItems, RemoveIdIndex)
		print('[WBP_GenerateInfo:RemoveItem] 移除成功')
	else
		print(string.format('[WBP_GenerateInfo:RemoveItem] 未找到对应Id的，请检查 Id = %d', InItemId))
	end
	self:RefreshItems()
end

function WBP_GenerateInfo:CheckItemType(InItemId)
	local NewAddItemQuality =  GetItemQualityLevel(InItemId)
	local CurrentItemQuality = 0
	local bHadCheck = false
	if #self.SelectedItems > 0 then
		CurrentItemQuality = GetItemQualityLevel(self.SelectedItems[1])
		if CurrentItemQuality == NewAddItemQuality then
			bHadCheck = true
		else
			UIManager:ShowGeneralNotice(string.format("您选择的物品品质跟之前选择的不同，请选择相同品质的物品进行合成"))
		end
	else
		bHadCheck = true
	end

	if bHadCheck then
		if #self.SelectedItems > 0 then
			if GetItemGrantTypeById(InItemId) ~= GetItemGrantTypeById(self.SelectedItems[1]) then
				bHadCheck = false
				UIManager:ShowGeneralNotice(string.format("您选择的物品类型跟之前选择的不同，请选择相同类型的物品进行合成"))
			end
		end
	end
	
	return bHadCheck
end

function WBP_GenerateInfo:FindInnerCountById(InId)
	local TotalCount = 0
	for _, v in pairs(self.SelectedItems) do
		if InId == v then
			TotalCount = TotalCount + 1
		end
	end
	return TotalCount
end

function WBP_GenerateInfo:AddItem(ItemData)
	print('【WBP_GenerateInfo:AddItem】进入')
	
	if GetItemQualityLevel(ItemData.ItemID) >= EQualityType.Super then
		UIManager:ShowGeneralNotice("超级的物品无法合成", true)
		return
	end
	
	local Count = UIManager.AllPanel[EUIType.Backpack]:FindItemCountById(ItemData.ItemID)
	local HadAddCount = self:FindInnerCountById(ItemData.ItemID)

	local bHadCheck = self:CheckItemType(ItemData.ItemID)
	if not bHadCheck then
		return
	end
	if Count <= HadAddCount then
		--提示一下
		UIManager:ShowGeneralNotice(string.format("当前选择的数量已经足够了，无法继续添加"))
	else
		if table.getCount(self.SelectedItems) < 3 then
			--放进来
			table.insert(self.SelectedItems, ItemData.ItemID)
		--else
		--	UIManager:ShowGeneralNotice(string.format("当前已经满员了，请移除之后再添加"))
		end
	end

	self:RefreshItems()
end

function WBP_GenerateInfo:RefreshItems()
	for i = 1, 3 do
		if i <= #self.SelectedItems then
			self.VerticalBox_ItemList:GetChildAt(i - 1):SetGenerateData(self.SelectedItems[i])
			self.VerticalBox_ItemList:GetChildAt(i - 1):SetVisibility(ESlateVisibility.Visible)
		else
			self.VerticalBox_ItemList:GetChildAt(i - 1):SetVisibility(ESlateVisibility.Collapsed)
		end
	end
end

-- 获取当前将要合成的类型
function WBP_GenerateInfo:GetCurrentType()
	if #self.SelectedItems == 0 then
		return -1
	end
	
	return GetItemTypeByItemId(self.SelectedItems[1])
end

return WBP_GenerateInfo;