---@class WBP_SelectDifficultyPanel_C:UUserWidget
---@field CanvasPanel_Area UCanvasPanel
---@field CanvasPanel_Main UCanvasPanel
---@field HorizontalBox_RemainTime UHorizontalBox
---@field ScrollBox_Range UScrollBox
---@field TextBlock_RemainTime UTextBlock
---@field TextBlock_SelectDifficultyTip UTextBlock
---@field TextBlock_Total UTextBlock
---@field UniformGridPanel_Items UUniformGridPanel
---@field WBP_WidgetHeader UWBP_WidgetHeader_C
--Edit Below--
local WBP_SelectDifficultyPanel = {
	bInitDoOnce = false;
	GridItemWidgetClass = nil;		-- 难度项的类
	RangeItemClass = nil;			-- Range 项的类
	MaxDifficulty = 0;				-- 最高难度
	SelectDifficulty = 0;			-- 是否选择过难度
	TotalRangeNum = 0;				-- 当前 Range Item 个数
	RecommendLevel = 0; 			-- 推荐等级
	CurrentRangeNum = 0;
	HadShow         = false;        -- 是否显示过
};

function WBP_SelectDifficultyPanel:Construct()
	WBP_SelectDifficultyPanel.SuperClass.Construct(self)
	self.WBP_WidgetHeader.UIType = EUIType.SelectDifficulty

	self.WBP_WidgetHeader.bIsCloseUITypeUI = false;
	self.WBP_WidgetHeader.CloseUIFunc = function()
		UIManager:GetPanel(EUIType.SelectDifficulty):CloseOtherWidget()
	end
    self.WBP_WidgetHeader:Construct()

	self.ScrollBox_Range:ClearChildren()
	self.GridItemWidgetClass = UE.LoadClass(UGCGameSystem.GetUGCResourcesFullPath('Asset/UI/ChildWidgets/WBP_DifficultyItem.WBP_DifficultyItem_C'))
	self.RangeItemClass = UE.LoadClass(UGCGameSystem.GetUGCResourcesFullPath('Asset/UI/ChildWidgets/WBP_DifficultyRangeItem.WBP_DifficultyRangeItem_C'))
	
	self:SetMaxDifficulty(66);
	self.TextBlock_Total:SetText(string.format(""))
	EventSystem:AddListener(EventType.PlayerDifficultySelectionChanged, self.OnPlayerDifficultySelectionChange, self)
	EventSystem:AddListener(EventType.OnGameReadyStageRemainTimeChanged, self.OnGameReadyStageRemainTimeChange, self)
	
	--self.UniformGridPanel_Items:ClearChildren()
	--for i = 1, 10 do
	--	local Widget = UserWidget.NewWidgetObjectBP(UGCGameSystem.GameState, self.GridItemWidgetClass)
	--	local Slot = self.UniformGridPanel_Items:AddChildToUniformGrid(Widget)
	--	Slot:SetColumn(0)
	--	Slot:SetRow(i - 1)
	--end
end

function WBP_SelectDifficultyPanel:OnShowPanel(...)
	self.HadShow = true;
end

-- 关闭除了倒计时的其他页面
function WBP_SelectDifficultyPanel:CloseOtherWidget()
	self.CanvasPanel_Main:SetVisibility(ESlateVisibility.Collapsed);
	self.TextBlock_SelectDifficultyTip:SetVisibility(ESlateVisibility.Collapsed)
end

-- function WBP_SelectDifficultyPanel:Tick(MyGeometry, InDeltaTime)

-- end

function WBP_SelectDifficultyPanel:Destruct()
	EventSystem:RemoveListener(EventType.PlayerDifficultySelectionChanged, WBP_SelectDifficultyPanel.OnPlayerDifficultySelectionChange, self)
	EventSystem:RemoveListener(EventType.OnGameReadyStageRemainTimeChanged, WBP_SelectDifficultyPanel.OnGameReadyStageRemainTimeChange, self)
end

function WBP_SelectDifficultyPanel:OnGameReadyStageRemainTimeChange(RemainTime)
	if RemainTime <= 0 then
        self.HorizontalBox_RemainTime:SetVisibility(ESlateVisibility.Collapsed)
    else
        self.HorizontalBox_RemainTime:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
        self.TextBlock_RemainTime:SetText(tostring(RemainTime))
    end
end

function WBP_SelectDifficultyPanel:SetMaxDifficulty(InNum)
	self.TotalRangeNum = (InNum + 9) // 10
	self.MaxDifficulty = InNum
	for i = 1, self.TotalRangeNum do
		if UE.IsValid(self.RangeItemClass) and UE.IsValid(UGCGameSystem.GameState) then
			local RangeItem =  UserWidget.NewWidgetObjectBP(UGCGameSystem.GameState, self.RangeItemClass)
			self.ScrollBox_Range:AddChild(RangeItem)
			RangeItem:SetRangeNum(i, self.MaxDifficulty)
			RangeItem:SetIsClick(false)
		end
	end
	
	self:GetRecommendLevel()
end

function WBP_SelectDifficultyPanel:GetRecommendLevel()
	-- 获取存档数据，然后检查之前玩过的局数，可解锁的局数 = 通关过的局数 + 1
	local PS = GameDataManager.GetLocalPlayerState()
	if table.getCount(PS.ArchiveData.PlayedGames) > 0 then
		-- i: 难度；v: 局数
		local MaxDiff = 0
		for i, v in pairs(PS.ArchiveData.PlayedGames) do
			if i > MaxDiff and v > 0 then
				MaxDiff = i
			end
		end
		self.RecommendLevel = MaxDiff + 1
	else
		self.RecommendLevel = 1
	end
	
	-- 设置 Range Num过去
	self:SetRangeNum((self.RecommendLevel + 9) // 10)
end

function WBP_SelectDifficultyPanel:SetRangeNum(InNum)
	print(string.format('[WBP_SelectDifficultyPanel:SetRangeNum] Num = %d', InNum))
	if self.CurrentRangeNum == InNum then
		return
	end
	self.CurrentRangeNum = InNum
	if InNum == self.TotalRangeNum then
		for i = 1, 10 - self.MaxDifficulty % 10 do
			self.UniformGridPanel_Items:GetChildAt(10 - i):SetVisibility(ESlateVisibility.Hidden)
		end
	else
		for i = 1, 10 do
			self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisibility(ESlateVisibility.SelfHitTestInvisible)
		end
	end
	
	for i = 1, 10 do
		if self.UniformGridPanel_Items:GetChildAt(i - 1):GetVisibility() == ESlateVisibility.SelfHitTestInvisible then
			local Difficult = (InNum - 1) * 10 + i
			self.UniformGridPanel_Items:GetChildAt(i - 1):SetDifficulty(Difficult)
		end
	end
	
	-- 显示状态
	-- 判断最小的是否大于值
	if (InNum - 1) * 10 + 1 > self.RecommendLevel then
		for i = 1, 10 do
			self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisualType(0)
		end
	elseif InNum * 10 < self.RecommendLevel then -- 判断最大的是否小于值
		for i = 1, 10 do
			self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisualType(1)
		end
	else --就是在中间
		for i = 1, 10 do
			local Val = self.UniformGridPanel_Items:GetChildAt(i - 1).Difficulty
			if Val <= self.RecommendLevel then
				self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisualType(1)
			else
				self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisualType(0)
			end
		end
	end
	
	-- 找到自己选择的 难度
	if self.SelectDifficulty ~= 0 then
		if (InNum - 1) * 10 + 1 <= self.SelectDifficulty and self.SelectDifficulty <= InNum * 10 then
			for i = 1, 10 do
				if self.UniformGridPanel_Items:GetChildAt(i - 1).Difficulty == self.SelectDifficulty then
					self.UniformGridPanel_Items:GetChildAt(i - 1):SetVisualType(2)
					break
				end
			end
		end
	end
end

function WBP_SelectDifficultyPanel:SetCurrentDifficulty(InNum)
	print(string.format('[WBP_SelectDifficultyPanel:SetCurrentDifficulty] 选择的难度 = %d', InNum))
	self.SelectDifficulty = InNum
	-- 设置当前的选项
	local PC = GameDataManager.GetLocalPlayerController()
    UnrealNetwork.CallUnrealRPC(PC, PC, "ServerRPC_SelectGameDifficulty", InNum)
end

function WBP_SelectDifficultyPanel:OnPlayerDifficultySelectionChange(InData)
	-- 直接显示在最上面的文本框中
	if table.getCount(InData) == 0 then
		return
	end
	-- i：难度，v：票数
	local ToText = ''
	for i, v in pairs(InData) do
		ToText = ToText .. '难度'..tostring(i)..': '.. tostring(v) .. '\t'
	end
	self.TextBlock_Total:SetText(ToText)
end

return WBP_SelectDifficultyPanel;