---@class WB_SelectParts_C:UUserWidget
---@field HorizontalBox_Buttons UHorizontalBox
---@field WrapBox_Items UWrapBox
--Edit Below--
---@type WB_SelectParts_C
local WB_SelectParts           = { bInitDoOnce = false; };

WB_SelectParts.WeaponPartTypes = {};

function WB_SelectParts:Construct()
	self:LuaInit();
end

function WB_SelectParts:LuaInit()
	if self.bInitDoOnce then return; end
	self.bInitDoOnce = true;
	self.WrapBox_Items:SetVisibility(ESlateVisibility.Collapsed);
	-- 设置第一个是无
	
	UGCEventSystem.AddListener(EventTypes.PlayerChangeWeapon, self.OnPlayerChangeWeapon, self)
	
	UITool.ForeachAllChildren(self.WrapBox_Items, function(index, Widget)
		Widget:LuaInit();
		Widget:Init(self, self.OnClickItem);
		Widget:SetAsNone(index == 1);
		Widget:SetSelect(false);
	end)
	
	UITool.ForeachAllChildren(self.HorizontalBox_Buttons, function(index, Widget)
		Widget:SetSelect(false);
		Widget:Init(self, self.OnClickPartItem);
	end);
end

WB_SelectParts.AllPartItems = {};

function WB_SelectParts:SetType(PartType)
	self.WeaponPartTypes = PartType;
	UITool.AdaptChildren(self.HorizontalBox_Buttons, #PartType, ObjectPath.WB_SelectPartButton, function(Widget)
		Widget:Init(self, self.OnClickPartItem);
	end);
	-- 看看有几个
	for i = 1, #PartType do
		local Item = self.HorizontalBox_Buttons:GetChildAt(i - 1);
		Item:SetPartType(PartType[i]);
		-- 进行加载
		self.AllPartItems[PartType[i]] = Item;
	end
end

function WB_SelectParts:OnClickOpen()
	-- 检查当前武器
	if self.WrapBox_Items:IsVisible() then
		self.WrapBox_Items:SetVisibility(ESlateVisibility.Collapsed);
	else
		self.WrapBox_Items:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
	end
end

function WB_SelectParts:GetCurrPartType()
	if self.PartTypeItem then
		return self.PartTypeItem:GetPartType();
	end
	return nil;
end

--WB_SelectParts.ReplacePartInfo = nil;
WB_SelectParts.CurrWeapon = nil;

-- 当玩家换武器的时候调用
function WB_SelectParts:OnPlayerChangeWeapon(InPawn, slot, InWeapon)
	-- 检查当前用的是什么东西
	local Pawn = UGCGameSystem.GetPlayerPawnByPlayerKey(LocalPlayerKey);
	if InPawn ~= Pawn then return ; end
	self:HideAllChildren();
	self:HideAllPartButton(true);
	if InWeapon == nil or not UE.IsValid(InWeapon) then
		InWeapon = UGCWeaponManagerSystem.GetCurrentWeapon(Pawn);
		if InWeapon == nil then return ; end
	end
	
	-- 检查当前有哪些槽位
	local HasSame, SameTypes = self:CheckHasSomeType(InWeapon)
	if not HasSame then
		self:SetVisibility(ESlateVisibility.Collapsed);
		return ;
	end
	UGCLogSystem.LogTree(string.format("[WB_SelectParts:OnPlayerChangeWeapon] SameTypes ="), SameTypes)
	self:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
	for i, v in pairs(self.WeaponPartTypes) do
		if SameTypes[v] == nil and self.AllPartItems[v] then
			self.AllPartItems[v]:SetVisibility(ESlateVisibility.Collapsed);
		else
			self.AllPartItems[v]:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
		end
	end
	
	self.CurrWeapon = InWeapon;
	if self.WrapBox_Items:IsVisible() then
		if self.PartTypeItem ~= nil then
			self:OnUpdatePartList(self.CurrWeapon, self.PartTypeItem:GetPartType());
		end
	else
		if self.PartTypeItem then
			self.PartTypeItem:SetSelect(false);
			self.PartTypeItem = nil;
		end
	end
end

---@param InWeapon ASTExtraWeapon
function WB_SelectParts:CheckHasSomeType(InWeapon)
	if InWeapon == nil or not UE.IsValid(InWeapon) then return false; end
	local ItemId        = InWeapon:GetWeaponItemID()
	local HaveSameTypes = false;
	local SameTypes     = {};
	if table.isEmpty(WeaponSuits[ItemId]) then return false; end
	for i, v in pairs(self.WeaponPartTypes) do
		if not table.isEmpty(WeaponSuits[ItemId][v]) then SameTypes[v] = 1; end
	end
	return not table.isEmpty(SameTypes), SameTypes;
end

--- 更新列表
function WB_SelectParts:OnUpdatePartList(InWeapon, InPartType)
	self:HideAllChildren();
	if InWeapon == nil or not UE.IsValid(InWeapon) then return ; end
	local ItemId = InWeapon:GetWeaponItemID();
	if ItemId == nil then return ; end
	UGCLogSystem.Log("[WB_SelectParts:OnPlayerChangeWeapon] ItemId = %d", ItemId);
	-- 关闭所有
	if table.isEmpty(WeaponSuits[ItemId]) then
		return ;
	end
	local List = WeaponSuits[ItemId][InPartType];
	if table.isEmpty(List) then return ; end
	UITool.AdaptChildren(self.WrapBox_Items, table.getCount(List) + 1, ObjectPath.WB_SelectPartItem, function(Widget)
		Widget:Init(self, self.OnClickItem);
	end);
	local PartId = self:CheckWeaponIdUsedPart(InWeapon, InPartType);
	for i = 1, #List do
		local Item = self.WrapBox_Items:GetChildAt(i);
		Item:SetPartId(List[i]);
		Item:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
		if PartId == List[i] then
			Item:SetSelect(true);
			self.CurrItem = Item;
		else
			Item:SetSelect(false);
		end
	end
	if PartId == nil then
		self.WrapBox_Items:GetChildAt(0):SetSelect(true);
	end
	self.WrapBox_Items:GetChildAt(0):SetVisibility(ESlateVisibility.SelfHitTestInvisible);
end

-- 检查武器使用的是什么东西
function WB_SelectParts:CheckWeaponIdUsedPart(InWeapon, InPartType)
	local Item = ItemTool.GetDefineIDBySocketType(InWeapon, ItemTool.GetWeaponAttachmentSocketType(InPartType));
	if Item then return Item.TypeSpecificID; end
	return nil;
end

WB_SelectParts.CurrItem = nil;

function WB_SelectParts:HideAllChildren()
	UITool.HideAllChildren(self.WrapBox_Items);
	if self.CurrItem ~= nil then
		self.CurrItem:SetSelect(false);
		self.CurrItem = nil;
	end
end

function WB_SelectParts:HideAllPartButton(IsHide)
	UITool.ForeachAllChildren(self.HorizontalBox_Buttons, function(index, Widget)
		if IsHide then
			Widget:SetVisibility(ESlateVisibility.Collapsed);
		else
			Widget:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
		end
	end)
end

function WB_SelectParts:OnClickItem(InItem)
	if self.CurrItem ~= InItem then
		if self.CurrItem then self.CurrItem:SetSelect(false); end
		self.CurrItem = InItem;
		self.CurrItem:SetSelect(true);
	end
	self:OnClickOpen();
end

WB_SelectParts.PartTypeItem = nil;

function WB_SelectParts:OnClickPartItem(InItem)
	if self.PartTypeItem ~= InItem then
		if self.PartTypeItem then self.PartTypeItem:SetSelect(false); end
		UITool.ForeachAllChildren(self.WrapBox_Items, function(index, Widget)
			Widget:ClearPartId();
		end);
		self.PartTypeItem = InItem;
		self.PartTypeItem:SetSelect(true);
		self:OnUpdatePartList(self.CurrWeapon, self.PartTypeItem:GetPartType());
		self.WrapBox_Items:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
	else
		self:OnClickOpen();
	end
end

-- function WB_SelectParts:Tick(MyGeometry, InDeltaTime)

-- end

-- function WB_SelectParts:Destruct()

-- end

return WB_SelectParts;