local PoisonManager             = {};

-- 该数值是在 GameMode->DataManager->DataSources 中配置的；
PoisonManager.PoisonConfigIndex = 7;

---@type PoisonConfigItem[]
PoisonManager.ConstConfig       = {
	{
		delaytime          = 8,
		SafeZoneAppeartime = 30,
		lasttime           = 40,
		blueradius         = 250 * 100,
		whiteradius        = 235 * 100,
		pain               = 1.5,
	},
	--{
	--	delaytime          = 20,
	--	SafeZoneAppeartime = 30,
	--	lasttime           = 40,
	--	blueradius         = 6500,
	--	whiteradius        = 5000,
	--	pain               = 3,
	--},
};

---@type table<int32, AActor>
PoisonManager.MapCenterActors   = {};
PoisonManager.SelectCenterIndex = 0;
PoisonManager.CenterActor       = nil;

--- 选择地图之后，执行
function PoisonManager:Init()
	if table.isEmpty(self.MapCenterActors) then
		-- 如果为空，重新加载一遍
		UGCLogSystem.Log("[PoisonManager:Init] 重新加载一边")
		ActorStartManager:OnMapLoadComplete();
	end
	if table.isEmpty(self.MapCenterActors) then return; end
	UGCLogSystem.LogTree(string.format("[PoisonManager:Init] self.MapCenterActors ="), self.MapCenterActors)
end

--- 选择一个地图中心点进行刷圈
function PoisonManager:SelectMapCenter()
	self:Clear();
	
	-- 从中选取一个
	self.Config = TableHelper.DeepCopyTable(self.ConstConfig);
	-- 选取一个
	if table.isEmpty(self.MapCenterActors) then
		self:Init();
		if table.isEmpty(self.MapCenterActors) then
			UGCLogSystem.Log("[PoisonManager:SelectMapCenter] 加载不到地图中心点")
			return ;
		end
	end
	
	local Keys = {};
	for i, v in pairs(self.MapCenterActors) do table.insert(Keys, i); end
	self.SelectCenterIndex = table.func(GlobalMiniMode, "SelectMapCenter", self.MapCenterActors);
	if self.SelectCenterIndex == nil then
		self.SelectCenterIndex = Keys[math.random(#Keys)];
		GameState:SetCenterIndex(self.SelectCenterIndex);
	end
	self.CenterActor = self.MapCenterActors[self.SelectCenterIndex];
	-- 现在是确定了的地图中心
	PluginManager:OnSelectMapCenter(self.SelectCenterIndex, self.CenterActor);
	
	local Center    = self.MapCenterActors[self.SelectCenterIndex];
	local CenterLoc = Center:K2_GetActorLocation();
	
	for i = 1, #self.Config do
		local ConfigItem     = self.Config[i];
		local CirCleCfg      = self:CreateNewCirCleCfg()
		ConfigItem.bluepoint = VectorHelper.ToLuaTable2D(CenterLoc);
		local MinCenter      = nil;
		if DefaultSettings.RandomPoison then
			MinCenter = math.randomCircleInCircle(CenterLoc, ConfigItem.blueradius, ConfigItem.whiteradius);
		else
			MinCenter = VectorHelper.ToLuaTable2D(CenterLoc);
		end
		for Index, config in pairs(ConfigItem) do
			CirCleCfg[Index] = config;
		end
		CirCleCfg.bUseCustomBluePoint  = true;
		CirCleCfg.bUseCustomWhitePoint = true;
		CirCleCfg.whitepoint           = MinCenter;
		UGCGameSystem.GameMode.DataManager.DataSources[self.PoisonConfigIndex].CircleConfigs:Add(CirCleCfg);
		CenterLoc = MinCenter;
	end
	
	UGCLogSystem.Log("[PoisonManager:SelectMapCenter] self.SelectCenterIndex = %d", self.SelectCenterIndex)
end

--- 游戏正式开始的时候调用
function PoisonManager:Toggle(Enable)
	UGCLogSystem.Log("[PoisonManager:Toggle] 启动")
	if Enable then self:SelectMapCenter(); end
	UGCBlueprintFunctionLibrary.TogglePoisonCircle(GameState, Enable);
end

function PoisonManager:GetSelectMapIndex()
	return self.SelectCenterIndex;
end

function PoisonManager:Clear()
	UGCGameSystem.GameMode.DataManager.DataSources[self.PoisonConfigIndex].CircleConfigs:Empty();
	UGCLogSystem.Log("[PoisonManager:Clear] 清空")
end

function PoisonManager:GetRadiationActor()
	return GameState:GetRadiationActor();
end

--- 判断一个 Actor 是否在圈内
---@param InActor AActor
function PoisonManager:IsActorInCircle(InActor)
	if self:GetRadiationActor() == nil then return end
	local Dis   = VectorHelper.GetActorDis2D(self:GetRadiationActor(), InActor)
	local Scale = self:GetRadiationActor():GetActorScale3D().X
	return Dis / 100 <= Scale;
end

function PoisonManager:CreateNewCirCleCfg()
	return UE.CreateStruct("CirCleCfg");
end

return PoisonManager;