local PoisonManager             = {};

PoisonManager.PoisonConfigIndex = 6; -- 该数值是在 GameMode->DataManager->DataSources 中配置的

---@type PoisonConfigItem[]
PoisonManager.ConstConfig       = {
	{
		delaytime          = 8,
		SafeZoneAppeartime = 20,
		lasttime           = 20,
		blueradius         = 7500,
		whiteradius        = 3500,
		pain               = 1.5,
	},
	{
		delaytime          = 8,
		SafeZoneAppeartime = 10,
		lasttime           = 20,
		blueradius         = 3500,
		whiteradius        = 1500,
		pain               = 3,
	},
	{
		delaytime          = 5,
		SafeZoneAppeartime = 10,
		lasttime           = 12,
		blueradius         = 1500,
		whiteradius        = 500,
		pain               = 4.5,
	},
	{
		delaytime          = 5,
		SafeZoneAppeartime = 10,
		lasttime           = 15,
		blueradius         = 500,
		whiteradius        = 0,
		pain               = 6,
	},
};

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

--- 选择地图之后，执行
function PoisonManager:Init()
	-- 计算当前的位置
	UE.FindActorsByClass(ObjectPath.BP_ActorStart, self.MapCenterActors, function(InIndex, InActor)
		if InActor:ActorHasTag("Poison") then return InActor.Index; end
		return false;
	end);
	UGCLogSystem.LogTree(string.format("[PoisonManager:Init] self.MapCenterActors ="), self.MapCenterActors)
end

function PoisonManager:SelectMapCenter()
	self:Clear();
	
	-- 从中选取一个
	self.Config = TableHelper.DeepCopyTable(self.ConstConfig);
	-- 选取一个
	local Keys  = {};
	for i, v in pairs(self.MapCenterActors) do
		table.insert(Keys, i);
	end
	self.SelectCenterIndex = Keys[math.random(#Keys)];
	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 = math.randomCircleInCircle(CenterLoc, ConfigItem.blueradius, ConfigItem.whiteradius);
		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:CreateNewCirCleCfg()
	return UE.CreateStruct("CirCleCfg");
end

return PoisonManager;