PoisonManager             = {};

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

---@type PoisonConfigItem[]
PoisonManager.ConstConfig       = {
	{
		delaytime          = 8,
		SafeZoneAppeartime = 30,
		lasttime           = 2*60,
		blueradius         = 7500,
		whiteradius        = 6500,
		pain               = 3,
	},
	{
		delaytime          = 20,
		SafeZoneAppeartime = 30,
		lasttime           = 40,
		blueradius         = 6500,
		whiteradius        = 5000,
		pain               = 5,
	},
	--{
	--	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
	self.MapCenterActors = {};
	local AllActors      = {};
	if ObjectPath.BP_ActorStart then
		UGCLogSystem.Log("[PoisonManager:Init] ObjectPath.BP_ActorStart = %s", UE.GetName(ObjectPath.BP_ActorStart));
	end
	
	UE.FindActorsByClass(ObjectPath.BP_ActorStart, AllActors, function(InIndex, InActor)
		return InActor:ActorHasTag("Poison");
	end);
	for i, v in pairs(AllActors) do
		self.MapCenterActors[v.Index] = v;
	end
	UGCLogSystem.LogTree(string.format("[PoisonManager:Init] self.MapCenterActors ="), self.MapCenterActors)
	
	--- 加载 BP_radiation
	local Path = '/Game/BluePrints/Environment/BP_radiation.BP_radiation_C';
	UE.AsyncLoadClass_Cached(Path, function(TargetClass)
		self.RadiationActor = UE.FindActorByClass(TargetClass);
	end);
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)];
	end
	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
	if table.isEmpty(self.MapCenterActors) then return; 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

PoisonManager.RadiationActor = nil;

function PoisonManager:GetRadiationActor()
	if self.RadiationActor == nil then
		self.RadiationActor = UE.FindActorByClass(ObjectPath.BP_radiation);
	end
	return self.RadiationActor;
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;