local ActorStartManager       = {};

--[[
Tag 说明
	Poison: 表示地图中心点，等于 MapCenter/Center 等
--]]

---@type table<int32, BP_ActorStart_C>
ActorStartManager.AllStarts   = {};
---@type table<string, table<int32, BP_ActorStart_C>>
ActorStartManager.TagStarts   = {};
---@type table<int32, BP_ActorStart_C>
ActorStartManager.NoTagStarts = {};
---@type table<string, table<int32, AActor>>
ActorStartManager.SpawnActors = {};

ActorStartManager.LoadType    = {
	SpawnActor   = 1;
	LoadAsPoison = 2,
}

ActorStartManager.LoadConfig  = {
	["Hold"]    = {
		Type = ActorStartManager.LoadType.SpawnActor,
		Func = function(Start)
			return UGCGameSystem.SpawnActor(GameState, ObjectPath.BP_HoldPoint, Start:K2_GetActorLocation(), Start:K2_GetActorRotation(), VectorHelper.MakeVector1(1), GameState);
		end
	},
	["Vehicle"] = {
		Type = ActorStartManager.LoadType.SpawnActor,
		Func = function(Start)
			local Index = Start.Index
			local Path  = nil;
			if VehicleTable.Car[Index] then
				Path = VehicleTable.Car[Index].Path;
			else
				Index = math.random(table.getCount(VehicleTable.Car));
				if VehicleTable.Car[Index] then
					Path = VehicleTable.Car[Index].Path
				end
			end
			if Path then
				return UGCVehicleSystem.SpawnVehicleNew(Path, Start:K2_GetActorLocation(), Start:K2_GetActorRotation(), true, true);
			end
			return nil;
		end,
	},
	["Poison"]  = {
		Type = ActorStartManager.LoadType.LoadAsPoison,
		Func = function(Start)
			-- 设置进去
			PoisonManager.MapCenterActors[Start.Index] = Start;
			-- 检查是否有 Holds
			UGCLogSystem.Log("[Poison] 执行")
			for i, Hold in pairs(Resources["TotalHoldPoint"]) do
				local Dis = VectorHelper.GetDistance2D(Hold, Start);
				if Dis < DefaultSettings.MaxStartCenterDis * 2 then
					Hold.CenterIndex = Start.Index;
				end
			end
		end
	},
	["Team"] = {
		Type = ActorStartManager.LoadType.LoadAsPoison,
		Func = function(Start)
			-- 说明是最初的玩家出生点，寻找一下
			if Resources["InitTeamStart"] == nil then Resources["InitTeamStart"] = {}; end
			Resources["InitTeamStart"][Start.Index] = Start;
			UGCLogSystem.LogTree(string.format("InitTeamStart ="), Resources["InitTeamStart"]);
		end
	}
}

-- 当选择了地图中心点之后
function ActorStartManager:OnSelectMapCenter(InCenterIndex, InCenter)

end

function ActorStartManager:OnMapLoadComplete()
	-- 加载地图上的所有 ActorStart
	if IsServer then
		UGCLogSystem.Log("[ActorStartManager:OnMapLoadComplete] 开始加载")
		if #self.AllStarts == 0 then
			self.NoTagStarts = {};
			self.AllStarts   = {};
			self.TagStarts   = {};
			self:ClearAllActors();
			ObjectPath.AddFunc("BP_ActorStart", function(TargetClass)
				UE.FindActorsByClass(TargetClass, self.AllStarts);
				self.TagStarts = {};
				for _, Start in pairs(self.AllStarts) do
					-- 针对不同的
					if Start.Tags:Num() == 0 then
						-- 加载到 NoTagStarts
						table.insert(self.NoTagStarts, Start);
					else
						for i, Tag in pairs(Start.Tags) do
							--Tag = string.lower(Tag); -- 全部转换成小写
							if self.TagStarts[Tag] == nil then self.TagStarts[Tag] = {}; end
							table.insert(self.TagStarts[Tag], Start);
						end
					end
				end
				self:SpawnAllActors();
			end);
		end
	end
end

function ActorStartManager:SpawnAllActors()
	for Tag, Starts in pairs(self.TagStarts) do self:SpawnActorsByTag(Tag); end
	UGCLogSystem.LogTree(string.format("[ActorStartManager:SpawnAllActors] SpawnActors ="), self.SpawnActors)
end

function ActorStartManager:SpawnActorsByTag(Tag)
	local Starts = self.TagStarts[Tag];
	if table.isEmpty(Starts) then return ; end
	for _, Start in pairs(Starts) do
		local Config = self.LoadConfig[Tag];
		if Config ~= nil then
			if Config.Type == self.LoadType.SpawnActor then
				local Actor = Config.Func(Start);
				if Actor then
					if self.SpawnActors[Tag] == nil then self.SpawnActors[Tag] = {}; end
					table.insert(self.SpawnActors[Tag], Actor);
				else
					UGCLogSystem.Log("[ActorStartManager:SpawnActorsByTag] 无法加载 Tag = %s 的 Class", Tag);
				end
			else
				Config.Func(Start);
			end
		else
			UGCLogSystem.Log("[ActorStartManager:SpawnActorsByTag] 无法找到 Tag = %s 的配置", Tag)
		end
	end
end

function ActorStartManager:ClearActorsByTag(Tag)
	if self.SpawnActors[Tag] then
		for i, v in pairs(self.SpawnActors[Tag]) do v:K2_DestroyActor(); end
	end
	self.SpawnActors[Tag] = {};
end

function ActorStartManager:RespawnActorsByTag(Tag)
	self:ClearActorsByTag();
	self:SpawnActorsByTag(Tag);
	UGCLogSystem.LogTree(string.format("[ActorStartManager:RespawnActorsByTag] Tag = %s, SpawnActors", Tag), self.SpawnActors[Tag])
end

function ActorStartManager:ClearAllActors()
	for Tag, ActorList in pairs(self.SpawnActors) do
		for _, Start in pairs(ActorList) do
			Start:K2_DestroyActor();
		end
	end
	self.SpawnActors = {};
end

return ActorStartManager;