local TextChatService = game:GetService("TextChatService")

local directChatParticipants = TextChatService:CanUsersDirectChatAsync(userId1, { userId2 })

-- 检查合格的参与者
if #directChatParticipants > 0 then
	local directChannel = Instance.new("TextChannel")
	directChannel.Parent = TextChatService
	for _, participant in directChatParticipants do
		directChannel:AddUserAsync(participant)
	end
	return directChannel
end

warn("无法创建 TextChannel。合格用户数量不足。")
return nil

-- 服务器脚本
local TextChatService = game:GetService("TextChatService")
local TeleportService = game:GetService("TeleportService")
local Players = game:GetService("Players")

local TARGET_PLACE_ID = 1234567890 -- 目标地点 ID

--[[
	存根的全宇宙服务器状态。
	实际上，这些数据可以使用 MemoryStore
	或其他后端系统进行存储和更新。

	示例结构：
	ActiveServers = {
		{
			serverId = "abc",
			accessCode = "reserved-server-code",
			groupUserCounts = {
				groupA = 12,
				groupB = 5
			}
		},
		{
			serverId = "def",
			accessCode = "reserved-server-code",
			groupUserCounts = {
				groupB = 8
			}
		}
	}
]]
local ActiveServers = {}

local function teleportPlayerToBestServer(player)
	local success, chatGroups = pcall(function()
		return TextChatService:GetChatGroupsAsync({ player })
	end)

	if not success or not chatGroups then
		warn("无法为玩家获取聊天组：", player.UserId)
		return
	end

	-- 收集玩家有资格的所有聊天组 ID
	local playerGroupIds = {}
	for _, group in ipairs(chatGroups) do
		for _, groupId in ipairs(group) do
			playerGroupIds[groupId] = true
		end
	end

	local bestServer = nil
	local bestUserCount = 0

	-- 选择具有最多兼容用户的服务器
	for _, server in ipairs(ActiveServers) do
		local compatibleUserCount = 0

		for groupId, userCount in pairs(server.groupUserCounts) do
			if playerGroupIds[groupId] then
				compatibleUserCount += userCount
			end
		end

		if compatibleUserCount > bestUserCount then
			bestUserCount = compatibleUserCount
			bestServer = server
		end
	end

	if not bestServer then
		warn("未找到适合的服务器给玩家：", player.UserId)
		return
	end

	local ok, err = pcall(function()
		TeleportService:TeleportToPrivateServer(
			TARGET_PLACE_ID,
			bestServer.accessCode,
			{ player }
		)
	end)

	if not ok then
		warn("传送失败：", err)
	end
end

Players.PlayerAdded:Connect(teleportPlayerToBestServer)