local HOST = "localhost"
local PORT = 9966
local findEmmyCoreDir = function()
	local home = os.getenv("USERPROFILE") or os.getenv("HOME")
	if not home or home == "" then
		return nil
	end
	local extRoot = home .. "\\.vscode\\extensions"
	local Directory = CS.System.IO.Directory
	if not Directory.Exists(extRoot) then
		return nil
	end
	local dirs = Directory.GetDirectories(extRoot, "tangzx.emmylua-*")
	local best
	for i = 0, dirs.Length - 1 do
		local d = dirs[i]
		if best == nil or best < d then
			best = d
		end
	end
	if not best then
		return nil
	end
	local dllDir = best .. "\\debugger\\emmy\\windows\\x64"
	if not Directory.Exists(dllDir) then
		return nil
	end
	return dllDir
end
local startEmmyDebugger = function()
	local dllDir = findEmmyCoreDir()
	if not dllDir then
		print("[EmmyLua] 未找到 tangzx.emmylua 扩展目录,跳过调试器初始化")
		return false
	end
	local dllPath = dllDir .. "\\emmy_core.dll"
	package.cpath = package.cpath .. ";" .. dllDir .. "\\?.dll"
	local loader, err = package.loadlib(dllPath, "luaopen_emmy_core")
	if not loader then
		print("[EmmyLua] loadlib 失败: " .. tostring(err))
		return false
	end
	local ok, dbg = pcall(loader)
	if not ok or dbg == nil then
		print("[EmmyLua] luaopen_emmy_core 调用失败: " .. tostring(dbg))
		return false
	end
	package.loaded.emmy_core = dbg
	local okListen, errListen = pcall(function()
		dbg.tcpListen(HOST, PORT)
	end)
	if not okListen then
		print(string.format("[EmmyLua] tcpListen %s:%d 失败: %s", HOST, PORT, tostring(errListen)))
		return false
	end
	print(string.format("[EmmyLua] 监听 %s:%d,VSCode 可随时 F5 连接(断点可随时增删/断线重连)", HOST, PORT))
	return true
end
startEmmyDebugger()
return {start = startEmmyDebugger}