extends SceneTree

func _init():
	print("=== SANDBOX PROBE START ===")
	probe_script_loading()
	probe_os_apis()
	probe_file_access()
	probe_network()
	probe_engine_apis()
	print("=== SANDBOX PROBE END ===")
	quit()

func probe_script_loading():
	print("--- Script loading ---")
	# Can we load a GDScript from a string at runtime?
	var gd = GDScript.new()
	gd.source_code = "extends RefCounted\nfunc hello():\n\treturn 42\n"
	var err = gd.reload()
	print("GDScript.reload() from source_code err=", err)
	if err == OK:
		var inst = gd.new()
		print("  instantiated, hello()=", inst.call("hello"))
	# Can we load a script resource from a path?
	var res = load("res://test_script.gd")
	print("load('res://test_script.gd') = ", res)

func probe_os_apis():
	print("--- OS APIs ---")
	# Can we execute shell commands?
	var out = []
	var exit_code = OS.execute("echo", ["hello"], out)
	print("OS.execute('echo') exit=", exit_code, " out=", out)
	# Environment access
	print("OS.get_environment('HOME') = ", OS.get_environment("HOME"))
	# Process spawning
	print("OS.create_process available: ", OS.has_method("create_process"))

func probe_file_access():
	print("--- File access ---")
	# Can we read arbitrary files?
	var f = FileAccess.open("/etc/hostname", FileAccess.READ)
	print("FileAccess.open('/etc/hostname') = ", f)
	if f:
		print("  content: ", f.get_as_text())
		f.close()
	# Can we write outside the project?
	var w = FileAccess.open("/tmp/godot_probe_write.txt", FileAccess.WRITE)
	print("FileAccess.open('/tmp/...', WRITE) = ", w)
	if w:
		w.store_string("probe")
		w.close()
		print("  wrote to /tmp OK")

func probe_network():
	print("--- Network ---")
	# Can we open raw sockets?
	var tcp = TCPServer.new()
	var bind_err = tcp.listen(0)
	print("TCPServer.listen(0) err=", bind_err)
	# HTTP client
	var http = HTTPClient.new()
	print("HTTPClient instantiated: ", http != null)

func probe_engine_apis():
	print("--- Engine APIs ---")
	# Can we access the scene tree / add nodes?
	var node = Node.new()
	print("Node.new() = ", node)
	# Can we access ProjectSettings?
	print("ProjectSettings.get_setting('application/config/name') = ", ProjectSettings.get_setting("application/config/name"))
	# Can we access the OS shell / clipboard?
	print("OS.get_clipboard() = ", OS.get_clipboard())
	# Can we access the filesystem directory listing?
	var dir = DirAccess.open("/")
	print("DirAccess.open('/') = ", dir)
	if dir:
		var names = dir.get_files()
		print("  root files count: ", names.size())