extends Node
## 输入处理器测试
## Feature: godot-ai-town-game, Property 17: 设备类型检测

const TEST_ITERATIONS = 100

func _ready():
	print("\n=== InputHandler Tests ===")
	test_property_device_detection()
	test_keyboard_input()
	test_input_signals()
	print("=== All InputHandler tests completed ===\n")

## Feature: godot-ai-town-game, Property 17: 设备类型检测
func test_property_device_detection():
	"""
	属性测试：设备类型检测
	对于任意设备类型（桌面或移动），系统应该正确检测设备类型
	并应用相应的控制方案（键盘或触摸）
	"""
	print("\n[Property Test] Device Type Detection")
	
	var passed = 0
	var failed = 0
	
	for i in range(TEST_ITERATIONS):
		var input_handler = InputHandler.new()
		add_child(input_handler)
		
		await get_tree().process_frame
		
		# 获取检测到的设备类型
		var device_type = input_handler.get_device_type()
		
		# 验证设备类型是有效的
		var valid_device = device_type in [
			InputHandler.DeviceType.DESKTOP,
			InputHandler.DeviceType.MOBILE,
			InputHandler.DeviceType.UNKNOWN
		]
		
		if valid_device:
			passed += 1
		else:
			failed += 1
			print("  FAILED iteration ", i + 1)
			print("    Invalid device type: ", device_type)
		
		input_handler.queue_free()
		await get_tree().process_frame
	
	print("  Result: ", passed, "/", TEST_ITERATIONS, " passed")
	if failed > 0:
		print("  ❌ FAILED: ", failed, " iterations failed")
	else:
		print("  ✅ PASSED: All iterations successful")

## Feature: godot-ai-town-game, Property 11: 键盘输入响应
func test_keyboard_input():
	"""
	单元测试：键盘输入响应
	测试键盘输入是否正确转换为方向向量
	"""
	print("\n[Unit Test] Keyboard Input Response")
	
	var input_handler = InputHandler.new()
	add_child(input_handler)
	
	await get_tree().process_frame
	
	# 测试获取移动方向（在没有实际按键的情况下应该返回零向量）
	var direction = input_handler.get_move_direction()
	assert(direction == Vector2.ZERO, "Direction should be zero when no input")
	
	# 测试交互键（应该返回 false）
	var interact = input_handler.is_interact_pressed()
	assert(interact == false, "Interact should be false when not pressed")
	
	print("  ✅ PASSED: Keyboard input methods work correctly")
	
	input_handler.queue_free()
	await get_tree().process_frame

## 测试输入信号
func test_input_signals():
	"""
	单元测试：输入信号
	测试输入处理器是否正确发射信号
	"""
	print("\n[Unit Test] Input Signals")
	
	var signal_data = {
		"move_received": false,
		"interact_received": false,
		"device_received": false
	}
	
	var input_handler = InputHandler.new()
	
	# 在添加到场景树之前连接信号
	input_handler.move_input.connect(func(_dir): signal_data["move_received"] = true)
	input_handler.interact_input.connect(func(): signal_data["interact_received"] = true)
	input_handler.device_detected.connect(func(_dev): signal_data["device_received"] = true)
	
	add_child(input_handler)
	await get_tree().process_frame
	
	# 设备检测信号应该在初始化时已经发射
	assert(signal_data["device_received"], "Device detection signal should be emitted")
	
	print("  ✅ PASSED: Input signals work correctly")
	
	input_handler.queue_free()
	await get_tree().process_frame