@tool
extends Sprite2D
class_name InputItem

@export var input_action: String:
	set(value):
		input_action = value
		_on_input_action_set()

@export var detail_rate: float:
	set(value):
		detail_rate = value
		modulate.a = value

func _ready() -> void:
	if not Engine.is_editor_hint():
		SignalManager.input_device_change.connect(_on_input_device_change)

func _on_input_device_change() -> void:
	_on_input_action_set()

func _on_input_action_set():
	var actions = InputMap.get_actions()
	for action in actions:
		if not action == input_action:
			continue
		var events = InputMap.action_get_events(action)
		for event in events:
			if event is InputEventJoypadButton:
				if not Global.controller_type == Enum.EControllerType.Joypad:
					continue
				match event.button_index:
					JOY_BUTTON_A: frame = 1
					JOY_BUTTON_B: frame = 2
					JOY_BUTTON_X: frame = 3
					JOY_BUTTON_Y: frame = 4
					JOY_BUTTON_LEFT_STICK: frame = 5
					JOY_BUTTON_RIGHT_STICK: frame = 6
					JOY_BUTTON_LEFT_SHOULDER: frame = 7
					JOY_BUTTON_RIGHT_SHOULDER: frame = 8
					JOY_BUTTON_BACK: frame = 9
					JOY_BUTTON_START: frame = 10
					JOY_BUTTON_GUIDE: frame = 11
					_: continue
				return
			elif event is InputEventKey:
				if not Global.controller_type == Enum.EControllerType.Keyboard:
					continue
				match event.physical_keycode:
					KEY_F1: frame = 12
					KEY_F2: frame = 13
					KEY_F3: frame = 14
					KEY_F4: frame = 15
					KEY_F5: frame = 16
					KEY_F6: frame = 17
					KEY_F7: frame = 18
					KEY_F8: frame = 19
					KEY_F9: frame = 20
					KEY_F10: frame = 21
					KEY_F11: frame = 22
					KEY_F12: frame = 23
					KEY_QUOTELEFT: frame = 24
					KEY_1: frame = 25
					KEY_2: frame = 26
					KEY_3: frame = 27
					KEY_4: frame = 28
					KEY_5: frame = 29
					KEY_6: frame = 30
					KEY_7: frame = 31
					KEY_8: frame = 32
					KEY_9: frame = 33
					KEY_0: frame = 34
					KEY_TAB: frame = 36
					KEY_Q: frame = 37
					KEY_W: frame = 38
					KEY_E: frame = 39
					KEY_R: frame = 40
					KEY_T: frame = 41
					KEY_Y: frame = 42
					KEY_U: frame = 43
					KEY_I: frame = 44
					KEY_O: frame = 45
					KEY_P: frame = 46
					KEY_CAPSLOCK: frame = 48
					KEY_A: frame = 49
					KEY_S: frame = 50
					KEY_D: frame = 51
					KEY_F: frame = 52
					KEY_G: frame = 53
					KEY_H: frame = 54
					KEY_J: frame = 55
					KEY_K: frame = 56
					KEY_L: frame = 57
					KEY_SHIFT: frame = 60
					KEY_Z: frame = 61
					KEY_X: frame = 62
					KEY_C: frame = 63
					KEY_V: frame = 64
					KEY_B: frame = 65
					KEY_N: frame = 66
					KEY_M: frame = 67
					KEY_CTRL: frame = 72
					KEY_ALT: frame = 73
					KEY_SPACE: frame = 74
					KEY_UP: frame = 75
					KEY_DOWN: frame = 76
					KEY_LEFT: frame = 77
					KEY_RIGHT: frame = 78
					KEY_ESCAPE: frame = 79
					KEY_ENTER: frame = 80
					_: continue
				return
			else:
				break
	frame = 0