extends Node2D

class_name Unit

### Marker
# For now the marker will be spawned and deleted by the unit.
# Later it will be handled by the main scene.
# Load marker scene.
var marker_scene = preload("res://Scenes/Unit/marker.tscn")
var marker

@onready var _readyToSelectMarker = $ReadyToSelectMarker
@onready var _selectedMarker = $SelectedMarker

var _selected = false
var _readyToSelect = false

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	marker = marker_scene.instantiate()
	marker.hide()
	
	_readyToSelectMarker.hide()
	_selectedMarker.hide()
	
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
	pass
	
func _input(event: InputEvent):
	if event.is_action_pressed("Select"):
		print_debug("Action is Select")
		
		# Can't select from myself since (global_)position is alway 0,0	
		print("Event position: ", event.position)
		print("My position is", position)
		print("My global_position is", global_position)
	
		if event.position == global_position:
			_setSelected(true)
			print_debug("Unit selected")
		
		# We combine it with the fact that it is already marked (@see _markUnit)
		if _readyToSelect: _selectUnit() 
		else: _deselectUnit()
	
	
	if event.is_action_pressed("SetMarker") and _selected:
		marker.global_position = event.position
		marker.show()
		print_debug("Setting marker")
		
func _getUnitPosition():
	return $AnimatedSprite2D.global_position
	
func _setSelected(selected: bool):
	_selected = selected
	
func _selectUnit():
	_setSelected(true)
	_selectedMarker.show()

func _deselectUnit():
	_setSelected(false)
	_selectedMarker.hide()

func _gets_selected(viewport: Node, event: InputEvent, shape_index: int):
	if event.is_action_pressed("Select") and event.position == position:
		_selectUnit()

func _markUnit():
	_readyToSelect = true
	_readyToSelectMarker.show()

func _unMarkUnit():
	_readyToSelect = false
	_readyToSelectMarker.hide()