extends Node2D

var hovered = false
var dragged = false
var drag_offset
export var arg_number = 0
export var command = "" setget set_command
var _first_argument = null
var _home_position = null


func _ready():
	set_process_unhandled_input(true)
	_home_position = position
	
func _process(delta):
	if dragged:
		var mousepos = get_viewport().get_mouse_position()
		position = mousepos - drag_offset

func _unhandled_input(event):
	if event is InputEventMouseButton:
		if event.button_index == BUTTON_LEFT and event.pressed and hovered:
			dragged = true
			game.dragged_object = self
			drag_offset = get_viewport().get_mouse_position() - global_position
			get_tree().set_input_as_handled()
			modulate.a = 0.5
		elif event.button_index == BUTTON_LEFT and !event.pressed and dragged:
			dragged = false
			game.dragged_object = null
			modulate.a = 1
			move_back()
	
			if arg_number == 0 and get_viewport().get_mouse_position().y < get_viewport().size.y/2 :
				$"../Terminal".send_command($Label.text)

func _mouse_entered():
	hovered = true

func _mouse_exited():
	hovered = false
	
func set_command(new_command):
	command = new_command
	$Label.text = self.command
	
func move_back():
	position = _home_position

func dropped_on(other):
	#print("I have been dropped on "+str(other.id))
	var full_command = ""
	match arg_number:
		1:
			full_command = $Label.text + " " + other.id
			$"../Terminal".send_command(full_command)
		2:
			if _first_argument:
				full_command = $Label.text + " " + _first_argument + " " + other.id
				$"../Terminal".send_command(full_command)
			else:
				_first_argument = other.id