extends Node2D

@onready var camera = $Camera
@onready var image_viewport = $ImageViewport
@onready var ui_container = $UI_Layer/UserInterfaceContainer
@onready var ui_control_fileopen = $UI_Layer/UserInterfaceContainer/OpenImageDialog
@onready var ui_control_filesave = $UI_Layer/UserInterfaceContainer/SaveImageDialog
var last_save_filepath = ""

func _ready():
	Globals.target_viewport = image_viewport

func _on_open_image_button_pressed():
	ui_control_fileopen.show()

func _on_open_image_dialog_file_selected(path):
	print("Load ", path)
	var img = Image.new()
	var err = img.load(path)
	if err == OK:
		image_viewport.set_original_image(img)
		image_viewport.update()
		camera.fit_image()
		last_save_filepath = path
	else:
		print("An error occured!")

func _on_save_image_button_pressed():
	if image_viewport.get_result() != null:
		ui_control_filesave.current_path = last_save_filepath
		ui_control_filesave.show()

func _on_save_image_dialog_file_selected(path):
	print("Export ", path)
	var err = image_viewport.get_result().save_png(path)
	if err != OK:
		print("An error occured!")
	else:
		last_save_filepath = path